IP:192.168.4.111 环境:CentOS 6.6 Redis版本:redis-3.0 (考虑到Redis3.0在集群和性能提升方面的特性,rc版为正式版的候选版,而且很快就出正式版) 安装目录:/usr/local/redis 用户:root 编译和安装所需的包: # [url=]yum install gcc tcl[/url] 下载3.0版Redis(当前最新版redis-3.0.0-rc5.tar.gz,请学员们在安装时自行选用最新版) # cd /usr/local/src # [url=]wget https://github.com/antirez/redis/archive/3.0.0-rc5.tar.gz[/url] 创建安装目录: # mkdir /usr/local/redis 解压: # tar -zxvf 3.0.0-rc5.tar.gz # mv redis-3.0.0-rc5 redis3.0 # cd redis3.0 安装(使用PREFIX指定安装目录): # make PREFIX=/usr/local/redis install 安装完成后,可以看到/usr/local/redis目录下有一个bin目录,bin目录里就是redis的命令脚本: redis-benchmark redis-check-aof redis-check-dump redis-cli redis-server 将Redis配置成服务: 按上面的操作步骤,Redis的启动脚本为:/usr/local/src/redis3.0/utils/redis_init_script 将启动脚本复制到/etc/rc.d/init.d/目录下,并命名为redis: # cp /usr/local/src/redis3.0/utils/redis_init_script /etc/rc.d/init.d/redis 编辑/etc/rc.d/init.d/redis,修改相应配置,使之能注册成为服务: # vi /etc/rc.d/init.d/redis [url=]#!/bin/sh[/url] # # Simple Redis init.d script conceived to work on Linux systems # as it does use of the /proc filesystem. REDISPORT=6379 EXEC=/usr/local/bin/redis-server CLIEXEC=/usr/local/bin/redis-cli PIDFILE=/var/run/redis_${REDISPORT}.pid CONF="/etc/redis/${REDISPORT}.conf" 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 ;; *) echo "Please use start or stop as first argument" ;; esac 查看以上redis服务脚本,关注标为橙色的几个属性,做如下几个修改的准备: (1) 在脚本的第一行后面添加一行内容如下: #chkconfig: 2345 80 90 (如果不添加上面的内容,在注册服务时会提示:service redis does not support chkconfig) (2) REDISPORT端口保持6379不变;(注意,端口名将与下面的配置文件名有关) (3) EXEC=/usr/local/bin/redis-server改为 EXEC=/usr/local/redis/bin/redis-server (4) CLIEXEC=/usr/local/bin/redis-cli 改为CLIEXEC=/usr/local/redis/bin/redis-cli (5) 配置文件设置: 创建redis配置文件目录 # mkdir /usr/local/redis/conf 复制redis配置文件/usr/local/src/redis3.0/redis.conf到/usr/local/redis/conf目录并按端口号重命名为6379.conf # cp /usr/local/src/redis3.0/redis.conf /usr/local/redis/conf/6379.conf 做了以上准备后,再对CONF属性作如下调整: CONF="/etc/redis/${REDISPORT}.conf" 改为 CONF="/usr/local/redis/conf/${REDISPORT}.conf" (6) 更改redis开启的命令,以后台运行的方式执行: $EXEC $CONF & #“&”作用是将服务转到后面运行 修改后的/etc/rc.d/init.d/redis服务脚本内容为: #!/bin/sh #chkconfig: 2345 80 90 # # Simple Redis init.d script conceived to work on Linux systems # as it does use of the /proc filesystem. REDISPORT=6379 EXEC=/usr/local/redis/bin/redis-server CLIEXEC=/usr/local/redis/bin/redis-cli PIDFILE=/var/run/redis_${REDISPORT}.pid CONF="/usr/local/redis/conf/${REDISPORT}.conf" 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 ;; *) echo "Please use start or stop as first argument" ;; esac 以上配置操作完成后,便可将Redis注册成为服务: # chkconfig --add redis 防火墙中打开对应的端口 # vi /etc/sysconfig/iptables 添加: -A INPUT -m state --state NEW -m tcp -p tcp --dport 6379 -j ACCEPT 重启防火墙: # service iptables restart 修改redis配置文件设置: # vi /usr/local/redis/conf/6379.conf 修改如下配置 daemonize no 改为> daemonize yes pidfile /var/run/redis.pid 改为> pidfile /var/run/redis_6379.pid [url=]启动Redis服务[/url] # service redis start 将Redis添加到环境变量中: # vi /etc/profile 在最后添加以下内容: ## Redis env export PATH=$PATH:/usr/local/redis/bin 使配置生效: # source /etc/profile 现在就可以直接使用redis-cli等redis命令了:
关闭Redis服务 # service redis stop 默认情况下,Redis开启安全认证,可以通过/usr/local/redis/conf/6379.conf的requirepass指定一个验证密码。 Redis的使用的Demo样例讲解与演示: 具体内容请参考样例代码和视频教程:Redis3.0集群与应用
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