Init scripts
osbolete: on debian jessie 8.0, replace by system.d
The scripts which start when unix system boot or shutdown. Usefull to start daemon for example.
See example :
Enable
update-rc.d apache2 enable
Disable
update-rc.d apache2 disable
Remove
update-rc.d apache2 remove
Note:
- You can us
-f
option if you have some trouble
Template
LSB init script skelet
#!/bin/bash
### BEGIN INIT INFO
# Provides: SKELET-daemon
# Required-Start: $local_fs $remote_fs $network $syslog $named
# Required-Stop: $local_fs $remote_fs $network $syslog $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start/stop SKELET daemon
### END INIT INFO
# Import lsb functions (log_warning_msg, log_progress_msg, log_end_msg)
. /lib/lsb/init-functions
NAME=lsb_skelet.sh
SCRIPTNAME=/etc/init.d/$NAME
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
function app_is_running()
{
app=$1
result=$(ps aux | grep -e '.*'$app'$' -c)
if [ $result == 0 ]
then
false
else
true
fi
}
case $1 in
start)
log_daemon_msg "Starting" "SKELET"
#cmd...
# check cmd has no problem
if [ $? == 0 ]
then
log_end_msg 0
else
log_end_msg 1
fi
;;
stop)
if app_is_running "SKELET"
then
log_daemon_msg "Shutting down" "SKELET"
killall -r "^.*SKELET$"
#cmd...
# check cmd has no problem
if [ $? == 0 ]
then
log_end_msg 0
else
log_end_msg 1
fi
else
log_daemon_msg "Doesn't run" "SKELET"
fi
;;
status)
if app_is_running "SKELET"
then
log_daemon_msg "Currently running" "SKELET"
log_end_msg 0
else
log_daemon_msg "Doesn't run" "SKELET"
log_end_msg 1
fi
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status}" >&2
exit 2
;;
esac
Apache
#!/bin/sh
### BEGIN INIT INFO
# Provides: apache2
# Required-Start: $local_fs $remote_fs $network $syslog $named
# Required-Stop: $local_fs $remote_fs $network $syslog $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# X-Interactive: true
# Short-Description: Start/stop apache2 web server
### END INIT INFO
set -e
SCRIPTNAME="${0##*/}"
SCRIPTNAME="${SCRIPTNAME##[KS][0-9][0-9]}"
if [ -n "$APACHE_CONFDIR" ] ; then
if [ "${APACHE_CONFDIR##/etc/apache2-}" != "${APACHE_CONFDIR}" ] ; then
DIR_SUFFIX="${APACHE_CONFDIR##/etc/apache2-}"
else
DIR_SUFFIX=
fi
elif [ "${SCRIPTNAME##apache2-}" != "$SCRIPTNAME" ] ; then
DIR_SUFFIX="-${SCRIPTNAME##apache2-}"
APACHE_CONFDIR=/etc/apache2$DIR_SUFFIX
else
DIR_SUFFIX=
APACHE_CONFDIR=/etc/apache2
fi
if [ -z "$APACHE_ENVVARS" ] ; then
APACHE_ENVVARS=$APACHE_CONFDIR/envvars
fi
export APACHE_CONFDIR APACHE_ENVVARS
ENV="env -i LANG=C PATH=/usr/local/bin:/usr/bin:/bin"
if [ "$APACHE_CONFDIR" != /etc/apache2 ] ; then
ENV="$ENV APACHE_CONFDIR=$APACHE_CONFDIR"
fi
if [ "$APACHE_ENVVARS" != "$APACHE_CONFDIR/envvars" ] ; then
ENV="$ENV APACHE_ENVVARS=$APACHE_ENVVARS"
fi
#edit /etc/default/apache2 to change this.
HTCACHECLEAN_RUN=auto
HTCACHECLEAN_MODE=daemon
HTCACHECLEAN_SIZE=300M
HTCACHECLEAN_DAEMON_INTERVAL=120
HTCACHECLEAN_PATH=/var/cache/apache2$DIR_SUFFIX/mod_disk_cache
HTCACHECLEAN_OPTIONS=""
APACHE_HTTPD=$(. $APACHE_ENVVARS && echo $APACHE_HTTPD)
if [ -z "$APACHE_HTTPD" ] ; then
APACHE_HTTPD=/usr/sbin/apache2
fi
if [ ! -x $APACHE_HTTPD ] ; then
echo "No apache MPM package installed"
exit 0
fi
. /lib/lsb/init-functions
test -f /etc/default/rcS && . /etc/default/rcS
if [ -f /etc/default/apache2$DIR_SUFFIX ] ; then
. /etc/default/apache2$DIR_SUFFIX
elif [ -f /etc/default/apache2 ] ; then
. /etc/default/apache2
fi
APACHE2CTL="$ENV /usr/sbin/apache2ctl"
HTCACHECLEAN="$ENV /usr/sbin/htcacheclean"
PIDFILE=$(. $APACHE_ENVVARS && echo $APACHE_PID_FILE)
if [ -z "$PIDFILE" ] ; then
echo ERROR: APACHE_PID_FILE needs to be defined in $APACHE_ENVVARS >&2
exit 2
fi
check_htcacheclean() {
[ "$HTCACHECLEAN_MODE" = "daemon" ] || return 1
[ "$HTCACHECLEAN_RUN" = "yes" ] && return 0
MODSDIR=$(. $APACHE_ENVVARS && echo $APACHE_MODS_ENABLED)
[ "$HTCACHECLEAN_RUN" = "auto" \
-a -e ${MODSDIR:-$APACHE_CONFDIR/mods-enabled}/disk_cache.load ] && \
return 0
return 1
}
start_htcacheclean() {
if [ ! -d "$HTCACHECLEAN_PATH" ] ; then
echo "... directory $HTCACHECLEAN_PATH does not exist!" >&2
return 1
fi
$HTCACHECLEAN $HTCACHECLEAN_OPTIONS -d$HTCACHECLEAN_DAEMON_INTERVAL \
-i -p$HTCACHECLEAN_PATH -l$HTCACHECLEAN_SIZE
}
stop_htcacheclean() {
pkill -P 1 -f "htcacheclean.* -p$HTCACHECLEAN_PATH " 2> /dev/null || echo ...not running
}
pidof_apache() {
# if there is actually an apache2 process whose pid is in PIDFILE,
# print it and return 0.
if [ -e "$PIDFILE" ]; then
if pidof apache2 | tr ' ' '\n' | grep -w $(cat $PIDFILE); then
return 0
fi
fi
return 1
}
apache_stop() {
if $APACHE2CTL configtest > /dev/null 2>&1; then
# if the config is ok than we just stop normaly
$APACHE2CTL stop 2>&1 | grep -v 'not running' >&2 || true
else
# if we are here something is broken and we need to try
# to exit as nice and clean as possible
PID=$(pidof_apache) || true
if [ "${PID}" ]; then
# in this case it is everything nice and dandy and we kill apache2
echo
log_warning_msg "The apache2$DIR_SUFFIX configtest failed, so we are trying to kill it manually. This is almost certainly suboptimal, so please make sure your system is working as you'd expect now!"
kill $PID
elif [ "$(pidof apache2)" ]; then
if [ "$VERBOSE" != no ]; then
echo " ... failed!"
echo "You may still have some apache2 processes running. There are"
echo "processes named 'apache2' which do not match your pid file,"
echo "and in the name of safety, we've left them alone. Please review"
echo "the situation by hand."
fi
return 1
fi
fi
}
apache_wait_stop() {
# running ?
PIDTMP=$(pidof_apache) || true
if kill -0 "${PIDTMP:-}" 2> /dev/null; then
PID=$PIDTMP
fi
apache_stop
# wait until really stopped
if [ -n "${PID:-}" ]; then
i=0
while kill -0 "${PID:-}" 2> /dev/null; do
if [ $i = '60' ]; then
break;
else
if [ $i = '0' ]; then
echo -n " ... waiting "
else
echo -n "."
fi
i=$(($i+1))
sleep 1
fi
done
fi
}
case $1 in
start)
log_daemon_msg "Starting web server" "apache2"
if $APACHE2CTL start; then
if check_htcacheclean ; then
log_progress_msg htcacheclean
start_htcacheclean || log_end_msg 1
fi
log_end_msg 0
else
log_end_msg 1
fi
;;
stop)
if check_htcacheclean ; then
log_daemon_msg "Stopping web server" "htcacheclean"
stop_htcacheclean
log_progress_msg "apache2"
else
log_daemon_msg "Stopping web server" "apache2"
fi
if apache_wait_stop; then
log_end_msg 0
else
log_end_msg 1
fi
;;
graceful-stop)
if check_htcacheclean ; then
log_daemon_msg "Stopping web server" "htcacheclean"
stop_htcacheclean
log_progress_msg "apache2"
else
log_daemon_msg "Stopping web server" "apache2"
fi
if $APACHE2CTL graceful-stop; then
log_end_msg 0
else
log_end_msg 1
fi
;;
reload | force-reload | graceful)
log_daemon_msg "Reloading web server config"
if pidof_apache > /dev/null ; then
log_progress_msg "apache2"
if ! $APACHE2CTL configtest > /dev/null 2>&1; then
log_end_msg 1
$APACHE2CTL configtest || true
exit 1
fi
if $APACHE2CTL graceful $2 ; then
log_end_msg 0
else
log_end_msg 1
fi
else
log_progress_msg "apache2 not running"
log_end_msg 0
fi
;;
restart)
if ! $APACHE2CTL configtest > /dev/null 2>&1; then
$APACHE2CTL configtest || true
log_end_msg 1
exit 1
fi
if check_htcacheclean ; then
log_daemon_msg "Restarting web server" "htcacheclean"
stop_htcacheclean
log_progress_msg apache2
else
log_daemon_msg "Restarting web server" "apache2"
fi
PID=$(pidof_apache) || true
if ! apache_wait_stop; then
log_end_msg 1 || true
fi
if $APACHE2CTL start; then
if check_htcacheclean ; then
start_htcacheclean || log_end_msg 1
fi
log_end_msg 0
else
log_end_msg 1
fi
;;
start-htcacheclean)
log_daemon_msg "Starting htcacheclean"
start_htcacheclean || log_end_msg 1
log_end_msg 0
;;
stop-htcacheclean)
log_daemon_msg "Stopping htcacheclean"
stop_htcacheclean
log_end_msg 0
;;
status)
PID=$(pidof_apache) || true
if [ -n "$PID" ]; then
echo "Apache2$DIR_SUFFIX is running (pid $PID)."
exit 0
else
echo "Apache2$DIR_SUFFIX is NOT running."
if [ -e "$PIDFILE" ]; then
exit 1
else
exit 3
fi
fi
;;
*)
log_success_msg "Usage: /etc/init.d/apache2$DIR_SUFFIX {start|stop|graceful-stop|restart|reload|force-reload|start-htcacheclean|stop-htcacheclean|status}"
exit 1
;;
esac