linux中redis安装

什么是Redis?

Redis(Remote Dictionary Server)是一个开源的使用ANSI C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,它通常被称为数据结构服务器,因为值可以是字符串(String)、哈希表(Hash)、列表(List)、集合(Set)和有序集合(Sorted Set),Redis具有高性能、高可用、分布式的特点,广泛应用于缓存、消息队列、排行榜等场景。

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为什么要安装Redis扩展?

在Linux系统中,我们可以通过安装Redis来使用Redis数据库,默认情况下,Redis并没有提供C语言扩展的支持,这意味着你无法使用一些高级的数据结构和功能,如Lua脚本、事务等,为了充分利用Redis的功能,我们需要安装Redis扩展。

如何安装Redis扩展?

本文将介绍如何在Linux系统中安装Redis扩展,我们将分别介绍通过源码编译和包管理器安装两种方法。

1. 通过源码编译安装

1、下载Redis源码:

wget http://download.redis.io/releases/redis-6.2.5.tar.gz

2、解压源码包:

tar xzf redis-6.2.5.tar.gz

3、进入解压后的目录:

cd redis-6.2.5

4、编译Redis:

make

5、安装Redis:

sudo make install

6、配置Redis:

编辑/etc/redis/redis.conf文件,找到以下行:

 enable the client output compression protocol (requires client to support zlib)
tcp-backlog 5110
 maximum number of bytes to write in a single reply from the server (default: 4096)
maxclients 10000
 specify where to find the unix socket file (default: "/var/run/redis/redis.sock") and the path to the database file (default: "/var/lib/redis/redis.db") (optional)
unixsocket /var/run/redis/redis.sock /var/lib/redis/redis.db

取消注释这些行,以启用Redis扩展:

enable the client output compression protocol (requires client to support zlib)
tcp-backlog 5110
maximum number of bytes to write in a single reply from the server (default: 4096)
maxclients 10000
specify where to find the unix socket file (default: "/var/run/redis/redis.sock") and the path to the database file (default: "/var/lib/redis/redis.db") (optional)
unixsocket /var/run/redis/redis.sock /var/lib/redis/redis.db

7、启动Redis:

src/redis-server redis.conf &> /dev/null & tail -f /dev/null & wait $! && echo "$!" > ~/tmp_pids/redis_625_master.pid && echo "Redis started" || echo "Could not start Redis" exit 1; exec $@; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 && echo "Restarting Redis" && exec $@; exit 1; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt && sleep 30 &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart_redis_625_master.pid && echo "Redis stopped" || echo "Could not stop Redis" exit 1; exec $@; clear && echo "$@" > ~/tmp_pids/restart_redis_625_master.txt &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart_redis_625_master.pid && echo "Redis started" || echo "Could not start Redis" exit 1; clear &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart_redis_625_master.pid &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart_redis_625_master.pid &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart_redis_625_master.pid &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart_redis_625_master.pid &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart_redis_625_master.pid &>&1 & tail +3F +1 & wait $! && echo "$!" > ~/tmp_pids/restart

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