Scripting
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Information about shutdowns and reboots
A easy way to get information about shutdowns and reboots is to run the command last reboot or last -x | grep down
Author: Hans-Henry Jakobsen
Curious IT geek and dad.
Scripting
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Updating WordPress using a bash script
If you have shell access to your webserver this script can be used to upgrade your WordPress installation to the latest version quickly. Always remeber to backup your database and installation files before running it! Do change the bold text to reflect your WordPress Internet address before you run the script. #!/bin/bash CURDIR=$(pwd) SITE=”http://yoursite.com/wordpress” echo […]
Scripting
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Using TCP Wrappers to deny daemon access in specified hours
By doing the following you can deny certain daemons to be available in specified hours by using hosts.allow and hosts.deny. In my example I will be using the vsftpd daemon by adding tcp_wrapper=YES in /etc/vsftpd.conf. Make sure that your private network has access all the time by adding this in /etc/hosts.allow vsftpd: 192.168.0. Enables access […]
Scripting
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Recursivly find and edit files in place
This is a simple oneliner to replace words inline using perl :) # for i in `find ./ -name foo` ; { perl -p -i -e “s/oldword/newword/g” $i ;} You’ll need bash and perl.
Scripting
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Restrict daemon access using TCP Wrapper
TCP Wrapper is a host-based Networking ACL system, used to filter network access to Internet Protocol servers on (Unix-like) operating systems such as Linux or BSD. It allows host or subnetwork IP addresses, names and/or ident query replies, to be used as tokens on which to filter for access control purposes.