Probably not needed soon, but I needed it so here it is. For CentOS 6 add: To your kernel. The OS will take care of setting up getty, etc. That easy. Note that this assumes you want serial on ttyS1 and at 115200. Don’t forget to reboot. CentOS 7/8 add: Don’t forget to run: or, […]

My Foodsaver recently started pulling a vacuum, but not starting the sealing process automatically. Finally pulled it apart to find some extra blood in the works. Pulled out screws here: I’m pretty sure the main issue was with the sensor shown below. I use a Q-tip to rub a little rubbing alcohol on and in […]

Got tired of crappy PG&E power messing up my filesystems and got an APC UPS. Next step was getting it setup to shutdown all of the VMs and then the VMware host. I used an Ubuntu 18.04 VM. First thing is to pass through the APC USB connection. This can be done just from the […]

I needed and alias setup for my macOS mail recently. I tried to use https://support.apple.com/lt-lt/guide/mail/mlhlp1205/mac but the aliases didn’t stick. Finally after consulting the Console I got an error saying that there could be only one account with that name (thanks Highlander.) I checked my Internet Accounts and found that there was indeed a second […]

If you have a DirecTV DVR and are tired of the ads during pause here is what I found to block to stop the ads. I use the great OPNsense, but any firewall will do.

My Blue Yeti microphone slowly stopped working and I finally figured out how to fix it after Ohming the connections out with my Fluke. Follow the disassembly guide from the awesome iFixit here https://www.ifixit.com/Guide/Blue+Yeti+Disassembly/111262 After that you essentially want to gently mangle the micro-USB connector into something like the below picture. The cable should fit […]

Xiao Guoan runs a great site here: https://www.linuxbabe.com/ If you want help with best practices for email spam reduction she has a great post here: https://www.linuxbabe.com/redhat/blocking-email-spam-postfix-centos My $.02 on this is adding to her smtpd_helo_restrictions. I recommend sender_access as it is a standard and can be used elsewhere like this: smtpd_helo_restrictions =       […]

I have 2 IPs on a single box and want to run SSH on 443 because fuck firewalls. SELinux isn’t happy about adding port 443 for SSH as HTTPS “owns” it. Instead I forwarded 443 on 1 IP to the SSH port I already ran. Don’t use port 22…. Looks like this: firewall-cmd –zone=public –add-rich-rule=’rule […]