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Chapter 4. Preinstallation Tasks
10
Note
You must perform this configuration and set the nproc value to 2048 to ensure the
uninterupted collection of usage statistics and log rotation.
3. Log out.
A reboot is not required for this to take effect; however, the user must be logged out.
4. To check whether the value has been updated, run the following as the cloud user:
# ulimit -u
4.1.7. Enabling NTP for Synchronizing Time
NTP is required to synchronize the clocks of the servers in your cloud. To enable NTP on the host, do
the following:
1. Run the following command to install NTP:
# yum install ntp
2. Using vi editor, edit the NTP configuration file to point to your NTP server.
# vi /etc/ntp.conf
In the NTP configuration file, add one or more servers with the names of the NTP servers you
want to use.
For example:
server 0.xenserver.pool.ntp.org
server 1.xenserver.pool.ntp.org
server 2.xenserver.pool.ntp.org
server 3.xenserver.pool.ntp.org
3. Run the command to restart the NTP client.
# service ntpd restart
4. Make sure NTP will start again upon reboot.
# chkconfig ntpd on