Grub 2 Windows 7

I had initially installed Windows 7 then Ubuntu 9.10 on a singe SATA disk. Later I added an IDE disk and plugged in the SATA DVD drive and can no longer boot into Windows 7, with the error:error: invalid signaturePress any key to continue..Back in Ubuntu... » More

Ubuntu Panels Lock Down

My sister had an issue with somehow moving the panels to different sides of the screen so to lock them down: In a terminal type:gconf-editorExpand apps > panel > globaland tick the option for locked_down

Debian chkconfig

On Debian-based systems adding a script to runlevels is accomplished with the following (assuming you have the script in /etc/init.d):update-rc.d -f myservicename start 80 2 3 4 5 . stop 30 0 1 6 .The priority (80 for start and 30 forstop) is set and the... » More

Set MySQL to Read-Only

For a backup server which we may want to run as read-only for short maintenance periods the following may be useful.Method 1: Global read_onlyLogin to MySQL and set the read_only setting to true:mysql -u root -pset GLOBAL read_only = true;To unset this... » More

DVD-RAM on Ubuntu

Some small steps with DVD-RAM on Ubuntu 9.10. I inserted a blank DVD-RAM disk and it was not automatically mounted. I tried mounting but there was no filesystem, so I formatted it as a test with:mkfs.ext2 /dev/sr0which took a while!Then mounted it... » More

Backupify Cloud Backups

As an extra precaution to protect data in the cloud I set up a free Backupify account which can be configured to make daily/weekly backups of Blogs, Gmail, Google Docs etc.  After making backups the individual files/emails can be browsed and downloaded.... » More

Ophcrack Recover Passwords

Ophcrack LiveCD can be used to recover lost Windows passwords based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a Graphical User Interface and runs on... » More

Exchange Offline Address Book Not Updating

Some users where complaining about the Offline Address Book being out-of-date. Checking the Event Viewer on the cluster node which creates the OAB showed the following error:OALGen detected that the file '.....lzx' is corruptedor missing. This indicates... » More

Photoshop-like Actions in Gimp

An easy way to add some of the menu items familiar to Photoshop users, such as:Layer Styles such as Drop-shadow, Inner Glow, Outer Glow etcSave for WebSmart SharpenBatch ProcessingContact SheetMuch more...Install using Synaptic Package Manager search for... » More