Category Archives: Linux

Creating bootable USB media from ISO image

I’ve found lots of reverences to using livecd-iso-to-disk from the livecd-tools package to create bootable USB media from an ISO image (or for a DVD, quite possibly a UDF image, but the principle is the same). However, most of the … Continue reading

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Building EPEL6 packages that use Qt 4

I’ve been trying to build an EPEL 6 package (for Red Hat Enterprise Linux 6, Centos 6, etc.) of Meshlab, for which I already have a Fedora package.  The latest challenge is that the Koji build server is trying to … Continue reading

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Linux group management

The conventional wisdom has it that if you add a user to a group in a Linux (or Unix) system, the user will have to log in again for the new group membership to take effect.  Using the “newgrp” command, … Continue reading

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misc. hints on debugging Linux power management

Dump BIOS DMI table: dmidecode Dump devkit power status:  devkit-power –dump or upower –dump Enable power manager debugging, useful before suspend:  echo 1 >/sys/power/pm_trace look at log file: /var/log/pm-suspend.log

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misc. Linux notes

Things I’ve learned today that I’ll probably need to know later, after I’ve had a chance to forget them: GNOME 3 was designed by idiots for idiots.  They’ve tried to make it completely drool-proof, and in the process made it … Continue reading

Posted in Fedora, Linux | 1 Comment

USB tethering an Android phone to an OpenWRT router

Now that I’ve got OpenWRT 10.03 “Backfire” running on my DIR-825, I decided to take advantage of the new USB tethering feature of Android 2.2 “Froyo”.  I connected my Nexus One phone to the USB port of the DIR-825, and … Continue reading

Posted in Android, OpenWRT | 8 Comments

Installing OpenWRT 10.03 “Backfire” on a DIR-825

I did a fresh install of the jffs2 build of Backfire on a D-Link DIR-825.  I could have used the squashfs version, and have done that in the past, but using the jffs2 build makes it easier to use an … Continue reading

Posted in OpenWRT | 1 Comment

More trouble with Radeon HD 2600 Pro AGP

When I posted Dual Head on Fedora 11 last night, I thought I had the problem completely solved, but when I booted the system this morning, the video card was acting up again.  There were lots of black horizontal streaks … Continue reading

Posted in Fedora, X11 | Leave a comment

Dual-head on Fedora 11

I finally have a working dual-head configuration on Fedora 11 with a Radeon 2600 Pro AGP card and two LCD monitors.  The ATI Catalyst (fglrx) binary-only driver is crashing again; I think they’ve had a regression in their AGP support … Continue reading

Posted in Fedora, X11 | 1 Comment

Suboptimal fonts after Fedora 9 upgrade

Update:  I upgraded one of my machines from Fedora 7 to Fedora 9, and it started using tiny fonts.  Tom Horsley on the Fedora list explained that now the X server is actually using the display resolution (dots per inch) … Continue reading

Posted in Fedora, The Suboptimal Way, X11 | 5 Comments