Linux Support

Best of Technical Support Various Issue #57, January 1999 Our experts answer your technical questions. umask Trouble I’m trying to use umask to set permissions in a directory, but it doesn’t allow me to set execute. I use umask a=rwx and when I create a new file the permissions are -rw-rw-rw-. Can you give me a quick explanation of this ...

Best of Technical Support Various Issue #56, December 1998 Our experts answer your technical questions. PLIP or SLIP? Is there an easy way to connect my laptop running MS Windows for WorkGroups to my PC running Red Hat 5.0? Should I use PLIP, SLIP or something else? —Thomas Svanelind PLIP is probably the cheapest and simplest networking setup around (although ...

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 ...

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 ...

Various Issue #53, September 1998 Our experts answer your technical questions. HP and Matrox I have an HP Pavilion that comes with an on-board ATI video card. I now have a Matrox Mystic in the computer, and when I try to run X, I get the message “configured devices not found”. I think the HP is not recognizing the Matrox, ...

Various Issue #52, August 1998 Our experts answer your technical questions. Ethernet Module Destruction Why does running sndconfig get my Soundblaster 16 card recognized and up and running with the correct modules but destroys my Ethernet modules loaded by kerneld? I have tried both my Intel Ether Express and SMC Ultra cards (not at the same time) and the same ...

Various Issue #51, July 1998 Our experts answer your technical questions. Unfinished Boot When I try to boot, either from floppy or CD-ROM, my computer does a soft re-boot partway through the process. It doesn’t even make it to the screen which asks if you have a color monitor, although I suspect it gets close to that point. I’ve tried ...

Various Issue #50, June 1998 Our experts answer your technical questions. Multithread Applications Which library do I need to use for multithread applications? I found pthread.h in /usr/include/, but I didn’t find libthread.a in /usr/lib/ as I can in AIX. —Ju Rao Slackware There is an excellent threads library available called LinuxThreads. You can download the latest version from ftp://ftp.inria.fr/INRIA/Projects/cristal/Xavier.Leroy/. ...

Various Issue #49, May 1998 Our experts answer your technical questions. Viruses I would like to know what can be said about viruses in a Linux system which is installed on the same hard disk as Win95. For example, what can happen if a virus infects the MBR sector (where resides LILO) or if I mount an infected MS-DOS formatted ...

Various Issue #48, April 1998 Our experts answer your technical questions. Using ZIP Drive and Printer I want to use my ZIP drive as well as my printer with Linux. My friend suggested using kerneld to make modules of the ZIP drive and my printer so that I can load the ZIP drive, access it, then unload it to use ...