Postfix local mail forwarding loop
OK, somebody did something foolish and forwarded mail to themselves. So now postfix sees a mail forwarding loop and your deferred queue is full of… Read More »Postfix local mail forwarding loop
linux
Quick & Dirty Drovorub Detection
By all means read the full vulnerability report from the NSA. It has proper forensic analysis techniques and Snort rules. However, if you just want… Read More »Quick & Dirty Drovorub Detection
Tools we use: WP CLI for managing WordPress from the command line
We run a bunch of WordPress sites. One of the best finds for managing them has been WP CLI (Command Line Interface). When we first… Read More »Tools we use: WP CLI for managing WordPress from the command line
krack attacks
Out this morning is word of a major vulnerability in WiFi security called KRACK Attacks. It allows a nearby attacker to watch traffic on your… Read More »krack attacks
Centos plus kernel for xen
Today I spent the day debugging why a database server wouldn’t boot and, eventually, removing the Redhat kernel from all of our CentOS 7 virtual… Read More »Centos plus kernel for xen
xz: Your next default compression tool
The xz compression program, run with defaults, can be so slow that you might wonder why anybody uses it. But on a modern machine, xz… Read More »xz: Your next default compression tool
rsnapshot-parallel
Today we released rsnapshot-parallel to Github. While we’ve used rsnapshot for years, recently with the proliferation of virtual machines we’ve noticed our backups running much… Read More »rsnapshot-parallel