综上所述,"started update utmp about system boot/shutdown" 是一句描述系统更新 utmp 文件以记录系统启动和关闭信息的日志信息。utmp 文件在 Unix 和类 Unix 系统中扮演着记录当前登录用户信息和系统状态的重要角色。在处理 utmp 文件时,需要注意权限、格式和并发访问等问题。
Oct 14 17:00:13 localhost systemd: Starting Update UTMP about System Boot/Shutdown... Oct 14 17:00:13 localhost systemd: Started Update UTMP about System Boot/Shutdown. ##到达sysinit.target,激活timers.target,paths.target,sockets.target: Oct 14 17:00:13 localhost systemd: Reached target Syst...
After a lengthy in-place upgrade from RHEL 7 to 8, boot seems to be stuck on the: Raw [ OK ]Started Update UTMP about System Runlevel Changes. This is a fairly old system that used to run RHEL 7.6 ok, has AMD A8 processor and 16GB of RAM. ...
I followed instructions to build BSP kernel image and kind of understood the process, but probably missed something because on boot it gets: [ TIME ] Timed out waiting for device dev-ttyS0.device. [DEPEND] Dependency failed for Serial Ge...
sudo vi /etc/apt/sources.list # Add testing repo (or unstable) deb http://cdn-aws.deb.debian.org/debian testing main deb-src http://cdn-aws.deb.debian.org/debian testing main sudo apt update Install riscv related packages sudo apt install qemu-system-misc opensbi u-boot-qemu ...
Oct 23 12:50:50 ns3018313 systemd[1]: Started Update UTMP about System Boot/Shutdown. Oct 23 12:50:51 ns3018313 systemd[1]: Starting Update UTMP about System Runlevel Changes... Oct 23 12:50:51 ns3018313 systemd[1]: Reached target Network (Pre). ...