Yrurtj

ifconfig 

enp3s0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500

        ether 94:c6:91:1f:49:92  txqueuelen 1000  (Ethernet)

        RX packets 0  bytes 0 (0.0 B)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 0  bytes 0 (0.0 B)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

        device interrupt 116  base 0x9000  



lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536

        inet 127.0.0.1  netmask 255.0.0.0

        inet6 ::1  prefixlen 128  scopeid 0x10<host>

        loop  txqueuelen 1000  (Local Loopback)

        RX packets 17990  bytes 5814158 (5.8 MB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 17990  bytes 5814158 (5.8 MB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0



wlp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500

        inet 192.168.1.46  netmask 255.255.255.0  broadcast 192.168.1.255

        inet6 fe80::e54:15ff:fea6:a35b  prefixlen 64  scopeid 0x20<link>

        ether 0c:54:15:a6:a3:5b  txqueuelen 1000  (Ethernet)

        RX packets 19334  bytes 15165891 (15.1 MB)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 13331  bytes 2031560 (2.0 MB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0



wlx00e02d01076f: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500

        inet 10.0.0.1  netmask 255.255.255.0  broadcast 10.0.0.255

        inet6 fe80::2e0:2dff:fe01:76f  prefixlen 64  scopeid 0x20<link>

        ether 00:e0:2d:01:07:6f  txqueuelen 1000  (Ethernet)

        RX packets 0  bytes 0 (0.0 B)

        RX errors 0  dropped 0  overruns 0  frame 0

        TX packets 1483  bytes 143874 (143.8 KB)

        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

iwconfig 

wlx00e02d01076f  IEEE 802.11bgn  ESSID:"Aleph_inCar"  Nickname:"<WIFI@REALTEK>"

          Mode:Master  Frequency:2.412 GHz  Access Point: 00:E0:2D:01:07:6F   

          Bit Rate:72.2 Mb/s   Sensitivity:0/0  

          Retry:off   RTS thr:off   Fragment thr:off

          Power Management:off

          Link Quality:0  Signal level:0  Noise level:0

          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

          Tx excessive retries:0  Invalid misc:0   Missed beacon:0



wlp2s0    IEEE 802.11  ESSID:"CoreFragment"  

          Mode:Managed  Frequency:2.417 GHz  Access Point: 34:0A:98:7A:6C:DC   

          Bit Rate=72.2 Mb/s   Tx-Power=22 dBm   

          Retry short limit:7   RTS thr:off   Fragment thr:off

          Power Management:on

          Link Quality=67/70  Signal level=-43 dBm  

          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

          Tx excessive retries:0  Invalid misc:1433   Missed beacon:0



lo        no wireless extensions.



enp3s0    no wireless extensions.

cat /etc/hostapd/hostapd.conf 

interface=wlx00e02d01076f

#interface=wlxe84e062ffbc2

ssid=Aleph_inCar

channel=1

macaddr_acl=0

auth_algs=1

ignore_broadcast_ssid=0

wpa=2

wpa_passphrase=1234567890

wpa_key_mgmt=WPA-PSK

wpa_pairwise=TKIP

rsn_pairwise=CCMP

driver=nl80211

#driver=mt7601u

#driver=cfg802

ieee80211n=1

#ieee80211ac=1

hw_mode=g

device_name=RTL8812AU

manufacturer=Realtek

#device_name=MT7601U

#manufacturer=MediaTek



#hw_mode=g

#ieee80211d=1

#require_ht=1

#ieee80211ac=1

#country_code=IN

#channel=8

#ht_capab=[HT40][HT40-][SHORT-GI-40]

sudo hostapd /etc/hostapd/hostapd.conf

[sudo] password for ubuntu: 

Configuration file: /etc/hostapd/hostapd.conf

Could not set channel for kernel driver

Interface initialization failed

wlx00e02d01076f: interface state UNINITIALIZED->DISABLED

wlx00e02d01076f: AP-DISABLED 

wlx00e02d01076f: Unable to setup interface.

wlx00e02d01076f: interface state DISABLED->DISABLED

wlx00e02d01076f: AP-DISABLED 

hostapd_free_hapd_data: Interface wlx00e02d01076f wasn't started

nl80211: deinit ifname=wlx00e02d01076f disabled_11b_rates=0

systemctl status hostapd.service 

● hostapd.service - Advanced IEEE 802.11 AP and IEEE 802.1X/WPA/WPA2/EAP Authenticator

   Loaded: loaded (/lib/systemd/system/hostapd.service; disabled; vendor preset: enabled)

   Active: active (running) since Sat 2019-01-19 11:50:39 IST; 22min ago

  Process: 5915 ExecStart=/usr/sbin/hostapd -P /run/hostapd.pid -B $DAEMON_OPTS ${DAEMON_CONF} (code=exited, status=0/SUCCESS)

 Main PID: 5916 (hostapd)

    Tasks: 1 (limit: 4485)

   CGroup: /system.slice/hostapd.service

           └─5916 /usr/sbin/hostapd -P /run/hostapd.pid -B /etc/hostapd/hostapd.conf



Jan 19 11:50:39 intel-nuc systemd[1]: Starting Advanced IEEE 802.11 AP and IEEE 802.1X/WPA/WPA2/EAP Authenticator...

Jan 19 11:50:39 intel-nuc hostapd[5915]: Configuration file: /etc/hostapd/hostapd.conf

Jan 19 11:50:39 intel-nuc hostapd[5915]: Using interface wlx00e02d01076f with hwaddr 00:e0:2d:01:07:6f and ssid "Aleph_inCar"

Jan 19 11:50:39 intel-nuc hostapd[5915]: wlx00e02d01076f: interface state UNINITIALIZED->ENABLED

Jan 19 11:50:39 intel-nuc hostapd[5915]: wlx00e02d01076f: AP-ENABLED

Jan 19 11:50:39 intel-nuc systemd[1]: Started Advanced IEEE 802.11 AP and IEEE 802.1X/WPA/WPA2/EAP Authenticator.

hostapd service running but not visible to any device.

I'm working on Ubuntu 18.04