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Save system time to RTC on shutdown #91

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Save system time to RTC on shutdown #91

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11 changes: 11 additions & 0 deletions etc/init.d/rc.shutdown
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,17 @@ if ! grep -q "noswap" /proc/cmdline; then
swapoff -a 2>/dev/null
fi

# Save system time back to the Hardware Clock (RTC), unless disabled
# via boot code. Mirrors the logic used in tc-config at boot time.
if ! grep -q "nortc" /proc/cmdline; then
echo "${BLUE}Saving system time to Hardware Clock (RTC).${NORMAL}"
if grep -q "noutc" /proc/cmdline; then
/sbin/hwclock -l -w 2>/dev/null
else
/sbin/hwclock -u -w 2>/dev/null
fi
fi

# Kill all processes except those listed in /var/tmp/k5_skip.
K5_SKIP=$(awk 'BEGIN {RS="[\n ]";ORS=" "}{print "-o "$1}' /var/tmp/k5_skip)
echo "${RED}Killing $K5_SKIP all processes."
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