Category: SysAdmin


PXE/TFTP Boot File Search Path

When booting a machine using (i)PXE there is simple logic the boot process will use to find the most specific boot file it can find to bootstrap from. Where the most specific one is...


Understanding OpenShift CagalogSource Image

The CatalogSource is the definition of a source that contains bundles (packages) that we can install on our cluster, in the CatalogSource definition, there is a pointer to the index image, e.g let’s examine...

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Jenkins systemd service file

This is a small snippet to run Jenkins via systemd service unit and not via the included init.d file (which systemd need to auto-generate a unit for it).