On Tuesday 30 May 2017 02:20:44 Nikos Chantziaras wrote: > On 05/29/2017 10:13 PM, Walter Dnes wrote: > > On Mon, May 29, 2017 at 10:05:02PM +0300, Mart Raudsepp wrote > > > >> Ühel kenal päeval, E, 29.05.2017 kell 14:47, kirjutas Walter Dnes: > >>> I was using a chroot, and I bind-mounted the chroot's /dev and > >>> > >>> /proc > >>> and /sys on top of the host machine's directories. Bad idea... I now > >>> have a 10 megabyte /dev/shm on the host. Is it possible to resize > >>> /dev/shm to approx 1 gigabyte without rebooting? > >> > >> mount -oremount,size=1G /dev/shm > >> > >> Provided it's a tmpfs like it is for me. > >> > > Thanks; that pointed me in the right direction. The command gave me a > > > > response "mount: /dev/shm not mounted or bad option". After some trial > > and error, I found I had to... > > > > mount -o remount,size=1G /dev > > That does not look correct. /dev/shm should be a separate mount point, > independent of /dev.
+1 Perhaps it could not be unmounted at the time Walter tried it and this is why it failed. If a specific size is required then it can also be added into the fstab: none /dev/shm tmpfs defaults,size=1G 0 0 Then umount followed by mount /dev/shm should get the desired size. -- Regards, Mick
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