Best of Technical Support

Our experts answer your technical questions.
Using Control Panel

You need to use the control panel. It is an X-based set of utilities. The control panel will start automatically if you do a startx as root, or you can do a su, set your DISPLAY environment variable, and then run control-panel. In particular you want to run the Network Configurator (netcfg) and possibly the Kernel Configurator —Donnie Barnes, Red Hat Software

Changing g++ Filenames

How can I change the name of the output file after compiling my source code with g++? I don't have the manual entry for this command. —Kennie Jose Cruz

Renaming Executables With -o

To change the name of an executable created by g++ or gcc, use the following command: —Rafael Rodrigues Obelhei

Info Files and Man Pages for gcc

You can find this information in the gcc info files which should be accessible by typing info gcc, or in a shorter version by typing —Ralf Stephan

Keeping Track of Version Changes

Where can I find out what changed between Linux kernel versions? —Koen Rosseau

The Kernel Change Summary

Check out the Kernel Change Summary at This covers the 1.3, 2.0, and 2.1 series kernels. —Matt Hartley

Xterm Error Message

When trying to run xterm under X, I get the error message no ptys available. I have used Slackware in the past and have never had a problem with xterm before. —Thomas Granger

Restoring Device Files

Most likely some of your pty device files got messed up. Check in /dev and restore them with mknod or —Bert Vermeulen

Finding bootp

Where do I find a bootp server software and directions on how to install it? —Carl Fritch

Check Man Pages

Any Linux distribution should come with a bootpd (probably either /usr/sbin/bootpd or /usr/sbin/in.bootpd) and a man page for it. —Steven Pritchard, Southern Illinois Linux Users Group


One Click, Universal Protection: Implementing Centralized Security Policies on Linux Systems

As Linux continues to play an ever increasing role in corporate data centers and institutions, ensuring the integrity and protection of these systems must be a priority. With 60% of the world's websites and an increasing share of organization's mission-critical workloads running on Linux, failing to stop malware and other advanced threats on Linux can increasingly impact an organization's reputation and bottom line.

Learn More

Sponsored by Bit9

Linux Backup and Recovery Webinar

Most companies incorporate backup procedures for critical data, which can be restored quickly if a loss occurs. However, fewer companies are prepared for catastrophic system failures, in which they lose all data, the entire operating system, applications, settings, patches and more, reducing their system(s) to “bare metal.” After all, before data can be restored to a system, there must be a system to restore it to.

In this one hour webinar, learn how to enhance your existing backup strategies for better disaster recovery preparedness using Storix System Backup Administrator (SBAdmin), a highly flexible bare-metal recovery solution for UNIX and Linux systems.

Learn More

Sponsored by Storix