cannot allocate memory error

Had a weird memory error my Linux servers at work today. These were heavy duty machines running  heavy jobs throughout the day. /var/log/messages kept reporting that the kernel had no more memory to process new jobs. Most of the errors read ” cannot allocate memory “ Some digging around later we found the fix. Kernel…

How to install Adobe AIR 1.5 on Ubuntu 8.10

1. Download Adobe AIR 1.5 at or use the direct Link . 2. Assign execute rights to  the “AdobeAIRInstaller.bin”file to start the installer. danesh@python:~/Desktop$ chmod +x AdobeAIRInstaller.bin 3. Execute  the “AdobeAIRInstaller.bin” file to start the installer. danesh@python:~/Desktop$ ./AdobeAIRInstaller.bin Related: How to install twhirl

How to install GScrot – Screenshot Tool

Update [  Feb 16 2009 ] – GScrot has been renamed to Shutter. GScrot is a popular screen-shot tool for Linux. GScrot is currently at version 0.64. It runs best on GNOME and has a good feature list. Capture a website, whole desktop, individual window or a custom selection. Support for delayed screen-shots. Plug-ins for…

Deluge 1.1.0 released

Deluge 1.1.0 is out. Some of the major changes in the release; Labels. Proxy support. Authentication for the daemon. Per-tracker filtering. Magnet uri/hash. Improved file tabs with file/folder renaming functions. QOS support. For the full change list go to the changelog. Download here.

How to find the number of physical CPUs in Linux

With multicore CPUs it’s easy for newbies to get confused when faced with questions like; 1. How many physical CPUs does the server have? 2. How many cores on each CPU? Duo/Quad In Linux it’s actually quite easy to get this info. You could go through the /var/log/dmesg file or the /proc/cpuinfo file. For this…