= Sammlung von Ubuntu Befehlen =
<<TableOfContents()>>
== Software unter Ubuntu ==
 * thunderbird
  * Pakete: thunderbird, thunderbird-locale-de
  * Add-ons: http://sogo.nu/download.html#/frontends
   * lightning (since last few versions, it is included in thunderbird)
   * SOGo Connector
   * SOGo Integrator
 * Chrome
 * jitsi
  * Version: jitsi_2.8.5426-1_amd64.deb (stand 9.3.2016)
 * '''TeXstudio'''
 * Seafile
 * [[IntelliJ IDEA]]
 * Dropbox
 * gimp
 * skype
  * http://ubuntuhandbook.org/index.php/2015/10/install-skype-4-3-ubuntu-15-10/
  * https://wiki.ubuntuusers.de/Skype/
 * git

=== Programm Languages ===
 * java8
  * Installing Java 8 on Ubuntu
  {{{
 sudo add-apt-repository ppa:webupd8team/java
 sudo apt-get update
 sudo apt-get install oracle-java8-installer
 }}}
  * Configuring Java8 Environment
    In Webupd8 ppa repository also providing a package to set environment variables, Install this package using following command.
  {{{
 sudo apt-get install oracle-java8-set-default
 }}}

 * python
 {{{
sudo aptitude install python-pip
}}}
 * nodejs https://nodejs.org/en/download/package-manager/ (aktuell ist 6.3.0 ; Stand: 2016-07-13)
 {{{
curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
sudo apt-get install -y nodejs
}}}

== Konfiguration ==
=== System Settings ===
 * Multiple workspaces, with the following two simple comands you can activate and configurate compiz. Arrangements of virtual desktops can be adjust with hsize (horizontal) and vsize (vertikal):
 {{{
gsettings set org.compiz.core:/org/compiz/profiles/unity/plugins/core/ hsize 4
gsettings set org.compiz.core:/org/compiz/profiles/unity/plugins/core/ vsize 1
}}}
 * Alternative there is gui tool: unity-tweak-tool
 {{{
sudo apt-get install unity-tweak-tool
}}}

=== Drucker/ Printer ===
 * download and extract to Downloads
 ftp://ftp.dell.com/printer/Dell-5130cdn-Color-Laser-1.3-1.noarch.rpm
 * or use [[attachment:Dell_5130cdn.ppd]]
 * open printer-window -> New printer -> Network Printer -> find Network Printer -> enter current IP-address of printer (if it is not in same subnet as your laptop) -> press Find -> Choose IPP (xxx.xx.xxx.xx) -> press Forward -> provide PPD file -> choose your extract ppd file -> choose '''2-Tray option''' and finish installation with a test page

=== Verwalten von ppa/ Management of ppa ===
 * eine kleine Geschichte zu ppa:  https://ikhaya.ubuntuusers.de/2006/11/20/eine-kleine-geschichte-ueber-fremde-paketquellen/ 
  Short story about ppa in German.

==== Hinzufügen/ add ====
 . {{{
sudo add-apt-repository ''ppa:benutzer/paketname''
}}}
  * Beispiel für java8: sudo add-apt-repository ppa:webupd8team/java
 {{{
sudo apt-get update
}}}
 oder
 {{{
sudo aptitude update
}}}
 {{{
sudo apt-get dist-upgrade
}}}

 * Installieren von software per commandline:
 {{{
sudo aptitude install ProgrammName
}}}

==== Entfernen/ remove ====
 . {{{
sudo ppa-purge ''ppa:benutzer/paketname''
}}}

==== Anschauen von FremdPPAs/ checking foreign ppas ====
 . {{{
find /etc/apt -name „*\.list“ -exec grep -v „\s*#“ ‚{}‘ \; | grep -v „deb-src“ | grep -Piso „ppa.launchpad.net/[^/]+/[^/ ]+“ | sed -r ’s~^ppa.launchpad.net/~ppa:~‘
}}}

==== Probleme mit google PPA: ====
 . {{{
sudo sed -i -e 's/deb http/deb [arch=amd64] http/' "/etc/apt/sources.list.d/google-chrome.list"
}}}

==== PPA - list ====
 . {{{
indicator-multiload/stable-daily  - paket: indicator-multiload
ppa:mozillateam/thunderbird-next
}}}

=== SSH -key ===

==== Generieren eines SSH-keys ====
 . {{{
ssh-keygen -t rsa
}}}
Ausgabe : 
 . {{{
Enter file in which to save the key (/home/demo/.ssh/id_rsa):
}}}
Mit Enter wird eine Datei id_rsa im Verzeichnis .ssh erstellt.
 . {{{
Enter passphrase (empty for no passphrase):
}}}

==== Public key auf server kopieren ====
 . {{{
cat ~/.ssh/id_rsa.pub | ssh user@123.45.56.78 "mkdir -p ~/.ssh && cat >>  ~/.ssh/authorized_keys"
}}}