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 ).

GCC: Linux gnu/stubs-32.h: No such file or directory

by on March 19, 2013 · 1 comment

I have Debian / Ubuntu Linux. I need to compile software written in C. The gcc throwing an error that read as follows:

gnu/stubs-32.h: No such file or directory compilation terminated. make: *** [foo.o] Error 1

How do I fix this problem under Debian or Ubuntu Linux 64 bit system and compile apps using gcc compiler?

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Ubuntu Linux: Concatenate Text Files Command

by on February 21, 2013 · 0 comments

How do I concatenates the text files called first.doc and second.doc and writes the result to final.doc under Ubuntu Linux operating systems?

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Ubuntu / Debian: Restart Named Service Command

by on January 27, 2013 · 0 comments

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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Ubuntu / Debian Linux: Install and Setup TFTPD Server

by on December 1, 2012 · 5 comments

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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Ubuntu / Debian Linux: Setup An ISC DHCP Server For Your Network

by on November 28, 2012 · 6 comments

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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Ubuntu Linux: Disable Apparmor For Specific Profile / Service Such As Mysqld Server

by on November 20, 2012 · 1 comment

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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Ubuntu Linux Add Static Route

by on October 25, 2012 · 4 comments

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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