yum下载安装redis

有时需要离线安装redis，所以需要redis离线安装包，不同的centos版本和redis版本，依赖包不同,本例中，centos： CentOS Linux release 7.0.1406 (Core)，Basic Web Server版本，自动下载的redis版本为3.2.12

1、检查是否存在redis安装包

yum search redis

2、若未找到redis安装包，则安装epel-release源

yum -y install epel-release

3、再次查询仓库中是否存在redis，若出现如下异常，则在/usr/lib/python2.7/site-packages/urlgrabber/grabber.py中1510行左右将elif errcode in (42, 55, 56) 改为elif errcode == 42 ，然后再次查询

[root@localhost ~]# yum search redis
Loaded plugins: fastestmirror, langpacks
epel/x86_64/metalink                                                                                                                                                  | 6.9 kB  00:00:00     
epel                                                                                                                                                                  | 4.7 kB  00:00:00     
epel/x86_64/primary_db         FAILED                                          
https://mirror.lzu.edu.cn/epel/7/x86_64/repodata/d1d0107c74472c4a2af56fa4436caafe3c76a57c446b11b54901609d26893a17-primary.sqlite.bz2: [Errno 14] curl#35 - "Cannot communicate securely with peer: no common encryption algorithm(s)."
Trying other mirror.
Traceback (most recent call last):
  File "/usr/libexec/urlgrabber-ext-down", line 75, in <module>
    main()
  File "/usr/libexec/urlgrabber-ext-down", line 61, in main
    fo = PyCurlFileObject(opts.url, opts.filename, opts)
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1258, in __init__
    self._do_open()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1589, in _do_open
    self._do_grab()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1723, in _do_grab
    self._do_perform()
  File "/usr/lib/python2.7/site-packages/urlgrabber/grabber.py", line 1517, in _do_perform
    raise KeyboardInterrupt
KeyboardInterrupt

4、正常查询，出现

redis.x86_64 : A persistent key-value database

则源安装成功

5、下载安装包

yum install --downloadonly --downloaddir=/work redis

出现

exiting because "Download Only" specified

下载结束，查看redis

[root@localhost ~]# whereis redis
redis:[root@localhost ~]# ll /work/
total 660
-rw-r--r--. 1 root root 107040 Apr  2  2014 jemalloc-3.6.0-1.el7.x86_64.rpm
-rw-r--r--. 1 root root 556969 Oct 26 15:10 redis-3.2.12-2.el7.x86_64.rpm
[root@localhost ~]#

redis安装包及依赖包下载完成，并且没有安装

6、安装

rpm -ivh /work/*

安装结束后，查看redis安装情况

[root@localhost ~]# whereis redis
redis: /etc/redis.conf

7、启动redis(开机启动文件在redis安装完成后，自动放入/usr/lib/systemd/system/中)

systemctl start redis

8、登录

[root@localhost ~]# redis-cli 
127.0.0.1:6379>

这种方式看似方便，但redis官方不推荐这种方式来安装redis，因为这种方式安装的redis不是当前最新的可用版本。

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