Centaur The immediate email notification tool.
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notifier mail email mail notifier email notification

Centaur Description

The immediate email notification tool. Centaur is a small program intended to Immediately notify an user when its mail arrives. To do so IMAP IDLE command is used. Thus, if you have no IMAP account, or your IMAP server does not support IDLE, you're out of luck.INSTALLATIONTo install centaur, put the python files in some place. Usually, I keep themin $HOME/.centaur (surprise).CONFIGURATIONCentaurd uses a configuration file 'config' which is checked under/etc/centaur, and $HOME/.centaur. Note, this file contains passwords, so itspermissions should be as tight as possible. I think executing# chmod 600 configis a mandatory thing.Keywords used in the configuration file:hostname - string, hostname of the IMAP server. This string may contain the server port, eg 'imap.server.com:8888'username - string, username used to login to the serverpassword - string, password used to login to the servertimeout - integer, timeout in seconds when DONE should be issued. If you don't know what this means, don't modify it. The default timeout should suit most people.fetchcmd - string, shell command which will be executed on mail arrival, eg 'fetchmail -s'.logger - string, type of logger. Allowed values are syslog and stdout.userid - integer, valid user ID. Used to drop privileges when centaurd is started as root.groupid - integer, valid group ID. Used to drop privileges when centaurd is started as root.process - string, how to start centaurd. Allowed values are 'daemon' and 'foreground'. The latter is default.STARTING AND STOPPINGTo start centaurd just type its name (with full path, if that matters) andpress Enter:# $HOME/.centaur/centaurdTo stop it, kill the process using TERM or KILL signal:# kill -TERM `cat /var/run/centaurd.pid`If you started centaurd not as root, the pid file may be missing. Findthe process among other processes and kill it:# ps ax | grep centaurd 2711 ? S 0:00 /usr/bin/python /home/user/.centaur/centaurd 8458 pts/7 S+ 0:00 grep centaurd# kill -TERM 2711Also, you can make centaurd to re-read its configuration by sending HUP signal to it:# kill -HUP `cat /var/run/centaurd.pid`

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