こちらを参考に、まずはGNOME GUI環境を構築。
yum update grub2-common yum install fwupdate-efi
syncthing のInstall
https://copr.fedorainfracloud.org/coprs/daftaupe/syncthing/
参考に /etc/yum.repos.d へ syncthing.repo を作成。
[daftaupe-syncthing] name=Copr repo for syncthing owned by daftaupe baseurl=https://copr-be.cloud.fedoraproject.org/results/daftaupe/syncthing/epel-7-$basearch/ type=rpm-md skip_if_unavailable=True gpgcheck=1 gpgkey=https://copr-be.cloud.fedoraproject.org/results/daftaupe/syncthing/pubkey.gpg repo_gpgcheck=0 enabled=1 enabled_metadata=1
yum install syncthing
firewalld の設定
firewall-cmd --list-services --zone=public --permanent >ssh dhcpv6-client http firewall-cmd --add-service=syncthing --zone=public --permanent >success firewall-cmd --reload >success >ssh dhcpv6-client http syncthing
syncthing を（root権限で）有効化
systemctl enable syncthing@root.service systemctl start syncthing@root.service
syncthing の使い方。
https://rcmdnk.com/blog/2016/04/27/computer-network/