SOLVED: VirtualBox shows only 32-bit guest versions on my (64-bit) Windows 10?

I quickly pressed Windows Key + q to open the Search box and typed in: turn windows features on or off Turn windows features on or off I scanned a few options but one in particular was salient: Hyper-V was enabled. So I installed the 64-bit version of Docker for Windows after configuring a shiny new VirtualBox CentOS 7 […]

Read More SOLVED: VirtualBox shows only 32-bit guest versions on my (64-bit) Windows 10?

Previously I wrote about configuring a Microtik for RDP. Well, that router died, so I’d to do it all over again. (Here are the Terminal commands, except I’ve changed my public IP address to x.x.x.x.):- /ip firewall nat>> add chain=dstnat action=dst-nat to-addresses=192.168.1.243 to-ports=3389 protocol=tcp dst-address=x.x.x.x dst-port=3389 log=no log-prefix=”” /ip firewall nat>> add chain=srcnat action=src-nat to-addresses=192.168.1.254 to-ports=3389 protocol=tcp […]

Read More

Microtik port forwarding

Spent too much time configuring port forwarding (RDP) on my (Microtik) RouterBoard 751G-2HnD. The solution, as usual, was buried in a May 2014 forum post. There needs to be TWO (2) NAT rules enabled; i.e. to forward traffic to/fro the router/server. In this case, 192.0.78.13 and 10.0.0.254 refers to the router’s WAN and LAN IPs respectively, […]

Read More Microtik port forwarding

InnoDB transactions

Yesterday I updated the date column of an entire table meant for its subset only. The solution to this mistake was to recover from daily mysqldump, and filling in the gaps that were, thankfully, able to be filled in. Writing in 2010, the author of the answer said:- When something goes wrong, the only restoration […]

Read More InnoDB transactions