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Boa noite amigo, what are you trying to do? The command tmpfs does not exists. tmpfs describes a filesystem/storage facility that resides in memory, and will be cleared with a reboot.

In my opinion, the "command" that you are writing there should be part of /etc/fstab. That way you can relocate a file/directory from disk to RAM (and swap). I use this scenario to place /tmp to RAM.

my fstab line looks like this:

none             /tmp/                      tmpfs   size=8% 0 0

Boa noite amigo, what are you trying to do? The command tmpfs does not exists. tmpfs describes a filesystem/storage facility that resides in memory, and will be cleared with a reboot.

In my opinion, the "command" that you are writing there should be part of /etc/fstab. That way you can relocate a file/directory from disk to RAM (and swap). I use this scenario to place /tmp to RAM.RAM, and you could to the same with /opt/jdk.

my fstab line looks like this:

none             /tmp/                      tmpfs   size=8% 0 0

Boa noite amigo, what are you trying to do? The command tmpfs does not exists. tmpfs describes a filesystem/storage facility that resides in memory, and will be cleared with a reboot.

In my opinion, the "command" that you are writing there should be part of /etc/fstab. That way you can relocate a file/directory from disk to RAM (and swap). I use this scenario to place /tmp to RAM, and you could to the same with /opt/jdk.

my fstab line looks like this:

none             /tmp/                      tmpfs   size=8% 0 0

You can use your tweak to relocate /opt/jdk to RAM in order to improve performance. Just place the following to /etc/fstab and reboot

tmpfs /opt/jdk tmpfs defaults,mode=1777 0 0

Boa noite amigo, what are you trying to do? The command tmpfs does not exists. tmpfs describes a filesystem/storage facility that resides in memory, and will be cleared with a reboot.

In my opinion, the "command" that you are writing there should be part of /etc/fstab. That way you can relocate a file/directory from disk to RAM (and swap). I use this scenario to place /tmp to RAM, and you could to the same with /opt/jdk.

my fstab line looks like this:

none             /tmp/                      tmpfs   size=8% 0 0

You can use your tweak to relocate /opt/jdk to RAM in order to improve performance. Just place the following to /etc/fstab and rebootreboot...

tmpfs /opt/jdk tmpfs defaults,mode=1777 0 0

... but be aware, anything in /opt/jdk will be cleared on each reboot.