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 ).

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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I‘ve got a spare USB Wireless Adapters (WIFI adapter/dongle) and my ISP router does not support wireless option. How do I turn my home nas server into a wireless access point (WAP) that allows wireless devices to connect to a wired network using Wi-Fi under Debian or Ubuntu Linux operating systems without purchasing additional WPA box?

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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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How do I find out in which groups Ubuntu Linux users belong to? How do I find out Ubuntu Linux group membership for a particular user named tom?

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I am a new Ubuntu Linux user and purchased a laptop from Dell with per-installed Ubuntu operating systems. How do I find the Linux kernel version and Ubuntu release version using the terminal application?

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How do I install and configure NFS version 4 server under Debian or Ubuntu Linux server operating systems using host-based authentication?

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