Best of Technical Support Various Issue #55, November 1998 Our experts answer your technical questions. Execution Trouble I use Red Hat 5.0. When I try to execute files in a current directory, I get a “command not found” error even though the file exists and is executable. What is going on? —A. Roychowdhury UNIX, like DOS and MS Windows, uses ...

Bill Schongar Issue #55, November 1998 Tcl/Tk offers many uses to the web programmer. Mr. Schongar describes a few of them. While many people think of Tcl/Tk (Tool Command Language, pronounced “tickle”; Tk stands for TCL toolkit) as a great tool for cross-platform GUI (graphical user interface) applications, not as many consider it for web programming tasks. The truth is, ...

Cees de Groot Issue #55, November 1998 A brief overview of the latest SGMLtools is presented by one of its developers. In the October 1995 issue of LJ, Christian Schwarz presented a short overview of Linuxdoc-SGML as it stood then: a complete, out-of-the-box package that gave and still gives authors a chance to write once and present anywhere. From flat ...

Andrew Kuchling Issue #55, November 1998 XML has been attracting a lot of attention recently. This article provides a five-minute overview of XML and explains why it matters to you. The Standard General Markup Language is about two decades old. SGML was originally designed for processing large documentation sets, but SGML is neither a programming language nor a text formatting ...

Russell C. Pavlicek Issue #55, November 1998 Apache and Linux make the task simple. On a recent project, I was busily working on my Linux workstation while a nearby coworker was attempting to install a well-known web server on a popular operating system. As the day wore on, his frustration grew. By the end of the day, he had most ...

Reza Naima Issue #55, November 1998 How to add a powerful graphical user interface to Perl scripts As you have seen in various recent issues of Linux Journal, the Xforms library allows you to add a powerful GUI to your C or C++ programs using a simple, intuitive API. The functionality and elegance of Xforms GUI is comparable to Motif’s, ...

Best of Technical Support Various Issue #54, October 1998 Our experts answer your technical questions. Authentication Failure When I use Netscape from a Windows 95 PC to access my Linux 5.0 mail server, I get a prompt (as I should) for my login and password. However, when I type my password (or login) wrong, authentication fails and the server won’t ...

Chris DiBona Issue #54, October 1998 A new and fun way to positively promote Linux. When Sam Ockman’s notice hit Slashdot (http://www.slashdot.org/) at 6:21PM, it read: The 500 members of SVLUG are going to have a big rally tonight at the largest/most prestigious computer store in Silicon Valley, Fry’s, when they stay open until 1AM to distribute Windows 98. We’re ...

LJ Interviews Robert Dinse of Eskimo North Marjorie Richardson Issue #54, October 1998 Some background on the ISP and its switch to the Linux platform.               A lot of rumors have been circulating about the Internet service provider (ISP) Eskimo North (http://www.eskimo.com/) converting totally to Linux. I decided it was time to talk to ...

Nick Bailey Issue #54, October 1998 Sculptor is a set of audio tools for Linux that manipulates spectra in real time and provides continuous audio output. Computer music in some respects places extreme demands on operating systems, especially now that inexpensive desktop platforms have enough raw processing power to perform relatively complex signal processing tasks in real time. Shared memory ...