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Python Tutorials

By John C. Zastrow

Posted on February 28, 2011

http://www.sthurlow.com/python/ http://www.swaroopch.com/notes/Python http://young-programmers.blogspot.com/search/label/python http://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_2.6 [Read More]

Remove header from a text file

By John C. Zastrow

Posted on January 26, 2011

I’m processing some Darwin-schema biodiversity text files in preparation for GISing them and I need to trim the headers from the tops of the files before importing them to the database. Of course, *NIX command line utilities have been my friend here. The following will trim the first line off... [Read More]

Another automated FTP bash script

By John C. Zastrow

Posted on October 4, 2010

from http://www.stratigery.com/scripting.ftp.html [Read More]

Scheduled file copies or directory sync from local directory to FTP server

By John C. Zastrow

Posted on September 3, 2010

If you have a remote FTP server that you need to put files into, and you don’t want to deal with SCP/SFTP passkeys, lftp (http://lftp.yar.ru/) on the local client machine might be for you. It comes with most linux distros (I found it using yum simply as lftp) and one... [Read More]

Using screen in Linux to save your bacon

By John C. Zastrow

Posted on February 28, 2010

Tonight I’m being plagued by dropped ssh connections. 2 minutes of work, them bam everything goes away. I’ve seen screen used in the past, but never had to use its power until tonight. Ask any seasoned sysadmin and they’ll tell you that screen has saved their bacon many times, and... [Read More]

SYSSTAT: SAR/IOSTAT

By John C. Zastrow

Posted on February 25, 2010

The pidstat command is used to monitor processes and threads currently being managed by the Linux kernel. It can also monitor the children of those processes and threads. [Read More]

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