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How to Recover Corrupt jpeg and mov Files from a Digital Camera’s SDD Card on Fedora/CentOS/RHEL

Background

Have you ever had a digital camera SDD card get corrupt and become unreadable? Through the use of the handy tool photorec, all the files on the card can be recovered.

Installation

First you need to install photorec. It’s included in a package called testdisk. This package was available in the CentOS/RHEL epel repos as well as […] Continue reading

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Realtime statistics of your Linux system

If you wish to monitor your Linux system in realtime, use dstat. Use a man dstat to see a list of possible options, since they are extensive and dstat can output system usage, memory usage, load times, network information, NFS, therman, VMWare, CPU, sendmail and MySQL usage, among others.Try
dstat -tamn -M topcpu
where -tamn stand for […] Continue reading

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Make Ubuntu sleep instead of hibernate

One of the few things you can’t easily configure in Ubuntu is the option to make the computer sleep instead of hibernate when idle for X minutes. Here’s how to do it:
Press Alt+F2 and type gconf-editor then press Enter
Go to /apps/gnome-pow… Continue reading

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USB devices not mounting in Lucid? Here’s a fix.

If you are pestered by the bug that doesn;t let you mount USB devices in Ubuntu Lucid Lynx, the issue is caused by the floppy module. Disable it with
sudo modprobe -r floppy
and reboot.

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Change your MAC address in Linux

If you wish to change your MAC address in Linux, all you have to do is bring the interface down then use the hw ether switch:
ifconfig eth0 downifconfig eth0 hw ether 02:01:02:03:04:08ifconfig eth0 up

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Find out what RAM type you have in Linux

To check what RAM memory type yo have installed (and also see other useful information about your system), do a
sudo dmidecode
Depending on the version of dmidecode you have installed and the hardware configuration you have, each hardware device will have a certain type number assigned t it. On my machine, the RAM has type 6. […] Continue reading

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