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rTorrent startup script




To make rTorrent startup automatically every time when the server is rebooted you need to add a simple script.

#!/bin/sh
#############
######
#############
# This script depends on screen.
# For the stop function to work, you must set an
# explicit session directory using ABSOLUTE paths (no, ~ is not absolute) in your rtorrent.rc.
# If you typically just start rtorrent with just "rtorrent" on the
# command line, all you need to change is the "user" option.
# Attach to the screen session as your user with 
# "screen -dr rtorrent". Change "rtorrent" with srnname option.
# Licensed under the GPLv2 by lostnihilist: lostnihilist _at_ gmail _dot_ com
##############
######
##############

#######################
##Start Configuration##
#######################
# You can specify your configuration in a different file 
# (so that it is saved with upgrades, saved in your home directory,
# or whateve reason you want to)
# by commenting out/deleting the configuration lines and placing them
# in a text file (say /home/user/.rtorrent.init.conf) exactly as you would
# have written them here (you can leave the comments if you desire
# and then uncommenting the following line correcting the path/filename 
# for the one you used. note the space after the ".".
# . /etc/rtorrent.init.conf

#Do not put a space on either side of the equal signs e.g.
# user = user 
# will not work
# system user to run as
user=""

# the system group to run as, not implemented, see d_start for beginning implementation
# group=`id -ng "$user"`

# the full path to the filename where you store your rtorrent configuration
config="`su -c 'echo $HOME' $user`/.rtorrent.rc"

# set of options to run with
options=""

# default directory for screen, needs to be an absolute path
base="`su -c 'echo $HOME' $user`"

# name of screen session
srnname="rtorrent"

# file to log to (makes for easier debugging if something goes wrong)
logfile="/var/log/rtorrentInit.log"
#######################
###END CONFIGURATION###
#######################
PATH=/usr/bin:/usr/local/bin:/usr/local/sbin:/sbin:/bin:/usr/sbin
DESC="rtorrent"
NAME=rtorrent
DAEMON=$NAME
SCRIPTNAME=/etc/init.d/$NAME 

checkcnfg() {
    exists=0
    for i in `echo "$PATH" | tr ':' '\n'` ; do
        if [ -f $i/$NAME ] ; then
            exists=1
            break
        fi
    done
    if [ $exists -eq 0 ] ; then
        echo "cannot find rtorrent binary in PATH $PATH" | tee -a "$logfile" >&2
        exit 3
    fi
    if ! [ -r "${config}" ] ; then 
        echo "cannot find readable config ${config}. check that it is there and permissions are appropriate" | tee -a "$logfile" >&2
        exit 3 
    fi 
    session=`getsession "$config"` 
    if ! [ -d "${session}" ] ; then
       echo "cannot find readable session directory ${session} from config ${config}. check permissions" | tee -a "$logfile" >&2
       exit 3
   fi
} 

 d_start() {
  [ -d "${base}" ] && cd "${base}"
  stty stop undef && stty start undef
  su -c "screen -ls | grep -sq "\.${srnname}space:" " ${user} || su -c "screen -dm -S ${srnname} 2>&1 1>/dev/null" ${user} | tee -a     "$logfile" >&2
 # this works for the screen command, but starting rtorrent below adopts screen session gid
 # even if it is not the screen session we started (e.g. running under an undesirable gid
 #su -c "screen -ls | grep -sq "\.${srnname}space:" " ${user} || su -c "sg \"$group\" -c \"screen -fn -dm -S ${srnname} 2>&1  1>/dev/null\"" ${user} | tee -a "$logfile" >&2
 su -c "screen -S "${srnname}" -X screen rtorrent ${options} 2>&1 1>/dev/null" ${user} | tee -a "$logfile" >&2
}

d_stop() {
   session=`getsession "$config"`
   if ! [ -s ${session}/rtorrent.lock ] ; then
       return
   fi
   pid=`cat ${session}/rtorrent.lock | awk -F: '{print($2)}' | sed "s/[^0-9]//g"`
   if ps -A | grep -sq ${pid}.*rtorrent ; then # make sure the pid doesn't belong to another process
       kill -s INT ${pid}
   fi
}

getsession() { 
   session=`cat "$1" | grep "^space:*sessionspace:*=" | sed "s/^space:*sessionspace:*=space:*//" `
   echo $session
}

checkcnfg

case "$1" in
 start)
   echo -n "Starting $DESC: $NAME"
   d_start
   echo "."
   ;;
 stop)
   echo -n "Stopping $DESC: $NAME"
   d_stop
   echo "."
   ;;
 restart|force-reload)
   echo -n "Restarting $DESC: $NAME"
   d_stop
   sleep 1
   d_start
   echo "."
   ;;
 *)
   echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
   exit 1
   ;;
esac

exit 0



and now you need to paste this script there

nano /etc/init.d/rtorrent
Now you need to edit "user" to your username. e.g. user="seedbox"

Now you need to change permission for that file
chmod 755 /etc/init.d/rtorrent


Now you need to add this script to startup
update-rc.d rtorrent defaults


Now you should be able to start/stop/restart rTorrent through this script, to check it use
service rtorrent restart

or
/etc/init.d/rtorrent restart


If everything is OK rTorrent will start automatically after reboot.

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