A-Quick links

Cheat – An Ultimate Command Line ‘Cheat-Sheet’ for Linux Beginners and Administrators

shell-scripts-matter Dev.to

Bash keybindings cheat sheet

How To Make Your MediaWiki Private

Antonio's wiki

Linux and Unix nload App: Monitor Network Traffic and Bandwidth Usage In Real Time

http://www.catonmat.net Peter Krumis blog

bash-redirections-cheat-sheet.pdf Peter Krumis blog

http://www.shellhacks.com/ Linux SysAdmin Notes, FIGlet - ASCII art

Measure Internet Connection Speed from the Linux Command Line

How to configure DNS on Cisco device

VLAN Security Tips - Best Practices Control Inter-VLAN Routing Using IP Access Lists

packetlife.net Most clear blog about networking

Building bridges with Linux

Changing IP Addresses and Routes

Google Open Design materials

continue Linux Static IP Address Configuration

scp copy

SSH Public Key Based Authentication

Cisco IOS ftp ftp://213.141.145.240/ u: anonymous, no pass

Vim

• Open VIM
• Vim Tricks in simple txt format

Windows packaging, deployment and distribution FAQ

Compiling C++ using Cygwin

Git projects

• My GitLab repository Linux Academy - Ansible training examples

Linux directories

• /run temporary filesystem (tmpfs) residing in RAM (aka "ramdisk")
• What are “/run/lock” and “/run/shm” used for?

Citrix

• Citrix Receiver 13.1 on Ubuntu 14.04 Citrix ICA client on Linux

ADSL

• can you emulate PPPoA and PPPoE in GNS3 forum, explained logical and physical topology of adsl

Reverse engineering

• freerainbowtables.com
• oclHashcat Worlds fastest password cracker

Virtualization

• VM Tools ftp

Remote Terminals

• PuTTY Windows Godfather of TTYs
• superPuTTY code.google.com, multitabbed Putty
• putty-nd sourceforge
• MTPuTTY TTY+, multi tabbed PuTTY, Native Win32 code - no need to have any libraries (like .NET, VB etc).