Redis的下载、安装
# cat /etc/init.d/redis_6379 #!/bin/sh#Configurations injected by install_server below....EXEC=/usr/local/redis/bin/redis-serverCLIEXEC=/usr/local/redis/bin/redis-cli
PIDFILE=/var/run/redis_6379.pid
CONF="/usr/local/redis/etc/6379.conf"
REDISPORT="6379"
################ SysV Init Information
# chkconfig: - 30 50
# description: redis_6379 is the redis daemon.
### BEGIN INIT INFO
# Provides: redis_6379
# Required-Start: $network $local_fs $remote_fs
# Required-Stop: $network $local_fs $remote_fs
# Default-Start: 2 3 4 5# Default-Stop: 0 1 6
# Should-Start: $syslog $named# Should-Stop: $syslog $named
# Short-Description: start and stop redis_6379
# Description: Redis daemon
### END INIT INFO
case "$1" in
start)
if [ -f $PIDFILE ]
then
echo "$PIDFILE exists, process is already running or crashed"
else
echo "Starting Redis server..."
$EXEC $CONF
fi
;;
stop)
if [ ! -f $PIDFILE ]
then
echo "$PIDFILE does not exist, process is not running"
else
PID=$(cat $PIDFILE)
echo "Stopping ..."
$CLIEXEC -p $REDISPORT shutdown
while [ -x /proc/${PID} ]
do
echo "Waiting for Redis to shutdown ..."
sleep 1
done
echo "Redis stopped"
fi
;;
status)
PID=$(cat $PIDFILE 2> /dev/null)# 原为PID=$(cat $PIDFILE) stop之后，文件不存在，抛出异常
if [ -z ${PID} ]# 原为if [ ! -x /proc/${PID} ] PID即使为空，但/proc仍然存在，最后还是会回到running状态
then
echo 'Redis is not running'
else
echo "Redis is running ($PID)"
fi
;;
restart) $0 stop $0 start
;;
*) echo "Please use start, stop, restart or status as first argument"
;;esac
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