ubuntu 部署redis

  1. Redis

redis官网地址:http://www.redis.io/

所有历史版本下载地址:http://download.redis.io/releases/

redis中文文档地址:http://www.redis.cn/documentation.html

Linux安装部署Redis_linux redis安装部署-CSDN博客

Linux下Redis的安装和部署_redis在linux部署-CSDN博客

Linux环境下安装部署redis-腾讯云开发者社区-腾讯云

5.1)安装redis的时候遇到的问题

5.1.1)下载redis7.2.4

5.1.2)安装gcc  sudo apt install gcc

5.1.3)安装make  sudo apt install make

5.1.4)sudo mv redis-7.2.4 /usr/local/redis下

5.1.5)make  这个没指定目录 ,不知道redis安装到了哪里,而且不知道怎么启动,找不到启动目录

5.1.6)cd src   make install

/usr/local/bin  (redis运行文件所在地)redis-benchmark  redis-check-aof  redis-check-rdb  redis-cli  redis-sentinel  redis-server

/usr/local/lib  (redis 库文件所在目录) 空目录

/usr/local/etc  (redis配置文件所在目录)空目录

不知道怎么修改配置文件,在/usr/local/etc下没有redis的信息

Redis.conf在我们copy到放置的/usr/local/redis下

5.1.7)ps -elf |grep redis  才能看到 redis进程号

5.1.8)禁用 bind=127.0.0.1 可以让所有ip都可以访问,否则只有本机可以访问

5.1.9)启用  daemonize yes  会有warning出现

WARNING Memory overcommit must be enabled! Without it, a background save or replication may fail under low memory condition. Bein        g disabled, it can also cause failures without low memory condition, see https://github.com/jemalloc/jemalloc/issues/1328. To fix this issue add 'vm.overcommit_mem        ory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.

解决办法:sudo vim /etc/sysctl.conf

在最后加

vm.overcommit_memory = 1

修改redis密码

requirepass 123456

修改redis日志:q

logfile "wzredis.lo”  这个要加目录吗?

修改样本数量

maxmemory-samples 5

Maxmemory 设置

# maxmemory <bytes>

maxmemory 512M

  1. 安装redis 第二次

Mv redis-7.2.4 /usr/local/redis

Cd  /usr/local/reids

6.1)make PREFIX=/usr/local/redis install

6.2)mkdir log  (用于存放日志)

daemonize yes   (开启守护)

dir /usr/local/redis/bin  (为了使redis-server可以在任意目录执行)

appendonly yes   (每次redis有数据更新都写日志,以防掉电丢数据)

Port 6378

#bind 127.0.0.1 -::1   所有ip都可以访问

Timeout  300   客户端闲置300秒关闭连接

maxclients 10000  最大客户连接数限制

开机脚本

Cp redis_init_script /etc/init.d/redisd  (重新启动了个名字)

默认redis下的utils下有个redis_init_script 这个就可以作为启动脚本

由于redis存放路径的不同,我们修改了几个配置

REDISPORT=6379

#EXEC=/usr/local/bin/redis-server

EXEC=/usr/local/redis/bin/redis-server

#CLIEXEC=/usr/local/bin/redis-cli

CLIEXEC=/usr/local/redis/bin/redis-cli

PIDFILE=/var/run/redis_${REDISPORT}.pid

#CONF="/etc/redis/${REDISPORT}.conf"

CONF="/usr/local/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 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

Ubuntu 开机自启动

Vim  /lib/systemd/system/rc-local.service

[Unit]

Description=/etc/rc.local Compatibility

Documentation=man:systemd-rc-local-generator(8)

ConditionFileIsExecutable=/etc/rc.local

After=network.target

[Service]

Type=forking

ExecStart=/etc/rc.local start

TimeoutSec=0

RemainAfterExit=yes

GuessMainPID=no

[Install]

WantedBy=multi-user.target

Alias=rc-local.service

增加最后3行

Sudo  vim /etc/rc.local

#!/bin/bash

whoami >> /usr/test.log

/etc/init.d/redisd  start

exit 0

Sudo chmod +x /etc/rc.local

Reboot 重启

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