kubectl get nodes --output=jsonpath='{range .items[*]}{.metadata.name}{"\t"}{range .status.conditions[*]}{.type}={.status}; {end}{"\n"}{end}'Imagine you're a detective with a magnifying glass, but instead of fingerprints, you're looking at the health of your Kubernetes nodes! This command is like your trusty magnifying glass, giving you the scoop on everything from Memory Pressure to the mysterious case of the Network Unavailable.
So, put on your detective hat, and let's keep those Kubernetes clusters as healthy as a fresh salad!
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Jenkins is a popular automation server that can be used to automate the CI/CD pipeline. In this post we will learn how to use Jenkins to automate the following steps:
Jenkins can be used to automate the CI/CD pipeline for any type of application.
Here are some of the benefits of using Jenkins for CI/CD:
There are many different ways to create a CI/CD pipeline. One popular approach is to use a tool like Jenkins or CircleCI. These tools can help to automate the steps involved in building, testing, and deploying software applications.
Overall, Jenkins is a powerful tool that can help businesses to improve the speed, quality, and reliability of their software development process. By automating the build, test, and deployment process, Jenkins can help to free up developers to focus on more creative and strategic work.
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End to End K8s notes .pdf
31.7 MB
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Kubernetes.pdf
8.3 MB
☸️ 𝐊𝐮𝐛𝐞𝐫𝐧𝐞𝐭𝐞𝐬 (𝐊8𝐬) : 𝐌𝐚𝐬𝐭𝐞𝐫𝐢𝐧𝐠 𝐂𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫 𝐎𝐫𝐜𝐡𝐞𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 𝐟𝐨𝐫 𝐒𝐞𝐚𝐦𝐥𝐞𝐬𝐬 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭𝐬 🌐
Kubernetes, often referred to as K8s, is a game-changer in the world of containerized applications.
🔍 𝐊𝐞𝐲 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬 :
✅ 𝐎𝐫𝐜𝐡𝐞𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 : Seamlessly manage and scale containerized applications.
✅ 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 : Automate deployment, scaling, and operations for enhanced efficiency.
✅ 𝐅𝐥𝐞𝐱𝐢𝐛𝐢𝐥𝐢𝐭𝐲 : Run containers across various environments, be it on-premises, cloud, or hybrid.
✅ 𝐒𝐞𝐥𝐟-𝐡𝐞𝐚𝐥𝐢𝐧𝐠 : Auto-detect and replace failed containers, ensuring high availability.
✅ 𝐃𝐞𝐜𝐥𝐚𝐫𝐚𝐭𝐢𝐯𝐞 𝐂𝐨𝐧𝐟𝐢𝐠𝐮𝐫𝐚𝐭𝐢𝐨𝐧 : Describe the desired state, and K8s takes care of the rest.
💡 𝐔𝐬𝐞 𝐂𝐚𝐬𝐞𝐬 :
🔢 𝐌𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 : Perfect for deploying, managing, and scaling microservices.
🔢 𝐂𝐨𝐧𝐭𝐢𝐧𝐮𝐨𝐮𝐬 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 : Streamline and automate your CD pipeline for faster releases.
🔢 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 : Efficiently utilize resources, reducing infrastructure costs.
🔢 𝐒𝐜𝐚𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲 : Seamlessly scale applications based on demand, ensuring optimal performance.
🔢 𝐌𝐮𝐥𝐭𝐢-𝐂𝐥𝐨𝐮𝐝 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭𝐬 : Run applications consistently across different cloud providers.
For an in-depth exploration of #kubernetes check out the document on the subject.
𝐃𝐢𝐬𝐜𝐥𝐚𝐢𝐦𝐞𝐫 : This document is intended solely for sharing tips and knowledge with fellow LinkedIn users. It is not intended for any copyright or commercial purposes. Let's learn and grow together! 💼🚀
🎄 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
Kubernetes, often referred to as K8s, is a game-changer in the world of containerized applications.
For an in-depth exploration of #kubernetes check out the document on the subject.
𝐃𝐢𝐬𝐜𝐥𝐚𝐢𝐦𝐞𝐫 : This document is intended solely for sharing tips and knowledge with fellow LinkedIn users. It is not intended for any copyright or commercial purposes. Let's learn and grow together! 💼🚀
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DevOps project.pdf
14.1 MB
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This
kubectl command provides a snapshot of the network policies affecting a particular podkubectl get networkpolicy --all-namespaces -o custom-columns='NAMESPACE:.metadata.namespace,NAME:.metadata.name,POD-SELECTOR:.spec.podSelector,INGRESS:.spec.ingress[*].from,EGRESS:.spec.egress[*].to'
This command lists all network policies across all namespaces in a custom column format. It’s useful for understanding how network traffic is controlled and which policies are applied to specific pods, aiding in both security audits and troubleshooting network issues.
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https://harshhaa.hashnode.dev/docker-for-the-absolute-beginner
Follow🍩 Like 👍 Share 👍 Comment Your thoughts 💬
🌟 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
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1704166480229.pdf
248.1 KB
🚀 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻! 📚✨
Hey Devops People,
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗢𝘃𝗲𝗿𝘃𝗶𝗲𝘄
· 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 𝗢𝗳 𝗔𝗻𝘀𝗶𝗯𝗹𝗲
· 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗡𝗼𝗱𝗲 & 𝗠𝗮𝗻𝗮𝗴𝗲𝗱 𝗡𝗼𝗱𝗲 𝗪𝗶𝘁𝗵 𝗘𝘅𝗮𝗺𝗽𝗹𝗲𝘀
· 𝗦𝗲𝘁𝘁𝗶𝗻𝗴 𝘂𝗽 𝗔𝗻𝘀𝗶𝗯𝗹𝗲
· 𝗦𝗲𝘁𝘁𝗶𝗻𝗴 𝗨𝗽 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝘆 𝗳𝗶𝗹𝗲
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗠𝗼𝗱𝘂𝗹𝗲𝘀 𝘄𝗶𝘁𝗵 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗣𝗹𝗮𝘆𝗯𝗼𝗼𝗸𝘀 𝗶𝗻 𝗱𝗲𝘁𝗮𝗶𝗹 𝘄𝗶𝘁𝗵 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗣𝗹𝗮𝘆𝗯𝗼𝗼𝗸 𝗥𝗲𝗮𝗹𝘁𝗶𝗺𝗲 𝗘𝘅𝗮𝗺𝗽𝗹𝗲
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗘𝗿𝗿𝗼𝗿𝘀 & 𝗧𝗿𝗼𝘂𝗯𝗹𝗲𝘀𝗵𝗼𝗼𝘁𝗶𝗻𝗴
✉️ 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
Hey Devops People,
Here is Ansible notes covering the most important topics.
This Doc covered the below mentioned topics in Notes.
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗢𝘃𝗲𝗿𝘃𝗶𝗲𝘄
· 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 𝗢𝗳 𝗔𝗻𝘀𝗶𝗯𝗹𝗲
· 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗡𝗼𝗱𝗲 & 𝗠𝗮𝗻𝗮𝗴𝗲𝗱 𝗡𝗼𝗱𝗲 𝗪𝗶𝘁𝗵 𝗘𝘅𝗮𝗺𝗽𝗹𝗲𝘀
· 𝗦𝗲𝘁𝘁𝗶𝗻𝗴 𝘂𝗽 𝗔𝗻𝘀𝗶𝗯𝗹𝗲
· 𝗦𝗲𝘁𝘁𝗶𝗻𝗴 𝗨𝗽 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝘆 𝗳𝗶𝗹𝗲
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗠𝗼𝗱𝘂𝗹𝗲𝘀 𝘄𝗶𝘁𝗵 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗣𝗹𝗮𝘆𝗯𝗼𝗼𝗸𝘀 𝗶𝗻 𝗱𝗲𝘁𝗮𝗶𝗹 𝘄𝗶𝘁𝗵 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗣𝗹𝗮𝘆𝗯𝗼𝗼𝗸 𝗥𝗲𝗮𝗹𝘁𝗶𝗺𝗲 𝗘𝘅𝗮𝗺𝗽𝗹𝗲
· 𝗔𝗻𝘀𝗶𝗯𝗹𝗲 𝗘𝗿𝗿𝗼𝗿𝘀 & 𝗧𝗿𝗼𝘂𝗯𝗹𝗲𝘀𝗵𝗼𝗼𝘁𝗶𝗻𝗴
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Hello Everyone 👋 ,
For those considering a switch to DevOps, here are some basic tips to help you get started:
🔢 . Familiarize Yourself with DevOps Tools:
Understand the purpose of different DevOps tools such as Jenkins, Ansible, Docker, Kubernetes, Git, and more. Each tool serves a specific function in the DevOps pipeline.
🔢 . Grasp the DevOps Workflow:
Gain a solid understanding of the DevOps lifecycle, from development and testing to deployment and monitoring. Know the roles and responsibilities at each stage.
🔢 . Scripting Skills are Crucial:
Command at least one scripting language, like Bash or Python. While you don't need to be a hardcore developer, scripting is vital for automation tasks.
🔢 . Adaptability is Key:
DevOps is a dynamic field, and tasks can vary widely. Be ready to adapt to new challenges regularly. It's not uncommon to face different issues deploying the same code in different environments, so a problem-solving mindset is crucial.
🔢 . Basic Networking Knowledge:
Understand fundamental networking concepts. DevOps often involves working with various systems and networks, so a basic understanding will be beneficial.
🔢 . Proficiency in a Cloud Platform:
Be proficient in at least one cloud platform (e.g., AWS, Azure, GCP). Cloud services are integral to modern DevOps practices, and knowing your way around a cloud environment is essential.
🔢 . Focus on Proficiency with One Tool Initially:
DevOps encompasses a variety of tools that may serve similar purposes. Instead of trying to learn multiple tools for the same task right away, focus on mastering one tool first.Start by learning the basics and becoming proficient in one tool before exploring others.
🔢 . Stay curious:
explore new technologies, and engage with the DevOps community to enhance your skills.
Best of luck on your DevOps journey!🙂
✈️ 𝗙𝗼𝗹𝗹𝗼𝘄 @prodevopsguy 𝗳𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀!!!
For those considering a switch to DevOps, here are some basic tips to help you get started:
Understand the purpose of different DevOps tools such as Jenkins, Ansible, Docker, Kubernetes, Git, and more. Each tool serves a specific function in the DevOps pipeline.
Gain a solid understanding of the DevOps lifecycle, from development and testing to deployment and monitoring. Know the roles and responsibilities at each stage.
Command at least one scripting language, like Bash or Python. While you don't need to be a hardcore developer, scripting is vital for automation tasks.
DevOps is a dynamic field, and tasks can vary widely. Be ready to adapt to new challenges regularly. It's not uncommon to face different issues deploying the same code in different environments, so a problem-solving mindset is crucial.
Understand fundamental networking concepts. DevOps often involves working with various systems and networks, so a basic understanding will be beneficial.
Be proficient in at least one cloud platform (e.g., AWS, Azure, GCP). Cloud services are integral to modern DevOps practices, and knowing your way around a cloud environment is essential.
DevOps encompasses a variety of tools that may serve similar purposes. Instead of trying to learn multiple tools for the same task right away, focus on mastering one tool first.Start by learning the basics and becoming proficient in one tool before exploring others.
explore new technologies, and engage with the DevOps community to enhance your skills.
Best of luck on your DevOps journey!
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1.
ls: List directory contents2.
cd: Change directory3.
pwd: Print working directory4.
mkdir: Create a directory5.
touch: Create a file6.
cp: Copy files and directories7.
mv: Move or rename files and directories8.
rm: Remove files and directories9.
find: Search for files and directories10.
grep: Search for patterns in files11.
cat: Concatenate and display files12.
less: View file contents page by page13.
head: Display the first lines of a file14.
tail: Display the last lines of a file15.
vi/vim: Text editor16.
nano: Text editor17.
tar: Archive and compress files18.
gzip: Compress files19.
gunzip: Decompress files20.
wget: Download files from the web21.
curl: Transfer data to or from a server22.
ssh: Secure shell remote login23.
scp: Securely copy files between hosts24.
chmod: Change file permissions25.
chown: Change file ownership26.
chgrp: Change group ownership27.
ps: Display running processes28.
top: Monitor system resources and processes29.
kill: Terminate processes30.
df: Display disk space usage31.
du: Estimate file and directory space usage32.
free: Display memory usage33.
uname: Print system information34.
ifconfig: Configure network interfaces35.
ping: Test network connectivity36.
netstat: Network statistics37.
iptables: Firewall administration38.
systemctl: Manage system services39.
journalctl: Query the system journal40.
crontab: Schedule cron jobs41.
useradd: Create a user account42.
passwd: Change user password43.
su: Switch user44.
sudo: Execute a command as another user45.
usermod: Modify user account46.
groupadd: Create a group47.
groupmod: Modify a group48.
id: Print user and group information49.
ssh-keygen: Generate SSH key pairs50.
rsync: Synchronize files and directories51.
diff: Compare files line by line52.
patch: Apply a patch to files53.
tar: Extract files from an archive54.
curl: Perform HTTP requests55.
nc: Netcat - networking utility56.
wget: Download files from the web57.
whois: Lookup domain registration details58.
dig: DNS lookup utility59.
sed: Stream editor for text manipulation60.
awk: Pattern scanning and processing language61.
sort: Sort lines in a text file62.
cut: Extract sections from lines of files63.
wc: Word, line, character, and byte count64.
tee: Redirect output to multiple files or commands65.
history: Command history66.
source: Execute commands from a file in the current shell67.
alias: Create command aliases68.
ln: Create links between files69.
uname: Print system information70.
lsof: List open files and processes71.
mkfs: Create a file system72.
mount: Mount a file system73.
umount: Unmount a file system74.
ssh-agent: Manage SSH keys in memory75.
grep: Search for patterns in files76.
tr: Translate characters77.
cut: Select portions of lines from files78.
paste: Merge lines of files79.
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kubectl get secrets --all-namespaces -o custom-columns='NAMESPACE:.metadata.namespace,NAME:.metadata.name,TYPE:.type,DATA:.data'
Keep your Kubernetes secrets in check! This command lets you oversee all secrets across every namespace, helping you maintain a tight ship on security.
Whether it's API keys, passwords, or certificates, stay on top of your secret management game.
Remember, a secret isn't a secret if everyone knows about it!
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Here are the most widely used tools in the industry along with their official documentation:
1. Git: https://git-scm.com/docs
2. GitHub: https://docs.github.com/en
3. Bitbucket: https://lnkd.in/dA2PcM_w
1. Service Now: https://lnkd.in/d69yubJF
2. Jira: https://lnkd.in/dD_WcXFQ
3. Trello: https://trello.com/guide
1. AWS: https://lnkd.in/dMa9XpMa
2. Azure: https://lnkd.in/dBsJtZHy
3. GCP: https://lnkd.in/d3hmN-Jr
1. Docker: https://docs.docker.com/
2. Kubernetes: https://lnkd.in/dZXfQEqW
3. Mesos: https://lnkd.in/dqzvzJhY
1. Terraform: https://lnkd.in/dM46h2_D
2. Octopus: https://octopus.com/docs
3. Heroku: https://lnkd.in/dCDuwvcj
1. Selenium: https://lnkd.in/dTnFN8bT
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3. Postman: https://lnkd.in/d3xERi6c
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1. Jenkins: https://lnkd.in/dPmA6-ff
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3. Argo CD: https://lnkd.in/dK5eXbYi
1. Grafana: https://lnkd.in/dX5anVq9
2. Prometheus: https://lnkd.in/ddxjc9bV
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Welcome to Pro DevOps Guy ❤️
• We post Daily Trending DevOps Blogs
• All New DevOps Videos & PDFs
• All Cloud/DevOps Tips & Techniques
• All Cloud/DevOps Related Code & Scripts uploaded
• DevOps/Cloud Job Related Posts
• Realtime Interview questions & preparation guides
📝 NOTE: NO PAID SHIT HERE
• We post Daily Trending DevOps Blogs
• All New DevOps Videos & PDFs
• All Cloud/DevOps Tips & Techniques
• All Cloud/DevOps Related Code & Scripts uploaded
• DevOps/Cloud Job Related Posts
• Realtime Interview questions & preparation guides
📝 NOTE: NO PAID SHIT HERE
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Amazon Elastic Compute Cloud (EC2) is a web service offered by Amazon Web Services (AWS) that provides resizable compute capacity in the cloud. EC2 allows users to launch and manage virtual machines.
Map your requirements and select the right instance type to optimize performance and costs.
Prioritize security groups, IAM rol
Regularly back up your data to S3 or use automated snapshots for peace of mind.
Set up CloudWatch for real-time insights into your instances and establish alerts for critical metricses, and key pairs to safeguard your EC2 instances.
Don't neglect OS and software updates; this can lead to vulnerabilities.
Avoid selecting instances with excessive resources; it's costly and unnecessar
Failing to monitor costs can lead to budget surprises. Set up billing alerts.
Don't disregard CloudWatch; it's your eyes and ears in the cloud.
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