centos7 系统日志详解 boot.log, 请各位大神详细介绍下每一行的意思和对应的文件。

吴俊言 2019-12-30 02:42:03

[ OK ] Started Show Plymouth Boot Screen.
[ OK ] Reached target Paths.
[ OK ] Reached target Basic System.
[ OK ] Found device /dev/disk/by-uuid/eb448abb-3012-4d8d-bcde-94434d586a31.
Starting File System Check on /dev/...b-3012-4d8d-bcde-94434d586a31...
[ OK ] Started dracut initqueue hook.
[ OK ] Reached target Remote File Systems (Pre).
[ OK ] Reached target Remote File Systems.
[ OK ] Started File System Check on /dev/d...abb-3012-4d8d-bcde-94434d586a31.
Mounting /sysroot...
[ OK ] Mounted /sysroot.
[ OK ] Reached target Initrd Root File System.
Starting Reload Configuration from the Real Root...
[ OK ] Started Reload Configuration from the Real Root.
[ OK ] Reached target Initrd File Systems.
[ OK ] Reached target Initrd Default Target.
Starting dracut pre-pivot and cleanup hook...
[ OK ] Started dracut pre-pivot and cleanup hook.
Starting Cleaning Up and Shutting Down Daemons...
Starting Plymouth switch root service...
[ OK ] Stopped target Timers.
[ OK ] Stopped Cleaning Up and Shutting Down Daemons.
[ OK ] Stopped dracut pre-pivot and cleanup hook.
Stopping dracut pre-pivot and cleanup hook...
[ OK ] Stopped target Initrd Default Target.
[ OK ] Stopped target Basic System.
[ OK ] Stopped target Sockets.
[ OK ] Stopped target System Initialization.
[ OK ] Stopped Apply Kernel Variables.
Stopping Apply Kernel Variables...
[ OK ] Stopped target Local File Systems.
[ OK ] Stopped target Swap.
Stopping udev Kernel Device Manager...
[ OK ] Stopped target Slices.
[ OK ] Stopped target Paths.
[ OK ] Stopped target Remote File Systems.
[ OK ] Stopped target Remote File Systems (Pre).
[ OK ] Stopped dracut initqueue hook.
Stopping dracut initqueue hook...
[ OK ] Stopped udev Coldplug all Devices.
Stopping udev Coldplug all Devices...
[ OK ] Stopped udev Kernel Device Manager.
[ OK ] Stopped Create Static Device Nodes in /dev.
Stopping Create Static Device Nodes in /dev...
[ OK ] Stopped Create list of required sta...ce nodes for the current kernel.
Stopping Create list of required st... nodes for the current kernel...
[ OK ] Stopped dracut pre-udev hook.
Stopping dracut pre-udev hook...
[ OK ] Stopped dracut cmdline hook.
Stopping dracut cmdline hook...
[ OK ] Closed udev Kernel Socket.
[ OK ] Closed udev Control Socket.
Starting Cleanup udevd DB...
[ OK ] Started Cleanup udevd DB.
[ OK ] Reached target Switch Root.
[ OK ] Started Plymouth switch root service.
Starting Switch Root...

Welcome to CentOS Linux 7 (Core)!

[ OK ] Stopped Switch Root.
[ OK ] Stopped Journal Service.
Starting Journal Service...
[ OK ] Listening on udev Kernel Socket.
[ OK ] Reached target Swap.
[ OK ] Set up automount Arbitrary Executab...ats File System Automount Point.
[ OK ] Listening on Device-mapper event daemon FIFOs.
[ OK ] Listening on LVM2 metadata daemon socket.
[ OK ] Created slice system-serial\x2dgetty.slice.
[ OK ] Created slice User and Session Slice.
[ OK ] Reached target Remote File Systems.
[ OK ] Reached target Slices.
Mounting POSIX Message Queue File System...
[ OK ] Listening on Delayed Shutdown Socket.
Starting Apply Kernel Variables...
Starting Remount Root and Kernel File Systems...
[ OK ] Reached target Encrypted Volumes.
[ OK ] Created slice system-selinux\x2dpol...grate\x2dlocal\x2dchanges.slice.
[ OK ] Listening on udev Control Socket.
Starting Create list of required st... nodes for the current kernel...
[ OK ] Listening on /dev/initctl Compatibility Named Pipe.
Mounting Huge Pages File System...
Starting Monitoring of LVM2 mirrors... dmeventd or progress polling...
[ OK ] Stopped target Switch Root.
[ OK ] Stopped target Initrd Root File System.
[ OK ] Stopped target Initrd File Systems.
Mounting Debug File System...
[ OK ] Created slice system-getty.slice.
[ OK ] Listening on LVM2 poll daemon socket.
[ OK ] Mounted POSIX Message Queue File System.
[ OK ] Started Journal Service.
[ OK ] Started Apply Kernel Variables.
[ OK ] Started Create list of required sta...ce nodes for the current kernel.
Starting Create Static Device Nodes in /dev...
[ OK ] Mounted Debug File System.
[ OK ] Mounted Huge Pages File System.
[ OK ] Started Remount Root and Kernel File Systems.
Starting Flush Journal to Persistent Storage...
Starting Configure read-only root support...
Starting Load/Save Random Seed...
Starting Rebuild Hardware Database...
[ OK ] Started Load/Save Random Seed.
[ OK ] Started Create Static Device Nodes in /dev.
Starting udev Kernel Device Manager...
[ OK ] Started LVM2 metadata daemon.
Starting LVM2 metadata daemon...
[ OK ] Started udev Kernel Device Manager.
[ OK ] Started Configure read-only root support.
[ OK ] Started Rebuild Hardware Database.
Starting udev Coldplug all Devices...
[ OK ] Started udev Coldplug all Devices.
[ OK ] Found device /dev/vdb.
[ OK ] Found device /dev/ttyS0.
[ OK ] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling.
[ OK ] Reached target Local File Systems (Pre).
Mounting /data/mysql...
[ OK ] Mounted /data/mysql.
[ OK ] Reached target Local File Systems.
Starting Import network configuration from initramfs...
Starting Rebuild Journal Catalog...
Starting Tell Plymouth To Write Out Runtime Data...
[ OK ] Started Rebuild Journal Catalog.
Starting Update is Completed...
[ OK ] Started Import network configuration from initramfs.
[ OK ] Started Update is Completed.
[ OK ] Started Tell Plymouth To Write Out Runtime Data.
[ OK ] Started Flush Journal to Persistent Storage.
Starting Create Volatile Files and Directories...
[ OK ] Started Create Volatile Files and Directories.
Starting Security Auditing Service...
[ OK ] Started Security Auditing Service.
Starting Update UTMP about System Boot/Shutdown...
[ OK ] Started Update UTMP about System Boot/Shutdown.
[ OK ] Reached target System Initialization.
[ OK ] Reached target Paths.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Reached target Timers.
[ OK ] Listening on Docker Socket for the API.
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
[ OK ] Started irqbalance daemon.
Starting irqbalance daemon...
Starting Authorization Manager...
[ OK ] Started D-Bus System Message Bus.
Starting D-Bus System Message Bus...
[ INFO ] Network Manager is not active.
[DEPEND] Dependency failed for Network Manager Wait Online.
Starting Dump dmesg to /var/log/dmesg...
[ OK ] Started 云监控，主机监控，CmsGoAgent.
Starting 云监控，主机监控，CmsGoAgent...
Starting Login Service...
Starting LSB: Bring up/down networking...
Starting System Logging Service...
Starting Permit User Sessions...
Starting Resets System Activity Logs...
[ OK ] Started Dump dmesg to /var/log/dmesg.
[ OK ] Started Permit User Sessions.
[ OK ] Started Command Scheduler.
Starting Command Scheduler...
Starting Terminate Plymouth Boot Screen...
Starting Wait for Plymouth Boot Screen to Quit...
[ OK ] Started Job spooling tools.
Starting Job spooling tools...
[ OK ] Started Authorization Manager.
[ OK ] Started Login Service.
[ OK ] Started System Logging Service.
[ OK ] Started Resets System Activity Logs.
Dec 18 15:26:31 centos7 NET[727]: /usr/sbin/dhclient-script : updated /etc/resolv.conf

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