Category Archives: yum

A leginon docker on CentOS 7 Part I: docker and database server install

Previously we we made a leginon CentOS 6 container on CentOS 7. Now the LXC containers are somehow more robust than a docker, but less popular and versatile. Therefore the need to make a docker instead. I start by cloning … Continue reading

Posted in bash, centos, containers, docker, EM, leginon, linux, python, yum | 1 Comment

A docker fauria mailman list manager on CentOS 7

We want to have a web interface to an email list. The email list manager will have the power to edit the list, add people, remove people, or invite people massively. All these functions are available on this fauria mailman … Continue reading

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Slurm update on CentOS 7

We have a big disconnection time (finally!) and everybody is happily taking coffee and discussing about what to do during the holidays while I’m alone running around updating hardware and software.  I have updated the NVIDIA drivers, the kernel, the … Continue reading

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Speed test with iperf on CentOS 7

We’re now having more than one GPFS client hooked up to a 10 GB line. The fact we have a 10 GB network available is not, unfortunately, meaning that we can have that speed, so we need some tool to … Continue reading

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“Could not start D-bus. Can you call qdbus” error after KDE update CentOS 7

Scenario: The system needs to be updated. Before that, an AD user can log in no problem with kerberos credentials, the client is online and all the systems are up and running. Then I do yum update, no special tags … Continue reading

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Removing a kernel with yum on CentOS 7

E molto facile e divertente. But I tend to forget the commands. First we list the existing kernels: #> yum list kernel Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile * base: centos.alpha-labs.net * centosplus: artfiles.org * epel: … Continue reading

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MATLAB on-disk crash

Everything started when I wanted to increase the Java Heap Memory. It’s not related but it is the cause I decided to look onto MATLAB, so I need to refer it. I have 4 node-locked matlab licenses, connected to our … Continue reading

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