There will be leap second in Amazon Linux on July 01, 2015.
- ntp-4.2.6p5-3 version or later (June2015 latest)
- move ntpd in SLEW mode
If you are using AMIMOTO AMI, please run the following commands in ssh to connect to the instance:
1. ntpd update $ sudo yum update ntp 2. ntpd stop $ sudo service ntpd stop 3. kernel retention time・clear frequency offset $ sudo ntptime -s 0 -f 0 4. change ntpd slew mode boot options $ sudo sed -i -e 's/OPTIONS="(.*)-g"/OPTIONS="1-g -x"/' /etc/sysconfig/ntpd 5. ntpd start $ service ntpd start
We have already done the following for AMIMOTO AMI Managed Hosting clients.