一,Redis安装
1,下载Redis
wget http://download.redis.io/redis-stable.tar.gz
2,解压
tar xzf redis-stable.tar.gz
3,进入压缩后目录
cd redis-stable
4,安装
make
make install
5,测试
make test
若提示:you need tcl 8.5 or newerin order to run the redis test,执行yum install tcl
6,再次测试,OK
二,Redis配置
1,进入目录redis-stable,复制配置文件到/etc目录下
cp redis.conf /etc
2,建立用户与日志目录
sudo useradd redis
sudo mkdir -p /var/lib/redis
sudo mkdir -p /var/log/redis
sudo chown redis.redis /var/lib/redis
sudo chown redis.redis /var/log/redis
3,修改配置文件
vi /etc/redis.conf
修改以下内容:
#修改连接密码为 12345:
#requirepass foobared
requirepass 12345
#默认只能在本机访问,现改为所有IP均可访问
bind 127.0.0.1 改为 bind 0.0.0.0
#修改启动模式为后台启动
daemonize no 改为 daemonize yes
#修改数据文件存储位置
dir ./ 改为 dir /var/lib/redis
4,配置init脚本
vi /etc/init.d/redis
将以下部分粘贴到脚本中:
# chkconfig: 2345 90 10
# description: Redis is a persistent key-value database
###########################
PATH=/usr/local/bin:/sbin:/usr/bin:/bin
REDISPORT=6379
EXEC=/usr/local/bin/redis-server
REDIS_CLI=/usr/local/bin/redis-cli
PIDFILE=/var/run/redis.pid
CONF="/etc/redis.conf"
case "$1" in
start)
if [ -f $PIDFILE ]
then
echo "$PIDFILE exists, process is already running or crashed"
else
echo "Starting Redis server..."
$EXEC $CONF
fi
if [ "$?"="0" ]
then
echo "Redis is running..."
fi
;;
stop)
if [ ! -f $PIDFILE ]
then
echo "$PIDFILE does not exist, process is not running"
else
PID=$(cat $PIDFILE)
echo "Stopping ..."
$REDIS_CLI -p $REDISPORT SHUTDOWN
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
##############################
5,添加执行权限
chmod +x /etc/init.d/redis
6,设定开机启动
sudo chkconfig redis on
7,启动与停止redis
service redis start
service redis stop
8,测试redis
通过redis-cli向redis发送命令,有两种方式,一种指定服务器地址和端口号,一种不指定,默认本机IP和端口
进入redis-stable所在目录下的src目录,
指定服务器地址和端口号:输入命令 ./redis-cli -h127.0.0.1 -p 6379
不指定服务器地址和端口:输入命令 ./redis-cli
均出现:
[root@VM_93_121_centos src]# ./redis-cli
127.0.0.1:6379> set key 123
OK
127.0.0.1:6379> get
(error) ERR wrong number of arguments for 'get' command
127.0.0.1:6379> get key
"123"
127.0.0.1:6379> exit
成功安装并配置redis。
如果启动报错可以参考,看看能不能解决:https://blog.csdn.net/whxwkb/article/details/81152162
<https://blog.csdn.net/whxwkb/article/details/81152162>
========阿里云连不通====
1.需要在阿里云网站进行安全组配置
2.关闭linux防火墙或者开通端口,简单就是关闭防火墙
//查看防火墙状态
firewall-cmd --state
//临时关闭
systemctl stop firewalld
//禁止开机启动
systemctl disable firewalld
================================jedis---jar包下载================
https://mvnrepository.com/artifact/redis.clients/jedis/2.9.0
maven
<!-- https://mvnrepository.com/artifact/redis.clients/jedis -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
==================================java代码=有密码的连接====
// Jedis jedis = new Jedis("139.224.238.63",6379); Jedis jedis = new
Jedis("120.27.22.82",6379);
jedis.select(4);//选择存入哪个库,redis.conf中默认有16个库,所以获取的时候也要选择存入的库中 //
jedis.auth("weijifen");//设置密码 jedis.append("aa","testa");
System.out.println(jedis.get("aa"));
=======
阿里云redis:
启动: redis-server /etc/redis.conf
热门工具 换一换