Fix small error in grep command for upgrade script
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@ -18,7 +18,7 @@ if [ ! -f /etc/redhat-release ]; then
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exit 1
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exit 1
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fi
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fi
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if grep -qs -v -e "release 6" -e "release 7" /etc/redhat-release; then
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if ! grep -qs -e "release 6" -e "release 7" /etc/redhat-release; then
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echo "Sorry, this script only supports versions 6 and 7 of CentOS/RHEL."
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echo "Sorry, this script only supports versions 6 and 7 of CentOS/RHEL."
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exit 1
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exit 1
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fi
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fi
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