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Permission denied message when installing vmtools

When installing vmtools on a linux machine inside the /tmp directory, got this error:
./ /usr/bin/perl: bad interpreter: Permission denied

Then looked at tmp for permissions:
lrwxrwxrwx   1 root root     31 Mar  6 11:13

It seems ok but if /etc/fstab has noexec option like:
LABEL=/tmp    /tmp    ext3    nosuid,noexec,nodev    1    2

Changed with this one and remount again:
LABEL=/tmp    /tmp    ext3    defaults    1    2


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