Tailing a log file in Linux is very easy with the tail command, for instance: However, Windows does not have a tail command. Luckily it […]
Scripting, UNIX/Linux
Open up firewalld port on Linux
It seems to be a task that I often perform when setting up new Linux VMs or servers; opening up a port so that it […]
Scripting, UNIX/Linux, Virtualization
Installing VICE (Commodore Emulator) on MacOS
Before doing anything else, make sure that you have Xcode installed. Install the xa (xa65) open-source 6502 cross compiler. Download the source code. Then extract […]
Scripting, UNIX/Linux
Create bootable USB from ISO image on MacOS
The following steps is an example of how you can use your Mac to put a Linux ISO image on a USB stick and then […]
Scripting, UNIX/Linux, Virtualization
OpenShift PVC Mount failure: already contains mpath_member
A while ago, the VMs that hosted my OpenShift platform were rebooted. For most of it, all nodes and containers came back gracefully. However, there […]
Scripting, UNIX/Linux, Virtualization
OpenShift system:admin requires credentials
As outlined in this issue, you may run into a problem where you want to log into the OpenShift cluster as system:admin from one of […]
Scripting, UNIX/Linux
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 […]
Java, Scripting
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 […]
Java, Scripting, UNIX/Linux, Virtualization
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 […]
Python, Scripting, UNIX/Linux
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 […]