linux的redis安装
1.安装
cd redis-4.0.8
make
cd src
make install PREFIX=/usr/local/redis
2.移动配置文件到安装目录下
mkdir /usr/local/redis/etc
mv redis.conf /usr/local/redis/etc
3.配置redis为后台启动
vi /usr/local/redis/etc/redis.conf //将daemonize no 改成daemonize yes
4.将redis加入到开机启动
设置redis 为开机启动,避免每次开机都要重新开启redis。
1、编写脚本
vim /etc/init.d/redis
2、内容如下
#!/bin/bash
#
# chkconfig: 2345 10 90
# description: Start and Stop redis
PATH=/usr/local/bin:/sbin:/usr/bin:/bin
REDISPORT=6379
EXEC=/usr/local/redis/bin/redis-server
REDIS_CLI=/usr/local/redis/bin/redis-cli
PIDFILE=/var/run/redis.pid
CONF="/usr/local/redis/etc/redis.conf"
AUTH="1234"
case "$1" in
start)
if [ -f $PIDFILE ]
then
echo "$PIDFILE exists, process is already running or crashed."
else
echo "Starting Redis server..."
$EXEC $CONF
fi
if [ "$?"="0" ]
then
echo "Redis is running..."
fi
;;
stop)
if [ ! -f $PIDFILE ]
then
echo "$PIDFILE exists, process is not running."
else
PID=$(cat $PIDFILE)
echo "Stopping..."
$REDIS_CLI -p $REDISPORT SHUTDOWN
sleep 2
while [ -x $PIDFILE ]
do
echo "Waiting for Redis to shutdown..."
sleep 1
done
echo "Redis stopped"
fi
;;
restart|force-reload)
${0} stop
${0} start
;;
*)
echo "Usage: /etc/init.d/redis {start|stop|restart|force-reload}" >&2
exit 1
esac
3、设置redis 权限
chmod 755 /etc/init.d/redis
4、启动redis
/etc/init.d/redis start
5、设置开机启动
cd /etc/init.d/
chkconfig redis on
验证:简单命令:
连接redis-cli
set username user
通过get username
注意:
如果连接的不是默认的6379端口时启动方式:
1、redis-cli -h ip地址 -p 端口
2、./bin/redis-cli -p 端口
关闭进程:
1、通过pid关闭:kill -9 pid
2、正常关闭:./bin/redis-cli shutdown
相关命令:
string:
1、赋值:set key value eg:set username testname
2、取值:get key eg:get username
3、删除:del key 返回1表示删除几条数据 返回0表示没有删除
4、getset key value 先获取后更新value值
5、incr key 自增操作 返回自增后的结果
6、decr key 自减
7、append key value 拼接value 如果key不存在则新建一个
hash:
1、flushdb 刷新redis 清空键值对的值
2、设置:hset key field value eg:hset hash1 username test==》key=hash1 value={username:test}
3、设置多个字段:hmset key field value [field value ....]
4、获取值:hget key field eg:hget hash1 username
5、获取多个值:hmget key field1 field2...
6、获取所有的key-value :hgetall key
7、删除:hdel key

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