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Select Code to Download


  1. or download this
    my $code = system(q{apt-get -qq -o 'Debug::NoLocking=true' --simulate 
+upgrade});
print "code: ";
print ($code & 127);
print ";\n";
  2. or download this
    code: 0;
  3. or download this
    $ apt-get -qq -o 'Debug::NoLocking=true' --simulate upgrade
E: Unmet dependencies. Try using -f.
$ echo $?
100