Posts

Color channel swapping in Photoshop This is a little HOWTO (or tutorial) about swapping/inverting two color channels. I will swap the red and the blue color channel using Adobe Photoshop CS 3 to create a more...
Generate a /etc/hosts file from the command line This is a simple example of how you can populate a /etc/hosts file with 100 IPs and hosts from the command line # N=1; for i in $(seq -w 100); do echo "192.168.99.$N...
Fix slow SSH login Add the following line if your SSH login takes a long time on your SSH server. File /etc/ssh/sshd_config: UseDNS no Restart the SSH daemon to activate this change.
Some iptables tricks Multiport The Multiport extension allows you to specify multiple ports and ranges and makes it possible to create complex rules in one line. Here’s an example of how you can...