Sometimes you may need to automate SSH login. Here is shell script to automate SSH login with passphrase or SSH keys.
Shell Script to Automate SSH Login
Linux
How to Find & Replace String in VI Editor
Sometimes you may need to find & replace string in VI Editor. Here is how to substitute strings & patterns in VI Editor.
How to Find Parent Process ID in Linux
Sometimes you may need to find parent process ID of a process. Here is how to find parent process ID in Linux.
How to Change Default Shell In Linux
Sometimes you may need to change default shell of your Linux user. Here is how to change default shell in Linux.
How to Create Permanent Alias in Linux
Sometimes you may need to create permanent alias in Linux. Here is how to create permanent alias in Linux.
How to Give User Access to Folder in Linux
Often you will need to give user access to folder in Linux. Here are the steps to give user access & permission to folder in Linux using chown & chmod.
How to List Directories & Subdirectories in Linux
Sometimes you may need to list only directories recursively in Linux. Here is how to list directories & subdirectories in Linux.
Shell Script to Replace Text in File
Install KeepAlived in CentOS 7 from source
KeepAlived is a useful module for high server availability, load balancing & monitoring. Here are the steps to install KeepAlived in CentOS from source.
How to Save Grep Output to File in Linux
Sometimes you may need to write grep output to file. Here is how to save grep output to file in Linux.