Category Archives: Uncategorized

Delays… Delays..

I’ve been working on a few Raspberry Pi projects, most of them in a headless configuration. While connected over SSH It was extremely annoying and slow. I’m running an Edimax wifi adapter and it kept hanging for 10+ seconds at … Continue reading

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South East Linux Fest 2015… I’m going.. Are you???

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I was sure you couldn’t change permission of a file without using /bin/chmod – I was wrong.

I recently got asked a question that I ‘m sure I had the right answer. What if someone changed the permissions of /bin/chmod and removed the execute bits? -r–r–r–. 1 root root 52472 Oct 15 2014 /bin/chmod You cant ‘execute’ … Continue reading

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Moving KVM images to FreeNAS

This morning I decided that the mirrored 146GB disks on my HP DL360 GL server was not going to give me enough working space to setup more than about 5 VMs.  I have about 4TB left on my FreeNAS Mini … Continue reading

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Too many open files….. Different with systemd

I had to address an issue recently of ‘too many open files’  on a Centos 7 host for a specific user.   In the past, pre systemd, it was easy to update /etc/security/limits.conf and just run sysctl -p, and the … Continue reading

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LinuxFest Northwest 2015

This year I’ve decided to branch out and try to attend a few more Linux conferences to see what new things are going on and what I can learn.  I’ve been to the Red Hat Summit several times in both … Continue reading

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Goodbye Powerpath.. Hello Multipath…

This week I had the task of working out the details on adding 2 different types of storage arrays to a single host.  The host was running EMC’s Powerpath MPIO drivers and Linux LVM.  Because powerpath is for EMC devices … Continue reading

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Raspberry Pi timelapse of spring.

I bought a Raspberry Pi2 when they came out and also a Pi camera and then came up with an idea on how to use it. I wanted to take some time lapse photos of the yard to watch the … Continue reading

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We’ve gone HTTPS

I’ve wanted to add an SSL certificate to mmoliver.org for a while but frankly I didn’t want to pay the yearly fees of $40+ dollars for one. I then found that I could get a free SSL cert from startssl.com … Continue reading

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