# install etcdwget https://github.com/etcd-io/etcd/releases/download/v3.4.13/etcd-v3.4.13-linux-amd64.tar.gztar -xvf etcd-v3.4.13-linux-amd64.tar.gz && \    cd etcd-v3.4.13-linux-amd64 && \    sudo cp -a etcd etcdctl /usr/bin/
# add OpenResty sourcesudo yum install yum-utilssudo yum-config-manager --add-repo https://openresty.org/package/centos/openresty.repo
# install OpenResty and some compilation toolssudo yum install -y openresty curl git gcc openresty-openssl111-devel unzip
# install LuaRockscurl https://raw.githubusercontent.com/apache/apisix/master/utils/linux-install-luarocks.sh -sL | bash -
# start etcd servernohup etcd &
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