iptables is a firewall in Linux for monitoring incoming and outgoing traffic. Here is how to configure iptables in Linux.
How to Configure Iptables in Linux step by step
How to Use NGINX as Reverse Proxy for NodeJS
Sometimes you may need to use nginx with nodejs. Here are the steps to configure NGINX as reverse proxy for NodeJS application.
How to Convert Image to Pdf in Linux
Sometimes you may need to convert jpg image to pdf in Ubuntu Linux. Here is how to convert image to pdf in Linux.
How To Search in VI Editor
Sometimes you may need to how to find specific word in vi editor or search a sentence in vi editor. Here is how to search in vi editor.
How To Set Default Text Editor in Ubuntu
Sometimes you may need to change default editor in Ubuntu. Here are the steps to set default editor in Ubuntu.
How To Undo Git Add Before Commit
Sometimes you may need to revert git add before git commit, or undo last add. Here is how to undo git add before commit.
How to Install AWS CLI in Ubuntu
AWS CLI allows you to manage amazon cloud services from command line. Here is how to install AWS CLI in ubuntu.
How to Tar a File in Linux
Tar is a useful utility to archive one or more files. Here is how to tar a file in Linux. You can also tar a directory in Linux.
How to Upgrade PHP Version in Ubuntu
How To List All Services in Systemctl
Sometimes you may need to list all services in Linux or Ubuntu. Here is how to list all services in systemctl command.