What if I can ping but ssh cannot connect to the virtual machine?

Host ping passes through the virtual machine, but ssh cannot connect:

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ssh openssh-server

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I express helplessness! It was fine before, but suddenly I rebooted the virtual machine and that"s it! How to solve this?

Ubuntu ssh
May.07,2022

the problem has been resolved. sshd service not started! Execute the following command: 

sudo service sshd restart

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b37e51-2c0c1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b37e51-2c0c1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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