Top Linux commands for interview you must know about.
In this video, I have shown some of the important Linux commands. These commands are basic but very much useful if you are trying attempt for RHCE or RHCSA exam.
SO hope you like it.
24 Basic but useful Linux commands:
1. Available free Disk space - fdisk -l
2. See Hostname - Hostname
3. See running process - ps , ps -aux etc.
4. Create directory - mkdir "dir name"
5. Remove directory - rmdir "dir name"
6. Rename directory - mv "old dir name " "new dir name"
7. Create a file - touch "file name"
8. Move a file - mv "file name" /path/
9. Delete a file - rm "file name" or rm -rf "file name "
10. See Ip address - ifconfig or ip -a
11. CLear screen - clear or ctrl key + l
12. Query running ports - netstat -tulpn
13. Create user - useradd "username"
14. Delete user - userdel "username"
15. Give password to a user - su - "username" || then passwd
16. Query a package - rpm -q "package name"
17. Install a package - yum install "package name" -y
18. Remove a package - yum remove "package name" -y
19. List Directory - ls / ls -ld / ls - Zd / ls -lrt
20. Print Directory - pwd
21. Check Firewall configuration - firewall-cmd --list --all
22 .Add Firewall Service - firewall-cmd --add-service=https --permanent
23. Add port in Firewall - firewall-cmd --add-port=443 --permanent
24. Restart Firewall - firewall-cmd --reload
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