If you need to provide some custom ssh key while cloning your repository from github (or pulling, whatsoever), run this command: ssh-agent $(eval `ssh-agent -s`; ssh-add ~/.ssh/{your-custom-keyfile}; git clone git@github.com:{username}/{repo-name}.git .) Please note, you should replace {strings} with plain string values!
This is a YAP (yet another post) about how one can manually install Oracle’s proprietary JDK/JRE version (in Debian 7.0 Wheezy as an example). First of all, download fresh version of JDK/JRE from the Oracle website. Copy archive to desired location, in the following example we will use /usr/lib/jvm as an installation source directory. Unpack the archive and run next commands: sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk/bin/java 1071 sudo update-alternatives --install /usr/bin/javac javac /media/mydisk/jdk/javac 1071 sudo update-alternatives --install /usr/bin/jcontrol jcontrol /media/mydisk/jdk/bin/jcontrol 1071 You may need read man pages for update-alternatives to check out the parameters and what they mean. ...
If you need have superuser access to PostgreSQL via command line psql utility, create needed username first: sudo -u postgres createuser NEEDED_USERNAME You will be asked whether role should be a superuser: Shall the new role be a superuser? (y/n) answer “Y” (yes) if so and hit Enter. Now you allowed the NEEDED_USERNAME to access databases as a superuser via psql.