Checkpoint, Palo Alto, Cisco ACS, and others, all of them are enterprise, popular and good firewalls. But all of them require some price to pay. Is there any free alternative to these enterprise firewalls? Yes,...
File sharing is one of the oldest and most popular usage areas of the internet. In the old days, there was FTP to share files. After the FTP era various protocols and tools came into...
Linux provides cut command for remove sections from each line of output in bash. cut command provides a mechanism to filter extract column/text from a file or standard output. Detailed examples can be found below....
Virtual Private Network simply VPN is one of the most known IT terms between people. What is a VPN? Virtual means the network or tunnel we will create is virtual not a physical network. This...
Tmux is a terminal multiplexer popular in Linux world. Tmux provides multiple windows in a single session. Tmux also has the ability to detach and run after disconnect and attach after connection. This is very...
Network file system is a simple way to share files and folders over the network. NFS is developed by Sun Microsystems in 1980. NFS is very popular in the Linux and Unix world. NFS is...
Linux system administrators generally prefer to work with the command line. While working with the command line a terminal emulator should be used. There are a lot of terminal emulators alternatively in Linux. In this...
SSH is one of the most popular tools in the Linux and Unix world. SSH or Secure Shell as its name suggests creates secure shell connections to the remote systems. Most of the Linux system...
youtube-dl is a small application written with python to download youtube provided media content like video and audio. What makes youtube-dl so popular are simple, works and rich feature set. youtube-dl currently supports YouTube.com, Dailymotion...
Linux network stack provides a lot of network-related features like a commercial network router or switch. There are different tools and ways to manage these advanced features. In this tutorial, we will look ip toolset which...
