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.
uniq: Report or omit repeated linesPlease open Telegram to view this post
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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
2. Cucumber: https://lnkd.in/dpmD4A9C
3. Postman: https://lnkd.in/d3xERi6c
1. Maven: https://lnkd.in/dfgBnrZj
2. Gradle: https://lnkd.in/dv6rQczZ
3. Ant: https://lnkd.in/dQgMsgef
1. Jenkins: https://lnkd.in/dPmA6-ff
2. TravisCI: https://lnkd.in/dxxFaK_X
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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Here's the step-by-step explanation for the deployment process of applications on Kubernetes:
‣ Once the application code is written, it is committed to a version control system.
‣ Git is a popular distributed version control system that tracks changes in source code during software development.
‣ Developers use Git to collaborate, track changes, and maintain a history of code revisions.
‣ The application is then packaged into a container using Docker.
‣ Docker allows you to package an application with all its dependencies into a standardized unit for software development.
‣ This ensures that the application runs consistently across different environments.
‣ Once the application is containerized, the Docker image is pushed to a container registry.
‣ Artifactory is a binary repository manager, which can be used to host Docker images among other binaries.
‣ The container registry stores Docker images and allows them to be pulled when needed for deployment.
‣ A Kubernetes Deployment configuration is created using YAML (Yet Another Markup Language).
‣ This configuration defines how the application should run inside the Kubernetes cluster, including the desired state, replicas, and other specifications.
‣ The Kubernetes Deployment configuration is applied to the Kubernetes cluster using kubectl, the Kubernetes command-line tool.
‣ This initiates the deployment process, and Kubernetes ensures that the desired state defined in the configuration is achieved within the cluster.
‣ A Kubernetes Service is created to expose the application internally within the Kubernetes cluster.
‣ This allows other services or applications within the cluster to communicate with the deployed application.
‣ To make the application accessible to external users, an Ingress resource is defined.
‣ The Ingress Controller manages the Ingress resources and ensures that external traffic is routed to the appropriate services within the cluster.
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Prometheus is an open-source monitoring and alerting toolkit designed for reliability and scalability. It's your go-to companion for gaining deep insights into your infrastructure and applications.
Here are some key points highlighting the advantages and applications of Prometheus:
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If you're navigating multiple clusters and namespaces, kubectx and kubens are about to become your new best friends. These tools, easily installable via Krew, offer a faster and more intuitive way to switch contexts and namespaces in Kubernetes.
Check out the below to see
kubectx and kubens in action! Please open Telegram to view this post
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DevOps is more than just a buzzword; it's a game-changer in the world of software development and IT operations.
Culture: It encourages a collaborative and open culture, where teams work together and share responsibilities.
Automation: Automation is at the core of DevOps, from code deployment to infrastructure provisioning.
Measurement: DevOps emphasizes data-driven decision-making, using metrics and analytics to continuously improve processes.
🚢 Continuous Deployment (CD): Automate the deployment of code to production, reducing manual errors and accelerating releases.
The scope of DevOps is virtually limitless, and it's not limited to a specific industry or technology stack. Embracing DevOps practices can lead to improved efficiency, faster releases, and better software quality, making it an invaluable asset for any organization.
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