Linux

Converting crt to PEM

ByEtzion 04/10/2006

Took two steps:

openssl x509 -in input.crt -out input.der -outform DER

openssl x509 -in input.der -inform DER -out output.pem -outform PEM

Linux

Microphone loops to speakers, but cannot be used for recording
ByEtzion 20/02/2007

Ali5451, with module (Alsa) snd_ali5451 works fine for a long while now. However, I’ve discovered just a short while ago that it will not recored / use for SkyPE sound sourced from the microphone. I have tried various settings with alsamixer but was unable to record sound yet. I can hear the noises made well…

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Linux | Virtualization

USB Auto mapping to Windows VM under KVM does not work
ByEtzion 21/11/2018

Let me first say, that it does work for Linux guest. It doesn’t work on Windows guest because there is a know bug (/issue) with the default hardware layout – made of i440FX BIOS. VirtManager would not allow us to replace the settings, so we need to create the VM ourselves using XML. You can…

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bash | Disk Storage | Linux

Preventing AutoFS from slowing down the system
ByEtzion 15/04/202415/04/2024

I am using autofs (or automout) to handle shares presented on an NFS server I am using. When I am not home, or when the server is inaccessible, I do not want to be delayed by autofs failure to mount. This failure could take a long while, causing Autofs delay mount. During that time –…

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General Hardware | Linux

RHEL 4 32bit on Tyan Thunder K8QE
ByEtzion 09/09/2006

It’s sort of a relationship between myself and this Tyan. Same server, changing demands. This time, we’ve had to install on this server RHEL4 32bit. Net-installing RHEL4 Update 3 was impossible. See here, so we’ve installed it from CDs (didn’t have PCI-X network card handy). When booting the server, it showed us only a single…

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bash | Linux

Logging of interactive user sessions to rsyslog
ByEtzion 27/01/202327/01/2023

History file is a great source of information, either if you do not remember your past actions, or if you are not a single administrator of a system, and you need to figure out what has been performed on it in the past. Unfortunately, history is not a very reliable source of information – the…

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Disk Storage | Linux | Scripting/Programming

MySQL permissions for LVM Snapshots
ByEtzion 23/10/2008

aking LVM snapshots as a mean of backing up MySQL is rather simple, as can be described here. However, if you are into security, you would strive to grant minimal permissions for the action to the MySQL user. Per MySQL Documentation, the required privileges is “RELOAD”. That should be enough, granted on *.*, of course….

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