Remove old post-install.txt and fix user-data chmod.

This commit is contained in:
2021-06-27 11:19:44 +12:00
parent ad69d39fbe
commit e14025af1d
2 changed files with 0 additions and 116 deletions

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@ -1,116 +0,0 @@
#================================================================
# Post install ssh configuration
#================================================================
echo "Changing ssh port..."
sed -i "s/#Port 22/Port 2122/" /rootfs/etc/ssh/sshd_config
echo "Turning off ssh pam..."
sed -i "s/UsePAM yes/UsePAM no/" /rootfs/etc/ssh/sshd_config
echo "Restarting ssh service..."
systemctl restart sshd
#================================================================
#================================================================
# Post install setup docker
#================================================================
echo "Installing docker via helper script."
curl -fsSL https://get.docker.com -o get-docker.sh | sh -
echo "Adding docker permissions for standard user."
usermod -aG docker james
#================================================================
#================================================================
# Post install fail2ban configuration
#================================================================
echo "Ensure fail2ban service is enabled..."
systemctl enable fail2ban
echo "Configure fail2ban ssh jail..."
touch /rootfs/etc/fail2ban/jail.local
echo '[ssh]' >> /rootfs/etc/fail2ban/jail.local
echo 'enabled=true' >> /rootfs/etc/fail2ban/jail.local
echo 'port=2122' >> /rootfs/etc/fail2ban/jail.local
echo 'filter=sshd' >> /rootfs/etc/fail2ban/jail.local
echo 'logpath=/var/log/auth.log' >> /rootfs/etc/fail2ban/jail.local
echo 'bantime=1800' >> /rootfs/etc/fail2ban/jail.local
echo 'banaction=iptables-allports' >> /rootfs/etc/fail2ban/jail.local
echo 'findtime=900' >> /rootfs/etc/fail2ban/jail.local
echo 'maxretry=3' >> /rootfs/etc/fail2ban/jail.local
echo "Restart fail2ban service..."
sudo systemctl restart fail2ban
#================================================================
#================================================================
# Post install bash configuration
#================================================================
echo "Configuring bash prompt..."
echo "PS1='\[\033[02;31m\]\u@\H:\[\033[01;34m\]\w\$\[\033[00m\] '" >> /rootfs/home/james/.bashrc
#================================================================
#================================================================
# Post install firewall configuration
#================================================================
echo "Allowing local traffic in iptables"
iptables -A INPUT -i lo -j ACCEPT
echo "Allow all established connections in iptables"
iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
echo "Drop all other traffic"
iptables -A INPUT -j DROP
echo "Ensure iptables-persistent is started"
systemctl start netfilter-persistent
echo "Ensure iptables-persistent is enabled"
systemctl enable netfilter-persistent
echo "Ensure firewall rules are saved"
netfilter-persistent save
#================================================================
#================================================================
# Post install knockd configuration
#================================================================
echo "Writing port knocking configuration file..."
cat << EOF > /rootfs/etc/knockd.conf
[options]
UseSysLog
logfile = /var/log/knockd.log
interface=wlan0
[ssh]
sequence =
seq_timeout = 15
start_command = /sbin/iptables -I INPUT 1 -s %IP% -p tcp --dport 2122 -j ACCEPT
tcpflags = syn
cmd_timeout = 60
stop_command = /sbin/iptables -D INPUT -s %IP% -p tcp --dport 2122 -j ACCEPT
EOF
echo "Enabling knockd.service ..."
sed -i "s/START_KNOCKD=0/START_KNOCKD=1/" /rootfs/etc/default/knockd
cat << EOF >> /rootfs/lib/systemd/system/knockd.service
[Install]
WantedBy=multi-user.target
Alias=knockd.service
EOF
systemctl enable knockd.service
echo "Start knockd service..."
systemctl start knockd.service
#================================================================

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user-data Executable file → Normal file
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