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Install Packages

Code Block
apt-get -y install sudo unzip rsync sysstat cifs-utils nmap tcpdump tmux virt-what chrony

Setup chrony

The following commands install chrony and modify the basic chrony.conf file to remove usage of the default pool and any configured servers, and replace this with the 3 (very reliable) time servers from the German PTB.

Code Block
# Install chrony
apt-get install chrony

# Replace all existing servers
sed -i -e "s/^server /# server /" /etc/chrony/chrony.conf
# Replace pool setting
sed -i -e "s/^pool /# pool /" /etc/chrony/chrony.conf
# Add PTB Servers
cat << EOFF >> /etc/chrony/chrony.conf

# Servers to use
server ptbtime1.ptb.de iburst
server ptbtime2.ptb.de iburst
server ptbtime3.ptb.de iburst
EOFF

# Enable Chrony
systemctl enable chrony

# Stop (just in case it was started), then start and get status
systemctl stop chrony
systemctl start chrony

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