Created
August 23, 2015 09:13
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sh and nginx
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#!/bin/sh | |
echo 1 > /proc/sys/vm/drop_caches | |
echo 2 > /proc/sys/vm/drop_caches | |
echo 3 > /proc/sys/vm/drop_caches |
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#!/bin/sh | |
dd if=/dev/zero of=/swap bs=1M count=1024 | |
mkswap /swap | |
swapon /swap |
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#!/bin/sh | |
# | |
# nginx Startup script for nginx | |
# | |
# chkconfig: - 85 15 | |
# processname: nginx | |
# config: /etc/nginx/nginx.conf | |
# config: /etc/sysconfig/nginx | |
# pidfile: /var/run/nginx.pid | |
# description: nginx is an HTTP and reverse proxy server | |
# | |
### BEGIN INIT INFO | |
# Provides: nginx | |
# Required-Start: $local_fs $remote_fs $network | |
# Required-Stop: $local_fs $remote_fs $network | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: start and stop nginx | |
### END INIT INFO | |
# Source function library. | |
. /etc/rc.d/init.d/functions | |
if [ -f /etc/sysconfig/nginx ]; then | |
. /etc/sysconfig/nginx | |
fi | |
prog=nginx | |
nginx=${NGINX-/usr/sbin/nginx} | |
conffile=${CONFFILE-/etc/nginx/nginx.conf} | |
lockfile=${LOCKFILE-/var/lock/subsys/nginx} | |
pidfile=${PIDFILE-/var/run/nginx.pid} | |
SLEEPMSEC=${SLEEPMSEC-100000} | |
UPGRADEWAITLOOPS=${UPGRADEWAITLOOPS-5} | |
RETVAL=0 | |
start() { | |
echo -n $"Starting $prog: " | |
daemon --pidfile=${pidfile} ${nginx} -c ${conffile} | |
RETVAL=$? | |
echo | |
[ $RETVAL = 0 ] && touch ${lockfile} | |
return $RETVAL | |
} | |
stop() { | |
echo -n $"Stopping $prog: " | |
killproc -p ${pidfile} ${prog} | |
RETVAL=$? | |
echo | |
[ $RETVAL = 0 ] && rm -f ${lockfile} ${pidfile} | |
} | |
reload() { | |
echo -n $"Reloading $prog: " | |
killproc -p ${pidfile} ${prog} -HUP | |
RETVAL=$? | |
echo | |
} | |
upgrade() { | |
oldbinpidfile=${pidfile}.oldbin | |
configtest -q || return | |
echo -n $"Starting new master $prog: " | |
killproc -p ${pidfile} ${prog} -USR2 | |
echo | |
for i in `/usr/bin/seq $UPGRADEWAITLOOPS`; do | |
/bin/usleep $SLEEPMSEC | |
if [ -f ${oldbinpidfile} -a -f ${pidfile} ]; then | |
echo -n $"Graceful shutdown of old $prog: " | |
killproc -p ${oldbinpidfile} ${prog} -QUIT | |
RETVAL=$? | |
echo | |
return | |
fi | |
done | |
echo $"Upgrade failed!" | |
RETVAL=1 | |
} | |
configtest() { | |
if [ "$#" -ne 0 ] ; then | |
case "$1" in | |
-q) | |
FLAG=$1 | |
;; | |
*) | |
;; | |
esac | |
shift | |
fi | |
${nginx} -t -c ${conffile} $FLAG | |
RETVAL=$? | |
return $RETVAL | |
} | |
rh_status() { | |
status -p ${pidfile} ${nginx} | |
} | |
# See how we were called. | |
case "$1" in | |
start) | |
rh_status >/dev/null 2>&1 && exit 0 | |
start | |
;; | |
stop) | |
stop | |
;; | |
status) | |
rh_status | |
RETVAL=$? | |
;; | |
restart) | |
configtest -q || exit $RETVAL | |
stop | |
start | |
;; | |
upgrade) | |
rh_status >/dev/null 2>&1 || exit 0 | |
upgrade | |
;; | |
condrestart|try-restart) | |
if rh_status >/dev/null 2>&1; then | |
stop | |
start | |
fi | |
;; | |
force-reload|reload) | |
reload | |
;; | |
configtest) | |
configtest | |
;; | |
*) | |
echo $"Usage: $prog {start|stop|restart|condrestart|try-restart|force-reload|upgrade|reload|status|help|configtest}" | |
RETVAL=2 | |
esac | |
exit $RETVAL |
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