Migrate System Packages Ubuntu | How can I migrate a set of installed packages from one system to another in Ubuntu or Debian? Using dpkg you can create a list of installed packages which can then be applied to another system. This is also great for making an apt-get ‘backup’ of your desired package install. 1. On the old system:
Linux Permissions Calculator
Linux Permissions Calculator | This site is an awesome Linux / Unix Permissions Calculator. Check it out: http://permissions-calculator.org
Optimize MySQL my.cnf
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
intoDNS.com – Check Your DNS
intoDNS.com – Check Your DNS | intoDNS is a slick web based DNS check. Check it out: http://www.intodns.com
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
Android Most Wanted Features
Android Most Wanted Features | Here are my most wanted fixes for Android! You can help out by starring the bug reports. None of these are fixed as of the latest Android 2.3. Warning: rant mode is on. Issue 2630: Email app uses base64 encoding for plain text messages Yes, the Android email app cannot send plain text emails. Emails
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