# remove third line
sed -i 3d

# insert line on beginning of a file
sed -i '1i MY_TEXT'

# String replace with sed
sed -i 's|STRING_FROM|STRING_TO|g' FILE
sed -i 's|[#]*param=[yes|no]*|param=yes|g' FILE

# add line to a file
sed -i '13i\YOUR_TEXT' FILE

# add line before last line
sed -i '$i test_line' /path/to/file

# search block
sed -n '/FOO/,/BAR/p' /path/to/file

# remove digits
echo $FOO | sed 's/[^0-9]*//g'

# remove blanks (trim)
cat FILE | sed 's/ */ /g'
# remove blanks and tabs
cat FILE | sed "s/[ \t][ ]*/ /g"

# write to file

<?php
$URL="http://www.panticz.de/sites/default/files/magento/back-button/styles.css";
echo $URL;
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";

$URL="http://www.panticz.de/sites/default/files/magento/back-button/back-button.view.phtml";
echo $URL;
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

mkdir -p ./app/design/frontend/default/default/template/catalogsearch/
cp ./app/design/frontend/base/default/template/catalogsearch/result.phtml ./app/design/frontend/default/default/template/catalogsearch/result.phtml
<?php
$URL="http://www.panticz.de/sites/default/files/magento/back-button/result.phtml.diff";
echo $URL;
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

mkdir -p ./app/design/frontend/default/default/template/page/
cp ./app/design/frontend/base/default/template/page/1column.phtml ./app/design/frontend/default/default/template/page/
<?php
$URL="http://www.panticz.de/sites/default/files/magento/back-button/1column.phtml.diff";
echo $URL;
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

Links
http://www.mxperts.de/zuruck-button-fur-die-produktansicht/

# run update
export DEBIAN_FRONTEND=noninteractive
LANG=en_US.UTF-8 sudo apt-get update -y && sudo apt-get dist-upgrade -y && sudo apt-get autoremove -y && sudo apt-get clean -y

# allow unauthenticated repository
apt-get update --allow-unauthenticated

# list updatable packages
apt list --upgradable

# view avaiable package version
apt-cache show wget
apt-cache madison wget

# install specific version
apt-get install package name=version
apt-get install wget=1.6

# install from specific repository
apt-get install -t squeeze-backports wget

# view available versions

create SSH key
ssh-keygen -q -b 4096 -f ~/.ssh/id_rsa -N '' -C "${USER}@$(hostname -f)"

Copy public key to server (/home/foo/.ssh/authorized_keys)
ssh-copy-id foo@example.com

show log
tail -f /var/log/auth.log
journalctl _COMM=sshd -f

# configuration
~/.ssh/config: user configuration
/etc/ssh/ssh_config: system-wide client configuration
/etc/ssh/sshd_config: system-wide server configurtion

http://www.panticz.de/SSH-server-enable-disable-password-authentication
http://www.panticz.de/ssh_pre-shared-key_authentication

goto line
:12 ENTER

search and replace
:%s/foo/bar/g

view hidden chars
:set list
:set nolist

reformat tabs to 4 spaces
:set tabstop=4 expandtab
:retab 4

# convert endline
:set ff=unix
:set ff=dos

# vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 textwidth=75

# quit
:q!
:qc

# include file
:r /path/to/file

Links
http://www.lagmonster.org/docs/vi2.html
http://vim.wikia.com/wiki/Search_and_replace

Tegra 250 Developer Kit
http://developer.nvidia.com/tegra/tegra-devkit-features

Downloads
http://developer.nvidia.com/tegra/downloads
http://ac100.gudinna.com/

# scratchbox
http://balau82.wordpress.com/2010/03/14/scratchbox-on-ubuntu/

# XBMC
http://forum.xbmc.org/showthread.php?t=59864
http://xbmc.svn.sourceforge.net/viewvc/xbmc/branches/
http://www.scratchbox.org/download/
http://trac.xbmc.org/browser/branches/arm-camelot/trunk
http://trac.xbmc.org/browser/branches/arm-camelot/trunk/README.armel
http://nv-tegra.nvidia.com/gitweb/

<?php
$URL="https://raw.githubusercontent.com/panticz/installit/master/install.netbeans.sh";
echo "wget $URL -O - | bash -";
echo "

";
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $URL);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
echo htmlspecialchars(curl_exec($c));
curl_close($c);
echo "

";
?>

# configure jdk
# echo netbeans_default_options="netbeans_default_options="--jdkhome" | sudo tee -a /opt/netbeans/etc/netbeans.conf
# Cannot find java. Please use the --jdkhome switch

Add git repository
https://www.youtube.com/watch?v=mzzAUEFS4vs
https://netbeans.org/kb/docs/ide/github_nb_screencast.html

OPTIONAL: install MySQL driver
sudo apt-get install libmysql-java

DEP: fix ubuntu locale settings for german
sed -i 's|en_US.UTF-8|de_DE.UTF-8|g' /etc/scim/global

DEP: disable compiz effects (Visual Effects (System > Preferences > Appearance > Visual Effects => none)
metacity --replace &

Fix bold fonts under Linux
sudo apt-get remove -y fonts-unfonts-core

Ansible role
git clone https://github.com/panticz/ansible.git /tmp/ansible
cd /tmp/ansible/
export ANSIBLE_ROLES_PATH=$(pwd)/roles
ansible-playbook -K /dev/stdin <Links
http://www.techytalk.info/netbeans-cannot-find-java-please-use-jdkhome-switch/ - HowTo (re)configure JAVA JDK
http://wiki.netbeans.org/NBPackagingPlan

# global system configuration
/etc/gnome/defaults.list

# user configuration
#~/.local/share/applications/defaults.list
~/.local/share/applications/mimeapps.list

sed -i 's|totem.desktop|vlc.desktop|g' /etc/gnome/defaults.list

sudo sed -i 's|totem.desktop|vlc.desktop|g' /etc/gnome/defaults.list

image/x-psd=gimp.desktop

# Links
https://help.ubuntu.com/community/AddingMimeTypes
http://www.libre-software.net/change-the-default-application-ubuntu-linux
http://askubuntu.com/questions/289337/how-can-i-change-file-association-globally