How to make the Perl Net::SNMP module work with newer SHA (SHA256, SHA512) authentication protocols. | Continue reading
A technical analysis of a Wordpress hack, involving about.php and lock.php, required digging into a process memory to see the actual executed code. | Continue reading
How to fix data corruption and strange/illegal characters in InfluxDB measurements and series names. | Continue reading
We ran into the Lets Encrypt Root CA expiry (server certificate verification failed) when working on the command line. | Continue reading
Defining locations in Nginx supports PCRE regular expressions. But only few know how to define optional (sub-) paths in locations. | Continue reading
Nginx reverse proxy error: SSL alert number 47 while SSL handshaking to upstream | Continue reading
What if Windows requires to use the Ctrl+Alt+Del key combination, but you connected with a Remote Desktop? | Continue reading
Packet losses were detected on a KVM with Ubuntu 18.04 as guest OS, running on a Debian 9 (Stretch) host. | Continue reading
While evaluating different backup solutions for KVMs (Kernel based Virtual Machines), we came across the virt-backup.pl script. | Continue reading