Boot

• journalctl --list-boots
• journalctl -b
  • journalctl -b -1
  • journalctl -b -2
• journalctl -xb

Related

• uptime
• journalctl -k (Kernel)
• /boot/ file system
• binfmt
• initrd.img-4.15.0-111-generic
• boot (command)
• who -b
• USB, SD card

See also

• boot, /proc/cmdline, boot (command), /boot/, init
• systemd-journald: journalctl, /etc/systemd/journald.conf, journalctl logs, journalctl --list-boots, journalctl --disk-usage, journalctl -u kubelet, journalctl -u prometheus, journalctl --help
• FHS, /proc/, /proc/net/, /boot/, /run/, /dev/, /usr/, /var/run/, /etc/, /var/, /var/lib/ /var/log/, /var/www/, /opt/, /lib/, /sys/, /proc/kcore, /proc/sys/, /proc/sys/vm/, /snap/, /mnt/, /mnt/data, /var/opt/, /usr/bin/, /lib/, /proc/$PID/, /proc/self/