vsftpd and the dreaded “500 OOPS: could not bind listening IPv4 socket”

During a server move from Slackware 13.0 to Slackware 64 13.0, I encountered the dreaded “500 OOPS: could not bind listening IPv4 socket” error from vsftpd. As you may know, Slackware runs vsftpd (and some other services) from inetd: the internet “super-server.” After a bit of searching and some piddling around, I found a very … Read more