Ubuntu Archives - Page 16 of 33

How to Check if Input Argument Exists in Shell Script

Sometimes you may need to check if input argument exists in shell script. Here are the steps to do it.

Sometimes you may need to check if directory exists in shell script. Here are the steps to check if folder exists in shell script.

Sometimes you may need to get directory of bash script or get folder where script is present. Here is how to get directory of shell script.

Sometimes you may need to disable SSH password authentication to increase system security. Here are the steps to do it.

Sometimes you may need to kill long running processes in Linux. Here is how to kill processes running longer than specific time.

Sometimes you may need to split tar files into multiple files in Linux. Here is how to do it.

Sometimes you may need to rename files to lowercase or uppercase in Linux. Here is how to do it in Linux.

Sometimes you may need to backup & restore hard disk in Linux. Here are the steps to backup & restore hard disk in Linux.

Sometimes you may need to lock & unlock users in Linux. Here are the steps to do it.

Top command lists top CPU consuming processes. Here is how to capture top command output to file.