转载于:http://blog.csdn.net/it_dream_er/article/details/50783111
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:
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[root@www /home/zhoupan]# systemctl start vsftpd.service
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Job for vsftpd.service failed because the control process exited with error code. See "systemctl status vsftpd.service" and "journalctl -xe" for details.
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[root@www /home/zhoupan]# /etc/init.d/vsftpd start
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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.
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[FAILED]
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[root@www /home/zhoupan]# systemctl status vsftpd.service
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● vsftpd.service - Vsftpd ftp daemon
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Loaded: loaded (/usr/lib/systemd/system/vsftpd.service; disabled; vendor preset: disabled)
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Active: failed (Result: exit-code) since 三 2016-03-02 08:09:50 EST; 18s ago
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Process: 17087 ExecStart=/usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf (code=exited, status=2)
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Main PID: 16908 (code=killed, signal=TERM)
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3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: Starting Vsftpd ftp daemon...
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3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: vsftpd.service: control process exited, code=exited status=2
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3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: Failed to start Vsftpd ftp daemon.
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3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: Unit vsftpd.service entered failed state.
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3月 02 08:09:50 www.dreamchasinger.cn systemd[1]: vsftpd.service failed.
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[root@www /home/zhoupan]# journalctl -xe
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3月 02 08:10:01 www.dreamchasinger.cn kernel: SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
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3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Created slice user-0.slice.
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-- Subject: Unit user-0.slice has finished start-up
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-- Defined-By: systemd
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-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
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--
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-- Unit user-0.slice has finished starting up.
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--
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-- The start-up result is done.
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3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Starting user-0.slice.
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-- Subject: Unit user-0.slice has begun start-up
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-- Defined-By: systemd
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-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
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--
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-- Unit user-0.slice has begun starting up.
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3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Started Session 18 of user root.
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-- Subject: Unit session-18.scope has finished start-up
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-- Defined-By: systemd
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-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
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--
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-- Unit session-18.scope has finished starting up.
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--
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-- The start-up result is done.
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3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Starting Session 18 of user root.
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-- Subject: Unit session-18.scope has begun start-up
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-- Defined-By: systemd
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-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
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--
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-- Unit session-18.scope has begun starting up.
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3月 02 08:10:01 www.dreamchasinger.cn CROND[17093]: (root) CMD (/usr/lib64/sa/sa1 1 1)
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3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Removed slice user-0.slice.
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-- Subject: Unit user-0.slice has finished shutting down
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-- Defined-By: systemd
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-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
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--
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-- Unit user-0.slice has finished shutting down.
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3月 02 08:10:01 www.dreamchasinger.cn systemd[1]: Stopping user-0.slice.
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-- Subject: Unit user-0.slice has begun shutting down
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-- Defined-By: systemd
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-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
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--
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-- Unit user-0.slice has begun shutting down.
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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
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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
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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
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3月 02 08:10:07 www.dreamchasinger.cn systemd[1]:
我的配置文件内容为:
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[root@www /home/zhoupan]# cat /etc/vsftpd/vsftpd.conf | grep '^[^#]'
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anonymous_enable=YES
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local_enable=YES
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write_enable=YES
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local_umask=022
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xferlog_enable=YES
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connect_from_port_20=YES
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xferlog_file=/var/log/xferlog
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xferlog_std_format=YES
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ftpd_banner=Welcome to blah FTP service.
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listen=YES
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listen_port=21
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listen_ipv6=YES
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pam_service_name=vsftpd
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userlist_enable=YES
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tcp_wrappers=YES
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pasv_enable=YES
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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