useradd script to add multiple users to a system and force them to change their password upon login try the following script: Redhat # for name in someuser anotheruser yetanotheruser; do useradd $name; echo ‘password’ | passwd –stdin $name; chage…
I spent forever trying to figure out how to unwrap an apache access_log that was splitting requests between two lines. I finally found the answer! Create a perl script called unwrap.pl and run the script like this: # perl unwrap.pl…
Legend ⇧ – Shift ⌥ – Alt ⌃ – Control ⌘ – Command ↵ – Enter ^e – Move to the end of the line ^a – Move to beginning of the line ^r – search through recent history…
I’ve created a Bash Server Backup Script that will backup your MySQL databases (each database separately in to .sql and .xml files) and your main directories (/var/log, /var/www/html, /etc, /home, /root) to a timestamped directory. Feel free to re-use or…
Here are some excellent bashrc tweaks for RHEL or CENTOS: ## place in ~/.bashrc ## ## prevent embarassingly running command on whole server ## alias chown=’chown –preserve-root’ alias chmod=’chmod –preserve-root’ alias chgrp=’chgrp –preserve-root’ ## Interactive confirmation ## alias mv=’mv -i’…
The following packages have unmet dependencies fix details I was recently trying to install php5-curl and ran in to this error # apt-get install php5-curl Reading package lists… Done Building dependency tree Reading state information… Done You might want to…
Linux and Bash One Liners Command Line Fu – Top One Liners [rssinpage rssfeed=’http://www.commandlinefu.com/commands/browse/sort-by-votes/rss/’ rssitems=’20’ rsstarget=’_blank’] Bash one Liners [rssinpage rssfeed=’http://www.bashoneliners.com/main/feeds/’ rssitems=’20’ rsstarget=’_blank’]
This script will allow you to see the top user agents, urls, IPs for your log files: Script name: ls-httpd #!/bin/bash # Usage # ls-httpd type count # Eg: # ls-httpd url 1000 # will find top URLs in…
to add a user to a samba configuration on linux with a tdbsam backend you must run this command: # smbpasswd -a
to rotate auth.log on ubuntu add the following to your : { rotate 5 daily copytruncate compress }
