Posts tagged as:

linux

Getting around Comcast port 25 block

8 March 2009

Comcast started blocking outbound port 25 on my cable modem yesterday. I can understand why — it stops a lot of infected machines from spamming the world. But it also broke the ability of my security webcam from sending me pictures to my server whenever it detects movement, and the cam firmware has no option [...]

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Personal VOIP/PBX using Asterisk, part 2

19 January 2009

This is part two of my series on how to set up an asterisk server for home use on a Linode VPS — but is applicable to any host that doesn’t have additional hardware telephony devices installed in the server. Please refer to Part 1 for how to set up the dummy timing module. Also, [...]

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Personal VOIP/PBX using Asterisk, part 1

11 January 2009

Background Voice over IP is simply placing phone calls over the Internet instead of traditional phone lines. This means the calls are usually cheaper, but not free in many cases since often the telco lines have to get involved at some point to either originate or terminate a call. However, true voip calls are almost [...]

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Rescaning SCSI bus for SAN disk adds

7 August 2005

This should not have been as difficult to do as it was. Simple concept, add disks and hence LUNs to the scan, and you want to use them on your host without having to umount all disks and reload the scsi driver. There’s a script to rescan the scsi bus from a website that automates [...]

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Moving data with mirrors

3 August 2005

The main data volume on the system at work ran out of PEs due to the old default PE size of 4 MB and 64k of PEs being in the volume group. There’s no way to change that without recreating the volume group, and blowing away everything. So I have to move the 250 gigs [...]

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