What a genuine Customer Success offering looks like, how it differs from reactive support, and the red flags that tell you it's just an upsell.
10 min read
UniFi Wi-Fi 7 APs flood Synology Log Center with bogus 'emerg' alerts. How to silence them with custom syslog-ng filters, step by step.
4 min read
How to recover a lost Admin account on macOS when you have FileVault 2 enabled
6 min read
The UniFi Security Gateway registers DHCP clients in DNS under garbage Client Identifier names. How to work around its DNS limits.
6 min read
How to use one Let's Encrypt TLS certificate to secure SMTP, IMAP, and your web server on Ubuntu 16.04, with automatic certbot renewals.
7 min read
Mailman CGI scripts download in the browser instead of running under Apache 2.4. The fix is enabling mod_cgid with a2enmod cgid.
1 min read
Fail2Ban on Ubuntu 16.04 showed 8 banned IPs but only 4 blocked in the firewall. A v0.9.3 bug. How to fix it with APT package pinning.
4 min read
How to triple boot a MacBook Pro with macOS, Windows 10, and Kali Linux using Boot Camp and the rEFInd boot manager, without bricking it.
6 min read
How to set up the Synology DNS Server package for forward and reverse lookups on your LAN, filling the gap left by UniFi USG DNS.
7 min read
ServiceNow reclaims idle developer instances. I pulled my keep-alive workaround and explain why an approval workflow is the better fix.
2 min read
Invalid sys_class_name values can break CMDB list views in ServiceNow. How to find and fix the bad CIs with a background script.
5 min read
How to get an email alert whenever an admin impersonates a user in ServiceNow, by logging the impersonation event and adding a notification.
4 min read
How to detect when a phone joins or leaves your home network using arp, a Python script, Lingon, and Hazel on OS X. Know when the kids get home.
5 min read
How to auto-file PNC Virtual Wallet statements into Evernote with a Hazel rule and a shell script, since PNC blocks most fetch services.
6 min read