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Instruct NetPlan to use systemd-networkd #3030

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Merged
merged 2 commits into from
Sep 19, 2025
Merged

Instruct NetPlan to use systemd-networkd #3030

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Instruct NetPlan to use systemd-networkd
hanwen-cluster Sep 19, 2025
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Merge branch 'release-3.14' into developsep19
hanwen-cluster Sep 19, 2025
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16 changes: 16 additions & 0 deletions cookbooks/aws-parallelcluster-platform/resources/dcv/partial/_ubuntu_common.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -81,4 +81,20 @@ def optionally_disable_rnd
command "sed --in-place '/RANDFILE/d' /etc/ssl/openssl.cnf"
end
end

def post_install
# ubuntu-desktop comes with NetworkManager. On a cloud instance NetworkManager is unnecessary and causes delay.
# Instruct Netplan to use networkd for better performance
bash 'Instruct Netplan to use networkd' do
code <<-NETPLAN
set -e
cat > /etc/netplan/95-parallelcluster-force-networkd.yaml << 'EOF'
network:
version: 2
renderer: networkd
EOF
netplan apply
NETPLAN
end unless on_docker?
end
end
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