UNIX/Linux Archives - Page 2 of 5

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 […]

HTML, Python, UNIX/Linux

Run simple HTTP server on localhost

Sometimes you need to quickly run a simple HTTP server on your localhost to test or try something. If you already have Python installed, then […]

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 […]

UNIX/Linux, Virtualization

Run an OpenShift pod on a specific node by hostname

In your pod or buildconfig yaml you can specify which nodes the pod should run on, generally by specifying one or more of the labels […]

UNIX/Linux, Virtualization

Docker image pull timeout in OpenShift during build or deploy

The default time that OpenShift waits to pull an image during a build or deploy may not be long enough, especially if your images are […]

HTML, UNIX/Linux, Windows

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 […]