27 lines
630 B
Bash
Executable File
27 lines
630 B
Bash
Executable File
#!/bin/bash
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if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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# Upgrade CentOS to 7.2
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sudo -E yum upgrade --assumeyes --tolerant
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sudo -E yum update --assumeyes
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# Verify that the kernel is at least 3.10
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function version_gt() { test "$(echo "$@" | tr " " "\n" | sort -V | head -n 1)" != "$1"; }
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kernel_version=`uname -r | cut --bytes=1-4`
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expect_version=3.10
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if version_gt $expect_version $kernel_version; then
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echo "Error: kernel version at least $expect_version, current version $kernel_version"
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exit 1
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fi
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# Enable OverlayFS
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sudo tee /etc/modules-load.d/overlay.conf <<-'EOF'
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overlay
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EOF
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