Category Archives: osx

Slurm 18.08 with QOS mariadb problems on CentOS 7

I already told you how to install Slurm on CentOS 7 so I’m not going to repeat it for a  modern slurm package. I’m going to comment on the new issues I had using the procedure. Problem one: making rpms. … Continue reading

Posted in bash, batch, centos, errors, GPU, hardware, linux, mac, mysql, osx, slurm, software | 3 Comments

Giving root power to a CentOS 7 user

This is an old one. I was explicitly avoiding to pass through this hole, but the time has come. There is the need to run a script that will copy data owned by ROOT from storage A to storage B.  … Continue reading

Posted in bash, batch, big data, bits, EM, errors, linux, mac, osx, rsync | Leave a comment

OSX ipython UnknownBackend %matplotlib unable to use

I’m continuing with my data science experiments. If you are also following some text instead of learning it by use, you may have encountered that you are unable to use matplotlib as suggested on the text.  The line %matplotlib inline … Continue reading

Posted in bash, big data, brew, hardware, ipython, linux, mac, osx, python | Leave a comment

Install Python 3 on OSX for data science

While I edit as a book The Water Wedding I keep working, of course. This is also my log. I’m following this instructions to build up a proper environment on my mac to test some data science tools. First, I open a terminal … Continue reading

Posted in big data, bits, brew, mysql, osx, pip, python, wxpython | Leave a comment

An OSX remote desktop from CentOS 7

CentOS 7 is very good, but I need to have some OSX features on it (like iCloud). I have an OSX desktop that I will call mymac in the same network, so I decided to check what features of it … Continue reading

Posted in bash, bits, centos, osx, software, VM | Leave a comment

What is Predictive Analytics?

I want to do big data. Unfortunately there is a lot of noise about big data and data mining. There is even now a popular saying related with the topic: “Big data is like teenage sex: everybody is speaking about … Continue reading

Posted in android, big data, bits, correlations, iPad, linux, mac, osx, windows | Leave a comment

MS Office Excel 2016 hide unused rows and columns

It’s been a while since I use MS Excel (I’m a free software guy). When I was given a kind of database all written on Excel, so big that you can’t print it on a single page, I almost scream. … Continue reading

Posted in bits, old scrolls, osx, software, windows, XP | Leave a comment