Your parents probably taught you about the Golden Rule when you were young: do unto others as you would have them do unto you. The GPL is the legal embodiment of this Golden Rule: in exchange for benefiting from my hard work, you just have to extend me the same courtesy. Its the unfortunate acknowledgement that we’ve created a society that incentivises people to forget the Golden Rule. I give people free software because I want them to reciprocate with the same. That’s really all the GPL does. Its restrictions just protect the four freedoms in derivative works. Anyone who can’t agree to this is looking to exploit your work for their gain – and definitely not yours.Drew De Vault
It was only last March that here at work we’ve updated our machines to Ubuntu 16.04 LTS, just a month before the 2018 edition of the server-ready realease of the Linux distribution that has come to be de ‘de-facto’ standard for Bioinformatics.
I am running mysqltuner to see how the server can be most finely tuned. Unfortunately the package still has problems (ie. in two years the updated version has not been back ported) so I am facing the mysqltuner ERROR 1054 on Ubuntu Server 16.04.
Here’s how I solved it, after a quick digging’ on my search engine:
cd /opt git clone https://github.com/major/MySQLTuner-perl.git cd MySQLTuner-perl sudo mv /usr/bin/mysqltuner /usr/bin/mysqltuner.bak sudo ln -s /opt/MySQLTuner-perl/mysqltuner.pl /usr/bin/mysqltuner
Then I’ve successfully ran my script. Enjoy!
A bookmark for myself…
“When I sat down and wrote Git, a prime principle was that you should be able to fork and go off on your own and do something on your own. If you have forks that are friendly — the type that prove me wrong and do something interesting that improves the kernel — in that situation, someone can come back and say they actually improved the kernel and there are no bad feelings. I’ll take your improved code and merge it back. That’s why you should encourage forks. You also want to make it easy to take back the good ones.”
Linus Torvalds, via →
After discovering this project, I brought a Raspberry Pi 3 Model B from french company Kubii and started configuring it. I’m struggling to make it work, but I fear that the problem is with the wi-fi setting of my Raspbian connection.
Anyway give an eye to the Pi-Hole project
The Pi-hole is an advertising-aware DNS server that prevents ads from being downloaded. Once installed, configure your router to have DHCP clients use the Pi as their DNS server and then any device that connects to your network will have ads blocked without any further configuration. Alternatively, you can manually set each device to use the Raspberry Pi as its DNS server.
Great news for use consumers. Let’s hope that this SmartDeviceLink technology takes gear, gathering more automotive Big Names and a good amount of indipendent developers to it !
Lately I had to reconfigure an Ubuntu 14.04 server.
Dealing with Tomcat 7 I’ve encountered those two situations:
Enable larger file uploads via Tomcat manager
I had a ~180 war file to deploy. Ubuntu’s Tomcat setting put a limit at 50MB. This has been solved using the tips in this post by skotfred. Unfortunately I haven’t found a more orthodox way of achieving this other than modify the /usr/share/tomcat7-admin/manager/WEB-INF/web.xml in the values max-file-size and max-request-size.
Enable Tomcat monitoring in Munin
Here I’ve followed the tips over this Serverfault discussions.
Adding a [tomcat_ *] was the key.