如何从我的ubuntu-16.04服务器上删除redis

Question

当我运行sudo systemctl status redis时，我得到这样的结果

● redis.service - Redis In-Memory Data Store
Loaded: loaded (/etc/systemd/system/redis.service; enabled; vendor preset: 
enabled)
Active: inactive (dead) (Result: exit-code) since Thu 2017-05-11 03:43:43 
WEST; 
31min ago
Main PID: 1553 (code=exited, status=203/EXEC)

May 11 03:43:42 fevrok systemd[1]: redis.service: Control process exited, 
code=exited status=203
May 11 03:43:42 fevrok systemd[1]: redis.service: Unit entered failed state.
May 11 03:43:42 fevrok systemd[1]: redis.service: Failed with result 'exit-code'.
May 11 03:43:43 fevrok systemd[1]: redis.service: Service hold-off time over, scheduling restart.
May 11 03:43:43 fevrok systemd[1]: Stopped Redis In-Memory Data Store.
May 11 03:43:43 fevrok systemd[1]: redis.service: Start request repeated too quickly.
May 11 03:43:43 fevrok systemd[1]: Failed to start Redis In-Memory Data Store.

当我运行sudo systemctl status redis-server时，我得到这样的结果

● redis-server.service - Advanced key-value store
Loaded: loaded (/lib/systemd/system/redis-server.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2017-05-11 03:25:48 WEST; 49min ago
 Docs: http://redis.io/documentation,
       man:redis-server(1)
Main PID: 1121 (redis-server)
CGroup: /system.slice/redis-server.service
       └─1121 /usr/bin/redis-server 127.0.0.1:6379

May 11 03:25:48 fevrok systemd[1]: Starting Advanced key-value store...
May 11 03:25:48 fevrok run-parts[1116]: run-parts: executing /etc/redis/redis-server.pre-up.d/00_example
May 11 03:25:48 fevrok run-parts[1122]: run-parts: executing /etc/redis/redis-server.post-up.d/00_example
May 11 03:25:48 fevrok systemd[1]: Started Advanced key-value store.

看起来我的机器上有两个redis服务，那么我如何删除第一个服务，因为它太旧了，当我尝试启动它时它不工作了，可能是因为我很久以前就尝试删除它了，所以我想我做的很好，所以问题是:我如何删除这个服务：/etc/systemd/system/redis.service

Answer 1

如果在安装时使用了apt-get，则为

sudo apt-get purge --auto-remove redis-server

如果在安装时使用了makefile，则为

How to uninstall Redis server from Ubuntu

Answer 2

sudo apt-get purge redis

如果不起作用，您可以尝试找到redis文件并将其删除，通常，redis位于/usr/bin/redis