How to Sudoers Syntax: usernames/group servername = (usernames command can be run as) command There are some general guidelines when editing this file: Groups are the same as user groups and are differentiated from regular users by a % at […]
Linux connection check
Ubuntu 8.10 Hardy Connectivity Check, Internet Connection test and repair. I am not sure why but my ubuntu at home keeps losing the connection and I have to manualy disable and enable Network Manager. So I wrote this: -> Each […]
Linux .bashrc script
Login script to set nice prompt, colors,alias, history. Download Copy to your home folder (ex. /root) and save as .bashrc restart the terminal and it should come up You may need to change the ‘ and “, the blog changes […]
Skype client linux +sms
skype client linux +sms For some reason the default Skype for Linux is missing many many functions. Can not even send a simple SMS, like with the windows version. Well there is open API and people have worked it quite […]
Uninstall Gnome and Office
If you have a server there is no need of the GUI interface, is there? A good linux admin will never need it. So I am removing it, here are the commands: Remove GUI (Gnome) # apt-get remove gnome* # […]
Squid howto
This week I setup a cool Squid Proxy for our network at the office. What it does? Follow also the HowTo Setup SquidGuard 1. Caches the websites people visit, so it usess less bandwith and improve performance 2. Allow managers […]
Iptables howto
IPTABLES basic commands List current rules: # iptables -L -v Remove all previous rules: # iptables -F Don’t disconnect ESTABLISHED connections: # iptables -A INPUT -m state –state ESTABLISHED,RELATED -j ACCEPT Drop any Broadcast and Multicast # iptables -A INPUT […]