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Ubuntu HowTos and Guides

Tutorials, howtos, Q & A about most popular Linux distribution – Ubuntu Linux. Topic includes Ubuntu server security, installation, firewall, web-server, mail-server, proxy server and special focus on desktop users. ( rss feed ).

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 Linux: OpenSSH Change Welcome Login Message

How do I change Openssh welcome login message under Ubuntu Linux?
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How do I find out what kind of video card I have installed on my Ubuntu Linux desktop or laptop system?
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Ubuntu Linux: Compress files using tar Command

How do I compress and backup files using tar command to another directory on same computer or another Linux computer under Ubuntu Linux?
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I've root ssh access and need to add / delete a few IP address on fly using the IPtables command via local shell script. How do I add or delete an IP address remotely over the SSH session under CentOS / Redhat / RHEL / Debian / Ubuntu Linux?
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gedit: Add Python / C++ Autocomplete Support

How do I add Autocomplete support to gedit text editor under Linux Gnome desktop operating systems?
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Ubuntu Linux Save / Restore Iptables Rules

I want to make changes to an iptables configuration. How to do I Save and Restore an iptables Configuration in Ubuntu Linux server?
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