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#!/bin/sh
supported_kernel() {
case "$(uname -r)" in
2.[012345].*|2.6.[0-9]|2.6.[0-9][!0-9]*) return 1 ;;
2.6.1[0-7]|2.6.1[0-7][!0-9]*) return 1 ;;
esac
return 0
}
check_kernel() {
if ! supported_kernel; then
echo "WARNING: kernel < 2.6.18"
fi
if ! grep -qs devpts /proc/filesystems; then
echo "WARNING: kernel does not support devpts"
fi
if ! grep -qs tmpfs /proc/filesystems; then
echo "WARNING: kernel does not support tmpfs"
fi
}
if [ -d /proc ]; then
mount -n -t proc proc /proc
fi
check_kernel
if [ -d /sys ]; then
mount -n -t sysfs sysfs /sys
fi
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