Intel and AMD keep coming out with bigger and faster CPUs. Each time I upgrade (I’m currently eyeing one of these) to a newer CPU it seems like the heat sinks and cooling fans have tripled in size (I ran across this first hand when I purchased a Zalman CPU cooler last year). If you [...]
I was chatting with a friend the other day about recovering the MBR on one of my Windows systems. He is a seasoned admin and recommended the following: 1. Boot from the Windows XP CD (the UBC may also work) and select the recovery console. 2. Once the recovery console comes up you can run [...]
There are a few shellisms that have bitten me over the years. One issue that has bitten me more than once is the interation of variable assignments when a pipe is used to pass data to a subshell. This annoyance can be easily illustrated with an example: $ cat test #!/bin/bash grep MemTotal /proc/meminfo | [...]
Linux NFS server implementations export a number of statistics through the /proc file system. The nfsstat utility can parse this file and display various performance counters, and the data that is displayed comes from the /proc/net/rpc/nfsd proc entry: $ cat /proc/net/rpc/nfsd rc 0 2585 290 fh 0 0 0 0 0 io 1069882 10485760 th [...]
Even though I’m your typical IT geek, I’m not one to jump on technology just because it’s new. I like to wait until technology stabilizes, prices drop and the lines at your favorite geek store decrease in size. I’m fortunate to have a Macbook Pro, and use it for just about everything I do. While [...]
As an admin, there is nothing worse that the feeling you get when you determine you are dealing with file system corruption. Wether it’s a lost inode or a corrupted superblock, I always get a big knot in my stomach when I figure out that corruption exists. With modern file systems like ZFS it’s trivial [...]
