关于vsftp出现Restarting vsftpd (via systemctl): Job for vsftpd.service failed because the control 的解决办法

关于vsftp出现Restarting vsftpd (via systemctl):  Job for vsftpd.service failed because the control 的解决办法

刚刚在搭建ftp服务器时，在配置好一切的参数之后，在我重启时，出现了无法启动的错误，将配置文件改了好多次都更改不好，终于在经过一阵查资料后，终于将问题定位了出来，下面先摆出错误信息：

[root@www /home/zhoupan]# systemctl start vsftpd.service  Job for vsftpd.service failed because the control process exited with error code. See "systemctl status vsftpd.service" and "journalctl -xe" for details.  [root@www /home/zhoupan]# /etc/init.d/vsftpd start  Starting vsftpd (via systemctl):  Job for vsftpd.service failed because the control process exited with error code. See "systemctl status vsftpd.service" and "journalctl -xe" for details.                                                             [FAILED]  [root@www /home/zhoupan]# systemctl status vsftpd.service   ● vsftpd.service - Vsftpd ftp daemon     Loaded: loaded (/usr/lib/systemd/system/vsftpd.service; disabled; vendor preset: disabled)     Active: failed (Result: exit-code) since 三 2016-03-02 08:09:50 EST; 18s ago    Process: 17087 ExecStart=/usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf (code=exited, status=2)   Main PID: 16908 (code=killed, signal=TERM)    3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: Starting Vsftpd ftp daemon...  3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: vsftpd.service: control process exited, code=exited status=2  3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: Failed to start Vsftpd ftp daemon.  3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: Unit vsftpd.service entered failed state.  3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: vsftpd.service failed.  [root@www /home/zhoupan]# journalctl -xe  3月 02 08:10:01 www.dreamchasinger.cn kernel: SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs  3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Created slice user-0.slice.  -- Subject: Unit user-0.slice has finished start-up  -- Defined-By: systemd  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel  --   -- Unit user-0.slice has finished starting up.  --   -- The start-up result is done.  3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Starting user-0.slice.  -- Subject: Unit user-0.slice has begun start-up  -- Defined-By: systemd  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel  --   -- Unit user-0.slice has begun starting up.  3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Started Session 18 of user root.  -- Subject: Unit session-18.scope has finished start-up  -- Defined-By: systemd  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel  --   -- Unit session-18.scope has finished starting up.  --   -- The start-up result is done.  3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Starting Session 18 of user root.  -- Subject: Unit session-18.scope has begun start-up  -- Defined-By: systemd  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel  --   -- Unit session-18.scope has begun starting up.  3月 02 08:10:01 www.dreamchasinger.cn CROND[17093]: (root) CMD (/usr/lib64/sa/sa1 1 1)  3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Removed slice user-0.slice.  -- Subject: Unit user-0.slice has finished shutting down  -- Defined-By: systemd  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel  --   -- Unit user-0.slice has finished shutting down.  3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Stopping user-0.slice.  -- Subject: Unit user-0.slice has begun shutting down  -- Defined-By: systemd  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel  --   -- Unit user-0.slice has begun shutting down.  3月 02 08:10:03 www.dreamchasinger.cn systemd[1]: Configuration file /usr/lib/systemd/system/ebtables.service is marked executable. Please remove executable permission bits. Proceeding anywa  3月 02 08:10:03 www.dreamchasinger.cn systemd[1]: Configuration file /usr/lib/systemd/system/wpa_supplicant.service is marked executable. Please remove executable permission bits. Proceeding  3月 02 08:10:07 www.dreamchasinger.cn systemd[1]: Configuration file /usr/lib/systemd/system/ebtables.service is marked executable. Please remove executable permission bits. Proceeding anywa  3月 02 08:10:07 www.dreamchasinger.cn systemd[1]:  

我的配置文件内容为：

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1. [root@www /home/zhoupan]# cat /etc/vsftpd/vsftpd.conf | grep '^[^#]'  
2. anonymous_enable=YES  
3. local_enable=YES  
4. write_enable=YES  
5. local_umask=022  
6. xferlog_enable=YES  
7. connect_from_port_20=YES  
8. xferlog_file=/var/log/xferlog  
9. xferlog_std_format=YES  
10. ftpd_banner=Welcome to blah FTP service.  
11. listen=YES  
12. listen_port=21  
13. listen_ipv6=YES  
14. pam_service_name=vsftpd  
15. userlist_enable=YES  
16. tcp_wrappers=YES  
17. pasv_enable=YES  
18. use_localtime=YES  

出现错误的原因是：由于centos7中vsftp的配置文件默认将 listen_ipv6=YES 这一行没有注释掉，而我们目前的网络环境还不支持ipv6，从而导致出现错误无法启动，所以解决方法是将 listen_ipv6=YES更改为：listen_ipv6=NO，或将这一行注释掉

按上面的方法注释掉 listen_ipv6=YES后，成功启动vsftp

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1. [root@www /home/zhoupan]# /etc/init.d/vsftpd start  
2. Starting vsftpd (via systemctl):                           [  OK  ]