全編目次
- 概要
- 必須編
- part01 - Environment
- part02 - Security
- part03 - Host networking
- part04 - Network Time Protocol (NTP) ◀here now
- part05 - OpenStack packages
- part06 - SQL database
- part07 - Message queue
- part08 - Memcached
- part09 - Etcd
- part10 - Install OpenStack services
- part11 - Identity service (Keystone)
- part12 - Image service (Glance)
- part13 - Placement service (Placement)
- part14 - Compute service (Nova) - controller node
- part15 - Compute service (Nova) - compute node
- part16 - Networking service (Neutron) - controller node
- part17 - Networking service (Neutron) - compute node
- part18 - Launch an instance - Network Option 1
- part19 - Dashboard (Horizon)
- 応用編
- part20 - Networking service (Neutron) - controller node
- part21 - Networking service (Neutron) - compute node
- part22 - Launch an instance - Network Option 2
- part23 - Block Storage service (Cinder) - LVM backend
- part24 - Block Storage service (Cinder) - NFS backend
- part25 - Launch an instance - Block Storage
Network Time Protocol (NTP)
コントローラノードは任意のNTPサーバを参照する。当環境では「ntp01」を使用する。
その他ノードはコントローラノードをNTPサーバとして参照する。
★図
Controller node
dnf -y install chrony
cp -p /etc/chrony.conf{,_org}
ls -l /etc/chrony.conf{,_org}
sed -i \ -e 's/pool 2.centos.pool.ntp.org iburst/server ntp01 iburst/g' \ -e 's@#allow 192.168.0.0/16@allow 172.16.0.0/24@g' \ /etc/chrony.conf
diff /etc/chrony.conf{,_org}
cat /etc/chrony.conf
systemctl enable --now chronyd.service systemctl status --no-pager -l chronyd.service systemctl is-active chronyd.service systemctl is-enabled chronyd.service
Other nodes
dnf -y install chrony
cp -p /etc/chrony.conf{,_org}
ls -l /etc/chrony.conf{,_org}
sed -i \ -e 's/pool 2.centos.pool.ntp.org iburst/server ctr01 iburst/g' \ /etc/chrony.conf
diff /etc/chrony.conf{,_org}
cat /etc/chrony.conf
systemctl enable --now chronyd.service systemctl status --no-pager -l chronyd.service systemctl is-active chronyd.service systemctl is-enabled chronyd.service
Verify operation
chronyc sources
