Setting up bgplg, OpenBSD's built-in shell and CGI BGP looking glass. Includes handling ping/traceroute in chrooted environments and considerations for nginx migration.
First impressions of Observium network monitoring platform after 10 years with Cacti. Auto-discovery, 64-bit counters, total device traffic graphs, and MAC/ARP tables make it a compelling alternative.
Using openssl s_client to test SSL/TLS connections and verify certificate chains for encrypted email services like POP3, IMAP, and SMTP from the command line.
Setting up self-hosted email with iRedMail on FreeBSD. A polished mail server solution with ClamAV, policyd, and DKIM support that integrates well with system packaging.