Linux环境下安装redis

在 /usr/local/ 下创建 redis ⽂件夹并进⼊

cd /usr/local/
mkdir redis
cd redis

将 redis 安装包解压到 /usr/local/redis

tar -zxvf /root/redis-6.2.5.tar.gz -C ./

解压完之后， /usr/local/redis ⽬录中会出现⼀个 redis-6.2.5 的⽬录

编译并安装

cd redis-6.2.5
make && make install

进⼊ utils ⽬录，并执⾏下面命令

cd utils/
./install_server.sh

这步可能会报错

Welcome to the redis service installer
This script will help you easily set up a running redis server

This systems seems to use systemd.
Please take a look at the provided example service unit files in this directory, and adapt and install them. Sorry!

注释下面的代码 vim install_server.sh

76行
#bail if this system is managed by systemd
#_pid_1_exe="$(readlink -f /proc/1/exe)"
#if [ "${_pid_1_exe##*/}" = systemd ]
#then
#       echo "This systems seems to use systemd."
#       echo "Please take a look at the provided example service unit files in this directory, and adapt and install them. Sorry!"
#       exit 1
#fi
#unset _pid_1_exe

查看redis服务启动情况

systemctl status redis_6379.service

看状态是不是 Active: active (running) , 如果状态是 Active: active (exited)

● redis_6379.service - LSB: start and stop redis_6379
Loaded: loaded (/etc/rc.d/init.d/redis_6379; bad; vendor preset: disabled)
Active: active (exited) since 二 2021-09-14 16:46:05 CST; 8min ago
  Docs: man:systemd-sysv-generator(8)
  Process: 8528 ExecStart=/etc/rc.d/init.d/redis_6379 start (code=exited, status=0/SUCCESS)

9月 14 16:46:05 localhost.localdomain systemd[1]: Starting LSB: start and stop redis_6379...
9月 14 16:46:05 localhost.localdomain redis_6379[8528]: /var/run/redis_6379.pid exists, process is al...ed
9月 14 16:46:05 localhost.localdomain systemd[1]: Started LSB: start and stop redis_6379.
Hint: Some lines were ellipsized, use -l to show in full.

Active: active (exited) 状态 删除pid文件

cd /var/run
rm redis_6379.pid 

Active: active (exited) 状态 删除dump.rdb（内存快照）文件

 cd /var/lib/redis/6379
 mv dump.rdb dump.rdb_bak

Active: active (exited) 状态

ps -ef |grep redis
kill -9 进程id(如果有)
systemctl start redis

设置允许远程连接, 编辑 redis 配置⽂件

vim /etc/redis/6379.conf

将 bind 127.0.0.1 修改为 0.0.0.0

bind 0.0.0.0
systemctl restart redis_6379.service

设置访问密码

vim /etc/redis/6379.conf

找到 #requirepass foobared 去掉注释，修改foobared为⾃⼰想要的密码，保存即可。

requirepass admin

保存，重启 Redis 服务即可

systemctl restart redis_6379.service

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