36 lines
1.2 KiB
Bash
36 lines
1.2 KiB
Bash
# Are we running as root?
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root. Please re-run like this:"
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echo
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echo "sudo $0"
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echo
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exit
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fi
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# Check that we are running on Ubuntu 14.04 LTS (or 14.04.xx).
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if [ "`lsb_release -d | sed 's/.*:\s*//' | sed 's/14\.04\.[0-9]/14.04/' `" != "Ubuntu 14.04 LTS" ]; then
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echo "Mail-in-a-Box only supports being installed on Ubuntu 14.04, sorry. You are running:"
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echo
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lsb_release -d | sed 's/.*:\s*//'
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echo
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echo "We can't write scripts that run on every possible setup, sorry."
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exit
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fi
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# Check that we have enough memory.
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#
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# /proc/meminfo reports free memory in kibibytes. Our baseline will be 768 KB,
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# which is 750000 kibibytes.
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#
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# Skip the check if we appear to be running inside of Vagrant, because that's really just for testing.
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TOTAL_PHYSICAL_MEM=$(head -n 1 /proc/meminfo | awk '{print $2}')
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if [ $TOTAL_PHYSICAL_MEM -lt 750000 ]; then
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if [ ! -d /vagrant ]; then
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TOTAL_PHYSICAL_MEM=$(expr \( \( $TOTAL_PHYSICAL_MEM \* 1024 \) / 1000 \) / 1000)
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echo "Your Mail-in-a-Box needs more memory (RAM) to function properly."
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echo "Please provision a machine with at least 768 MB, 1 GB recommended."
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echo "This machine has $TOTAL_PHYSICAL_MEM MB memory."
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exit
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fi
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fi
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