All Questions
117
questions
16
votes
7
answers
122k
views
How can I find out my WiFi adapter's MAC address on Ubuntu Linux?
What command can I enter in a terminal to find out the MAC address of my WiFi adapter?
Lunatik
10
votes
2
answers
33k
views
How to connect to a WiFi from command line under Ubuntu without .conf file?
I can connect to my WiFi out of the shell by doing:
nano wireless-wpa.conf
typing:
ctrl_interface=/var/run/wpa_supplicant
network={
ssid="my_router_id"
scan_ssid=1
key_mgmt=WPA-PSK
psk="...
- 4,988
6
votes
1
answer
4k
views
Using Hostapd on Ubuntu 20.04 to create 5GHz access point, "Channel 153 (primary) not allowed for AP mode, flags: 0x20073 NO-IR"
I'm attempting to create a 5GHz access point running off of Ubuntu 20.04. My wireless adapter is the Intel Corporation Cannon Point-LP CNVi.
Side note: 2.4GHz access points work all day long, but I ...
- 61
6
votes
2
answers
2k
views
Linux bcm43224 wifi adapter slows down a couple minutes after boot
I just installed Ubuntu on my mid 2012 MacBook Air. Everything worked out of the box, but the wifi is showing some weird behavior.
When I first login it's really fast, loading google.com is near ...
- 191
5
votes
3
answers
10k
views
How to create an Access Point from the current WiFi connection?
On Ubuntu 14.04, can an adapter have both a hotspot and be connected to a WiFi network at the same time?
If so, how do I share the Internet of the currently connected network over a hotspot in Linux?
...
- 53
5
votes
1
answer
6k
views
deauthenticated from ... (Reason: 7)
On a ThinkPad X230 with this wifi card:
03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
Subsystem: Realtek Semiconductor Co., Ltd. ...
5
votes
2
answers
4k
views
Ubuntu Connect Button Disabled, cannot connect
I'm trying to connect to my school network from Ubuntu 12. The network is WPA encrypted and I can connect just fine if the network manager establishes a connection automatically. However, when I get ...
- 683
5
votes
1
answer
3k
views
What kernel modules are required for wi-fi to work?
My custom-built 2.6.32 kernel cannot connect to any WPA-protected network.
The kernel includes (probably?) everything that should be needed for wifi, including IPv4 network support (IPv6 is disabled),...
- 1,140
4
votes
1
answer
24k
views
How can I find the USB wireless adapter into the dmesg log file?
I am pretty new in Linux (RaspBian for RaspBerry Pi but I think that there are not difference) and I have to install an USB wireless network adapter (the product is the TP-Link TL-WN725N, this one: ...
- 7,201
4
votes
2
answers
10k
views
Using projector via Wi-Fi from Linux laptop running Ubuntu 19.04 (Disco)
A local bar hosts a programmer's meetup I organize. Recently they switched out their projectors such that the only accessible connections are now Wi-Fi (formerly I used a wire to HDMI/VGA ports.)
...
- 1,057
4
votes
2
answers
2k
views
How to share ethernet connection on Ubuntu (Jaunty)?
I've googled it and I've found mostly tutorials on sharing when having 2 ethernet ports. I am in a hotel with only wired connection (eth0). I would like to use my wifi card to share my connection with ...
- 307
4
votes
1
answer
9k
views
Ubuntu: wlan0 authenticates and then drops
Not sure what is causing this but it appears my Wlan won't connect any longer after a recent update of ubuntu:
uname -a
Linux p859116 3.16.0-49-generic #65~14.04.1-Ubuntu SMP Wed Sep 9 10:03:23 UTC ...
4
votes
1
answer
14k
views
How to join an ad-hoc wireless network in Linux
How do you join two or more Linux machines to the same ad-hoc wireless network?
I have two Ubuntu 12.04 laptops that I'd like to connect. Following the command line instructions in Ubuntu's wiki docs,...
- 9,272
4
votes
5
answers
1k
views
How can I make wifi work after suspending, Ubuntu 9.04 on Lenovo T61
After resuming from suspended state, my wifi seems to never be able to reconnect to networks. It keeps searching and trying to connect, but then fails. The list of networks never seems to update ...
- 180
3
votes
1
answer
2k
views
How can I prevent an application (Dropbox) from accessing network when connected to a certain Wifi ESSID?
I sometimes connect my Ubuntu laptop to my phone's 3G connection via tethering. When connected to that network I don't want Dropbox to synchronize as I have a limited data plan. I do want it ...
- 133