yipiaoyiyu的专栏

软连接ln[root@even tmp]# ln --helpUsage: ln [OPTION]... [-T] TARGET LINK_NAME (1st form)or: ln [OPTION]... TARGET (2nd form)or: ln [OPTION]... TARGET... DIRECTORY (3rd form)or: ln [OPTION]... -t DIRECTORY TARGET... (4th form)In the 1st form, create a li

软连接ln[root@even tmp]# ln --helpUsage: ln [OPTION]... [-T] TARGET LINK_NAME (1st form)or: ln [OPTION]... TARGET (2nd form)or: ln [OPTION]... TARGET... DIRECTORY (3rd form)or: ln [OPTION]... -t DIRECTORY TARGET... (4th form)In the 1st form, create a li

[root@db87:/soft/cdrom] $umount -f /dev/sr0 umount2: Device or resource busy umount: /soft/cdrom: device is busy. (In some cases useful info about processes that use the device is

情形：安装suse+db2 hadr时，磁盘是挂载移动硬盘上的，手欠把移动硬盘给拔了，重启下发现lv状态不对suse80:/dev # mount /dev/rootvg/db2ecdslv /db2ecds mount: special device /dev/rootvg/db2ecdslv does not exist suse80:/dev # lvdisplay — Lo