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OVH New Server installed with Centminmod, SSH access suddenly stops working :/

Discussion in 'Dedicated server hosting' started by rdan, Aug 17, 2016.

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  1. Aug 17, 2016 #1
    rdan

    rdan Well-Known Member

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    I have this server setup just last week, 9 days ago (was working fine for several days).
    But SSH on custom port suddenly stops working :(.
    Just return "Connection timed out" error on console.

    I can ping the server IP fine
    I can visit the IP and all it's website hosted fine
    I can connect to FTP account I manually created fine.

    Only SSH stops working.

    Any advice on what to do please?
     
  2. Aug 17, 2016 #2
    eva2000

    eva2000 Administrator Staff Member

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  3. Aug 17, 2016 #3
    rdan

    rdan Well-Known Member

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    9 or 10 days ago.
    Most probably 7 days ago or 3 days after I setup the server.
    I change it via centmin menu, and change it after I install centminmod.
     
  4. Aug 17, 2016 #4
    eva2000

    eva2000 Administrator Staff Member

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    fyi what is output for these commands
    Code (Text):
    awk '/^Port / {print $2}' /etc/ssh/sshd_config
netstat -plant | grep sshd | grep ':22'
DETECTED_PORT=$(awk '/^Port / {print $2}' /etc/ssh/sshd_config)
netstat -plant | grep sshd | grep ":$DETECTED_PORT"
     
  5. Aug 17, 2016 #5
    rdan

    rdan Well-Known Member

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  6. Aug 17, 2016 #6
    rdan

    rdan Well-Known Member

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    I can't connect to the server :(.
     
  7. Aug 17, 2016 #7
    rdan

    rdan Well-Known Member

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    If only this is DigitalOcean or Linode, I can run that fine on site their control panel.
    But this is OVH :(.
     
  8. Aug 17, 2016 #8
    eva2000

    eva2000 Administrator Staff Member

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    i believe you can pay or rent the IPMI KVM out of bandwidth console at OVH ? or just reinstall fresh again
     
  9. Aug 17, 2016 #9
    rdan

    rdan Well-Known Member

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    Ow, I have 5 sites hosted on that server running with live traffic :(.
    I can't re-install it :(.
     
  10. Aug 17, 2016 #10
    eva2000

    eva2000 Administrator Staff Member

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    contact OVH support :)
     
  11. Aug 17, 2016 #11
    eva2000

    eva2000 Administrator Staff Member

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    and KVM IP: a module for your dedicated server- OVH

     
  12. Aug 17, 2016 #12
    eva2000

    eva2000 Administrator Staff Member

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    also fyi when you run centmin.sh menu option 16 to change sshd port see message and hint for such issues
    Code (Text):
    *************************************
To check to see if you can access your server via the new port
keep this existing SSH2 connection open, and start a new SSH2
connection to this server connecting via the new SSH2 port
if you can connect, then it's working.

If you can't connect, using your existing SSH2 logged in
connection, edit and check /etc/csf/csf.conf and your iptables
/etc/sysconfig/iptables and service iptables status
making sure the new port number you specified is correctly set
*************************************************
     
  13. Aug 17, 2016 #13
    rdan

    rdan Well-Known Member

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    It's correctly set.
    I successfully connect to new custom port fine for 3-4 days.
     
  14. Aug 17, 2016 #14
    eva2000

    eva2000 Administrator Staff Member

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    on in that case not related i don't think, something else is causing your problem

    OVH support ;)
     
  15. Aug 17, 2016 #15
    rdan

    rdan Well-Known Member

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    I can use this?
    upload_2016-8-17_13-0-19.png

    upload_2016-8-17_13-1-2.png


    Or that is different?
     
  16. Aug 17, 2016 #16
    eva2000

    eva2000 Administrator Staff Member

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    yup believe that is it but double check with OVH support as i never used OVH only SoYouStart and that KVM IP is optional at additional cost !

    upload_2016-8-17_15-5-59.png
     
  17. Aug 17, 2016 #17
    eva2000

    eva2000 Administrator Staff Member

    54,857
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    113
    May 24, 2014
    Brisbane, Australia
    Ratings:
    +18,809
    Local Time:
    2:59 PM
    Nginx 1.27.x
    MariaDB 10.x/11.4+
  18. Aug 17, 2016 #18
    eva2000

    eva2000 Administrator Staff Member

    54,857
    12,238
    113
    May 24, 2014
    Brisbane, Australia
    Ratings:
    +18,809
    Local Time:
    2:59 PM
    Nginx 1.27.x
    MariaDB 10.x/11.4+
  19. Aug 17, 2016 #19
    rdan

    rdan Well-Known Member

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    I just don't know what command I run the correct command, I just want to run csf -x.
    But it doesn't let me type that command on this window:
     
  20. Aug 17, 2016 #20
    eva2000

    eva2000 Administrator Staff Member

    54,857
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    May 24, 2014
    Brisbane, Australia
    Ratings:
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    Local Time:
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    Nginx 1.27.x
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    launch console form browser or java .. contact OVH support
     
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