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mounting tmp - no space on device [message #35666]

Sun, 12 April 2009 19:05

devonblzx
Messages: 127
Registered: December 2006

Senior Member

Hello,

To secure the /tmp partition, we try to mount it with noexec,nosuid with:

mount -t tmpfs -o noexec,nosuid tmpfs /tmp/

However, we notice that after a while it will claim there is no space left on the device on the /tmp partition which causes issues with sessions and other web scripts.

Even after removing all the files in /tmp it will still claim there is no space.

Any ideas how to solve this?

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Re: mounting tmp - no space on device [message #35669 is a reply to message #35666]

Mon, 13 April 2009 11:31

maratrus
Messages: 1495
Registered: August 2007
Location: Moscow

Senior Member

Hello,

where did the problem happen, on the HN or inside the VE?

Quote:

we try to mount it with noexec,nosuid

Could you please check if these options caused the problem?
Were there any problems while these options were not used?

Quote:

However, we notice that after a while it will claim there is no space left on the device on the /tmp partition which causes issues with sessions and other web scripts.

Even after removing all the files in /tmp it will still claim there is no space.

Could you please show

# ls -l /proc/mounts
# cat /proc/mounts
# df -h
# df -i

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Re: mounting tmp - no space on device [message #35674 is a reply to message #35666]

Mon, 13 April 2009 18:49

devonblzx
Messages: 127
Registered: December 2006

Senior Member

# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/simfs 100G 41G 60G 41% /
tmpfs 3.9G 2.6M 3.9G 1% /tmp

# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/simfs 4000000 311266 3688734 8% /
tmpfs 1011060 171 1010889 1% /tmp

# cat /proc/mounts
simfs / simfs rw 0 0
/proc /proc proc rw 0 0
/sys /sys sysfs rw 0 0
none /dev/pts devpts rw 0 0
tmpfs /tmp tmpfs rw,nosuid,noexec 0 0

Not sure about if it happens without nosuid and noexec yet.

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