nginx · Server

Fix ERR_SPDY_PROTOCOL_ERROR nginx error on Chrome


There is a nefarious error on nginx that in rare cases can throw an ERR_SPDY_PROTOCOL_ERROR for the users of Chrome. TLDR: Check your nginx add_headers directives for invalid characters within any HTTP2 server configurations. I call this out as attempting to troubleshoot it online can lead you down a rabbit hole of old and misinformation.… Continue reading Fix ERR_SPDY_PROTOCOL_ERROR nginx error on Chrome

Linux · Server

Fix ufw service not loading after a reboot


I have a Ubuntu 18.04 server running ufw (Uncomplicated Firewall) and Docker. Docker relies on iptables-persistent, which is an interface to a much more powerful and complicated firewall that many people would rather avoid. The problem here is that ufw and iptables-persistent are both ways for creating the same firewall. On my server, only one… Continue reading Fix ufw service not loading after a reboot

Windows

Samsung NVMe SSD – DPC Watchdog Violation errors


Upon the latest Windows 10 version 1803 update*, my desktop became volatile to the point of being utterly unusable within a few minutes of use as the machine would pause before eventually completely freezing with a BSOD (bluescreen of death) and a DPC Watchdog Violation error. This violation error is a generic catch that is… Continue reading Samsung NVMe SSD – DPC Watchdog Violation errors