WebNov 20, 2016 · I would not expect that, I think it only refers to root filesystem. Eg volumes can be rw, and tmpfs etc. The argument for requiring a rw /dev/shm is that it is part of the standard Linux userspace contract, although some programs do not need it of course.. Note it is mounted noexec, nodev, nosuid, so it is fairly low risk. Webmount -o remount / mount: / not mounted already, or bad option i'm using: Centos 6.2 64bit Linux 3.0.0+ #1 SMP Fri Oct 26 07:55:47 EEST 2012 x86_64 x86_64 x86_64 …
mounting /dev/shm with noexec - Unix & Linux Stack Exchange
WebNov 6, 2014 · This option describes that device files are not allowed, like block or character devices. Normally these are only found under /dev and not seen on other mount points. Most mount points will work correctly when these are disabled, with the root file system as an exception. Useful for: /boot /dev/shm /home /tmp /var and data partitions. WebDec 19, 2012 · Add nodev, nosuid, and noexec options to /dev/shm. Edit the file /etc/fstab, enter: # vi /etc/fstab. Locate the /dev/shm line: tmpfs /dev/shm tmpfs defaults 0 0. Append the text ,nodev,nosuid,noexec to the list of mount options in column 4. In the end, your entry should look like as follows: tmpfs /dev/shm tmpfs defaults … photo team croûtons
mount: / not mounted already, or bad option - Super User
WebThis mount does not depend on CONFIG_TMPFS. If CONFIG_TMPFS is not set, the user visible part of tmpfs is not built. But the internal mechanisms are always present. glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for POSIX shared memory (shm_open, shm_unlink). Adding the following line to /etc/fstab should take care of this: WebSince you've previously mounted /dev/sdb directly, it seems that you haven't had a valid partition table before - and have just made a filesystem on the disk. Partition-recovering applications will not work in that setup (as there aren't any partition table to rescue). You're in a situation where file recovery is very difficult, and you should start by doing an … WebServer API version: 1.16. Go version (server): go1.3.3. Git commit (server): 5bc2ff8/1.4.1. I have a working example now with a combination of the commands on the host by punching huge holes in the container with a combination of volumes and ipc: docker run -d -v /dev/shm:/dev/shm --ipc=host dockersharedmemory/shmserver docker run -d -v /dev ... how does surface tension affect bubbles