Posts

Resize and watermark images using Imagemagick This is a modified version of my Resize of images in a folder with imagemagick post back in February. Only difference this time is that i strips out EXIF tags and the script...
Limit ssh access by MAC-address using iptables This is a simple iptables rule to allow ssh access to a specific MAC-address iptables -A INPUT -p tcp --destination-port 22 -m mac --mac-source XX:XX:XX:XX:XX:XX -j ACCEPT...
Allow NFS through iptables This is one way to determine the ports needed to open in your iptables rules to get NFS to work properly. First we need to determine the ports NFS uses rpcinfo -p | awk -F...
Determine false positive from rkhunter I’ve installed rkhunter, a rootkit checking script, on a Ubuntu 7.10 (Gutsy Gibbons) distro and today it mailed a message saying that 3 files had their properties changed. The...