Increasing screen resolution in VNC on X
When connecting to a server without a monitor by VNC, X won't allow you to select screen resolution higher than 640x480 on next restart. This can be easily fixed:
Open /etx/X11/xorg.conf using a text editor (pico /etx/X11/xorg.conf) and add these two lines in the Monitor section of the config file:
HorizSync 31-95
VertRefresh 50-60
Now reboot X or your server and next time you connect using VNC you'll be able to select up to 1024x768.
The Monitor Section will look something like this when you have added the two lines:
Section "Monitor"
Identifier "Configured Monitor"
HorizSync 31-95
VertRefresh 50-60
EndSection
This has only been tested on Ubuntu 8 but it should work on Debian.
Loading iptables rules on startup
By default iptables is setup on Debian etch but there are no rules configured. In this tutorial we'll configure some rules and load them into iptables on startup.
1. Rules file
Create a new file that will contain a shell script to insert rules into iptables (pico /etc/firewall-rules.sh) and add this content as template:
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