bash: http://download.redis.io/releases/redis-3.2.9.tar.gz: 没有那个文件或目录
[gdserver@localhost ~]$ tar xzf redis3.2
tar (child): redis3.2：无法 open: 没有那个文件或目录
tar (child): Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error is not recoverable: exiting now
