vccloud init

vccloud-init.sh

#!/bin/bash

#https://askubuntu.com/questions/259739/kswapd0-is-taking-a-lot-of-cpu
echo 1 | sudo tee /proc/sys/vm/drop_caches

# ssh port
rand_port=0
while [[ $rand_port -lt 10000 ]]
do
  rand_port=$(($RANDOM * 2))
done
echo '[+] SSH PORT: '$rand_port
sed -i 's/^Port 22$/Port '$rand_port'/' /etc/ssh/sshd_config
systemctl restart ssh

# apt mirror
sed -i 's/mirror.vccloud.vn/mirrors.bkns.vn/' /etc/apt/sources.list
apt update

# netstat
which netstat || apt install net-tools -y

ln -sf /run/systemd/resolve/resolv.conf /etc/resolv.conf
sed -i 's/^#*DNS=/DNS=1.1.1.1 8.8.8.8 208.67.222.222/' /etc/systemd/resolved.conf
sed -i 's/domain-name-servers,/\n#domain-name-servers,\n/' /etc/dhcp/dhclient.conf
sed -i 's/domain-search,/\n#domain-search,\n/' /etc/dhcp/dhclient.conf
sed -i 's/^#prepend/prepend domain-name-servers 8.8.8.8;\n#prepend/' /etc/dhcp/dhclient.conf
sed -i 's/^#prepend/prepend domain-name-servers 1.1.1.1;\n#prepend/' /etc/dhcp/dhclient.conf

dhclient -r
service systemd-resolved restart

wget -O - https://gist.githubusercontent.com/0x0a0d/8a228f16ca0ad769ed33cff79608d5bb/raw/vccloud-init.sh | bash