System administrators need to keep track of all sudo users in Linux to prevent unauthorized access to system. Here is how to find all sudo users in Linux.
Linux
How to Insert Text to Beginning of File in Linux
Sometimes you may need to insert one or multiple lines to the beginning of file. Here is how to insert text to the beginning of the file.
How to Revoke SSH Access & Keys in Linux
Sometimes you may need to revoke SSH access & keys to users to avoid unauthorized access. Here are the steps to do it.
How to Keep SSH Session Alive After Disconnect in Linux
Sometimes you may need to keep your SSH connection alive even after disconnect to run tasks & processes. Here is how to do it.
How to List SFTP Users Who Have Access in Linux
Sometimes you may need to list all SFTP users who have access to your system. Here is how to do it in Linux.
How to Password Protect PDF in Linux
How to Remove PDF Password in Linux
Sometimes you may need to remove password from PDF file. Here is how to remove PDF password in Linux using PDF toolkit and QPDF.
How to Rotate & Resize Images in Linux Terminal
Sometimes you may need to rotate & resize image in Linux terminal. Here is how to edit images in Linux.
How to Exclude Files & Folders From Copying in Linux
Sometimes you may need to copy all files & folders excluding one or more files in Linux. Here is how to exclude files & folders from copying in Linux.
How to Copy Files to CD in Linux
Sometimes you may need to copy files to CD in Linux. Here are the steps to copy files & folders to CD in Linux.