Set static IP

Edit the following file

/etc/dhcpcd.conf

with the following contents (adapted of course)

interface eth0

static ip_address=192.168.0.10/24
static routers=192.168.0.1
static domain_name_servers=192.168.0.1

interface wlan0

static ip_address=192.168.0.200/24
static routers=192.168.0.1
static domain_name_servers=192.168.0.1

Get listening ports without netstat

ss -aut

Scan ip range

sudo nmap -sP 192.168.*.*

Forward packets

echo 1 > /proc/sys/net/ipv4/ip_forward

OpenVPN automatic login

  • Create file with username in the first line and password in the second, i.e. auth.txt
  • Change the line
auth-user-pass

to

auth-user-pass auth.txt

in the .ovpn file * (Optional) Change the line in all the ovpn files with:

sed -i 's/auth-user-pass/#&1\n&1 auth.txt/' vpn_file.ovpn