cat /etc/os-release |
Distribution and version, on every modern distribution. |
uname -r |
Kernel version (uname -a for everything). |
hostnamectl |
Hostname, OS, kernel, architecture and hardware model. |
uptime -p |
How long the system has been running. |
last reboot |
Reboot history. |
journalctl -b -1 -p err |
Errors from the previous boot, e.g. after a crash. |
systemctl --failed |
Services that failed to start. |
systemd-analyze blame |
Which services slow down the boot. |
timedatectl |
Time, time zone and whether NTP sync is active. |
fastfetch |
A summary with the distribution logo. |