I use Ubuntu 21.10 and kernel 5.13.0-30-generic.
I want to install driver of LB-LINK BL-WN151
USB wireless adapter. And I want to use this adapter to create hotspot service.
My PC have a built-in wireless adapter but seems to be it does not have hotspot support.
lsubs
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 0bda:c821 Realtek Semiconductor Corp. Bluetooth Radio
Bus 003 Device 005: ID 0c45:7663 Microdia USB Keyboard
Bus 003 Device 004: ID 0458:0186 KYE Systems Corp. (Mouse Systems) Genius DX-120 Mouse
Bus 003 Device 002: ID 05e3:0610 Genesys Logic, Inc. Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0bda:f179 Realtek Semiconductor Corp. RTL8188FTV 802.11b/g/n 1T1R 2.4G WLAN Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root h
sudo lshw -C network
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eno1
version: 15
serial: 8e:76:8c:f3:be:85
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.13.0-30-generic duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=172.20.6.69 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:58 ioport:f000(size=256) memory:fe904000-fe904fff memory:fe900000-fe903fff
*-network
description: Wireless interface
product: RTL8821CE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 00
serial: 00:e0:4c:89:28:71
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtw_8821ce driverversion=5.13.0-30-generic firmware=N/A ip=192.168.1.69 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:67 ioport:e000(size=256) memory:fe800000-fe80ffff
lspci -nnk | grep 0280
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]