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 ).

How do I restart named (Internet domain name server) from ISC using command line option under Debian or Ubuntu Linux server?

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How do I install and configure TFTP server under Debian or Ubuntu Linux server to configure networking equipment such as remote booting of diskless devices or remote loading of Unix like operating systems via PXE boot?

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How do I setup a DHCP server for my local area network (LAN) using Debian Linux 6 or Ubuntu Linux server running on my IBM hardware?

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AppArmor (“Application Armor”) is a security module for the Linux kernel and integrated into both kernel and Ubuntu Linux. How do I disable AppArmor protection for mysql profile / service under Ubuntu or Novell Suse Enterprise Linux?

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I‘ve two network interfaces. One connected to eth0 and another connected to eth1 as follows:


eth0 => private network with private IP in 10.x.x.x/8 range.
eth1 => ISP router with public IP 205.153.203.98 via 205.153.203.97.

How do I setup persistent static route so that 10.0.0.0/255.0.0.0 traffic route via 10.70.201.61 router only?

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I do not want to start ssh-agent and ssh-add as described here to manage my ssh keys for password less login. How do I install keychain software to manage my keys running on a Debian or Ubuntu based cloud server?

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How do I add a user to group under Ubuntu Linux operating system using command line options?

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