Fedora Linux

rsyslog omprog (run a shell script on a filtered message)

rsyslog.conf

 
$ModLoad omprog
$actionomprogbinary /opt/omprog.py
:msg, contains, "sometext"  :omprog:;RSYSLOG_TraditionalFileFormat

omprog.py

line = sys.stdin.readline()
if line:
    check(line)

Linux multiple default route

http://kindlund.wordpress.com/2007/11/19/configuring-multiple-default-routes-in-linux/

Cisco Routing Process

http://ciscorouterswitch.over-blog.com/article-cisco-ios-order-of-operation-114424332.html

perl Devel::Trace

Install

cpan> o conf make /usr/bin/make
    make               /usr/bin/make

cpan> o conf commit
commit: wrote /etc/perl/CPAN/Config.pm

perl -MCPAN -e 'install Devel::Trace'

Run

perl -d:Trace my.pl

CentOS 7: Grub2 does not find Windows partition

need to install ntfs-3g, then rerun grub2-config