Optimize MySQL my.cnf | If you are using MySQL, it can help to optimize MySQL according to how much ram you have on your server. Make these changes by editing: /etc/mysql/my.cnf Ubuntu and most all distros include example config file settings based on your available ram. These examples are generally located in: /usr/share/doc/mysql-server-5.1/examples/ -> my-small.cnf.gz my-medium.cnf.gz my-large.cnf.gz my-huge.cnf.gz my-small.cnf
Straighten Crooked Photos – GIMP
Straighten Crooked Photos – GIMP | Use gimp to easily straighten crooked photos! Here is my random photo which is slightly crooked to the left. First choose Tools > Transform Tools > Rotate Then you can simply adjust the angle to straighten your photo as desired. If needed, you can also adjust the center pivot point. I turned on the grid
Debian 6 Squeeze Beta 2
Debian 6 Squeeze Beta 2 | The Debian Squeeze Beta 2 release of the Debian Installer is out. Here is a slideshow review of the release and what is to be Debian 6. Bonus Here is the new Debian 6 background wallpaper (SVG file):
Ubuntu List Installed Packages
Ubuntu List Installed Packages | How do I list all installed packages in Ubuntu / Debian? This command will list all installed packages: dpkg –get-selections Or do dump this list to a file, try this: dpkg –get-selections > packages.txt
Tiger Local Security Audit
Tiger Local Security Audit | Tiger is an excellent local Linux (*nix) system security audit tool. sudo apt-get install tiger Then run: sudo tiger Tiger checks various things such as all user accounts on the machine, problematic cron and service entries, complete system file permission check, rootkits, backdoors, (Debian/Ubuntu example: complete md5sum of installed files against Debian Security Advisories), listening
Add User to Wheel Group
Add User to Wheel Group | To add a user to the wheel group, simply issue this command: sudo gpasswd -a bob wheel In this example the username is ‘bob’. The output will return: Adding user bob to group wheel
CentOS Yum Automatic Updates
CentOS Yum Automatic Updates | How to set CentOS to use automatic updates 1. yum install yum-cron 2. chkconfig yum-cron on 3. /etc/init.d/yum-cron start That’s it! This job will run when regular cron.daily tasks are scheduled to run as specified in /etc/crontab.
Rsync Over SSH
Rsync Over SSH | Here is a quick and easy way for transferring files via rsync over ssh. rsync [options] ssh [local source directory] [user@server]:[destination on server] Example: # rsync -avPz /home/bob/workstuff bob@192.168.1.125:~/ a (recursive, hidden files incl, etc. – the standard rsync option) v verbose P show Progress z compress data during transfer This will make a copy
shellinabox With Apache Authentication Over HTTPS 443
shellinabox With Apache Authentication Over HTTPS 443 | shellinabox is an amazing web-based SSH client. It is very handy if you are not on a machine with a good terminal app, are filtered to not having port 22 available, or other uses such as a good web based shell to use while on the ChromeOS notebook. This guide shows how to setup and
