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Backup network config and set static IP

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This commit is contained in:
Kris Lamoureux 2020-01-27 20:06:41 -05:00
parent 17d41b03de
commit b396dcc7d4
Signed by: kris
GPG Key ID: 3EDA9C3441EDA925
1 changed files with 13 additions and 0 deletions
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13
bootstrap.sh
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@ -13,6 +13,9 @@ GIT_LOC="https://github.com/krislamo/bootstrap.git"
echo "Enter name server's new hostname:" echo "Enter name server's new hostname:"
read NEW_HOSTNAME read NEW_HOSTNAME
echo "Enter a static IP address (e.g. 192.168.1.2/24):"
read STATIC_IP
cp /etc/apt/sources.list /etc/apt/sources.list.$DATE cp /etc/apt/sources.list /etc/apt/sources.list.$DATE
sed -i '/deb cdrom/d' /etc/apt/sources.list sed -i '/deb cdrom/d' /etc/apt/sources.list
@ -28,6 +31,16 @@ mkdir -p /root/.ssh/
cp --update authorized_keys /root/.ssh/authorized_keys cp --update authorized_keys /root/.ssh/authorized_keys
apt-get install openssh-server -y apt-get install openssh-server -y
# If STATIC_IP var was set, backup interfaces and set static IP
if [ ! -z "$STATIC_IP" ]; then
cp /etc/network/interfaces /etc/network/interfaces.$DATE
sed -i "s/dhcp/static/g" /etc/network/interfaces
if ! grep -q "address" /etc/network/interfaces; then
echo " address $STATIC_IP" >> /etc/network/interfaces
echo " gateway 192.168.1.1" >> /etc/network/interfaces
fi
fi
hostnamectl set-hostname $NEW_HOSTNAME hostnamectl set-hostname $NEW_HOSTNAME
cp /etc/hosts /etc/hosts.$DATE cp /etc/hosts /etc/hosts.$DATE
sed -i "s/$CUR_HOSTNAME/$NEW_HOSTNAME/g" /etc/hosts sed -i "s/$CUR_HOSTNAME/$NEW_HOSTNAME/g" /etc/hosts