syslog

xteam@system:~$ sudo service ssh restart
Job for ssh.service failed because the control process exited with error code. See "systemctl status ssh.service" and "journalctl -xe" for details.
xteam@system:~$ tail-100 /var/log/syslog
tail-100: command not found
xteam@system:~$ ^C
xteam@system:~$ tail /var/log/syslog
May 21 08:43:01 system kernel: [44331.690148] wlp2s0: RX AssocResp from bc:f1:f2:7e:a3:1e (capab=0x11 status=0 aid=88)
May 21 08:43:01 system kernel: [44331.691778] wlp2s0: associated
May 21 08:43:01 system wpa_supplicant[1089]: wlp2s0: Associated with bc:f1:f2:7e:a3:1e
May 21 08:43:01 system wpa_supplicant[1089]: wlp2s0: WPA: Key negotiation completed with bc:f1:f2:7e:a3:1e [PTK=CCMP GTK=CCMP]
May 21 08:43:01 system wpa_supplicant[1089]: wlp2s0: CTRL-EVENT-CONNECTED - Connection to bc:f1:f2:7e:a3:1e completed [id=0 id_str=]
May 21 08:43:01 system wpa_supplicant[1089]: wlp2s0: CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-63 noise=9999 txrate=18000
May 21 08:43:01 system NetworkManager[904]: <info>  [1558453381.7538] device (wlp2s0): supplicant interface state: authenticating -> associating
May 21 08:43:01 system NetworkManager[904]: <info>  [1558453381.7544] device (wlp2s0): supplicant interface state: associating -> associated
May 21 08:43:01 system NetworkManager[904]: <info>  [1558453381.7607] device (wlp2s0): supplicant interface state: associated -> completed
May 21 08:43:01 system kernel: [44331.727788] wlp2s0: Limiting TX power to 8 dBm as advertised by bc:f1:f2:7e:a3:1e