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How to remount as read-write a specific mount of device? 0 mount -o rw,remount foo will remount foo mount point rw If there is a foo bar mount point (whether ro or rw), the mount command will likely fail If there are foo what and foo ever directories, those will be rw as well If your read-only mount point is foo bar baz then mount -o rw,remount foo will keep other mount points read only
Why does Linux allow ‘init= bin bash’? - Unix Linux Stack Exchange Specifying rw tells the kernel to boot with the hard disk in read-write mode instead of read-only mode Traditionally the kernel starts with the disk in read-only mode and a process later on checks the integrity of the disk before switching to read-write
NFS partition mounted as read only - Unix Linux Stack Exchange This looks more like a permissions problem to me than a read-only filesystem From the pi, can you make the export data directory temporarily world-writable? If so, can you now write from the client? When you create a file this way, who is the owner? Without no_root_squash, your root user is mapped to nobody Otherwise, you'll need to map the user from the client to a user on the pi
mount: is busy when trying to mount as read-only so that I can run . . . dev sda1 ext2 relatime,rw,errors=remount-ro 0 1 becomes: dev sda1 ext2 noatime,ro 0 1 On reboot, the filesystem will be mounted read-only, so you can run zerofree on it When you're finished, remount the filesystem read write again (mount -o remount,rw ) and undo your changes to etc fstab