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Recent Posts

Who’s hacking Drjohnstechtalk lately?
Consumer Tech: how to wake the screen of a Samsung Galaxy A51
Domain Services: does Backorder work?
Building a regular (non-bloggy) web site with WordPress
Dear Perl programmer, Here is a lifeline
The IT Detective Agency: web site not accessible
Inquiring Minds Want to Know: Do you save energy by dimming LED bulbs
OpenSCAD export to STL does nothing
vsftd Virtual Users stopped working after patching: the solution
Configure rsyslog to send syslog to SIEM server running TLS
Practical Zabbix examples
The IT Detective Agency: large packets dropped by firewall, but logs show OK
Linux shell script to cut a packet trace every 10 minutes on Checkpoint firewall
What is BGP hijacking?
Trying to upgrade WordPress brings a thicket of problems