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post_install() { /usr/bin/mv /etc/resolv.conf /etc/resolv.conf.bak /usr/bin/ln -sfT /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf } post_upgrade() { post_install } post_remove() { /usr/bin/unlink /etc/resolv.conf /usr/bin/mv /etc/resolv.conf.bak /etc/resolv.conf }