Fedora grub2 repair for system using UEFI firmware
A long-running server suddenly stopped booting successfully. It started displaying a “grub rescue>” prompt after reboot. My searches suggested this meant grub needed to be reinstalled. This server uses EFI firmware so all the instructions on using “grub2-install” that I found everywhere are moot. After a couple of days of searching, this is the procedure […]
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Fedora 38+: GNOME suspends after 15 minutes of user inactivity, even on AC power
How to turn off system-wide auto-suspend after upgrading server to Fedora 39.
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Making a Linux Samba Server the Destination for OS X Time Machine Backups
OS X Time Machine can use a Linux server as the destination for backups instead of a physical device.
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Troubleshooting SELinux
My SELinux commands cheat sheet
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OpenVPN Client Access to a LAN Through a Unifi Dream Machine Pro (UDM Pro)
I’ve created a Debian APT package that configures an OpenVPN remote access server on the UDM Pro, making it trivial to deploy this hack.
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Running ntopng in Unifi OS 2.4.27 on a UDM Pro
Running the free network traffic analysis tool called ntopng directly in the UDM firewall/router device’s latest OS release. Look Ma! No containers!
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Keeping My Oracle Always Free Instance Alive
Preventing my Oracle Always Free Instance from getting shut down because it is seen as being idle.
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Using A Physical Storage Device In A KVM
It is possible to attach a physical storage device directly to a Linux kernel virtual machine (KVM) but it cannot be done through the virtual-manager GUI tool, it has to be hand-coded.
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Debugging Grub Boot Problems
Some notes I made while restoring the grub boot configuration on a remote Linux server.
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Configuring exim4 To Use GMail As A Smarthost Mail Relay on Fedora 36
How to configure exim on Fedora to forward all outbound e-mail via Gmail’s SMTP server
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