Editing Command line tools

* st - simple statistics from the command line interface [https://github.com/nferraz/st]
* pk - A field extraction utility [https://github.com/johnmorrow/pk]
* z - jump around directories [https://github.com/rupa/z]

* kpartx - setup partitions in full disk image via loop, so they can be mounted [http://nfolamp.wordpress.com/2010/08/16/mounting-raw-image-files-and-kpartx/]
* xmount - disk image conversion (VMware, RAW, virtualbox etc.) [https://www.pinguin.lu/index.php]
* qemu-img - qemu-img convert -O vmdk imagefile.dd vmdkname.vmdk [https://stackoverflow.com/questions/454899/how-to-convert-flat-raw-disk-image-to-vmdk-for-virtualbox-or-vmplayer]

* jacksum - use CRC64 to check if file contains only zeroes [http://www.jonelo.de/java/jacksum/index_de.html]
   find . -type f -not -size 0 -print0 | xargs -0 java -jar ~/Documents/src/jacksum-1.7.0/jacksum.jar -a crc64 | grep ^0000000000000000

* rmate - execute textmate via SSH [https://github.com/textmate/rmate]
* vimdiff - as git mergetool [[vimdiff]]

== Shell Stuff ==
* zsh - Z Shell
* oh my zsh - A community-driven framework for managing your zsh configuration [https://github.com/robbyrussell/oh-my-zsh]

== TMux ==
* copy from buffer
**go to buffer history with '''ctrl-b ['''
**begin selection with '''ctrl-space'''
**copy to clipboard '''ctrl-w'''
**paste from clipboard '''ctrl-b ='''

* open tmux sessions in seperate windows (iTerm)
  tmux -CC

== Configuration ==
* etckeeper - keep track of your etc settings in a git [http://evilrouters.net/2011/02/18/using-etckeeper-with-git-on-ubuntu/]

== Ubuntu Packaging == 
* Debug build: 
    export DEB_BUILD_OPTIONS=nostrip,noopt [http://jameswestby.net/tips/tips/compiling-debian-package-for-debug.html]
* Build from git:
   git-buildpackage -uc -us [https://github.com/zfsonlinux/grub/tree/readme]
* Signed built:
  gbp buildpackage -k7EC5B966 --git-sign-tags --git-retag --git-tag
* Make sure to clean your directory (e.g. you used dpkg-buildpackage before)
  rm .gitignore; git clean -f -d; git reset --hard
* For patches use git-dpm [http://git-dpm.alioth.debian.org/examples.html]
* Install build dependencies
   apt-get build-dep package-name

* Override a package file with a local file (original file is moved file.distrib)
  dpkg-divert --local --rename --add /usr/sbin/grub-probe

* Force IPv4 for apt-get [https://unix.stackexchange.com/questions/9940/convince-apt-get-not-to-use-ipv6-method]
  apt-get -o Acquire::ForceIPv4=true update

* Find files not in package [https://unix.stackexchange.com/a/256334/235563]
 (   export LC_ALL=C;   comm -23 <(find /etc/init -xdev -type f | sort)            <(sort -u /var/lib/dpkg/info/*.list); )

== Postfix ==
* checking the mail queue:
   mailq
   postcat -q <queueid>
   To Delete:  postsuper -d <queueid>