My OperaDiagnosing live distribution boot problems
Wednesday, October 17, 2012 12:35:14 AM
Things I try to get live CDs and DVDs to boot on troublesome hardware.
Posts tagged with "diagnostics"
Testing your processor and cooling with cpuburn
Wednesday, September 26, 2012 5:38:19 PM
Cpuburn is is a set of programs that load x86 processor cores as heavily as possible for system testing. Instructions are run to maximize heat production, putting stress on the processor itself, the cooling system, the motherboard (especially voltage regulators), and power supply.
Diagnosing LAMP application problems
Sunday, January 23, 2011 7:53:44 PM
A few tips for diagnosing problems with your LAMP application.
Reviewing Windows log files
Thursday, January 13, 2011 2:14:47 PM
Windows has a number of logs that are useful for troubleshooting or making sure that all is in order.
Reviewing /var/log/messages
Wednesday, January 12, 2011 10:25:28 PM
The log /var/log/messages shows most system messages, and as such it is useful for debugging all sorts of problems.
Reviewing the Xorg.0.log
Thursday, December 30, 2010 10:40:14 PM
The Xorg.0.log shows the messages of the most recent start of the Xorg server, which provides graphics on most Linux systems. As such it is useful for debugging all sorts of graphics problems. Its messages can be cryptic to the uninitiated, so this article documents those messages that stumped me and what they mean.
Reviewing dmesg
Thursday, December 30, 2010 4:02:54 PM
Dmesg logs the messages of the most recent boot, and as such it is useful for debugging all sorts of problems. Its messages can be cryptic to the uninitiated, so this article documents those messages that stumped me and what they mean.
Fixing a damaged filesystem
Wednesday, May 12, 2010 12:18:01 AM
Occasionally I come across a damaged filesystem due to an unclean shutdown. Most are easy to fix with a live distro.
Testing RAM with Memtest86+
Wednesday, March 24, 2010 11:26:04 PM
Memtest86+ stress tests a computer's random access memory (RAM) for errors. Easy to run, it is one of the first diagnostic tools I use when facing a problem of unknown origin.
Removing viruses with KlamAV
Wednesday, March 24, 2010 1:09:12 AM
I've always thought that removing viruses from within a running Windows system makes about as much sense as a surgeon trying to remove his own appendix. Better to boot the computer into a live Linux installation, mount the Windows partition, and scan it that way.
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