Author Archives: bitsanddragons

About bitsanddragons

A traveller, an IT professional and a casual writer

A leginon CentOS 6 container on CentOS 7

Continuing with our cooking recipes, I’m going to install leginon on a CentOS 6 container running on CentOS 7. We start creating a CentOS 6 container: lxc-create -n centos6 -t download — -d centos -r 6 -a i386 lxc-start -n … Continue reading

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CentOS 7 error while loading shared libraries: libfftw3.so.3

Case description: on my centos7 container, I sync ProgramX from the container host (centos 7 also) and when I try to run it, I get the error. ProgramX: error while loading shared libraries: libfftw3.so.3: cannot open shared object file: No … Continue reading

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LXC : containers on CentOS 7 (III)

This is my container cooking recipe so far. I will call the host where the containers run ‘local‘. On ‘local‘, the initial configuration is: ### install the initial packages yum -y install lxc lxc-templates libcap-devel \ libcgroup busybox wget bridge-utils … Continue reading

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A bar talk

“They removed my immortality glands!” I nod. The guy closed to me started to speak like half an hour after staring at my beer in a discrete way. In the meantime, he ordered and drunk two pints of Guinness without … Continue reading

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Fixing a broken RAID 50

I had that RAID 50 composed of 18 disk, each one of 6 TB, connected to my DELL server. One day particularly stressful for it, one of the disks of the RAID system decided to die. If you are an … Continue reading

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Reverse port forwarding

This is an old one. It should not be there but it is. If you don’t know what it is have a look to this instructive post. The situation is the next. We have Linux client A on site A. … Continue reading

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Video killed the radio star

“Mann, are you still mad at us?” Maria said, with her deep voice. We walk slowly through the maze of curly streets of the historic center of our city, following Anna. Around us, some small street stands are showing vegetables … Continue reading

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