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# How to Synchronize Time with NTP on CloudCone Servers


| **N**etwork **T**ime **P**rotocol is used to synchronize computer clocks across multiple systems. 
**You can follow this guide to synchronize the time on your CloudCone server.**



* First, you would need to ensure to have **ntpdate** installed on your server. Log in to your server via VNC and run the following command to install;


|| [On Debian/Ubuntu] 
```[root@cloudcone ~]$ apt-get install ntpdate``` 
|| [On CentOS/RHEL] 
```[root@cloudcone ~]$ yum install ntpdate``` 

* Then, you can run the following command to synchronize the time on your server;

```[root@cloudcone ~]$ ntpdate -u ntp.cloudcone.com```

* After running the command, you should receive a prompt with the updated time like the example below;

```16 Apr 09:35:56 ntpdate[10212]: adjust time server 173.82.15.22 offset -0.000841 sec```



|||  * After synchronizing the time on your server, you would need to add ntp.cloudcone.com to the ntp pool, to avoid the time resetting after the server reboots. You can use an editor to do this, in this example we will use **'nano'**


```[root@cloudcone ~]$ nano /etc/ntp.conf```

* After entering the above command, you will see the list of ntp pool servers listed. Create a new line above the first ntp server and add **ntp.cloudcone.com** to the list like the examples below;

|| [On Debian/Ubuntu]
 ```# Use servers from the NTP Pool Project. Approved by Ubuntu Technical Board
# on 2011-02-08 (LP: #104525). See http://www.pool.ntp.org/join.html for
# more information.
pool ntp.cloudcone.com iburst
pool 0.ubuntu.pool.ntp.org iburst
pool 1.ubuntu.pool.ntp.org iburst
pool 2.ubuntu.pool.ntp.org iburst
pool 3.ubuntu.pool.ntp.org iburst```

|| [On CentOS/RHEL]
 ```# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
server ntp.cloudcone.com iburst
server 0.centos.pool.ntp.org iburst
server 1.centos.pool.ntp.org iburst
server 2.centos.pool.ntp.org iburst
server 3.centos.pool.ntp.org iburst```


|| If you do not see anything on CentOS with the editor, run the command; ```[root@cloudcone ~]$ yum install ntp -y``` - and try again

* Save the new file with **Ctrl+O** [Write Out] and exit the editor **[Ctrl+X]**;


| **Congratulations! You have successfully synchronized the time on your CloudCone server! **