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Memory Tester
The most critical part of a Computer is RAM. Very common problem which
I have faced for defected RAM is Segmentation-Fault
in Linux. I can remember that long back when I was a MS Window user then
Hardware Technicians suggested me to run heavy Screen Savers/VCD/Games for
long time as these could point out any problem in the RAM. More over there
are some specific softwares to check it though I have doubt about their
efficiency. In the world of Linux there are two very tough RAM tester.
memtest is a command line tool to test
the memory.
memtest86+ runs at computer boot-up,
so that it can test ALL memory.
memtest allows to test memory within Linux, but this one won't be able to
test whole RAM properly. memtest86+ can output a list of bad RAM regions
usable by the BadRAM kernelpatch, so that one can still use the old RAM
with one or 2 bad bits.
Here is the grub configuration I use to check my RAM at boot-up
title
RAM-TESTER
root
(hd0,1)
kernel
/boot/memtest86+.bin
memtest86+ tests RAM through a number of different patterns and for a number
of times. So default checks needs really HUGE time. But checking in a
specific way is also possible.
Kernel
Compilation process itself is a Good Ram tester
gtkdiskfree
A light and fast GTK based disk information system including used/free/file-system-type etc.etc.. Can mount/umount too.
usbview
very little and handy GUI tool to show USB information
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