mountit

1 fdisk-l view hard disk and partition informationThe commands under my system (ArchLinux) have the following effects:From the above picture can be learned that the system only mount 1 hard drives, named SDA, it has 2 primary partitions, SDA1 and sda2, as for why so named, you can refer to my other blog: Linux mountIt is obvious that the drive has a capacity of 931.5GB, a total of 1,953,525,168 sectors (sectors), of which 2048-2099200 of the fan is di

/sdb, If you do not need to replace the home partition, You can change home to the name of the folder you want to mountIt is also recommended to mount using the UUID instead of the/DEV/SDB1, because the UUID is the unique identifier of the hard disk.Mount the original/home/on the hard disk mounted in the new folder/old_home/, you can start the purpose of the backup, to be sure that everything is normal after the partition can be formatted old_home fo

hang a large number of NFS file systems. -F: Usually used for debugging purposes. It will makeMountDoes not perform the actual hanging action, but simulates the entire hanging process. Usually and-v is used together. -N: Generally speaking,MountIt hangs on the/etc/.write a file in the mTAB. However, this option can be used to cancel this action if there is no writable file system in the system. -s-r: Equals-o ro-WEqual too rw-L: Split the hard drive

Learn Linux drivers, then how to download data to the Development Board. My main use is two kinds:1.MountIt is convenient to mount the board to an NFS file on the Ubuntu host (provided that Ubuntu installs the NFS service), as I mount the/work/nfs_root directory to Ubuntu, as in the following command　　Mount-t Nfs-o nolock 192.168.1.20:/work/nfs_root/mntSo in the Ubuntu host, put the compiled files into the/work/nfs_root directory, in the MNT directory

process, you can first find the file content in the specified directory at a layer.-FollowFollow the wildcard link query method. In addition, you can ignore the wildcard link query method.-HelpShow command Summary-Maxdepth levelsSearch for directories at a certain level by the descending Method-MountIt is not found in the file system directory. The usage is similar to-xdev.-NoleafDo not optimize searches in non-unux file systems, MS-DOS systems, CD-R

process, you can first find the file content in the specified directory at a layer.-FollowFollow the wildcard link query method. In addition, you can ignore the wildcard link query method.-HelpShow command Summary-Maxdepth levelsSearch for directories at a certain level by the descending Method-MountIt is not found in the file system directory. The usage is similar to-xdev.-NoleafDo not optimize searches in non-unux file systems, MS-DOS systems, CD-R

The following steps assume that a Failover has been stored med to aphysical standby database and that flashback database was enabled on the oldprimary DatabaseAt the time of the Failover. This procedure brings the oldprimary database back into the data guard configuration as a physical standbydatabase. Step 1 determine thescn at which the old standby database became the primary database. On the new primary database, issue the following query to determinethe SCN at which the old standby databas

, you can first find the file content in the specified directory at a layer.-FollowFollow the wildcard link query method. In addition, you can ignore the wildcard link query method.-HelpShow command Summary-Maxdepth levelsSearch for directories at a certain level by the descending Method-MountIt is not found in the file system directory. The usage is similar to-xdev.-NoleafDo not optimize searches in non-unux file systems, MS-DOS systems, CD-ROM file