Generally, I recommend using gconf-editor ~ a tool used for editing the GConf configuration database (Gnome settings). You can always edit configuration files. Many new Linux users find it difficult to use both gconf-editor and text files.
To make your life easier and to save time try out new Ubuntu Tweak software. It is designed to configure Ubuntu easily using GUI tools. It provided many useful Ubuntu desktop and system tweaking options such as:
=> View Basic System Information
=> GNOME Session Control
=> Show/Hide and Change Splash screen
=> Show/Hide desktop icons or Mounted Volumes
=> Show/Hide/Rename Computer, Home, Trash icon or Network icon
=> Tweak Metacity Window Manager's Style and Behavior
=> Compiz Fusion settings, Screen Edge Settings, Window Effects Settings, Menu Effect Settins
=> GNOME Panel Settings
=> Nautilus Settings
=> Advanced Power Management Settings
=> System Security Settings and much more
$ cd /tmp; wget http://ubuntu-tweak.googlecode.com/files/ubuntu-tweak_0.2.4-ubuntu2_all.deb
$ sudo dpkg -i ubuntu-tweak_0.2.4-ubuntu2_all.deb
$ ubuntu-tweak &
(Fig. 01: Ubuntu Tweak in Action)
Bruce Byfield has published an interesting article on Linux.com:
For years, discerning Windows users have relied on Tweak UI, a semi-official Microsoft program for system settings not available on the default desktop. Now, in the same tradition and with something of the same name, Ubuntu Tweak (UT) offers the same advantage to Ubuntu users. Currently at version 0.2.4, for now UT is limited to features for GNOME and focuses mainly on changing default desktop and system behavior and how GNOME interacts with your hardware, but this small feature set is more than enough for proof of concept.
Download Ubuntu Tweak Software
=> Grab Ubuntu Tweak here (via Linux.com).
NetBSD 4.0 has been released. It is available for download now. . NetBSD is a free, secure, and highly portable Unix-like Open Source operating system available for many platforms, from 64-bit Opteron machines and desktop systems to handheld and embedded devices. Its clean design and advanced features make it excellent in both production and research environments, and it is user-supported with complete source. Many applications are easily available through pkgsrc, the NetBSD Packages Collection.
Major achievements in NetBSD 4.0 include support for version 3 of the Xen virtual machine monitor, Bluetooth, many new device drivers and embedded platforms based on ARM, PowerPC and MIPS CPUs. New network services include iSCSI target (server) code and an implementation of the Common Address Redundancy Protocol. Also, system security was further enhanced with restrictions of mprotect(2) to enforce W^X policies, the Kernel Authorization framework, and improvements of the Veriexec file integrity subsystem, which can be used to harden the system against trojan horses and virus attacks.
Download NetBSD ISO CD
=> Visit official site to grab NetBSD 4 ISO images [i386 - 242M]
=> Announcing NetBSD 4.0
You may wonder - why should I shutdown the Linux box automatically? It depends upon your situation. For example, you are downloading couple of tar balls and you want to go home early. You can schedule a job to shutdown Linux after downloading is completed. Linux/UNIX/BSD/OS X comes with at and cron commands to automate task. Almost all common task can be automated using at command.
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