安装redis
官网下载链接:https://download.redis.io/releases/
安装基础环境
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| # 安装基础环境 yum -y install gcc wget cd /usr/local/src/ # 下载redis wget https://download.redis.io/releases/redis-6.2.6.tar.gz tar xf redis-6.2.6.tar.gz -C /usr/local/ cd /usr/local/redis-6.2.6/ # 编译安装redis make make PREFIX=/usr/local/redis-6.2.6 install # 修改内核参数 echo "vm.overcommit_memory=1" >> /etc/sysctl.conf echo "net.core.somaxconn = 1024" >> /etc/sysctl.conf sysctl -p echo "* soft nofile 10240" >> /etc/security/limits.conf echo "* hard nofile 10240" >> /etc/security/limits.conf
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常用配置项
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| # 监听地址,默认是127.0.0.1,不允许其他机器访问 bind 192.168.6.143 # 监听端口 port 6379 # 后台启动 daemonize yes # 设置redis密码 requirepass n9zxcCynQy#j4du
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启动redis
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| /usr/local/redis-6.2.6/bin/redis-server /usr/local/redis-6.2.6/redis.conf # 配置开机自启动 echo "/usr/local/redis-6.2.6/bin/redis-server /usr/local/redis-6.2.6/redis.conf" >> /etc/rc.d/rc.local chmod +x /etc/rc.d/rc.local
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清理缓存
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| # 清空当前数据库的所有key flushdb #清空整个Redis服务器的所有数据 flushall
#当前数据库的 key 的数量 dbsize #查看所有key值 keys * #切换数据库(默认有16个库,0-15) select 1
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