Phil Hughes Issue #37, May 1997 Every time you are running as root, you are taking a chance. With a little programming, you can decrease the need to be root and make your life a little safer. This article is more about ending a bad habit than serious programming. How many of you regularly become root to do some routine ...
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An Interview with DEC
David Rusling Jon Hall Issue #37, May 1997 David Rusling and Jon “maddog” Hall talk about Digital Equipment Corporation and the porting of Linux to the 64-bit Alpha. The Alpha port of Linux actually started on two fronts, one in the Littleton, Massachusetts offices of Digital Equipment Corporation, and one on a riverboat in New Orleans, Louisiana. The first front ...
Read More »Internet Servers in Perl
Mike Mull Issue #37, May 1997 In a sequel to his “Perl and Sockets” article in the March 1997 issue of Linux Journal, Mike Mull demonstrates how Perl can be used for the server end of a socket connection. In my previous article in Issue #35 of Linux Journal, I wrote about the socket library functions in Perl with an ...
Read More »Tcl/Tk with C for Image Processing
Siome K. Goldenstein Issue #37, May 1997 See how to use a mix of Tcl, Tk, and C to make image manipulation both easy and efficient. To start an implementation in C from scratch for an image processing (or manipulation) program is a difficult task. It is necessary not only to develop an internal data structure, but also to write ...
Read More »Linux Support – Setting Up An X Terminal
Various Issue #36, April 1997 Our experts answer your technical questions. Doubling Connection Speed I have heard that it’s possible to set up Linux to combine two analog modems into one so as to double the speed of a connection. Is this true? If so, how does this work and where can I get more information on how to do ...
Read More »Somebody Still Uses Assembly Language?
Richard Sevenich Issue #36, April 1997 Assembly language is a wonderful tool for teaching about how computers work. Professor Sevenich explains how it is used at WSU. In the core program for our computer science curricula we offer two assembly language courses as elements in that part of our sequence providing hardware emphasis. Although the students do learn to program ...
Read More »The /proc File System And ProcMeter
Andrew M. Bishop Issue #36, April 1997 You may rely on your electronic Rolodex to organize your life, but Linux uses the /proc file system. The /proc file system is a part of Linux that most people have not investigated deeply—perhaps may have never heard of. Like the kernel itself, it is a vital part of a Linux system. Yet ...
Read More »Creating Animations with POV-Ray
Andy Vaught Issue #36, April 1997 This article is an introduction to animation using Persistence of Vision ray tracing to create a mailbox that doesn’t just sit there. Silicon Graphics workstations come with a mail notification program called “mailbox”, that informs the window system user if any mail awaits. Instead of displaying a simple bitmap like the xbiff program, mailbox ...
Read More »Linux Support – Root Password Won’t Change
Various Issue #35, March 1997 Our experts answer your technical questions. Removing a Boot Manager How can I remove the boot manager from the master boot block of my hard disk? —Ralph Wu A Linux Solution A backup copy of your MBR is stored in /boot when first installing LILO. You can restore it with: dd if=/boot/boot.0300 of=/dev/hda bs=446 count=1 ...
Read More »Setting Up UUCP
Jim Hill Issue #35, March 1997 Does setting up UUCP scare the hell out of you? No more! Read on. Discovering the Internet in a college environment, I was always very casual about the time I spent on-line. Since I didn’t get a direct bill from the university, there was no reason to keep track of it. All that changed ...
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