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category: Shell


Permissions error while using system MySQL folder and Docker

Recently I ran into a permissions issue when running MySQL in a docker container and using a local host’s directory with a restore of a MySQL. The fix for this is an easy one, once you know where to look.


Centos pip Python Install Error in pip-build-root

While attempting to install Thumbor on a CentOS server I recently had the following error message: ———————————————————— /usr/bin/pip run on Thu Sep 18 21:07:45 2014 Getting page URLs to search for versions for pycrypto in /usr/lib64/python2.6/site-packages: * Analyzing links from page Found link (from, version: 2.0.1 Found link (from […]

Recently came across a problem with one system authentication to another via ssh. I added the public ssh key to ~/.ssh/authorized_keys entry. Changed ownership to the proper user and also chmod 600 ~/.ssh/authorized_keys. Still no dice. Using ssh -vvvv the following error returned on pubkey authentication: debug1: Unspecified GSS failure. Minor code may provide more […]

I’ve been using the excellent fpm (Effing package manager!) tool for automatically generating rpms from source (for example, creating a custom compiled php-fpm binary and then wrapping it for install in an rpm for distribution from our own repository). FPM also creates .debs and other binaries as you need them. To ensure we have a […]

At home I have an (admittedly small) ZFS array set up to experiment with this neat newish raid technology. I think it has been around long enough that it can be used in production, but I’m still getting used to the little bugs/features, and here is one that I just found.

After figuring out that I had 2 out of 3 of my 1TB Seagate Barracuda hard drives fail, I had to give the array up for a loss and test out my backup strategy. Fortunately it worked and there was no data loss. After receiving the replacement drives in from RMA, I rebuilt the ZFS array (using raidz again) and went along my merry way. After 6 months or so, I started getting some funky results from my other drive. Thinking it might have some issue as with the others, I removed the drive and ran Seatools on it (by the way, Seatools doesn’t offer a 64-bit Windows version – what year is this?).

The drive didn’t show any signs of failure, so I decided to wipe it and add it back into the array to see what happens. That, of course, is easier said than done.

The hald – Hardware Access Layer Daemon – runs several processes in order to keep track of what hardware is installed on your system. This includes polling USB Drives and ‘hot-swap’ devices to check for changes along with a host of other tasks. You might see it running on your system as follows: 2474 ? […]

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