How To Resize /dev/shm Filesystem In Linux?

1) Open /etc/fstab with vi or any text editor of your choice
2) Locate the line of /dev/shm and use the tmpfs size option to specify your expected size

tmpfs /dev/shm tmpfs defaults,size=1500m 0 0



tmpfs /dev/shm tmpfs defaults,size=2g 0 0

3) To make change effective immediately, run this mount command to remount the /dev/shm filesystem:

mount -o remount /dev/shm

that’s all.


One thought on “How To Resize /dev/shm Filesystem In Linux?

  1. Pingback: Resize /dev/shm Filesystem In Linux | Oracle Blog

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