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                ## 下載redis ``` axel -n 10 http://download.redis.io/releases/redis-6.2.6.tar.gz tar -zxvf redis-6.2.6.tar.gz cd redis-6.2.6 ``` ## 安裝redis ``` make PREFIX=/alidata/server/redis/ install ``` ## 配置redis #### 新建數據目錄和日志目錄 ~~~ mkdir /alidata/server/redis/data mkdir /alidata/server/redis/log cp ./redis.conf /alidata/server/redis/ vim /alidata/server/redis/redis.conf ~~~ #### 編輯內容 ~~~ # IP綁定 bind 0.0.0.0 # 保護模式(開啟條件為各redis之間可以互相通信,做集群不可開啟) protected-mode yes # 訪問端口 port 6379 # 連接超時,單位S,0為不啟用超時 timeout 0 # 以守護進程運行 daemonize yes # 數據文件路徑(dump.rdb附近) dir /alidata/server/redis/data # 進程ID文件的路徑 pidfile /var/run/redis.pid # 日志文件路徑 logfile /alidata/server/redis/log/redis.log # 設置登陸密碼 requirepass [redis的密碼] # 禁用部分危險命令 rename-command FLUSHALL "" rename-command CONFIG "" rename-command KEYS "" rename-command EVAL "" # 開啟鍵過期刪除通知 notify-keyspace-events Ex ~~~ ## 性能優化 ~~~ # 編輯/etc/rc.local vim /etc/rc.local echo never > /sys/kernel/mm/transparent_hugepage/enabled # 添加/etc/rc.local執行權限 chmod +x /etc/rc.d/rc.local # 編輯/etc/sysctl.conf vim /etc/sysctl.conf vm.overcommit_memory = 1 net.core.somaxconn = 5120 # 立即解決 echo never > /sys/kernel/mm/transparent_hugepage/enabled echo 5120 > /proc/sys/net/core/somaxconn sysctl vm.overcommit_memory=1 sysctl -p ~~~ ## 修改目錄歸屬 ~~~ useradd -s /sbin/nologin -M redis chown -R redis:redis /alidata/server/redis ~~~ ## 啟動redis并設置開機啟動 ~~~ # 進入單元文件目錄 cd /usr/lib/systemd/system # 創建redis單元文件,格式為: [單元文件名].[單元文件類型] vim redis.service [Unit] Description=Start redis on boot. After=default.target network.target [Service] User=redis Group=redis Type=forking #PIDFile=/var/run/redis.pid ExecStart=/alidata/server/redis/bin/redis-server /alidata/server/redis/redis.conf ExecReload=/bin/kill -s HUP $MAINPID ExecStop=/bin/kill -s QUIT $MAINPID PrivateTmp=false #Restart=always LimitNOFILE=65535 [Install] WantedBy=multi-user.target # 修改文件權限為只有root用戶可以編輯該文件 chown -R root:root /etc/systemd/system/redis.service chmod -R 644 /etc/systemd/system/redis.service # 更新systemd systemctl daemon-reload systemctl enable redis systemctl start redis ~~~ ## redis加入系統服務 ``` cp /home/redis/redis-6.2.6/utils/redis_init_script /etc/init.d/redis ``` ## 編輯/etc/init.d/redis ``` vim /etc/init.d/redis ``` ``` #!/bin/sh # Simple Redis init.d script conceived to work on Linux systems # as it does use of the /proc filesystem. ### BEGIN INIT INFO # Provides: redis_6379 # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Redis data structure server # Description: Redis data structure server. See https://redis.io ### END INIT INFO REDISPORT=6379 EXEC=/alidata/server/redis/bin/redis-server CLIEXEC=/alidata/server/redis/bin/redis-cli PIDFILE=/var/run/redis.pid CONF=/alidata/server/redis/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 ;; stop) if [ ! -f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running" else PID=$(cat $PIDFILE) echo "Stopping ..." $CLIEXEC -p $REDISPORT -a [redis的密碼] shutdown while [ -x /proc/${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 ``` #如果沒有設置開機啟動 執行chkconfig redis on ## 配置環境變量 ``` vim /etc/profile PATH=/alidata/server/redis/bin:$PATH # 使配置生效 source /etc/profile ```
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