Home Lab: Redo

In the beginning there was a lab... This my makeshift lab before I got my 42u rack in. In this version I have used a steel rack I believe I got at Lowes. It worked well for years but wanted something more accessible and take up less room. It all came to a head when …

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Moving a boot disk RH8/Centos8

I ran into an issue where I had a usb ssd drive that I built Centos 8 upon. After I relocated it to the onboard controller I preceded to boot the system and wallah! Warning: /dev/centos/root does not exist Warning: /dev/centos/swap does not exist Warning: /dev/mapper/centos-root does not exist ... dracut# To no surprise I …

Using nohup, “&” and disown in Linux

Linux has a few options on getting a command to run in background and if desired keep it running even if there is a terminal session interruption. So what's the difference and why you may use one vs. the other? To understand when and why lets take a look at what each once does in …

Redhat 8 Boot Single User Mode via Serial Console

To boot into single user mode via the serial console you need to edit grub before it boots. When it starts booting you will see the grub menu, before it starts hit the "e" key to edit. You will see something similar as below. Change the information to whats shown below in BOLD ====================load_video set …