The gpg utility for Linux is used to create public and private key pairs to encrypt files for secure transmission over the Internet. To initialize this utility; run this command. [email protected] ~ $ gpg –gen-key gpg (GnuPG) 1.4.14; Copyright (C) 2013 Free Software Foundation, Inc. This is free software: you are free to change and …

How to unzip files into a specific directory on your system. Just type the unzip command like this: unzip [zipfile.zip] -d [directoryname] [email protected] ~/Downloads $ unzip gzdoom-bin-1-8-02.zip -d myfolder/ Archive: gzdoom-bin-1-8-02.zip inflating: myfolder/fmodex.dll inflating: myfolder/gzdoom.exe inflating: myfolder/brightmaps.pk3 inflating: myfolder/gzdoom.pk3 inflating: myfolder/lights.pk3 inflating: [email protected] ~/Downloads $ unzip gzdoom-bin-1-8-02.zip -d myfolder/ Archive: gzdoom-bin-1-8-02.zip inflating: myfolder/fmodex.dll inflating: myfolder/gzdoom.exe …

There is a very useful posting here: http://rationallyparanoid.com/articles/ubuntu-10-lts-security.html That gives many useful tips on how to secure your Ubuntu distribution during installation and how to properly configure it afterwards. There are tips on setting the title-bar buttons back to the right of the window and how to properly re-enable the root user.