linux笔记·故障排查·su命令切换用户带来的问题
故障现象:
su:warning: cannot change directory to /home/oracle: Permission denied
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linux笔记·故障排查·系统无法启动
这种情况多由于异常断电 不正常关机 引起文件系统结构不一致导致的 此种问题发生 在系统启动的时候 屏幕会显示
checking root filesystem
/dev/sdb5 contains a file system with errors, check forced
/dev/sdb5: UNEXPECTED INCONSISTENCY;RUN fsck MANUALLY
(i.e., without -a or -p options) FAILED
Press enter for maintenance
(or type Control-D to continue)
give root password for maintenance
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