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I reboot my VPS just now then when I logged in via ssh it says permission denied after inputting my password. I have an OVH linux VPS and I can log into it using KVM from the panel. I didn't set any ssh key and I am wondering what might be the cause. My OS/distribution is Debian 7 (Wheezy) (64-bit version).

ZigZagZebra
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1 Answers1

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Log into server using using KVM and check the below listed things.

vim /etc/ssh/sshd_config

find the below lines PasswordAuthentication if its commented than uncomment it or change it to yes from no

#PasswordAuthentication yes
#PermitEmptyPasswords no
PasswordAuthentication yes

Now check wheather status of ssh service is up and running if its not then

 service ssh status
 service ssh start
 chkconfig ssh on  ( using this service atomatically comes up on next reboot)
imvikasmunjal
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  • If this is an EL based system, then the standard sshd_config file generally lists the defaults but comments them out so your first point may be unnecessary. The chkconfig command is generally only useful for EL based systems <=6 or EL7 based systems with non native system services. The systemctl command should be used in this case. Anyway this is all moot as the OP doesn't say which OS/distro they are using. – user9517 May 10 '16 at 07:31
  • yes, no OS was defined so just given an idea. @lain you can edit this, always posts of seniors are much helpful. – imvikasmunjal May 10 '16 at 07:52
  • @imvikasmunjal I tried your method but it still says permission denied. I add my OS/distribution in my post. After I logging into KVM, I delete the root password, but when I log in via ssh, it still asks for root password. I've tried all the password I know but it doesn't work. – ZigZagZebra May 10 '16 at 14:09
  • try to telnet the port which you are using for ssh, are you able to telnet it from your local system? – imvikasmunjal May 10 '16 at 15:23