Encrypting DNS
A way to make it a lot harder for your ISP to track and collect content from your browsing activities is by encrypting your DNS traffic. By using your ISP’s DNS services, you are basically giving them details on your Continue reading
Mount exfat USB drive in Fedora
You may be running into a problem trying to mount an exfat USB drive for the first time in your Fedora OS: You will need to install fuse-exfat as follows:
Installing Fedora 64-bit version on Raspberry PI 3
As indicated in “Compile and install MongoDB on Raspberry PI“, you can install a 64-bit version of SUSE Linux on your Raspberry PI 3. There is also a 64-bit version of Fedora Linux that will work, and it seems a Continue reading
Triggering Jenkins builds when deploying artifacts to Artifactory
While you could use the URLTrigger Plugin in Jenkins to poll for artifact updates in Artifactory, another way of triggering your build would be through User Plugins. All it requires is a simple Groovy script that you place under the Continue reading
Replicate docker images from Artifactory to Google Container Registry
It may be a bit of an unusual thing to integrate 2 different docker image repositories from different vendors. Usually companies pick 1 particular product to host their private docker images, however there may be special circumstances where more than Continue reading
Installing python 3.6 on CentOS 7 / RHEL 7
CentOS and RHEL 7 have Python 2.7 available in the standard packages. You can install Python 3.6 from source while keeping the current 2.7 install on your machine, so any existing dependencies will not break. You can now run python3.6 Continue reading
Add games to Nintendo NES Classic Edition
The NES Classic Edition is Nintendo’s miniaturized version of the groundbreaking NES, originally released in 1985. It comes pre-loaded with 30 games and it doesn’t seem like Nintendo provided any means of adding more games to it. Under the hood Continue reading
Compile and install MongoDB on Raspberry PI
A 32 bit version of Raspbian is currently the most common OS that runs on a Raspberry PI. RPI 3 comes equipped with a 64 bit CPU, however at the moment only experimental 64 bit versions of Raspbian may be Continue reading
Join Array in MongoDB
Since version 3.2 you can use the $lookup to perform the equivalent of left outer joins in MongoDB. While you should try to design your schema to avoid joins as much as you can, the $lookup nevertheless is a very Continue reading
When to use MongoDB $and Operator
On the surface, it seems like the $and operator is useless because it is implicitly applied when MongoDB processes each expression in the query. For instance the following query searches for all products where category=”vehicle” AND brand=”toyota”: However, consider this: Continue reading