# 2.1 环境安装 ## 2.1.1 安装 从redis.cn 下载最新redis包，3.0稳定版系列. ```bash tar -zxvf redis-3.2.1.tar.gz ``` ```bash cd redis-3.2.1/ ``` 首先打开README.md，翻阅基本build和install方式。 ```bash make ``` 尝试环境是否可以正常使用。 ```bash make test ``` 如果出现 ```cpp \o/ All tests passed without errors! ``` 表示redis环境没有问题。 最后安装路径 ```cpp sudo make install ``` ##2.1.2 启动redis ```bash $redis-server ``` 出现以下代表启动成功 ```bash 8652:C 22 Jul 17:16:59.587 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf _._ _.-``__ ''-._ _.-`` `. `_. ''-._ Redis 3.2.1 (00000000/0) 64 bit .-`` .-```. ```\/ _.,_ ''-._ ( ' , .-` | `, ) Running in standalone mode |`-._`-...-` __...-.``-._|'` _.-'| Port: 6379 | `-._ `._ / _.-' | PID: 8652 `-._ `-._ `-./ _.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | http://redis.io `-._ `-._`-.__.-'_.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | `-._ `-._`-.__.-'_.-' _.-' `-._ `-.__.-' _.-' `-._ _.-' `-.__.-' 8652:M 22 Jul 17:16:59.594 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. 8652:M 22 Jul 17:16:59.594 # Server started, Redis version 3.2.1 8652:M 22 Jul 17:16:59.594 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect. 8652:M 22 Jul 17:16:59.594 * The server is now ready to accept connections on port 6379 ``` ##2.1.2 链接redis服务器 新开一个窗口，或者redis-server后台启动。 通过 ```bash $ redis-cli ``` 得到 ```bash 127.0.0.1:6379> ``` ```bash 127.0.0.1:6379> ping PONG ``` 代表redis服务器已经正常安装并且可以使用了。