UNDERCODE SECURITY

5. Use apt-fast instead of apt-get for a speedy update:
apt-fast is a shell script wrapper for “apt-get” that improves updated and package download speed by downloading packages from multiple connections simultaneously. If you frequently use terminal and apt-get to install and update the packages, you may want to give apt-fast a try. Install apt-fast via official PPA using the following commands:

sudo add-apt-repository ppa:apt-fast/stable
sudo apt-get update
sudo apt-get install apt-fast
6. Remove language related ign from apt-get update:
Have you ever noticed the output of sudo apt-get update? There are three kinds of lines in it, hit, ign and get. You can read their meaning here. If you look at IGN lines, you will find that most of them are related to language translation. If you use all the applications, packages in English, there is absolutely no need for a translation of package database from English to English.

If you suppress this language related updates from apt-get, it will slightly increase the apt-get update speed. To do that, open the following file:

sudo gedit /etc/apt/apt.conf.d/00aptitude
And add the following line at the end of this file:

Acquire::Languages "none";
speed up apt get update in Ubuntu
7. Reduce overheating:
Overheating is a common problem in computers these days. An overheated computer runs quite slow. It takes ages to open a program when your CPU fan is running like Usain Bolt. There are two tools which you can use to reduce overheating and thus get a better system performance in Ubuntu, TLP and CPUFREQ.

To install and use TLP, use the following commands in a terminal:

sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp tlp-rdw
sudo tlp start
You don’t need to do anything after installing TLP. It works in the background.

To install CPUFREQ indicator use the following command:

sudo apt-get install indicator-cpufreq
Restart your computer and use the Powersave mode in it:

CPUFREQ Indicator Applet
8. Tweak LibreOffice to make it faster:
If you are a frequent user of office product, then you may want to tweak the default LibreOffice a bit to make it faster. You will be tweaking memory option here. Open LibreOffice and go to Tools->Options. In there, choose Memory from the left sidebar and enable Systray Quickstarter along with increasing memory allocation.

Improve Libre Office performance
You can read more about how to speed up LibreOffice in detail.

9. Use a lightweight desktop environment (if you can)
If you chose to install the default Unity of GNOME desktop environment, you may choose to opt for a lightweight desktop environment like Xfce or LXDE.

These desktop environments use less RAM and consume less CPU. They also come with their own set of lightweight applications that further helps in running Ubuntu faster. You can refer to this detailed guide to learn how to install Xfce on Ubuntu.

Of course, the desktop might not look as modern as Unity or GNOME. That’s a compromise you have to make.

10. Use lighter alternatives for different applications:
This is more of a suggestion and liking. Some of the default or popular applications are resource heavy and may not be suitable for a low-end computer. What you can do is to use some alternates to these applications. For example, use AppGrid instead of Ubuntu Software Center. Use Gdebi to install packages. Use AbiWord instead of LibreOffice Writer etc.

That concludes the collection of tips to make Ubuntu 18.04, 16.04 and other versions faster. I am sure these tips would provide overall a better system performance.

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