System Administration

Another Bash One Liner To Delete Old Directories

We received a tip from blog readers Christian and Michael for…

One Line Batch Rename Files Using CSV Input File and awk

The Bash command environment, which is the namesake of this blog,…

UbunTOS - Ubuntu 9.10 + TinyOS 2.x VirtualBox Image

This is my admittedly minor but I hope useful contribution to…

Linux Command Line, Generating a Random File

It is very easy to create a random file using the linux command…

Canon CanoScan LiDE 50 Scanner and Windows 7 (32 or 64-bit) Driver Fix

Canon's site for the LiDE 50 does not list any Windows 7…

What I recently learned about EDID, Windows 7 and nVidia

EDID stands for Extended display identification data and is…

Tweaking TCP for Fast (100mbps+) Connections and Transfers on Linux

We recently did some speed testing on a few of the servers on our network, and we were not receiving the speeds expected considering they were sitting on a physical 100mbps ethernet port. The servers were indeed on physical 100mbps connection, however wget (TCP/IP, HTTP Port 80) download tests showed only a max of about 1.5MB/sec (note the 8bit/byte conversion, so this translates to about 12mbits).