Author Archives: morsing

NDB – Network Block Device setup

I have been trying to setup NBD to present a shared storage device for me to play around with Xen live mobility. NBD is not tricky, but the documentation, both official and Google, is flawed and confusing. To get a … Continue reading

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NIM alt_disk_migration and p6 processor mode

I was trying to do a NIM alt_disk_migration on a POWER7 LPAR form AIX 7.1 to 7.2 but the nimadm scripts kept stalling, but without outputting anything interesting, even in debug mode. In the end I gave up and tried … Continue reading

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Updating fileset in lpp_source on NIM

If you update your NIM server to a new TL level and you do alt_disk migrations from this NIM server on client servers on lower levels, you need to update the bos.alt_disk.boot_images fileset in both the LPP sources and SPOTs … Continue reading

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Only shadow left after exiting sketch in SolidWorks

After upgrading SolidWorks to 2020/21, leaving a sketch left only the shadow on the ground. Hovering the mouse would still show plane outlines in orange though. It turned out to be caused by a graphics performance setting. Disable “Enhanced graphics … Continue reading

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X11 Forwarding problems

Trying to debug and simultaneously trawling Google for a non-trivial version of this issue: $ xclockX11 connection rejected because of wrong authentication.X connection to localhost:10.0 broken (explicit kill or server shutdown). I finally cracked it. This was from the outset … Continue reading

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When you “can’t” delete a user in MacOS

Or “How to get rid of the first user ever created”, this is about getting dscl error 14120 when trying to delete a user. I bought a second hand Mac mini which came re-installed but with a user called “User”. … Continue reading

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Update Windows System Partition to point to new install

I cloned an SSD disk to a bigger disk using EaseUS Todo Backup, not realising I really needed their Partition Master software. All their software is pretty awesome by the way. When I tried to boot from the cloned disk, … Continue reading

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VI changing to lowercase

I don’t know why I can never remember this one, but here it is for reference: :%s/.*/\L& .* = Match line& = What was matched No need for /g as .* already matches the line, and .* if faster than … Continue reading

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Can’t bosboot on Veritas cluster

I had an AIX Veritas cluster using DMP disk paths which couldn’t run bosboot or much else. Rootvg seemed locked down. The two commands below fixed it. vxdmpadm native enable vgname=rootvg vxdmpadm native release followed by: vxdmpadm native aqcuire These … Continue reading

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Zoneminder upgrade

I recently had to upgrade from Debian Sid to Buster and this seemed to break Zoneminder. The first problem was both PHP 7.0 and 7.3 were now installed and Apache was using 7.0 still. This made going to the Zoneminder … Continue reading

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