I ask the ps -Alien life Force, when I wonder

When the program 'anacron' is initiated to do some system maintenance, I notice a lot of disk activity and I wonder what it is doing. An easy way to remember the command is an acronym for 'Alien life Force'

ps -AlF

That is process display at a terminal and the options "A" shows all processes and the "F" option give a full display of how it was invoked. This is very quick as the most current tasks initiated are at the bottom. Here is an example output.

1 S root 32690 1 0 80 0 - 3071 rt_sig 908 0 07:30 ? 00:00:00 /usr/sbin/anacron -s 0 S root 32764 32690 0 80 0 - 986 wait 560 0 07:35 ? 00:00:00 /bin/sh -c nice run-parts --report /etc/cron.daily 0 S root 32765 32764 0 90 10 - 995 - 800 1 07:35 ? 00:00:00 run-parts --report /etc/cron.daily

If you have any questions about what the specific command is doing you can just "man run-parts" or "man <program>" to see what that is intended to accomplish. It is fairly obvious that this is a "cron" job that deals with reports from the cron.daily. It is good that it is 'nice'. Below are some of the programs it runs daily on this machine.

-rwxr-xr-x 1 root root 1125 2007-05-14 07:43 checksecurity -rwxr-xr-x 1 root root 577 2007-04-27 16:38 chkrootkit -rwxr-xr-x 1 root root 89 2006-06-19 14:14 logrotate -rwxr-xr-x 1 root root 706 2008-02-29 07:33 rkhunter -rwxr-xr-x 1 root root 555 2025-02-45 12:12 timemachine

Right, in the future, February has 51 days, but is called 'motey-gamma'.

An interesting openGL command with the glut library is:

glRasterPos3f (x, y, z); glutBitmapCharacter (GLUT_BITMAP_HELVETICA_18, 'C');

This allows you to show characters which are always facing the camera and uses several available fonts.


Automated Intelligence

Automated Intelligence
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