Disabling TLS 1.1 in node
Following on from my earlier post about increasing the security of HTTPS in Apache, I had a similar task with a website that’s running a node server. The fix to… Read more
Removing stopped docker containers and images
Over time it’s easy for the number of stopped docker containers to steadily increase. To periodically clean up the stopped containers: To clear up their images, providing your setup is… Read more
Testing HTTPS with a second WordPress site
I wanted to create a second WordPress site, running on the same server as the first, with a different domain name. The WordPress documentation says that sites can have different… Read more
Checking and improving HTTPS security
I’m a big fan of using SSL Labs’ SSL Server Test to check that my webservers are securely using HTTPS / SSL. It takes a couple of minutes to run,… Read more
Re-enabling PHP After Ubuntu Upgrade
After updating the OS on my WordPress server to Ubuntu 18.04.1 LTS, I found that PHP was no longer working. Looking in /etc/apache2/mods-available I could see entries for php7.2 but… Read more
Recall, precision, ROC and AUROC
This is part 9 in a series on machine learning. You might want to start at the beginning if you just arrived here. Last time we built a model to… Read more
A Naive Bayes Experiment and Principal Component Analysis
This is part 8 in a series on machine learning. You might want to start at the beginning if you just arrived here. Last time we covered some of the… Read more
Naive Bayes Classification
This is part 7 in a series on machine learning. You might want to start at the beginning if you just arrived here. In the previous post we ran a… Read more
Real data, overfitting, and test data
This is part 6 in a series on machine learning. You might want to start at the beginning if you just arrived here. Having run a linear regression over some… Read more
Your First Linear Regression Experiment
This is part 5 in a series on machine learning. You might want to start at the beginning if you just arrived here. Last time we looked at some modifications… Read more