Redis自啟動(dòng)是啟動(dòng)指在系統啟動(dòng)時(shí)，Redis服務(wù)會(huì )自動(dòng)啟動(dòng)，啟動(dòng)這樣可以確保在系統運?行過(guò)程中，啟動(dòng)Redis服務(wù)始終處于可用狀態(tài)，啟動(dòng)為其他應用程序提供數據存儲和緩存功能，啟動(dòng)本文將介紹如何實(shí)現Redis自啟動(dòng)，啟動(dòng)并給出一個(gè)相關(guān)問(wèn)題與解(╥_╥)答的啟動(dòng)欄目，提出四個(gè)與本文相關(guān)的啟動(dòng)問(wèn)題，并做出解答。啟動(dòng)
1. 使用systemd配置文件
[Unit]Description=Redis In-Memory Data StoreAfter=network.tヽ(′?｀)ノarget[Service]Us??er=redisGroup=redisExecStart=/usr/local/bin/redis-server /etc/redis/redis.conf??ExecStop=/usr/local/bin/redis-cli shutdow(′_｀)nRes??tart=always[Install]WantedBy=multi-user.target
將該文件復制到`/etc/systemd/system/`目錄下，啟動(dòng)并執行(xing)以下命令啟用Redi(′?｀)s服務(wù)：
sudo systemctl enable redis.servicesudo systemctl start redis.service
2. 使用init(′▽?zhuān)?.d腳┐(′д｀)┌本
對于基于SysV init的(de)啟動(dòng)??系統(如CentOS 6),可以使用init.d腳本來(lái)實(shí)現Redis自啟動(dòng)，創(chuàng )建一個(gè)名為`redis.init`的腳本，內容如下：
#!/bin/sh### BEGIN INIT INFO# Provides: redis# required="required"-Start: $remote_fs $sysl(╥_╥)og# required="required"-Stop: $remote_fs $syslog# Default-Start: 2 3 4 5# Default-Stop: 0 1 6# Short(╯°□°）╯︵ ┻━┻-Description: Redis server startup script for CentOS 6 and later.# Description: En??able servi(╯°□°）╯︵ ┻━┻ce provided by redi┐(′д｀)┌s.socket. This is a simple example scrip???t that starts Redis on boot using the standard configuration file. It does not handle configuratiヽ(′▽?zhuān)?ノon changes or errors that may occur during runtime. To use this script, yo??u must create a suit(′_ゝ`)able configuration file (e.g. /etc/redis/redis.conf) an??d copy it to the same directory as this scヽ(′ー｀)ノript before running it. See the Redis manual for more information about configuration options.#??## END INIT INFOPATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/binヾ(′?｀)?DAEMON=/usr/loca??l/bin/redis-server /etc/redis/redis.con(′?｀*)fPIDFILE=/var/run/redis.pidEXECSTART=/usr/local/bin/redis-server /etc/redis/redis.coヾ(′?｀)?nfEXECS??TOP=/usr/l??ocal/bin/redis-cli shutdownUSER=rootGROUP=rootSTDOUT_LOG=stdout.logSTDERR_LOG=stderr.log
將該腳本復制到`/etc/init.d/`目錄下，并執行以下命令設置Redis服務(wù)開(kāi)機自啟：
sudo chmod +x redis.initsudo update-rc.d redis defaults
1. 如何查看Redis服務(wù)的運行狀態(tài)？
答：`sudo systemctl status redis`，如果Redis服務(wù)正在運行(?_?;)，輸出結果中的`Active: active (running)`表??示服務(wù)已啟動(dòng)并正在運行，如果服務(wù)未啟(╥_╥)動(dòng)或已停止，輸出結果中的相應信息??會(huì )顯示為`(dead)`或`(i(╯°□°）╯nactヽ(′ー｀)ノive)`。(′?ω?`)
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