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How to Force User to Change Password in Linux

Sometimes you may need to change password in Linux. Here is how to expire user password using passwd and chage commands in Linux.

Sometimes you may need to automate SSH login. Here is shell script to automate SSH login with passphrase or SSH keys.

Sometimes you may need to pause or suspend shell script execution for some time. Here is how to pause shell script in Linux.

Python allows you to send HTML emails to your users. Here is how to send HTML emails in Python.

Sometimes you may need to list all installed packages in Ubuntu. Here is how to do it using list and dpkg commands.

Sometimes you may need to find & replace string in VI Editor. Here is how to substitute strings & patterns in VI Editor.

Sometimes you may need to find parent process ID of a process. Here is how to find parent process ID in Linux.

Sometimes you may need to change default shell of your Linux user. Here is how to change default shell in Linux.

Moodle is an open-source course management tool. Here are the steps to install Moodle with NGINX on Ubuntu.

Sometimes you may need to download file in Python. Here is how to download file in Python using requests library.