Aug 26 05:51:06 prd-ubuntu1804-builder-4c-4g-15250 passwd[945]: password for 'ubuntu' changed by 'root' Aug 26 05:51:06 prd-ubuntu1804-builder-4c-4g-15250 systemd-logind[1001]: Watching system buttons on /dev/input/event0 (Power Button) Aug 26 05:51:06 prd-ubuntu1804-builder-4c-4g-15250 systemd-logind[1001]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard) Aug 26 05:51:06 prd-ubuntu1804-builder-4c-4g-15250 systemd-logind[1001]: New seat seat0. Aug 26 05:51:06 prd-ubuntu1804-builder-4c-4g-15250 sshd[1059]: Server listening on 0.0.0.0 port 22. Aug 26 05:51:06 prd-ubuntu1804-builder-4c-4g-15250 sshd[1059]: Server listening on :: port 22. Aug 26 05:51:09 prd-ubuntu1804-builder-4c-4g-15250 sshd[1325]: Did not receive identification string from 10.30.104.4 port 51504 Aug 26 05:51:12 prd-ubuntu1804-builder-4c-4g-15250 sshd[1384]: Invalid user jenkins from 10.30.104.4 port 51522 Aug 26 05:51:12 prd-ubuntu1804-builder-4c-4g-15250 sshd[1384]: Received disconnect from 10.30.104.4 port 51522:11: Closed due to user request. [preauth] Aug 26 05:51:12 prd-ubuntu1804-builder-4c-4g-15250 sshd[1384]: Disconnected from invalid user jenkins 10.30.104.4 port 51522 [preauth] Aug 26 05:51:12 prd-ubuntu1804-builder-4c-4g-15250 useradd[1400]: new group: name=jenkins, GID=1001 Aug 26 05:51:12 prd-ubuntu1804-builder-4c-4g-15250 useradd[1400]: new user: name=jenkins, UID=1001, GID=1001, home=/home/jenkins, shell=/bin/bash Aug 26 05:51:14 prd-ubuntu1804-builder-4c-4g-15250 sshd[1466]: Accepted publickey for jenkins from 10.30.104.4 port 51536 ssh2: RSA SHA256:V0799BjlU//1ruj1g81rY7MeNIJkwAJ0Kr3lNX3XaN4 Aug 26 05:51:14 prd-ubuntu1804-builder-4c-4g-15250 sshd[1466]: pam_unix(sshd:session): session opened for user jenkins by (uid=0) Aug 26 05:51:14 prd-ubuntu1804-builder-4c-4g-15250 systemd-logind[1001]: New session 1 of user jenkins. Aug 26 05:51:14 prd-ubuntu1804-builder-4c-4g-15250 systemd: pam_unix(systemd-user:session): session opened for user jenkins by (uid=0) Aug 26 05:52:02 prd-ubuntu1804-builder-4c-4g-15250 CRON[2451]: pam_unix(cron:session): session opened for user root by (uid=0) Aug 26 05:52:02 prd-ubuntu1804-builder-4c-4g-15250 CRON[2451]: pam_unix(cron:session): session closed for user root Aug 26 05:52:51 prd-ubuntu1804-builder-4c-4g-15250 sudo: jenkins : TTY=unknown ; PWD=/w/workspace/oom-master-checkbashisms-lint ; USER=root ; COMMAND=/bin/cp /var/log/auth.log /tmp Aug 26 05:52:51 prd-ubuntu1804-builder-4c-4g-15250 sudo: pam_unix(sudo:session): session opened for user root by (uid=0)