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Author Archives: theunixguy
Bash Shell Version 4.0 released
February 23, 2009 – 6:39 pm
The latest version of the Bash shell was recently released. Version 4.0. Bash is pretty much the default shell is most Linux distributions, and seems to be preferred by most Sys-Amins on other flavors of UNIX as well.
I just downloaded and compiled the source on my Ubuntu 8.10 workstation as I didn’t see it in [...]
Using command-line Perl to search and replace
February 23, 2009 – 3:58 am
One of things I always seem to be doing is searching for strings in files and changing them. I’ve gotten used to using Sed and VI for this. But perl also makes it easy to do via the command line.
Consider the following text file:
$ cat resolv.conf
search theunixzone.com
nameserver 10.1.1.1
nameserver 10.1.1.2
nameserver 10.1.1.3
By doing a command similar to [...]
350,000+ Virtual Desktop Instalation in Brazil
February 20, 2009 – 9:26 am
eWeek writes that Brazil now has the largest single desktop virtualization and Linux deployment. Over 350,000 workstations in schools.
Personally, I think getting only 10 virtual workstations to a single server is pretty week. Memory is cheap, and I doubt the CPU requirements are going to be all that demanding. I’d probably pushing to get at [...]
HP Certification for Ubuntu
February 18, 2009 – 4:49 pm
According to Canonical, plans are in the works to get Ubuntu fully certified on HP hardware.
I’ve always been a fan of Hewlett-Packard and have used their Intel, PA-RISC, Alpha, and Itanium servers forever running UNIX and Linux. On the Intel side, this has been primarily SUSE and RedHat Enterprise Linux due to official vendor support.
Working [...]
COTD: wc - print newline, word, and byte counts for each file
November 30, 1999 – 12:00 am
The wc command is very useful. It’s a simple little command, but I use it all the time. The wc command basically counts the number of characters, number lines, or the number of words. Some version can also show the length of the longest line.
Using it is simple. Pass the output of another command to [...]