*** This bug is a duplicate of bug 1592669 ***
https://bugs.launchpad.net/bugs/1592669
And:
trsbox:~$ sudo journalctl -xe
Feb 17 13:01:41 trsbox.net audit[5682]: AVC apparmor="DENIED" operation="open"
profile="/usr/sbin/mysqld" name="/sys/devices/system/node/" pid=5682
comm="mysqld" requested_mask="r"
Feb 17 13:01:41 trsbox.net audit[5682]: AVC apparmor="DENIED" operation="open"
profile="/usr/sbin/mysqld" name="/proc/5682/status" pid=5682 comm="mysqld"
requested_mask="r" denied_
Feb 17 13:01:41 trsbox.net kernel: audit: type=1400 audit(1487354501.565:143):
apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld"
name="/proc/5682/status" pid=5682 comm=
Feb 17 13:01:41 trsbox.net kernel: audit: type=1400 audit(1487354501.565:144):
apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld"
name="/sys/devices/system/node/" pid=56
Feb 17 13:01:41 trsbox.net kernel: audit: type=1400 audit(1487354501.565:145):
apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld"
name="/proc/5682/status" pid=5682 comm=
Feb 17 13:01:41 trsbox.net systemd[1]: mysql.service: Main process exited,
code=exited, status=2/INVALIDARGUMENT
Feb 17 13:01:42 trsbox.net sshd[5648]: Failed password for root from
183.214.141.101 port 19744 ssh2
Feb 17 13:01:43 trsbox.net sshd[5652]: Failed password for root from
123.183.209.136 port 19999 ssh2
Feb 17 13:01:44 trsbox.net sshd[5652]: Received disconnect from 123.183.209.136
port 19999:11: [preauth]
Feb 17 13:01:44 trsbox.net sshd[5652]: Disconnected from 123.183.209.136 port
19999 [preauth]
Feb 17 13:01:44 trsbox.net sshd[5652]: PAM 2 more authentication failures;
logname= uid=0 euid=0 tty=ssh ruser= rhost=123.183.209.136 user=root
Feb 17 13:01:46 trsbox.net sshd[5648]: Failed password for root from
183.214.141.101 port 19744 ssh2
Feb 17 13:01:48 trsbox.net sshd[5648]: Failed password for root from
183.214.141.101 port 19744 ssh2
Feb 17 13:01:48 trsbox.net sshd[5648]: error: maximum authentication attempts
exceeded for root from 183.214.141.101 port 19744 ssh2 [preauth]
Feb 17 13:01:48 trsbox.net sshd[5648]: Disconnecting: Too many authentication
failures [preauth]
Feb 17 13:01:48 trsbox.net sshd[5648]: PAM 5 more authentication failures;
logname= uid=0 euid=0 tty=ssh ruser= rhost=183.214.141.101 user=root
Feb 17 13:01:48 trsbox.net sshd[5648]: PAM service(sshd) ignoring max retries;
6 > 3
Feb 17 13:01:50 trsbox.net sshd[5729]: error: Could not load host key:
/etc/ssh/ssh_host_ecdsa_key
Feb 17 13:01:50 trsbox.net sshd[5729]: error: Could not load host key:
/etc/ssh/ssh_host_ed25519_key
Feb 17 13:01:51 trsbox.net sshd[5729]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.214.141.101 user=root
Feb 17 13:01:52 trsbox.net sshd[5737]: error: Could not load host key:
/etc/ssh/ssh_host_ecdsa_key
Feb 17 13:01:52 trsbox.net sshd[5737]: error: Could not load host key:
/etc/ssh/ssh_host_ed25519_key
Feb 17 13:01:53 trsbox.net sshd[5739]: error: Could not load host key:
/etc/ssh/ssh_host_ecdsa_key
Feb 17 13:01:53 trsbox.net sshd[5739]: error: Could not load host key:
/etc/ssh/ssh_host_ed25519_key
Feb 17 13:01:53 trsbox.net sshd[5729]: Failed password for root from
183.214.141.101 port 47025 ssh2
Feb 17 13:01:54 trsbox.net sshd[5737]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.41 user=root
Feb 17 13:01:56 trsbox.net sshd[5737]: Failed password for root from
116.31.116.41 port 51681 ssh2
Feb 17 13:01:56 trsbox.net sshd[5739]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.183.209.136 user=root
Feb 17 13:01:57 trsbox.net sshd[5729]: Failed password for root from
183.214.141.101 port 47025 ssh2
Feb 17 13:01:58 trsbox.net sshd[5739]: Failed password for root from
123.183.209.136 port 46328 ssh2
Feb 17 13:01:58 trsbox.net sshd[5737]: Failed password for root from
116.31.116.41 port 51681 ssh2
Feb 17 13:01:59 trsbox.net sshd[5729]: Failed password for root from
183.214.141.101 port 47025 ssh2
Feb 17 13:01:59 trsbox.net sshd[5737]: Failed password for root from
116.31.116.41 port 51681 ssh2
Feb 17 13:02:00 trsbox.net sshd[5737]: Received disconnect from 116.31.116.41
port 51681:11: [preauth]
Feb 17 13:02:00 trsbox.net sshd[5737]: Disconnected from 116.31.116.41 port
51681 [preauth]
Feb 17 13:02:00 trsbox.net sshd[5737]: PAM 2 more authentication failures;
logname= uid=0 euid=0 tty=ssh ruser= rhost=116.31.116.41 user=root
Feb 17 13:02:01 trsbox.net sshd[5739]: Failed password for root from
123.183.209.136 port 46328 ssh2
Feb 17 13:02:02 trsbox.net sshd[5729]: Failed password for root from
183.214.141.101 port 47025 ssh2
Feb 17 13:02:04 trsbox.net sudo[5527]: pam_unix(sudo:session): session closed
for user root
Feb 17 13:02:05 trsbox.net sshd[5729]: Failed password for root from
183.214.141.101 port 47025 ssh2
Feb 17 13:02:06 trsbox.net sudo[5767]: scorch : TTY=pts/0 ; PWD=/home/scorch
; USER=root ; COMMAND=/bin/journalctl -xe
Feb 17 13:02:06 trsbox.net sudo[5767]: pam_unix(sudo:session): session opened
for user root by scorch(uid=0)
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https://bugs.launchpad.net/bugs/1605948
Title:
mysql_upgrade: Got error: 2002: Can't connect to local MySQL server
through socket '/var/run/mysqld/mysqld.sock' (2) while connecting to
the MySQL server
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