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🦑 best free antivirus software programs for Windows 2020 UnderCode lastest Report from yesterday 31/1/20
t.me/UndercOdeTesting

1) Total AV Free Antivirus

2) BullGuard Free Antivirus

3) Panda Free Antivirus

4) Bitdefender Antivirus Free Edition

5) ZoneAlarm Free Antivirus

6) Avira Free Antivirus

7) AVG Free Antivirus

8) Kaspersky Free (updated)

9) Sophos Home Free

10) Avast Free Antivirus

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🦑 ALL Features Needed from a good antimalware or why we need it :
example on tghe first Av
t.me/UndercOdeTesting

> Phishing protection

>Disk cleanup and system startup acceleration

> Browser manager

> Safe website browsing extension for Chrome and Edge browsers

🦑 Recognized advantages :

> Fully compatible with Windows, Android and Mac devices

> Find and copy files remotely

> Very fast without affecting performance

> Detection accuracy of fishing samples reached 89%

🦑 Deficiencies :

> Lack of real-time protection against malicious programs
Occasionally false positives

> Additional features require upgrades or paid purchases

> Cannot set up weekly scans and does not provide the option of daily scans

🦑 Reasons to buy a paid version :

> Advanced protection against ransomware

> Extra features such as password manager, webcam protection,

> smartphone optimizer, remote firewall, etc.

> Provide 7X24 hours technical support service

> 30-day money back guarantee

@UndercOdeTesting
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🦑 End of android-5/6 (termux. net) support on 2020-01-01
t.me/UndercodeTesting

1) The latest development meeting it has been decided to drop android-5 support from 2020-01-01.
From that date there will no longer be any updates to the package repositories' android-5 branches.
An android-5 branch has also been created for termux-app, and the latest tagged version of the app (0.76) requires android 7.

2) Supporting the android-5 branches takes some time and effort from the maintainers. This time and effort would, arguably, be better spent making termux ready for android Q (and later). Some big changes are required to make termux usable for the latest android versions, as discussed in termux/termux-app#1072.

3) If you are using android 5 or android 6 on your device then the only way to continue to get updates after 2020-01-01 would be to upgrade to android 7 or newer (if possible).

4) they start first separated the repos into an android-5 branch and a master branch.

@UndercodeOfficial
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🦑 Expert opinion: software development ABC By UndercOde
t.me/UndercOdeTesting
PART 1


<STRONG> Interview with Trend Micro R & D Associate Gong Huazhong <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <? Xml: namespace prefix = o ns = \ "urn: schemas-microsoft- com: office: office \ "/> <o: p> </ o: p> </ SPAN> </ STRONG>
<P class = MsoNormal style = \" MARGIN: 0cm 0cm 0pt \ "> <SPAN lang = EN -US style = \ "mso-fareast-language: EN-US \"> <FONT size = 3> <STRONG> & nbsp; <o: p> </ o: p> </ STRONG> </ FONT> </ FONT> SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Song Dynasty; mso-fareast-language: ZH-CN; mso-ascii-font -family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> Introduction: When it comes to software development, everyone knows that this is not a simple task. Indeed, software The industry is a highly competitive and fast-moving industry. Modules are often revised due to market changes. Therefore, news about software vendors delaying product launches is heard, but this does not mean that delayed listing is normal. This kind of effort and standard, truly achieves "</ SPAN> <SPAN lang = EN-US style = \" mso-fareast-language: ZH-CN; mso-fareast-font-family: Songti \ "> Ship quality product on time </ SPAN> <SPAN style = \ "FONT-FAMILY: Song Ti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family : \ 'Times New Roman \' \ ">". </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> <
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ " FONT-FAMILY: Times New Roman; mso-fareast-language: EN-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> Because software companies have different business natures, the engineering required for product development is not the same. In the case of Trend Micro, it is a company that produces software products. After the product is developed and listed, customers decide whether to buy it. Therefore, the risk of software development is very Big. Some small software companies are "software projects" that receive customers. They only need to complete the project, and the risks are naturally small. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font -family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> It can be seen that for software companies whose main business is the production of software products, the larger the scale, The development risk is naturally relatively high. How to make a perfect software product that meets the needs of the market is the aspiration of all software vendors, but this involves many small and large links, including company policies, operating procedures, and engineer quality. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>

Written by UndercOde
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🦑 Expert opinion: software development ABC By UndercOde
t.me/UndercOdeTesting

PART 2

<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <B> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN; mso-fareast -font-family: Songti \ "> & nbsp; & nbsp; & nbsp; Perfect is empty </ SPAN> </ B> <B> <SPAN style = \" FONT-FAMILY: Songti; mso-fareast-language: EN-US ; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ ">, </ SPAN> </ B> <B> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN; mso-fareast-font-family: 宋体 \"> Simple is beauty </ SPAN> </ B> <B> <SPAN style = \ " FONT-FAMILY: Times New Roman; mso-fareast-language: EN-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> !! </ SPAN> <SPAN lang = EN-US>

<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Song Dynasty; mso-fareast-language: ZH-CN; mso-ascii-font -family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> Here is a simple discussion of the development principles. For example, if the product is not 100% perfect, will it always be changed? of course not! Take the birth of a baby as an example.

> If people can add a specific gene to produce a perfect baby when they want to conceive, then it is certain that this period will be far away. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font -family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> There are several concepts and practices in controlling software development risks. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Song Dynasty; mso-fareast-language: ZH-CN; mso-ascii-font -family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> One. <B> “Small” － </ B> If the product ’s </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN; mso-fareast-font-family: 宋体 \" > size </ SPAN> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font- family: \ 'Times New Roman \' \ "> Small, the complexity will be reduced a lot, so it is a good practice to cut large projects into small parts and then leave them to different engineers. For example, the first generation of </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN; mso-fareast-font-family: Times New Roman \"> ICQ </ SPAN> <SPAN style = \ "FONT-FAMILY: Song Ti; mso-fareast-language: ZH-CN; SPAN style = \ "FONT-FAMILY: Song Ti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \ '\ "> Designed and written by one or two people, and soon it was made. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P> SPAN style = \ "FONT-FAMILY: Song Ti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \ '\ "> Designed and written by one or two people, and soon it was made. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
Written by UndercOde
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🦑 Expert opinion: software development ABC By UndercOde
t.me/UndercOdeTesting

PART 3

<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font -family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> 二. <B> "</ B> </ SPAN> <B> <SPAN lang = EN-US style = \" mso-fareast-language: ZH-CN; mso-fareast-font-family: Songti \ "> Simple is beauty ”</ SPAN> </ B> <SPAN style = \" FONT-FAMILY: Song Ti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso- hansi-font-family: \ 'Times New Roman \' \ ">-The larger the company, the lower the productivity, because some additional costs need to be added, including the control of schedule, the quality of engineers, etc. (</ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US; mso-fareast-font-family: Times New Roman \"> policy </ SPAN> <SPAN style = \ "FONT -FAMILY: Times New Roman; / SPAN> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ ">) first, so that you can better grasp the risks, this part involves the scope of" operation management ". </ SPAN> </ FONT> </ P> / SPAN> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ ">) first, so that you can better grasp the risks, this part involves the scope of" operation management ". </ SPAN> </ FONT> </ P>
(Program) engineers also need manpower input such as design specifications, inspection procedures, and test procedures. Compared with the initial situation, the additional cost is increased by an equal number of stages. Generally speaking, the system management is more needed, but on the other hand, the system may also form bureaucracy and stifle creativity, and more documents may not make the quality better. The solution is from the perspective of users. do. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>

Written by UndercOde
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▁ ▂ ▄ ｕ𝕟𝔻Ⓔ𝐫Ć𝔬𝓓ⓔ ▄ ▂ ▁

🦑 Expert opinion: software development ABC By UndercOde
t.me/UndercOdeTesting

PART 4

<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ " FONT-FAMILY: Times New Roman; mso-fareast-language: EN-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> The quality of software products actually depends on the needs of users. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Song Dynasty; mso-fareast-language: ZH-CN; mso-ascii-font -family:
SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN; mso-fareast-font-family: Times New Roman \">) </ SPAN> </ FONT> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Song Ti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> Is quite important. The difference between software and hardware is that as long as it takes more time for software development, few functions cannot be achieved, but its difficulty lies in "how to choose". </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P> SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN; mso-fareast-font-family: Songti \">) </ SPAN> </ FONT> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: EN-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> Is quite important. The difference between software and hardware is that as long as it takes more time for software development, few functions cannot be achieved, but its difficulty lies in "how to choose". </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P> Is quite important. The difference between software and hardware is that as long as it takes more time for software development, few functions cannot be achieved, but its difficulty lies in "how to choose". </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P> Is quite important. The difference between software and hardware is that as long as it takes more time for software development, few functions cannot be achieved, but its difficulty lies in "how to choose". </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <B> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: EN-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> & nbsp; & nbsp; Creative freedom-the key to the survival of software companies </ SPAN> </ B> <B> <SPAN lang = EN-US style = \" mso-fareast-language: EN-US \ "> <o: p> </ o: p> </ SPAN> </ B> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <B> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \ "> <FONT size = 3> & nbsp; <o: p> </ o: p> </ FONT> </ SPAN> </ B> </ P>

▁ ▂ ▄ ｕ𝕟𝔻Ⓔ𝐫Ć𝔬𝓓ⓔ ▄ ▂ ▁

<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Song Dynasty; mso-fareast-language: ZH-CN; mso-ascii-font -family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> <B>. Understand the needs of customers, and change the way to meet their needs (market) </ B>-For example, if the customer does not dare to demand because of some factors, you can try another way to present it, as if customers like plasma TV, but The price of plasma TV is too expensive to be in demand. R & D personnel can try to study the quality of the TV to be as good as the plasma TV. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \ '\ "> Since the customer needs of high-tech products are not easy to know, how to get inspiration for product development? Many engineers start with their own problems. </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: EN-US \"> <o: p> </ o: p> </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN \"> <FONT size = 3> & nbsp; <o : p> </ o: p> </ FONT> </ SPAN> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt \"> <FONT size = 3> <SPAN style = \ "FONT-FAMILY: Times New Roman; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \ '\ "> In Trend Micro, in addition to creative ideas for large architectures </ SPAN> <SPAN lang = EN-US style = \" mso-fareast-language: ZH-CN; mso-fareast-font-family : Songti \ "> CIO </ SPAN> <SPAN style = \" FONT-FAMILY: Songti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso- hansi-font-family: \ 'Times New Roman \' \ "> (Technical Chief) or advanced research and development director, the size underneath </ SPAN> <SPAN lang = EN-US style = \" mso-fareast-language : ZH-CN; mso-fareast-font-family: Times New Roman \ "> idea </ SPAN> <SPAN style = \" FONT-FAMILY: Times New Roman;mso-fareast-language: EN-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \' \ "> Those are thought by engineers , Good engineers will think for themselves </ SPAN> <SPAN lang = EN-US style = \ "mso-fareast-language: ZH-CN; mso-fareast-font-family: Songti \"> solution </ SPAN> < SPAN style = \ "FONT-FAMILY: Song Ti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso-hansi-font-family: \ 'Times New Roman \ '\ "> (Solution), bad engineers become </ SPAN> <SPAN lang = EN-US style = \" mso-fareast-language: ZH-CN; mso-fareast-font-family : Songti \ "> coding machine </ SPAN> <SPAN style = \" FONT-FAMILY: Songti; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \'; mso -hansi-font-family: \ 'Times New Roman \' \ "> (programming machine). </ SPAN> </ FONT> </ P>
<P class = MsoNormal style = \ "MARGIN: 0cm 0cm 0pt \"> <SPAN style = \ "FONT-FAMILY: Song Dynasty; mso-fareast-language: ZH-CN; mso-ascii-font-family: \ 'Times New Roman \ '; mso-hansi-font-family: \' Times New Roman \ '\ "> <FONT size = 3> </ FONT> </ SPAN> </ P>

▁ ▂ ▄ ｕ𝕟𝔻Ⓔ𝐫Ć𝔬𝓓ⓔ ▄ ▂ ▁

🦑 Install Oracle under RedFlag-linux any Pc Example by UndercOde
Part 1 - full
t.me/UndercOdeTesting

🦑 𝕃𝔼𝕋𝕊 𝕊𝕋𝔸ℝ𝕋 :

1) machine configuration

Example on old Pc CPU: Intel Pentium III 668203 khz

memory: 128M

operating system: Redflag-Server2.0 (fully installed)

SWAP area: 256M

2) install the required software
Oracle8161_tar.gz

3) Creating the oracle account

4) log in as the root account, open a terminal window, create oracle account

[root @ dbs / root] useradd oracle

[root @ dbs / root] passwd oracle (oralce account settings Password) The

system automatically creates the / home / oracle directory, the owner is oracle. My Oracle ready to install

in this directory.


4) Unzip oracle8161_tar.gz and

log in as root and execute:

[root @ dbs / root] cd / backup

[root @ dbs / backup] tar zxvf oracle8161_tar.gz

5) Generate the Oralce8iR2 directory in the / backup / directory, which contains the unpack Post file

The user environment setting oracle

6) the oracle account login, open terminal window, using the text editor to open

/home/oracle/.bash_profile finally add

the environment variable is set as the line:

ORACLE_HOME = / Home / oracle; Export ORACLE_HOME

the LD_LIBRARY_PATH = / Home / Oracle / lib; Export the LD_LIBRARY_PATH

the ORACLE_BASE = / Home / Oracle; Export the ORACLE_BASE

the ORACLE_SID = ORCL; Export the ORACLE_SID

the ORA_NLS33 = / Home / Oracle / ocommon / NLS / ADMIN / Data; Export the ORA_NLS33

the NLS_LANG = american_america.zhs16cgb231280; Export the NLS_LANG

7) the Log OUT, Log in again with the oracle account and type the env command to view the environment variables you just set.

[oracle @ dbs oracle] env

Written by UndercOde
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🦑 Install Oracle under RedFlag-linux any Pc Example by UndercOde
Part 2
t.me/UndercOdeTesting

> create the oracle data file directory

I want the data files in the / home / oracle / data directory, so

　[oracle @ dbs oracle] mkdir the Data

🦑 install the Oracle 8i database software

(1) oracle account login, enter Xwindows, open the terminal window

　(2) [oracle @ dbs oracle] cd / backup / Oracle8iR2

　(3) Continue installation in the oracle user window

　　　[oracle @ dbs Oralcle8iR2] ./runInstaller

10) On the Java-based Oracle installer interface that appears, click Next.

　(4) On the File Locations screen, check that the Destination Path is / home / oracle, and click Next.

　(5) In the Unix Group Name window, type "" oracle "", and click Next;

　(6) A window will pop up, asking for Run /home/oracle/orainstRoot.sh as root

　(7) Switch to the terminal window, and switch to root as follows:

　　　[root @ dbs / root] cd / home / oracle

　　　[root @ dbs oracle] ./ orainstRoot.sh

　(8) Return to the window that just popped up, and click Retry.

　(9) On the "Available products" window that appears, select "Oracle8I enterprise edition 8.1.6.1.0" and click Next.

　(10) Select Typical on the next screen and click Next.

　(11) On the Privileged Operating System Groups interface, click Next.

　(12) prompted to enter the global database name, what they like what you write, I wrote a wap,

　 verify ORACLE_SID is ORCL, click the Next

　(13) prompts for db files localtion, enter / home / oracle / data, click the Next

　(14 ) On the final Summary window, click Install.

　(15) The installation is now officially started, and it will be completed in less than 30 minutes.

　(16) After the file is copied and connected, a window asking to run root.sh will pop up and switch to root. User window,

　　　　[root @ dbs oracle] ./ root.sh

　　　　When you ask local bin directory, press Enter

　(17) to return to the window asking to run root.sh, click OK

Written by UndercOde
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🦑 Install Oracle under RedFlag-linux any Pc Example by UndercOde
Part 3
t.me/UndercOdeTesting


(18) Oracle Net8 Configuration and Oracle Database Configuration Assistants Start,

install Net8 and create the database. This step took another 20 minutes or so.

(19) After the Oracle Database Configuration Assistants, in the pop-up window to create a complete database

on the port Click the OK

(20) in the End of Installation screen, click Exit, in the pop Do you reallywant to exit?

Click yes on the window

🦑 Now all Oralce 8i Enterprise is installed! You can use the Oracle database management tools svrmgrl,

sql * plus to test the installed database!


Written by UndercOde
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🦑 HOW TO TEST AND INSTALLED ORACLE ON LINUX :
Twitter.com/UndercOdeTC

🦑 LET S START THE TEST :

[oracle @ dbs oracle] svrmgrl

Oracle Server Manager Release V..-Production

Copyright (c) 1997, 1999, Oracle Corporation. All Rights Reserved.

Oracle8i Enterprise Edition Release V..-Production

With the Partitioning option

JServer Release V...-Production

SVRMGR> connect internal

Connected.

SVRMGR> shutdown

Database closed.

Database dismounted.

ORACLE instance shut down.

SVRMGR> startup

ORACLE instance started.

Total System Global Area 56012784 bytes

Fixed Size 69616 bytes

Variable Size 38993920 bytes

Database Buffers 16777216 bytes

Redo Buffers 172032 bytes

Database mounted.

Database opened.

SVRMGR> quit

Server Manager complete


🦑SQL-PLUS

[oracle@dbs oracle]$ sqlplus

SQL*Plus: Release - Production on Sun Apr 15 09:20:12 2019

(c) Copyright 1999 Oracle Corporation. All rights reserved.

Enter user-name: scott

Enter password: tiger

Connected to:

Oracle8i Enterprise Edition Release - Production

With the Partitioning option

JServer Release V.. - Production

SQL> select * from emp

There should be a bunch of data, there are 14 entries, it seems okay.

SQL> quit

WELL DONE THATS ALL !

Written by UndercOde
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🦑2019 Small tool
> An install and upgrade script for the Hack typeface on the Linux platform
The hack-linux-installer.sh shell script installs fonts from the Hack typeface repository at a requested release version number on the Linux platform. This script can be used for initial font installs and upgrades to new versions (or downgrades if ever necessary).

🦑𝕀ℕ𝕊𝕋𝔸𝕃𝕃𝕀𝕊𝔸𝕋𝕀𝕆ℕ & ℝ𝕌ℕ:

1) curl -L -O https://raw.githubusercontent.com/source-foundry/hack-linux-installer/master/hack-linux-installer.sh

2) chmod +x hack-linux-installer.sh

3) ./hack-linux-installer.sh [VERSION]
Define the version number with the format vX.XXX. You must use a lowercase v followed by the version number string that is used in the repository releases.

For example, install Hack v3.003 with the following command:

4) ./hack-linux-installer.sh v3.003
Alternatively, you can use the installer to install the latest version like so:

5) ./hack-linux-installer.sh latest


🦑 FEATURES :

> The release archive is pulled from the repository release

> The release archive is unpacked

> The fonts are installed on the path $HOME/.local/share/fonts

> The font cache is cleared and regenerated

> fc-list | grep "Hack" is executed to display the installed font paths. You should see expected install filepaths with this command.

@UndercOdeTesting
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🦑 Shell Script For Attacking Wireless Connections Using Built-In Kali Tools. Supports All Securities (WEP, WPS, WPA, WPA2)
lastest update 2019
T.me/UnderCodeTesting

🦑𝕀ℕ𝕊𝕋𝔸𝕃𝕃𝕀𝕊𝔸𝕋𝕀𝕆ℕ & ℝ𝕌ℕ:

1) git clone https://github.com/esc0rtd3w/wifi-hacker

2) cd wifi-hacker

3) chmod 777 wifi-hacker.sh

4) ./wifi-hacker.sh

🦑Features :

> wifi bruteforce

> hack wep

> hack wpa

> hack wpa2

> hack wps

🦑Tested on

> debian

> kali

> parrot

@UndercOdeOfficial
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🦑 Kernel Technology-Tip: Upgrading Applications from Source
t.me/UndercOdeTesting

If compiled and installed your first application from source, and it works great. congratulations! But now you have a new version of the source code and want to upgrade, and hope everything goes smoothly. What effective measures can be taken to avoid mistakes? In this tip, I will provide several such measures.

Upgrading can also be simple:

🦑 𝕃𝔼𝕋𝕊 𝕊𝕋𝔸ℝ𝕋 :

1) After reading the Changelog and
downloading the source code, first familiarize yourself with the new software changes-these changes are usually listed in the ChangeLog or README file in the source code's home directory. You may find that the configuration file settings have changed slightly, or some new features have been added. It's best to clarify these changes in the source code's documentation, rather than waiting for errors to be remedied later. Not doing this is absolutely wrong-and since you took the time to install a new version of this package, wouldn't it be good to know what new features it includes or what bugs it fixes?

2) Upgrading Critical Applications
If you are upgrading an application that affects many users, such as Apache on a busy web server, it's worth the extra care. If possible, first install the new version of the source code on a non-production machine, and note each step performed to get the new version up and running. In this way, even if you encounter problems during the upgrade process, it will not cause any harm. written @UndercOdeTesting
And when you're ready to upgrade your production machine, you already have a detailed list of steps to perform-which can reduce costly downtime.

3) Also, if you are upgrading a critical application, upgrading during off-peak hours is always the best choice.

4) Configured in the same way
When upgrading an application, one of the big mistakes people tend to make is specifying different, incompatible options on the "./configure" line, or uncommenting different lines in the Makefile configuration. If you want to perform a simple upgrade, make sure that the configuration of the new version of the software is exactly the same as the configuration of the current version.

5) If the current version looks for its configuration file in the / etc directory, it is better to configure the new version the same way. Don't be hasty; if you pass different options on the "./configure" command line, the result is most likely that the new version has significantly different features, is installed in the wrong directory tree, or looks for it in the wrong location Configuration file or data file. If you forget the configuration options or Makefile definitions you used, be sure to check them before compiling and installing the new version. For the upgrade to go smoothly, you will want to get these settings from the beginning.

6) Back up the original configuration file before installing.
For many packages, the real challenge is not in the compilation and installation phase, but in the process of setting up the application to run properly after you type "make install". This usually takes hours to edit the application's configuration file, which is usually in the / etc directory with the usual ".conf" suffix.

7) When you type "make install" When installing a new version of a package, most Makefiles do not overwrite existing configuration files on disk-but you should be grateful for this rather than regret it for security reasons. If you are not quite sure, be sure to back up your previous configuration files! Some configuration files may take a few days to rebuild, depending on the package. If the configuration file contains encrypted passwords, rebuilding can be time consuming or simply impossible.

8) If you are planning a major upgrade of your linux system, now may be a good time to perform a system-wide backup. This is especially important if you are preparing to upgrade key system libraries or tools that are the basis for many packages to work properly. A system-wide backup is a great idea in itself, and I hope that you back up your system from time to time.

9) Have the older source code at hand
I have no intention of discouraging you from upgrading your favorite program to the latest version-but the new version may not work. "./configure" or "make" may crash. To make matters worse, everything including "make install" passed smoothly, and no trouble occurred until the program was actually run. The buggy source code distribution does exist, which is why it is a good idea to keep the older source code (and any installation steps) on hand in case the newer source code is not working properly.

Written by UndercOde
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🦑Now Test The Kernel Technology after Upgrading Applications from Source
t.me/UndercOdeTesting

🦑 𝕃𝔼𝕋𝕊 𝕊𝕋𝔸ℝ𝕋 :

1) Compiling and installing is one thing, and making sure that the new software works is another.

2) You must be sure that you are not installing 500 KB of junk in the root partition.

3) The new version of the configuration file may require minor modifications, and may even require significant modifications. If you are upgrading the daemon, make sure your configuration script successfully starts this new version when you restart. You absolutely don't want to find any problems when you restart the server after two weeks (and you have forgotten the program's configuration details).

4) You can follow the recommendations in this article, but if you are not testing your installation, you are missing the most important steps.

5) You should now have enough knowledge to upgrade your favorite applications

Written by UndrcOde
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🦑 Set up a large-capacity Web-based Email system FULL
by UndercOde
instagram.com/UndercOdeTestingCompany
PART 1

🦑 𝕃𝔼𝕋𝕊 𝕊𝕋𝔸ℝ𝕋 :

> An Email system can be divided into server-side and client-side. The Email system of the Web interface puts the Email client on the Web server. Therefore, what the Email system needs to implement is an Email client of the Web interface. However, because this Email system requires a large number of users, there are also specific requirements for the Email server.

◆ operating system and user databases

1) by providing high-capacity Email System requirements for the operating system and the database is very high, therefore, select the appropriate operating system and the database is the most basic question.

2) Because of the high stability and performance required to provide web and email services, unix is generally used as the server operating system. For example, hotmail uses freebsd and solaris, and domestic sites such as 163 also use the bsd series. However, Unix's standard email system is also unsuitable for such large capacity services. Some Unix systems, such as the current version of Linux, have only 16-bit user IDs, so the number of users can only be up to 64k, even if the Unix system itself supports 32-bit user IDs. Considering performance factors, the number of users supported by a single server

3) Do not exceed 100,000. In order to support scalability for more users, multiple servers are generally used to provide services at the same time. Although standard Unix users can still be used as email users at this time, non-Unix systems are generally used in consideration of security,
performance, and manageability

4) Users come as email users. The storage of user data is usually in the form of a database that supports network access. Commonly used are ldap, standard databases, and user databases implemented by the email system itself. Among them, ldap is the standard for providing directory services, so it should be the best choice. Its commonly used open source implementation is openldap; while the standard database is easy to implement and highly scalable, and the most commonly used on the Internet is mysql. ; In addition, there are other ways to achieve.

Written by UndercOde
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🦑 Set up a large-capacity Web-based Email system FULL
by UndercOde
instagram.com/UndercOdeTestingCompany
PART 2

🦑 𝕃𝔼𝕋𝕊 𝕊𝕋𝔸ℝ𝕋 :


◆ save messages

1) for bulk Email system, the most critical technical issue is how to handle mail storage, the manner in which to improve storage efficiency, we will determine the success of Email system or not.

2) Due to the large number of users, how to save users' emails is a very important issue. Traditional Unix uses a single directory to store mail for all users, which greatly reduces the performance of the file system when there are a large number of users. Only by using multi-level directories and a limited number of files in each directory, can we reduce the system consumption when opening files, or no longer use simple files to save emails, but use a certain form of packaging. The database is completely used to save emails. @UndercOdeTesting Because users' email operations are mostly file operations, and the size changes greatly, it will cause a large waste of performance and storage space.

3) Due to the huge number of users and the need to be accessed by multiple servers at the same time, a server or server cluster with a large storage space must be used for storage. The storage space is shared through Fibre Channel or the network file system NFS, so that each user's mail storage The path is consistent for each server. Fibre Channel is a very expensive solution. It is more common to use NFS. You can use a dedicated NFS server, such as NetApp, or a PC Unix server with RAID capabilities.

4) When using NFS shared storage space, you must pay attention to a very important issue: Because NFS lacks a file locking mechanism, when using the traditional user mail storage format mailbox, all mails are stored in the same file, so mail is sent.

5) The operation must be locked to ensure that there are no access conflicts, which makes it unsuitable for NFS storage. In order to solve this problem, qmail proposes the Maildir storage method. Each mail is stored as a separate file in the user's personal mail directory, which avoids locking. Therefore, common free mail servers generally use the Maildir method to store user mail.

6) If you do not plan to use a shared file system to store user mail, and you want to allow each server to access only user mail on its own hard disk storage space, then both the Email server and the client need to be customized so that they can pass the user name Come to find the real server to which the user belongs, and hand over the access task to this server to complete.

7) The disadvantages of this method are that in addition to the large changes required and the complex system structure, the server is divided by users, which is not conducive to load sharing. Its advantage is also because it does not access other servers through the network, so it can use any mail storage format, including the use of the powerful Cyrus system to store mail and provide services.

Written by UndercOde
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▁ ▂ ▄ ｕ𝕟𝔻Ⓔ𝐫Ć𝔬𝓓ⓔ ▄ ▂ ▁

🦑 Set up a large-capacity Web-based Email system FULL
by UndercOde
instagram.com/UndercOdeTestingCompany
PART 2

🦑 𝕃𝔼𝕋𝕊 𝕊𝕋𝔸ℝ𝕋 :


◆ save messages

1) for bulk Email system, the most critical technical issue is how to handle mail storage, the manner in which to improve storage efficiency, we will determine the success of Email system or not.

2) Due to the large number of users, how to save users' emails is a very important issue. Traditional Unix uses a single directory to store mail for all users, which greatly reduces the performance of the file system when there are a large number of users. Only by using multi-level directories and a limited number of files in each directory, can we reduce the system consumption when opening files, or no longer use simple files to save emails, but use a certain form of packaging. The database is completely used to save emails. @UndercOdeTesting Because users' email operations are mostly file operations, and the size changes greatly, it will cause a large waste of performance and storage space.

3) Due to the huge number of users and the need to be accessed by multiple servers at the same time, a server or server cluster with a large storage space must be used for storage. The storage space is shared through Fibre Channel or the network file system NFS, so that each user's mail storage The path is consistent for each server. Fibre Channel is a very expensive solution. It is more common to use NFS. You can use a dedicated NFS server, such as NetApp, or a PC Unix server with RAID capabilities.

4) When using NFS shared storage space, you must pay attention to a very important issue: Because NFS lacks a file locking mechanism, when using the traditional user mail storage format mailbox, all mails are stored in the same file, so mail is sent.

5) The operation must be locked to ensure that there are no access conflicts, which makes it unsuitable for NFS storage. In order to solve this problem, qmail proposes the Maildir storage method. Each mail is stored as a separate file in the user's personal mail directory, which avoids locking. Therefore, common free mail servers generally use the Maildir method to store user mail.

6) If you do not plan to use a shared file system to store user mail, and you want to allow each server to access only user mail on its own hard disk storage space, then both the Email server and the client need to be customized so that they can pass the user name Come to find the real server to which the user belongs, and hand over the access task to this server to complete.

7) The disadvantages of this method are that in addition to the large changes required and the complex system structure, the server is divided by users, which is not conducive to load sharing. Its advantage is also because it does not access other servers through the network, so it can use any mail storage format, including the use of the powerful Cyrus system to store mail and provide services.

Written by UndercOde
▁ ▂ ▄ ｕ𝕟𝔻Ⓔ𝐫Ć𝔬𝓓ⓔ ▄ ▂ ▁