Author Archives: krylon

Enable BuddyPress Mentions and also Email Notifications in bbPress

BuddyPress @mentions were working perfectly within WordPress posts and comments however not in bbPress. This is one solution to get @mention user lookups and an email notification when used in a topic or thread reply.  However a notification is not … Continue reading

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How to Install Latest WordPress on Ubuntu Server 18.04

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

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Suddenly Can’t Connect to UniFi Controller on Windows Server

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

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Crossflash Dell 0WFN6R 9341-8i to LSI 9300-8i IT Mode

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

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Aquantia AQC108 No Network Status LEDs

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

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Supermicro CSE-836 Chassis PWM 80mm Fan Swap

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

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Errno 28 When Trying to Update VMware ESXi 6.7.0 Update 3

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

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Error When Updating CentOS 7 – GPG keys are not correct for this package

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

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UniFi Controller Notifications using a STARTTLS Mail Server

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

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Errno 28 When Trying to Update VMware ESXi 6.7.0 Update 2 to Update 3

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

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