Category Archives: Fedora

Free Software client for Cisco VPN

Several years ago I tried to get a Linux system to connect to a Cisco VPN concentrator. There is a proprietary Cisco client for Linux, but it uses a closed-source kernel module, and I an not willing to use such … Continue reading

Posted in Fedora, Linux | Leave a comment

Sprint Mobile Broadband (EV-DO)

I finally decided to get a cellular data service, Sprint Mobile Broadband (EVDO). Short summary: I’ve only tried using it at my office so far, but the performance is great. I’m getting over 500 Kbps downstream, with round-trip ping times … Continue reading

Posted in Customer satisfaction, Fedora, Hardware | 3 Comments

FreeNX

I just tried using FreeNX instead of X port forwarding with SSH. The problem with X port forwarding is that if your SSH connection dies for any reason, you lose your X session. You can use the ‘screen’ program inside … Continue reading

Posted in Fedora, NX | 2 Comments

New server performance problems fixed by rebooting

The ssh problem I reported a little while ago was actually a general network performance problem affecting all TCP connections to non-local hosts. Rebooting the server fixed that problem and the WordPress problem. I don’t understand what was wrong, nor … Continue reading

Posted in Fedora | 2 Comments

Bizarre ssh server slowness on Fedore Core 5

If I ssh from home or work to my new colo server running Fedora Core 5 (64-bit), the input side of the ssh session is painfully slow. If I type command lines fast, they echo back very slowly, one character … Continue reading

Posted in Fedora | 3 Comments

WordPress on new system

I moved this blog to a new system, which has a more up-to-date versions of all the software. It still basically works, but is really slow, despite running on a faster computer. All of the other services running on the … Continue reading

Posted in Fedora, Wordpress | Leave a comment

SELinux, Postfix, and Mailman

Some time back I set up a new server machine running Fedora Core 4 x86_64, with Postfix as the MTA, and with the Mailman mailing list manager. I have a very slightly nonstandard Postfix setup, with recipient_delimiter set to a … Continue reading

Posted in Fedora, Mailman, Postfix, SELinux | Leave a comment

Setting up a Xilinx FPGA development system

I’ve been trying to use the latest Xilinx FPGA development software (Foundation ISE 7.1i) under Linux. It’s been a huge hassle getting it set up, but it’s finally working. Unfortunately Xilinx only officially supports Red Hat Enterprise Linux 3, which … Continue reading

Posted in Fedora, FPGA | 9 Comments

Video card woes, continued

I installed Fedora Core 4 Test 2 in a spare partition to see if the supplied X server would solve the Radeon 9200 16-bit/24-bit problem. No dice. Ended up installing a Radeon 9550SE card instead, which works OK.

Posted in Fedora, Hardware, X11 | Leave a comment

Can’t statically link with GTK+ in Fedora Core 1

I wanted to build a staticly linked CASMSIM binary for use on a system that doesn’t have all of the necessary packages installed. It appears that in Fedora Core 1 the GTK+ 2.2 and GDK 2.2 packages don’t come with … Continue reading

Posted in Calculators, Fedora, Nonpareil | Leave a comment