> For the complete documentation index, see [llms.txt](https://prime-stake-pool.gitbook.io/node-setup-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prime-stake-pool.gitbook.io/node-setup-guide/server-settings/setting-up-chrony.md).

# Setting Up chrony

Installation

To install chrony, type:

```
sudo apt-get install chrony -y
```

To create the `chrony.conf` config file, copy and paste the following:

```
cat > $HOME/chrony.conf << EOF
pool time.google.com       iburst minpoll 1 maxpoll 2 maxdelay 0.3 maxsources 3
pool ntp.ubuntu.com        iburst minpoll 1 maxpoll 2 maxdelay 0.3 maxsources 3
pool us.pool.ntp.org     iburst minpoll 1 maxpoll 2 maxdelay 0.3 maxsources 3

# This directive specify the location of the file containing ID/key pairs for
# NTP authentication.
keyfile /etc/chrony/chrony.keys

# This directive specify the file into which chronyd will store the rate
# information.
driftfile /var/lib/chrony/chrony.drift

# Uncomment the following line to turn logging on.
#log tracking measurements statistics

# Log files location.
logdir /var/log/chrony

# Stop bad estimates upsetting machine clock.
maxupdateskew 5.0

# This directive enables kernel synchronisation (every 11 minutes) of the
# real-time clock. Note that it can’t be used along with the 'rtcfile' directive.
rtcsync

# Step the system clock instead of slewing it if the adjustment is larger than
# one second, but only in the first three clock updates.
makestep 0.1 -1
EOF
```

Move the file to `/etc/chrony/chrony.conf`

```
sudo mv $HOME/chrony.conf /etc/chrony/chrony.conf
```

Restart chrony in order for config change to take effect

```
sudo systemctl restart chronyd.service
```

To see the source of synchronization data

```
chronyc sources
```

To view the current status of chrony

```
chronyc tracking
```