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on 09/15/2008 05:57 PM Sebastian Redl wrote the following: |
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> Thanasis wrote: |
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>> I attach the /etc/init.d/clock which shows a local "readonly" |
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>> variable that controls a "--noadjfile" option. |
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>> What does the following test do? |
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>> |
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>> if ! touch /etc/adjtime 2>/dev/null ; then |
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>> readonly="yes" |
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>> elif [[ ! -s /etc/adjtime ]] ; then |
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>> echo "0.0 0 0.0" > /etc/adjtime |
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>> fi |
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> First it tests if a touch of /etc/adjtime succeeds. If not, the file |
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> is not writeable, and it sets the readonly variable. |
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> |
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> Then it tests if /etc/adjtime exists (it does, since the touch |
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> succeeded) and has non-zero size. If not, it writes a zero adjust into |
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> the file. |
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> |
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> Sebastian |
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How can I make /etc/adjtime readonly? I tried "chmod a-w /etc/adjtime", |
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but root can always write to it :-) , unless the init script doesn't run |
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as root. |
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