Checkpoint, Palo Alto, Cisco ACS and others, all of them are enterprise, popular and good firewalls. But all of them requires some price to pay. Are there any free alternative to these enterprise firewalls? Yes there are a lot but most of them is not a competitor for them. Pfsense...
File sharing is one of the oldest and most popular usage area of the internet. In the old days there was ftp to share files. After ftp era various protocols and tools came into play like DC++, Napster, Kazaa etc. But these protocols and tools have some problems like not...
Linux provides cut command for remove sections from each lines of output in bash. cut command provides mechanism to filter extract column/text from file or standard output. Detailed examples can be found below. We have following text file named fruits.txt
1 2 3 | apple 1 good grape 5 bad banana 2 not bad |
Syntax
1 | cut OPTION... [FILE]... |
Select Column Cut command provides ability to select specified...
Virtual Private Network simply VPN is one of the most known IT term between people. What is VPN? Virtual means the network or tunnel we will create is virtual not a physical network. This virtual network is isolated from existing public networks. Private means this network traffic will not known,...
Tmux is terminal multiplexer popular in Linux world. Tmux provides multiple windows in a single session. Tmux also have the ability to detach and run after disconnect and attach after connection. This is very useful for system administrators. Man Man page of tmux provides a lot of detailed features. To...
Network file System is is simple way to share files and folders over network. NFS is developed by Sun Micro-systems in 1980. NFS is very popular in Linux and Unix world. NFS is alternative for SMB which is Windows ecosystem file sharing protocol. We will look how to install NFS...
Linux system administrators generally prefer to work with command line. While working with command line a terminal emulator should be used. There are a lot of terminal emulators alternatively in Linux. In this post we will look different flavor Linux terminal emulator. Their pros and cons Terminator Linux Terminal Terminator...
SSH is the one of the most popular tool 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 administrators prefer SSH to manage remotely. SSH creates encrypted channels to the remote 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 Google Video Photobucket Facebook Yahoo Metacafe Depositfiles brightcove.com auengine.com RingTV instagram.com Jukebox 3sat CSpan …...
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 tool set which is new generation tool designed to manage Linux network configuration. Show IP Address IP...
