I followed this guide to set up ssh key on my digital ocean droplet, but since I made step 4 my file system went read-only. I changed /etc/ssh/sshd_config from PermitRootLogin yes to PermitRootLogin without-password and then reload ssh; and when I logged back in, I had no writing rights anymore.
I can log in using ssh root@123.45.67.89 but it does not ask me for any password, and I can not modify any file.
Before doing this, I upgraded my ubuntu from 12.04 to 14.04, it asked me during the upgrade which setting did I want for PermitRootLogin and when I looked at /etc/ssh/sshd_config after the installation (and after adding my ssh key) it was set on PermitRootLogin yes.
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After a Power cycle I had nothing anymore. I went to the Consol Access and I had to reboot. Then it asked me if I want to solve some problems. I said yes, and it solved them. Thanks!
Run this, and give me the output:
Also, if it comes up with errors, you have 2 choices, with choice 1 being:
Second choice is as follows:
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