How to enable wireless ap

hostapd.md

/etc/hostapd/hostapd.conf

interface=wlan0
ssid=wifiname
hw_mode=g
channel=6
ieee80211n=1
wpa=2
wpa_passphrase=password
wpa_key_mgmt=WPA-PSK
rsn_pairwise=CCMP
wmm_enabled=1

/etc/dnsmasq.conf

interface=wlan0
bind-dynamic
domain-needed
bogus-priv

dhcp-option=option:router,10.0.1.1
dhcp-option=option:dns-server,8.8.8.8
dhcp-option=option:netmask,255.255.255.0
dhcp-range=10.0.1.10,10.0.1.240,255.255.255.0,1h

/etc/network/interfaces.d/wlan0.conf

auto wlan0
iface wlan0 inet static
address 10.0.1.1
netmask 255.255.255.0
dns-nameservers 8.8.8.8

Enable IP forward

echo 'net.ipv4.ip_forward=1' | sudo tee -a /etc/sysctl.conf

use iptables-persistent to save

iptables -P FORWARD ACCEPT
iptables -t nat -A POSTROUTING -s 10.0.1.0/24 -j MASQUERADE

nmcli.md

# device status
sudo nmcli device status
# scan wifi
sudo nmcli device wifi

WIFIAPSSID=mywifiap
read -s WIFIAPPASSWORD
sudo nmcli device wifi hotspot ifname wlan1 ssid $WIFIAPSSID password $WIFIAPPASSWORD
sudo nmcli con modify Hotspot connection.autoconnect true
sudo nmcli con modify Hotspot ipv4.address1 10.10.0.1/24,10.10.0.1
sudo nmcli con modify Hotspot wifi-sec.pmf disable  # may be needed if passwork doesn't work

Restart NetworkManager - sudo systemctl restart NetworkManager.