5.Mastering Linux Commands: A Guide for Server Enthusiasts

Essential Linux Commands

Here is a list of powerful Linux commands to navigate and manage your server environment effectively

• sudo -i: Switch from ec2-user to root user.

• sudo su -: Switch to root user.

• logout (Ctrl + D): Switch from root to ec2-user.

• cat /proc/cpuinfo or lscpu: Display CPU information.

• cat /proc/meminfo or lsmem: Display memory information.

• fdisk -l or lsblk: Show volume information.

• ifconfig, ip addr, ip addr show, hostname -i: Display IP address.

• clear (Ctrl + L): Clear the screen.

File Commands

• touch file: Create a file.

• ls or ll: Show list of files.

• cat file1: Display the content of a file.

• cat >> file1: Insert content into a file.

• Press Ctrl + D: Save and exit from a file.

• cp file1 file2: Copy content from file1 to file2.

• mv file1 file2: Rename file1 to file2.

• rm file1 or rm file1 -f: Remove a file (forcefully).

• rm * -f: Remove all files forcefully.

• touch file{1..100}: Create 100 files at a time.

• cat file1 >> file2: Copy content from file1 to file2 without overriding.

Conclusion

Empower yourself with these Linux commands to navigate your server environment seamlessly. Whether you're a beginner or an experienced user, mastering these commands will enhance your efficiency and control over your Linux-based systems. Happy exploring!