Tag Archives: Sysadmin

capturing videos from your linux desktop

I recently had to produce some screencasts from my linux desktop and wasn’t able to find a “quick” solution for this “problem”. Of course, google is your friend, so here are two reasonable possibilities I found: recordMyDesktop [1]The most powerful utility I found, coming as a commandline tool and with qt and gtk frontends as Continue Reading →

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rescanning the connected SATA/SCSI devices

Once in a while I stumble upon the problem where I have to attach a SATA or SCSI device to a running Linux box and for some reasons (ie. the device or the interface is not hot plugging capable) it doesn’t get recognoized by the system. Now the solution is very simple, just tell the Continue Reading →

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Linksys/Cisco RVS4000: support madness

Trying to find further information about some problems we are facing with our Linksys/Cisco RVS4000 router, I stumbled upon this blog entry: http://www.dslreports.com/forum/r22733060-RVS-4000-Support-email-to-Cisco The poor guy tells his nightmare with Cisco/Linksys support regarding some problems with his RVS4000 router. Among other things, we are seeing exactly the same problems here as well, but obviously contacting Continue Reading →

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Debian+KVM: proxy_arp for individual ip adresses

In one of my older posts [1] I described how you can hide the MAC addresses of KVM virtualized guests living in a dedicated, externally reachable subnet. If however you don’t have a dedicated subnet from your hosting provider but only got only a small number of maybe segmented IP addresses instead of an entire Continue Reading →

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getting even more information about installed RAM

In a previous post [1] I wrote that the linux tool to find out details about RAM is dmideocde. I have, however, just learned that that is not always correct because it effectively relies on BIOS information that may be incorrect (buggy BIOSes are not too uncommon). So, as a plan B, if you don’t Continue Reading →

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