To reload tmux’s config without quitting and starting it again, we can hit Ctrl + B then :. Once the we get the prompt just run: :source-file ~/.tmux.conf Ref: https://sanctum.geek.nz/arabesque/reloading-tmux-config/

Tonight I started to review the learning material for Red Hat System Administration III to prepare for RHCSE exam. I need a machine with GUI, and all my CentOS 7 VMs are headless. So let’s install the GUI on it, shall I? First install epel repo, if it’s not yet installed: # yum install epel-release -y Then install the 2 groups: # yum groupinstall "X Window system" -y # yum groupinstall "MATE Desktop" -y Tip, if “I” can’t remember the names of the groups, I can run this command to list all available groups: ...

FreeBSD 12.0 install media :20180208 misses a lot of timezone file. E.g. it doesn’t have /usr/share/zoneinfo/Australia/Sydney. Ensure: zoneinfo package is installed. Then run: # tzsetup And confirm: Fri Feb 16 00:19:48 AEDT 2018

Here’s one way to locate it: Click on the Windows Start Menu icon. Type “Run”, and click on Run (Desktop App). Then, when the Run dialog box presents, just enter shell:common startup and hit the Enter key Ref: http://www.thewindowsclub.com/startup-folder-in-windows-8

Just a quick note to remind myself how I fixed the problem installing VirtualBox 5.2.10 on a Mac laptop running 10.13.4. The installation seemed to go well until it reached the end and reported failing to install. I’ve had this issues for a few weeks already and Google for solution seems to have hit and missed until today. I finally found a solution posted here: https://github.com/docksal/docksal/issues/417. Basically, I need to go the System Preferences and tick the box to allow ‘System software from developer “Oracle America, Inc.” was block from loading’.