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![N am bi R 29. lsof -u username - It means list of opened files in the User. 30. Id nambir - it will show all the id of the user. 31. tar -cvf filename foldername - zip a file 32. tar -xvf filename - Unzip a file in Devops. 33. cut -c1-2 cba.txt - It means cut the -c(column1 and -2 means cut 2 nd column). 34. Cut -c1 - Then the first colum will cut. 35. sed ‘s /word/newword/’ cba.txt - Editing text it will change the word. 36. Uniq filename - I want to delete all the duplicates from a file. 37. watch -d free-m - 38. eval - -help - it is used to arguments as a shell command. 39. history 5 - It means it will show the history of the last 5 commands. 40. dd if = /dev/hda of = /dev/hdb - moving all the disk files to another disk. 41. free -g - Displays the memory in Gigabytes. 42. ssh masters-ip & ssh slave-ip & ssh-keygen -t rsa - It is known as a secure shell. 43. ip address & ip link - It will show all the ip & all the link. 44. ifconfig -a & ifconfig -s -It will show all the interfaces & Short list. 45. ifconfig - it will show the ip address of the m/c. 46. Netstat -a & netstat -at - it will show various network conn,routing tabl,interface stats, & tcp ports are available. 47. nslookup google.com - it will the ip and all the details of the domain. 48. curl options URL -Downloaded file on the local M/C in the parameters. 49. awk - 50. tr cba.txt | tr “[a-z]” “[A-Z]” - It will change everything in the file from Lower to Upper case. 51. env -envir variables in the sys. 52. sudo apt-get install softwarename -It will install the software in to the system. 53. sudo df -h -Disk usage cmd.](https://image.slidesharecdn.com/linuxterminalcommandsfordevops-230126121833-989408ba/75/Linux-Terminal-commands-for-Devops-pdf-2-2048.jpg)
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Linux Terminal commands for Devops.pdf
This document lists various Linux terminal commands useful for DevOps tasks. It covers commands for viewing files and directories (ls, pwd, cd), manipulating text output (echo, cat), managing users and permissions (sudo, useradd, passwd, chown, chmod), archiving and extracting files (tar, gzip), finding and editing text (grep, sed, awk), networking (ip, ifconfig, netstat, curl), system monitoring (free, df), and installing software (apt-get). The commands allow viewing system information, navigating and manipulating the filesystem, editing configuration files, and installing and managing software.
Linux Terminal commands for Devops.pdf
- 1. N am bi R Linux Terminalcommands for Devops 1. Man ls - User commands will show. 2. Clear - clear everything in the terminal. 3. Pwd - current working directory. 4. Cd - change directory a. Eg: cd /home (it will change to home directory) 5. echo - terminal will show “ “ the content a. Eg: echo “Hello world” b. Hello world 6. Whoami - it will show the name of the id or username. 7. sudo bash - Root user. 8. sudo - it is used for who doesn’t have proper permission then we give sudo and command. 9. sudo nambir - return back to my user. 10. Sudo useradd nambi10 - it means i add one file or directory. 11. Sudo passwd nambi10 - it means password for the directory. 12. sudo userdel nambi10 - it means deleting the user. 13. sudo touch cba.txt - it is a touch cmnd for creating a text file. 14. ls - (list) or i can see the text path. 15. Sudo vi cba.txt - Its an editor. I can edit and type anything inside the .txt then i can edit that text and save that file Press Esc and : and wq(write&quit). 16. cat - Display the contents of the file(.txt). 17. cp cba.txt /home/nambir/ - Copy of the file and directory. 18. sudo mv cba.txt /home - this is moving the file in to another area. 19. sudo rm cba.txt - remove the file. 20. sudo mkdir /home/name - The directory has been created in the path. 21. sudo rmdir name - This cmnd will remove the directory. 22. grep nam cba.txt - This command is i can see the “nam” in cba.txt file(how many nam) 23. sort cba.txt - it means sorting the text like alphabet order. 24. sort -n - This command is for numbers in ascending order. 25. ls -l - This command will list down all the on the directories and Permissions. 26. sudo chown root cba.txt - It is change the owner and the group of the file. 27. chmod 777 cba.txt - It means i give access to -rwxrwxrwx(Readwriteexecution). 28. lsof - List of opened files.
- 2. N am bi R 29. lsof-u username - It means list of opened files in the User. 30. Id nambir - it will show all the id of the user. 31. tar -cvf filename foldername - zip a file 32. tar -xvf filename - Unzip a file in Devops. 33. cut -c1-2 cba.txt - It means cut the -c(column1 and -2 means cut 2 nd column). 34. Cut -c1 - Then the first colum will cut. 35. sed ‘s /word/newword/’ cba.txt - Editing text it will change the word. 36. Uniq filename - I want to delete all the duplicates from a file. 37. watch -d free-m - 38. eval - -help - it is used to arguments as a shell command. 39. history 5 - It means it will show the history of the last 5 commands. 40. dd if = /dev/hda of = /dev/hdb - moving all the disk files to another disk. 41. free -g - Displays the memory in Gigabytes. 42. ssh masters-ip & ssh slave-ip & ssh-keygen -t rsa - It is known as a secure shell. 43. ip address & ip link - It will show all the ip & all the link. 44. ifconfig -a & ifconfig -s -It will show all the interfaces & Short list. 45. ifconfig - it will show the ip address of the m/c. 46. Netstat -a & netstat -at - it will show various network conn,routing tabl,interface stats, & tcp ports are available. 47. nslookup google.com - it will the ip and all the details of the domain. 48. curl options URL -Downloaded file on the local M/C in the parameters. 49. awk - 50. tr cba.txt | tr “[a-z]” “[A-Z]” - It will change everything in the file from Lower to Upper case. 51. env -envir variables in the sys. 52. sudo apt-get install softwarename -It will install the software in to the system. 53. sudo df -h -Disk usage cmd.