Author Archives: krylon

These are the minimum steps I needed to get WordPress running on Ubuntu Server 18.04. It is based on the below guide at the time of this writing: https://wordpress.org/support/article/how-to-install-wordpress/#detailed-instructions   During the install and setup of Ubuntu Server 18.04, the … Continue reading →

Specific setup was Windows Server 2012 R2 and UniFi Controller 5.12.35.   The issue was that suddenly neither internal connections (LAN/private) nor external WAN (public/WAN) connections  could access the controller.  If Windows Firewall is enabled, the UniFi controller needs two apps … Continue reading →

These are the steps to crossflash a Dell 0WFN6R (SAS9341-8i) to an LSI 9300-8i. At the time of this guide the latest firmware available is P16. All files needed for this guide can be downloaded here. The firmware and BIOS … Continue reading →

Recent experience with an Aquantia AQtion AQC108 5G network card that was integrated in a motherboard (Supermicro X11SRA-F).    Plugging in an ethernet cable would not activate the port (status LEDs would not light up on either the NIC or … Continue reading →

Upgraded a Supermicro CSE-836 from 3 pin fans to 4 pin PWM fans. Here is the before and after matrix of part numbers: Before Middle Fans (Qty 3) FAN-0070L 672042003884 San Ace 80 9G0812G103 Rear Exhaust Fans (Qty 2) FAN-0062L … Continue reading →

When trying to update/upgrade ESXi 6.7.0 Update 3 (via software profile update command) you may run into the following error below. This was a host running specifically Update 3 build 15018017 trying to update to build 15160138. [InstallationError] [Errno 28] … Continue reading →

When trying to update a CentOS 7 system after an extended amount of time, I ran into this error: Downloading packages: warning: /var/cache/yum/x86_64/7/ius/packages/yum-plugin-replace-0.2.7-1.ius.el7.noarch.rpm: Header V4 RSA/SHA256 Signature, key ID 4b274df2: NOKEY Retrieving key from file:///etc/pki/rpm-gpg/IUS-COMMUNITY-GPG-KEY The GPG keys listed for … Continue reading →

Recent issue with UniFi Controller (version 5.12.35) where test emails were failing on a remote SMTP server (Postfix) configured for STARTTLS listening on port 25. The workaround was to open port 587 on the firewall and redirect it to port … Continue reading →

When trying to update/upgrade ESXi 6.7.0 Update 2 to Update 3 (via software profile update command) you may run into the following error below. This was a host running specifically Update 2 build 13644319. [InstallationError] [Errno 28] No space left … Continue reading →

Edit: fixed a typo in the command in step 3 For Windows Server 2012 R2 it’s not possible to change the alias of an existing RemoteApp. However it is possible to set a custom alias when creating a new RemoteApp … Continue reading →