[系统运维]Ubuntu Server 21.04 Install A key deployment Install Redis

??? ? ??

前言

Ubuntu——公共云、数据中心和边缘上最受欢迎的 Linux 发行版。自成立以来，Ubuntu 一直在获得市场份额，截至今天已接近 50%。

redis

Re?dis（Remote Dictionary Server )，即远程字典服务，是一个开源的使用ANSI C语言编写、支持网络、可基于内存亦可持久化的日志型、Key-Value数据库，并提供多种语言的API。

系统下载安装

?切换sh为bash?

dpkg-reconfigure dash

• ?输入NO

• 查看切换结果，结果/bin/sh -> bash切换成功

ls -al /bin/sh

一键部署 redis

• /usr/local/redis/bin(启动相关),/etc（配置文件）,/logs（日志）,/data（数据落地目录）
• 密码1234.com

vim /ubuntu21-redis-install.sh

#!/bin/sh
# -*- coding: utf-8 -*-
# Author: CIASM
# Date: 2022/03/31

#Define data path variables
data_downloads=/data/downloads
mkdir -p $data_downloads

#Define redis path variables
Redis_URL=http://download.redis.io/releases/
Redis_FILE=redis-6.2.6.tar.gz
Redis_FILE_DIR=redis-6.2.6
Redis_PREFIX=/usr/local/redis
Redis_6379_conf=redis-6379.conf
Redis_etc=etc
Redis_data=data
Redis_bin=bin
Redis_logs=logs
Redis_6379_service=redis-6379.service
Redis_6379_pid=redis-6379.pid
Redis_6379_log=redis-6379.log
systemd_system=/usr/lib/systemd/system

install_redis (){
if [ ! -d ${Redis_PREFIX} ];then
apt install build-essential -y
wget -N -P $data_downloads $Redis_URL/$Redis_FILE
tar -xf $data_downloads/$Redis_FILE -C $data_downloads
 if [ $? -eq 0 ];then 
   mv $data_downloads/$Redis_FILE_DIR $Redis_PREFIX
   cd $Redis_PREFIX && make
   mkdir -p $Redis_PREFIX/{/$Redis_bin,/$Redis_etc,/$Redis_logs,/$Redis_data} && chmod +x $Redis_PREFIX/{/$Redis_bin,/$Redis_etc,/$Redis_logs,/$Redis_data} 
   cd $Redis_PREFIX/src && cp -rf redis-cli redis-server mkreleasehdr.sh redis-check-aof redis-check-rdb redis-benchmark $Redis_PREFIX/$Redis_bin
   cp -rf $Redis_PREFIX/redis.conf $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
   ln -s $Redis_PREFIX/$Redis_bin/* /usr/local/sbin/
   redis_config
		echo -e "\033[32mThe redis Install Success...\033[0m"
   else
		echo -e "\033[31mThe redis Install Failed...\033[0m"
		exit 1
fi
   else
	echo -e "\033[31mThe redis already Install...\033[0m"
	exit 1 
fi 
}

redis_config (){

echo "limits config"
sleep 3
cat >>/etc/security/limits.conf<<EOF
* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
EOF

echo "system Maximum number of connections"
echo "fs.file-max=65535" >> /etc/sysctl.conf
echo "vm.overcommit_memory = 1" >> /etc/sysctl.conf
echo "net.core.somaxconn= 1024" >> /etc/sysctl.conf
echo never > /sys/kernel/mm/transparent_hugepage/enabled
sysctl -p

echo "redis-6379.conf config"
sleep 3
sed -i 's/daemonize no/daemonize yes/g' $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i 's/bind 127.0.0.1/bind 0.0.0.0/g' $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i '902a requirepass 1234.com' $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i 's/stop-writes-on-bgsave-error yes/stop-writes-on-bgsave-error no/g' $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i "s/pidfile \/var\/run\/$Redis_6379_pid/pidfile \/usr\/local\/redis\/$Redis_6379_pid/g" $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i "s/dir \.\//dir \/usr\/local\/redis\/$Redis_data/g" $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i "s/logfile \"\"/logfile \"\/usr\/local\/redis\/$Redis_logs\/$Redis_6379_log\"/g" $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i "s/dbfilename dump.rdb/dbfilename dump.rdb/g" $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
sed -i "s/appendfilename \"appendonly.aof\"/appendfilename \"appendonly.aof\"/g" $Redis_PREFIX/$Redis_etc/$Redis_6379_conf

#port config
#sed -i 's/port 6379/port 6380/g' $Redis_PREFIX/$Redis_etc/$Redis_6379_conf
#sed -i '213a masterauth 1234.com' /$Redis_PREFIX/$Redis_etc/$Redis_6379_conf

#redis.service config 
echo -e "[Unit]\nDescription=redis-server\nAfter=network.target\n[Service]\nType=forking\nExecStart=$Redis_PREFIX/$Redis_bin/redis-server $Redis_PREFIX/$Redis_etc/$Redis_6379_conf\nExecStop=$Redis_PREFIX/$Redis_bin/redis-cli shutdown\nPrivateTmp=true\n[Install]\nWantedBy=multi-user.target" > $systemd_system/$Redis_6379_service
chmod 754 $systemd_system/$Redis_6379_service


echo "start redis"
sleep 3
systemctl daemon-reload && systemctl start --now $Redis_6379_service

#redis  firewall config 
rm -rf $data_downloads/*
}

main (){
install_redis
}

main

执行安装

sh /ubuntu21-redis-install.sh