The mount command - mounted read-only, solution

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https://blog.csdn.net/qq_21334991/article/details/78589851Specific content:

2. Mount the CD

a.mkdir /mnt/cdrom/ create a mount point

b.mount -t iso9660 /dev/cdrom /mnt/cdrom mount

c.umount /mnt/cdrom unmount

3. Mount U disk

a.fdisk -l View U disk device file name

b.mount -t vfat /dev/sdb1 /mnt/USB/ fat32 recognized as vfat, fat16 recognized as fat

4. Mount mobile hard disk (Linux does not recognize NTFS format by default)

a. Download NTFS-3G

b. Install using gcc

c.mount -t ntfs-3g /dev/sda5 /mnt/USB/ (refer to NTFS-3g official website)

1.mount command [-t filesystem] [-L volume label name] [-o special option] device file name mount point

-l Query the mounted devices in the system, -l will display the volume label

-a Automatically mount according to the content of the configuration file /etc/fstab

-t system file, add the system type to specify the mount type, can be ext3, ext4, iso9660 and other system files

-L volume label name: mount the specified partition, not the device file name mount

-o special option: additional options can be specified to mount

atime/noatime Update access time/do not update access time.Whether to update the access time of the file when accessing the partition, the default update

async/sync async/sync default async

Auto/noauto Automatic/manual When the mount -a command is executed, whether the content of the /etc/fstab file will be automatically mounted, the default is automatic

Defaults Define default values, equivalent to seven options of rw, suid, dev, exec, auto, nouser, and async

exec/noexec execute/no execute, set the master to allow executable files to be executed in the file system, the default is exec permission

Remount Remount the mounted file system, generally used to modify special permissions

rw/ro read-write/read-only, when the file system is mounted, whether there is read-write permission, default rw

suid/nosuid with/without SUID permission, set whether the file system has SUID permission, default has

User/nouser Allow/disallow ordinary users to mount, set whether the file system allows ordinary users to mount, the default is not allowed, only root can mount partitions

usrquata Write means that the file system supports user disk quotas, which are not supported by default

grpquata write means that the file system supports group disk quotas, which are not allowed by default

eg: mount -o remount, noexec /home makes executable files not executable in the /home directory