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Setting up an ad-hoc network on boot

How to create an ad-hoc connection?Terminal commands equivalent to NetworkManager's “Use as Hotspot” optionMonitor mode wifi only seeing broadcast packetsUsing startx on Fedora 17, a non-root user cannot join new wireless networks — how to fix?Set up network with static IP and wpa_supplicant on Debianwifi support for Realtek [10ec:8821] on VivoPC VM62N-G050RCan't find wireless card mwifiex_usb interfacehow to setup network routing table for wireless networkProgrammatically switch between ad-hoc and regular wireless networkRunning script on fedora cloud image at boot

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}

3

1

I'm pretty new to Linux; this project is me trying to learn more. I've done login scripts before but not boot scripts, so that's one of my questions. My other question is how to get an ad-hoc network working with just terminal commands, so that I can make a boot script to do it. I'm running Fedora 18 off of a flash drive for now, but when I'm done configuring I'll be copying everything to an old laptop's hard drive. (The goal of this project is to not have to buy a better wireless router)

The most luck I've had setting up an ad-hoc was by using Gnome's "Use as Hotspot..." button in my wireless network settings, and then changing the name and WEP code (Can I use other encryption methods?) using iwconfig in the terminal, but I want it all done with terminal commands so that I can just run a script to set it all up. I think I can figure out how to use iptables to set up my port forwarding and junk myself, but first I need to get this computer able to share its internet connection wirelessly.

networking fedora boot wifi

share|improve this question

asked May 29 '13 at 15:57

Edward AlmEdward Alm

1611 silver badge22 bronze badges

This question has an open bounty worth +50
reputation from King Stone ending in 7 days.

The current answers do not contain enough detail.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What card are you using ? Have you checked if it supports AP mode ? (post the output of iw phy to figure out ?). If AP mode is not supported, maybe IBSS-RSN (which is basically WPA2 in ad-hoc mode) is supported.
  
  – BatchyX
  May 29 '13 at 20:41
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I ran "iw phy" on my newer laptop. I see a line under "Supported RX frame types:" that says "AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0" and immediately under is one that says "AP/VLAN: " and the same hex numbers. The laptop I'll eventually move this all onto is a Dell Latitude D630, but I don't have it with me at the moment. Its hinges are broken so I don't touch it if I don't have to.
  
  – Edward Alm
  May 30 '13 at 16:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If there is no AP under Supported interface types, your card/driver does not support AP mode. What contains Supported RX frame types is a bit irrelevant. Check if there is a mention of IBSS-RSN anyway, in that case, you may still do WPA2 in ad-hoc mode...
  
  – BatchyX
  May 30 '13 at 19:01
  

  
  
  
  

add a comment | 

3

1

I'm pretty new to Linux; this project is me trying to learn more. I've done login scripts before but not boot scripts, so that's one of my questions. My other question is how to get an ad-hoc network working with just terminal commands, so that I can make a boot script to do it. I'm running Fedora 18 off of a flash drive for now, but when I'm done configuring I'll be copying everything to an old laptop's hard drive. (The goal of this project is to not have to buy a better wireless router)

The most luck I've had setting up an ad-hoc was by using Gnome's "Use as Hotspot..." button in my wireless network settings, and then changing the name and WEP code (Can I use other encryption methods?) using iwconfig in the terminal, but I want it all done with terminal commands so that I can just run a script to set it all up. I think I can figure out how to use iptables to set up my port forwarding and junk myself, but first I need to get this computer able to share its internet connection wirelessly.

networking fedora boot wifi

share|improve this question

asked May 29 '13 at 15:57

Edward AlmEdward Alm

1611 silver badge22 bronze badges

This question has an open bounty worth +50
reputation from King Stone ending in 7 days.

The current answers do not contain enough detail.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What card are you using ? Have you checked if it supports AP mode ? (post the output of iw phy to figure out ?). If AP mode is not supported, maybe IBSS-RSN (which is basically WPA2 in ad-hoc mode) is supported.
  
  – BatchyX
  May 29 '13 at 20:41
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I ran "iw phy" on my newer laptop. I see a line under "Supported RX frame types:" that says "AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0" and immediately under is one that says "AP/VLAN: " and the same hex numbers. The laptop I'll eventually move this all onto is a Dell Latitude D630, but I don't have it with me at the moment. Its hinges are broken so I don't touch it if I don't have to.
  
  – Edward Alm
  May 30 '13 at 16:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If there is no AP under Supported interface types, your card/driver does not support AP mode. What contains Supported RX frame types is a bit irrelevant. Check if there is a mention of IBSS-RSN anyway, in that case, you may still do WPA2 in ad-hoc mode...
  
  – BatchyX
  May 30 '13 at 19:01
  

  
  
  
  

add a comment | 

I'm pretty new to Linux; this project is me trying to learn more. I've done login scripts before but not boot scripts, so that's one of my questions. My other question is how to get an ad-hoc network working with just terminal commands, so that I can make a boot script to do it. I'm running Fedora 18 off of a flash drive for now, but when I'm done configuring I'll be copying everything to an old laptop's hard drive. (The goal of this project is to not have to buy a better wireless router)

The most luck I've had setting up an ad-hoc was by using Gnome's "Use as Hotspot..." button in my wireless network settings, and then changing the name and WEP code (Can I use other encryption methods?) using iwconfig in the terminal, but I want it all done with terminal commands so that I can just run a script to set it all up. I think I can figure out how to use iptables to set up my port forwarding and junk myself, but first I need to get this computer able to share its internet connection wirelessly.

networking fedora boot wifi

share|improve this question

asked May 29 '13 at 15:57

Edward AlmEdward Alm

1611 silver badge22 bronze badges

share|improve this question

asked May 29 '13 at 15:57

Edward AlmEdward Alm

1611 silver badge22 bronze badges

share|improve this question

asked May 29 '13 at 15:57

Edward AlmEdward Alm

1611 silver badge22 bronze badges

asked May 29 '13 at 15:57

Edward AlmEdward Alm

1611 silver badge22 bronze badges

asked May 29 '13 at 15:57

Edward AlmEdward Alm

1611 silver badge22 bronze badges

1 Answer
1

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3

This blogspot entry has a guide for configuring a wireless network in ad-hoc mode. On the first machine, run these commands (fill in your own network information):

 ifconfig wlan0 down

 iwconfig wlan0 channel 4

 iwconfig wlan0 mode ad-hoc

 iwconfig wlan0 essid 'fermilevel'

 iwconfig wlan0 key 1234567890

 ifconfig wlan0 192.168.1.1

On the second machine:

 ifconfig wlan0 down

 iwconfig  wlan0 channel 4

 iwconfig  wlan0 mode ad-hoc

 iwconfig  wlan0 essid 'fermilevel'

 iwconfig  wlan0 key 1234567890

 ifconfig  wlan0 192.168.1.2

The essid and key must be the same on both machines.

share|improve this answer

edited May 29 '13 at 19:44

Michael Mrozek♦

64.3k2929 gold badges197197 silver badges216216 bronze badges

answered May 29 '13 at 16:16

RazaRaza

2,65244 gold badges1919 silver badges2525 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ifconfig and iwconfig are both deprecated, especially the latter which is completely obsolete. Use ip and iw instead. Using iw has the direct benefit that it gives you the option to use 802.11n in the iw ibss join command.
  
  – BatchyX
  May 29 '13 at 20:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That blog post is trying to connect two Linux computers together; I'm just trying to set up one computer that shares its internet connection wirelessly with Windows PCs and my phone and junk. I can get the network to appear on my Windows PC by running one set of those commands on my laptop, but if I try to connect to it I get "Unidentified Network/No Internet Access".
  
  – Edward Alm
  May 30 '13 at 16:39
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ad-hoc is a peer-to-peer connection. you can setup each device to connect to the box that is sharing the net. I am not sure if ad-hoc will provide simultaneously connection to all of your devices.
  
  – Raza
  May 30 '13 at 17:44
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please make sure to setup bridge or routing in order to avoid "Unidentified Network/No Internet Access" error.
  
  – Raza
  May 30 '13 at 17:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ifconfig wlan0 up is not need?
  
  – King Stone
  2 hours ago
  

  
  
  
  

 | 
show 1 more comment

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3

This blogspot entry has a guide for configuring a wireless network in ad-hoc mode. On the first machine, run these commands (fill in your own network information):

 ifconfig wlan0 down

 iwconfig wlan0 channel 4

 iwconfig wlan0 mode ad-hoc

 iwconfig wlan0 essid 'fermilevel'

 iwconfig wlan0 key 1234567890

 ifconfig wlan0 192.168.1.1

On the second machine:

 ifconfig wlan0 down

 iwconfig  wlan0 channel 4

 iwconfig  wlan0 mode ad-hoc

 iwconfig  wlan0 essid 'fermilevel'

 iwconfig  wlan0 key 1234567890

 ifconfig  wlan0 192.168.1.2

The essid and key must be the same on both machines.

share|improve this answer

edited May 29 '13 at 19:44

Michael Mrozek♦

64.3k2929 gold badges197197 silver badges216216 bronze badges

answered May 29 '13 at 16:16

RazaRaza

2,65244 gold badges1919 silver badges2525 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ifconfig and iwconfig are both deprecated, especially the latter which is completely obsolete. Use ip and iw instead. Using iw has the direct benefit that it gives you the option to use 802.11n in the iw ibss join command.
  
  – BatchyX
  May 29 '13 at 20:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That blog post is trying to connect two Linux computers together; I'm just trying to set up one computer that shares its internet connection wirelessly with Windows PCs and my phone and junk. I can get the network to appear on my Windows PC by running one set of those commands on my laptop, but if I try to connect to it I get "Unidentified Network/No Internet Access".
  
  – Edward Alm
  May 30 '13 at 16:39
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ad-hoc is a peer-to-peer connection. you can setup each device to connect to the box that is sharing the net. I am not sure if ad-hoc will provide simultaneously connection to all of your devices.
  
  – Raza
  May 30 '13 at 17:44
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please make sure to setup bridge or routing in order to avoid "Unidentified Network/No Internet Access" error.
  
  – Raza
  May 30 '13 at 17:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ifconfig wlan0 up is not need?
  
  – King Stone
  2 hours ago
  

  
  
  
  

 | 
show 1 more comment

3

This blogspot entry has a guide for configuring a wireless network in ad-hoc mode. On the first machine, run these commands (fill in your own network information):

 ifconfig wlan0 down

 iwconfig wlan0 channel 4

 iwconfig wlan0 mode ad-hoc

 iwconfig wlan0 essid 'fermilevel'

 iwconfig wlan0 key 1234567890

 ifconfig wlan0 192.168.1.1

On the second machine:

 ifconfig wlan0 down

 iwconfig  wlan0 channel 4

 iwconfig  wlan0 mode ad-hoc

 iwconfig  wlan0 essid 'fermilevel'

 iwconfig  wlan0 key 1234567890

 ifconfig  wlan0 192.168.1.2

The essid and key must be the same on both machines.

share|improve this answer

edited May 29 '13 at 19:44

Michael Mrozek♦

64.3k2929 gold badges197197 silver badges216216 bronze badges

answered May 29 '13 at 16:16

RazaRaza

2,65244 gold badges1919 silver badges2525 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ifconfig and iwconfig are both deprecated, especially the latter which is completely obsolete. Use ip and iw instead. Using iw has the direct benefit that it gives you the option to use 802.11n in the iw ibss join command.
  
  – BatchyX
  May 29 '13 at 20:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That blog post is trying to connect two Linux computers together; I'm just trying to set up one computer that shares its internet connection wirelessly with Windows PCs and my phone and junk. I can get the network to appear on my Windows PC by running one set of those commands on my laptop, but if I try to connect to it I get "Unidentified Network/No Internet Access".
  
  – Edward Alm
  May 30 '13 at 16:39
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ad-hoc is a peer-to-peer connection. you can setup each device to connect to the box that is sharing the net. I am not sure if ad-hoc will provide simultaneously connection to all of your devices.
  
  – Raza
  May 30 '13 at 17:44
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please make sure to setup bridge or routing in order to avoid "Unidentified Network/No Internet Access" error.
  
  – Raza
  May 30 '13 at 17:47
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  ifconfig wlan0 up is not need?
  
  – King Stone
  2 hours ago
  

  
  
  
  

 | 
show 1 more comment

This blogspot entry has a guide for configuring a wireless network in ad-hoc mode. On the first machine, run these commands (fill in your own network information):

 ifconfig wlan0 down

 iwconfig wlan0 channel 4

 iwconfig wlan0 mode ad-hoc

 iwconfig wlan0 essid 'fermilevel'

 iwconfig wlan0 key 1234567890

 ifconfig wlan0 192.168.1.1

On the second machine:

 ifconfig wlan0 down

 iwconfig  wlan0 channel 4

 iwconfig  wlan0 mode ad-hoc

 iwconfig  wlan0 essid 'fermilevel'

 iwconfig  wlan0 key 1234567890

 ifconfig  wlan0 192.168.1.2

The essid and key must be the same on both machines.

share|improve this answer

edited May 29 '13 at 19:44

Michael Mrozek♦

64.3k2929 gold badges197197 silver badges216216 bronze badges

answered May 29 '13 at 16:16

RazaRaza

2,65244 gold badges1919 silver badges2525 bronze badges

 ifconfig wlan0 down

 iwconfig wlan0 channel 4

 iwconfig wlan0 mode ad-hoc

 iwconfig wlan0 essid 'fermilevel'

 iwconfig wlan0 key 1234567890

 ifconfig wlan0 192.168.1.1

 ifconfig wlan0 down

 iwconfig  wlan0 channel 4

 iwconfig  wlan0 mode ad-hoc

 iwconfig  wlan0 essid 'fermilevel'

 iwconfig  wlan0 key 1234567890

 ifconfig  wlan0 192.168.1.2

share|improve this answer

edited May 29 '13 at 19:44

Michael Mrozek♦

64.3k2929 gold badges197197 silver badges216216 bronze badges

answered May 29 '13 at 16:16

RazaRaza

2,65244 gold badges1919 silver badges2525 bronze badges

edited May 29 '13 at 19:44

Michael Mrozek♦

64.3k2929 gold badges197197 silver badges216216 bronze badges

edited May 29 '13 at 19:44

Michael Mrozek♦

64.3k2929 gold badges197197 silver badges216216 bronze badges

answered May 29 '13 at 16:16

RazaRaza

2,65244 gold badges1919 silver badges2525 bronze badges

answered May 29 '13 at 16:16

RazaRaza

2,65244 gold badges1919 silver badges2525 bronze badges