How to fix startup memory error in Cinelerra

In the current release of Cinelerra, the Linux Video editing tool, version 2.1 CV, you may get the error when starting up the program: The following errors occurred: void MWindow::init_shm0: WARNING:/proc/sys/kernel/shmmax is 0×2000000, which is too low. Before running Cinelerra do the following as root: echo “0x7fffffff”>/proc/sys/kernel/shmmax Sure, you can run over to Terminal as [...]

Upgraded to Lenny – How to fix broken sound

After upgrading to Lenny, everything was really smooth and in order. The only package that didn’t upgrade automatically was Quanta. So from the command line, I did a quick install of Quanta and good to go. Well, sort of. After the upgrade, I rebooted to find that my sound was broken. Up in the top [...]

Peek-a-boo display bug in IE

There is a pesky display bug that will render a “peek-a-boo” effect when you layer div containers in CSS. When this bug is at it’s best, content that should stream after a previous div container, instead partially hides behind it. This is how my home page displays without the position: relative in the post div [...]

WordPress Image Upload Fix

On WordPress 2.7, if you use the image uploader to add images to posts, you may get this error: Precondition Failed The precondition on the request for the URL /blog/wp-admin/media-upload.php evaluated to false. Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request. It generally goes without [...]