๐ง Top 79 Linux commands that are commonly used in DevOps โพ
๐ As a DevOps engineer, ideally you should have proficiency in the Linux.
As a DevOps professional, mastering the Linux command line is crucial for efficient server management, automation, and troubleshooting. In this comprehensive guide, weโll explore top 79 essential Linux commands that every DevOps user should know. Each command is accompanied by a clear explanation and practical examples to help you deepen your Linux proficiency.
This article will help in understanding most of the important and majorly used Linux commands that would be required for a DevOps Engineer.
To execute these commands one can either use any Linux machine / virtual machine / online Linux terminal to quickly start working with the commands.
What is Linux?
- Linux is an operating system, the same as Windows, iOS, and Mac OS. In fact, Linux is the operating system that powers one of the most well-known platforms, Android.
- All of the hardware resources connected to your desktop or laptop are managed by an operating system, which is a piece of software.
- The operating system, in a nutshell, controls how your software and hardware communicate with one another.
- The operating system (OS) is necessary for the software to run.
Why is Linux used for DevOps?
- One of the main practices carried out by the majority of IT companies is infrastructure automation.
- In the area of automating infrastructure, Linux is widely used. The creation of instances takes less time with Linuxโs assistance, and operations run more quickly.
- 47% of businesses will choose Linux by 2021 for major infrastructure versioning and infrastructure automation. So, Is there any ideal Linux for DevOps?
Some of the DevOps-friendly Linux distributions are:
- Ubuntu: For good reason, Ubuntu is frequently ranked first when this subject is brought up.
- Fedora: For developers who prefer RHEL, Fedora is a good option to be explored.
ls
: List directory contents
cd
: Change directory
pwd
: Print working directory
mkdir
: Create a directory
touch
: Create a file
cp
: Copy files and directories
mv
: Move or rename files and directories
rm
: Remove files and directories
find
: Search for files and directories
grep
: Search for patterns in files
cat
: Concatenate and display files
less
: View file contents page by page
head
: Display the first lines of a file
tail
: Display the last lines of a file
vi/vim
: Text editor
nano
: Text editor
tar
: Archive and compress files
gzip
: Compress files
gunzip
: Decompress files
wget
: Download files from the web
curl
: Transfer data to or from a server
ssh
: Secure shell remote login
scp
: Securely copy files between hosts
chmod
: Change file permissions
chown
: Change file ownership
chgrp
: Change group ownership
ps
: Display running processes
top
: Monitor system resources and processes
kill
: Terminate processes
df
: Display disk space usage
du
: Estimate file and directory space usage
free
: Display memory usage
uname
: Print system information
ifconfig
: Configure network interfaces
ping
: Test network connectivity
netstat
: Network statistics
iptables
: Firewall administration
systemctl
: Manage system services
journalctl
: Query the system journal
crontab
: Schedule cron jobs
useradd
: Create a user account
passwd
: Change user password
su
: Switch user
sudo
: Execute a command as another user
usermod
: Modify user account
groupadd
: Create a group
groupmod
: Modify a group
id
: Print user and group information
ssh-keygen
: Generate SSH key pairs
rsync
: Synchronize files and directories
diff
: Compare files line by line
patch
: Apply a patch to files
tar
: Extract files from an archive
curl
: Perform HTTP requests
nc
: Netcat - networking utility
wget
: Download files from the web
whois
: Lookup domain registration details
dig
: DNS lookup utility
sed
: Stream editor for text manipulation
awk
: Pattern scanning and processing language
sort
: Sort lines in a text file
cut
: Extract sections from lines of files
wc
: Word, line, character, and byte count
tee
: Redirect output to multiple files or commands
history
: Command history
source
: Execute commands from a file in the current shell
alias
: Create command aliases
ln
: Create links between files
uname
: Print system information
lsof
: List open files and processes
mkfs
: Create a file system
mount
: Mount a file system
umount
: Unmount a file system
ssh-agent
: Manage SSH keys in memory
grep
: Search for patterns in files
tr
: Translate characters
cut
: Select portions of lines from files
paste
: Merge lines of files
uniq
: Report or omit repeated lines
โก Conclusion
These are some of the top and most popular Linux commands for DevOps that our experts have selected to aid you in your DevOps journey. You can start to feel the pressure of becoming an expert Linux user by inventively integrating these commands into your work processes.
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Thank you for reading this long article.
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