How to prevent a file from being overwritten using the tcsh shell on Linux.

How to use noclobber with the tcsh shell on UNIX and Linux This example using the set noclobber command prevents existing files from being overwritten. 2:04am ubuntu /home/ubuntu ~> set noclobber2:04am ubuntu /home/ubuntu ~> set noclobber Now if I try to redirect to the file, this happens. 2:04am ubuntu /home/ubuntu ~> echo "" > chan.c … Read more

How to crack a wireless WPA2 network with aircrack on Parrot or Kali Linux.

To start a Wireless interface in monitor mode, use this command. This will create a new interface that we may use to attempt to crack a wireless WPA2 network. ┌─[root@parrot]─[/home/user] └──╼ #airmon-ng start wlan1   Found 2 processes that could cause trouble. If airodump-ng, aireplay-ng or airtun-ng stops working after a short period of time, … Read more

How to setup an SSH login using host keys instead of a password.

To setup an SSH login on your Linux machine that does not require a password and uses SSH host keys instead, follow this simple guide. Firstly, generate a set of keys for your SSH login. ubuntu ~/Documents $ ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/home/ubuntu/.ssh/id_rsa): /home/ubuntu/Documents/id_rsa Enter … Read more

Very useful Nmap scanning tips for getting information from a host.

The nmap -A -P0 command line will scan a host and get information about the host and what is running on it. Press j whilst the scan is running to print statistics about the progress of the scan. Press it again to update it. ┌─[root@parrot]─[/home/user] └──╼ #nmap -A -P0 202.146.215.17   Starting Nmap 7.50 ( … Read more

Get Ubuntu Chinese edition now. Ubuntu Kylin is very good.

There is a good version of Ubuntu for Chinese customers. Ubuntu Kylin is customized especially for China with custom applications installed that are specifically designed for use in China. Give this a try if you wish to have an alternative to Windows on your desktop or laptop machine. Download Ubuntu Kylin: https://www.ubuntu.com/download/ubuntu-kylin. Ubuntu Kylin website: … Read more

Latest Linux Mint Mate themes for your Linux desktop.

Very nice Linux Mint MATE themes. There are some nice MATE themes in this archive for Ubuntu, that will work with any Linux distribution using the MATE desktop. https://launchpad.net/ubuntu/+archive/primary/+files/ubuntu-mate-artwork_16.04.7.tar.xz. This is a very nice theme for your desktop indeed. Just extract the themes in the archive to your ~/.themes directory. Macbuntu theme for Linux Mint … Read more