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Update resetting permissions on /tmp

Discussion in 'General Discussion' started by apc1, Nov 27, 2005.

  1. apc1

    apc1 Well-Known Member

    Oct 18, 2004
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    This is really strange. For several weeks now every time there was an automatic cPanel update it immediately resets the permissions on /tmp, which in turn causes hundreds of Wordpress databases among other things to stop working.

    I have to manually rest the permissions on /tmp to sort everything out.

    I know it is the update causing this because now I have it set to manual update, and every time I run it the manual update the permissions change on /tmp.

    This issue might be more widespread, but unless you have applications that need access to /tmp with the right permissions, e.g. Wordpress, you might not notice it.

    Has anyone else seen this and what can be done about it?

  2. webignition

    webignition Well-Known Member

    Jan 22, 2005
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    What permissions do you need for /tmp and what permissions do you find on /tmp after updates?

    On my system /tmp has permissions of 0777 and this never seems to change. /tmp is mounted as a separate partition with noexec and nosuid. This is under CentOS 3.6.

    How does you system differ? Since I don't have problems and you do, if any differences are ironed out the problem may cease to occur.
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  3. chirpy

    chirpy Well-Known Member

    Jun 15, 2002
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    Go on, have a guess
    /tmp should always be 1777 otherwise you're opening yourself up to exploits amongst other problems.

    IIRC, the last time I saw such an issue, someone had set their backups to go to /tmp which was being chmod'd inappropriatly afterwards, so do check that.

    If that isn't the issue, you could always try creating a file called /scripts/postupcp and add the following to it:
    chmod 1777 /tmp
    and then chmod +x /scripts/postupcp
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