Category Archives: Linux

Stuff about the superior OS

dovecot: master: Error: systemd listens on port 143, but it’s not configured in Dovecot. Closing.

Upgrading a mail server from Debian Wheezy (7) to Debian Jessie (8), the following errors were observed in the mail.error log: dovecot: master: Error: systemd listens on port 143, but it’s not configured in Dovecot. Closing. dovecot: master: Error: systemd listens on port 993, but it’s not configured in Dovecot. Closing Looking for solutions, I […]

Writing a newline to separate commands in XChat

Just learned something neat: In XChat, if you hold ctrl and shift, and then press “u”, followed by “a”, you get a weird character that signifies a line break. This can be used to put several commands on one line in the configuration, or to type several lines before spamming them all at once into […]

Make exim4 on Debian respect .forward and /etc/aliases when using a smarthost

When configured to send all mail through a smarthost, exim4 on Debian will not respect your /etc/aliases file, nor will it care about your users’ ~/.forward files. This is due to the numbering, and consequently the sorting, of the files in /etc/exim4/conf.d/router/. If you look at 200_exim4-config_primary, you’ll see it handles smarthost routing in smarthost […]

Reverse SSHFS mounts (fs push)

sshfs is a neat way of mounting a file system from one machine to another over an encrypted ssh channel. However, for machine CLIENT to access a file system that resides on machine HOST, CLIENT must generally be able to log in to HOST. In addition, CLIENT must be able to connect to HOST in […]

Shrinking a vmdk with VMware Player

It seems VMware has removed the GUI for the disk shrink feature in VMware Tools, but the good news is it’s still available from the console. The following command will shrink the disk image for drive C: C:\Program Files\VMware\VMware Tools\VMwareToolboxCmd.exe disk shrink c:\