Cab's Blog

Just a quick one here:

To successfully block an IP address, the syntax would be:

iptables -I INPUT -s IP_ADDRESS_HERE -j DROP

How to set up a session timeout. Pretty handy if you’re using SSH sessions.

SSH timeout - LinuxQuestions.org

Execute visuodo

Add/append commands for this user (e.g.)

* www-data ALL=NOPASSWD: /etc/init.d/network start, /etc/init.d/network stop

Where:

* www-data : Username allowed to run commands as root
* ALL: Hostname (run from any host)
* NOPASSWD: Do not ask for password, as script can not supply password
* /etc/init.d/network start, /etc/init.d/network stop: Commands separated by comma

Save and exit from visudo command. Now here’s a sample test.php script:

RIGHT CLICK AND SAVE THIS LINK

Upload this to your server, run it and see how it works.

This is great:

http://www.ozgrid.com/Excel/ExcelProblems.htm

Check out the “FREE Excel file size reducer". It helped me reduce an ever increasing spreadsheet from 13Mb to 1.4Mb! Without the loss of any information at all. I’m really chuffed about this.

If it disappears, you can get it here:

http://www.rosbif.org/store/File_Size_Reducer.zip

All the instructions are inside the zip file.

Check this out then.

https://wiki.ubuntu.com/HardwareSupportComponentsPrintersHp

What it’s saying, is to use the standard LaserJet 4M driver (hpijs) and don’t choose LaserJet 4M when installing the printer. The postscript driver won’t work.

Oh, for me in CUPS, it was listed as the foomatic driver too.