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system administration

HowTo: Check RAM Size In Ubuntu Linux

How do I check amount of RAM in my Ubuntu Linux laptop or desktop system/server using GUI and command line tools?
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Ubuntu Uninstall deb Package

How do I uninstall deb packages under Ubuntu Linux using GUI or CLI (command line) methods?
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Q. How do I upgrade my server system from Ubuntu hardy heron version 8.04 to Ubuntu Linux server 8.10 Intrepid Ibex over ssh session?
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Q. How do I upgrade my desktop computer from Ubuntu hardy heron version 8.04 to Ubuntu Linux 8.10 Intrepid Ibex?
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How to Update Ubuntu Linux

Q. How do I upgrade / update Ubuntu Linux to latest release or software such as 7.10 / Gutsy Gibbon?

A. Ubuntu 7.10 is the current version of the Ubuntu operating system. You can only directly upgrade to Ubuntu 7.10 ("Gutsy Gibbon") from Ubuntu 7.04 ("Feisty Fawn"). First apply all updates by Clicking System > Administration > Update Manager > Check Only apply updates

Once all updates installed, click on System > Administration > Update Manager > Check > A message will appear informing you of the availability of the new release
How to Update Ubuntu Linux
Click on Upgrade button > follow the on-screen instructions.

Ubuntu Linux: Upgrade Linux Kernel

Q. How do I upgrade my Linux kernel version under Ubuntu Linux 7.04 / 7.10?

A. You can use any one of the following method:
(a) Command Line Tools - apt-get

(b) GUI tool

apt-get command - Upgrade Linux Kernel

Open terminal and type the following commands:
$ sudo apt-get update
Now search kernel version:
$ apt-cache search kernel-image
Now install kernel by explicitly specifying version number:
$ sudo apt-get install linux-image-2.6.xx-yy-generic
Replace xx.yy with kernel version number. Reboot the system.

GUI tools

This is recommended method for most user. Click on System > Administration > Update Manager > Click on Check button > Apply all updates including kernel.

What is The Role Of the System Administrator?

Can you explain the role of the system administrator?
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