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 … Continue reading Moving a boot disk RH8/Centos8

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 … Continue reading Using nohup, “&” and disown in Linux

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 … Continue reading Redhat 8 Boot Single User Mode via Serial Console

Splunk in a Docker Container on RedHat 8

We are assuming you have Docker configured and running already if so than the process is pretty straight forward for getting Splunk in Docker Container. If you need to install Docker in RedHat 8 reference this post: Install Docker in RedHat 8. First thing we need to do is pull Splunk Enterprise package in Docker. … Continue reading Splunk in a Docker Container on RedHat 8