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Old 10-03-2012, 03:51 PM   #1
pingpongofkingkong
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Question Compatible wireless network adapter for CentOS 6


I am looking for information on compatible wireless network adapter for CentOS 6, I found the link below:

http://wiki.centos.org/HowTos/Laptops/Wireless

There is only a few hardware on that link, Does anyone have more list? So I can buy one, because my current USB network card (linksys wusb54gc ver3 wireless-g) only works in Windows.

Is it CentOS should only work with wired network due to its design?

I am a Linux newbie, and use CentOS at home.

Thank you in advance!!
 
Old 10-03-2012, 04:16 PM   #2
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Before buying a new adapter I would like to see if that device really does not work in Linux. Please attach the adapter to the system, start a terminal and launch the command
Code:
lsusb
Post the output here, so that we can see which chipset the device is using.
 
Old 10-03-2012, 04:44 PM   #3
pingpongofkingkong
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Quote:
Originally Posted by TobiSGD View Post
Before buying a new adapter I would like to see if that device really does not work in Linux. Please attach the adapter to the system, start a terminal and launch the command
Code:
lsusb
Post the output here, so that we can see which chipset the device is using.
Thank you for your advice. please find the command result:

# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 1737:0077 Linksys WUSB54GC v3 802.11g Adapter [Ralink RT2070L]
Bus 002 Device 002: ID 045e:0750 Microsoft Corp. Wired Keyboard 600
Bus 003 Device 002: ID 045e:0039 Microsoft Corp. IntelliMouse Optical
Bus 001 Device 012: ID 1b1c:1ab1 Corsair


The current device was bought when I only used Windows.

Last edited by pingpongofkingkong; 10-03-2012 at 05:13 PM.
 
Old 10-03-2012, 05:27 PM   #4
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The Ralink RT2070L should work out of the box, but there may be incompatibilities with other Ralink drivers in the system. Have a look here: http://www.linuxquestions.org/questi...eneric-834116/
 
Old 10-03-2012, 05:46 PM   #5
pingpongofkingkong
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Quote:
Originally Posted by TobiSGD View Post
The Ralink RT2070L should work out of the box, but there may be incompatibilities with other Ralink drivers in the system. Have a look here: http://www.linuxquestions.org/questi...eneric-834116/
Thank you! On that post, the network card is used for mint linux 2.6.32-21-generic. I am new to Linux. Is it compatible with CentOS, or both are based on RHEL.

I am thinking there might be a list of compatible hardware from Red hat.
 
Old 10-03-2012, 06:24 PM   #6
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Mint is Based on Ubuntu, but CentOS 6 also uses a 2.6.32 kernel, so chances are very high that this solution will work for you.
Regarding the compatibility list, RHEL (and though CentOS) can be used on a desktop machine, but is mostly aimed at the server, where wireless USB devices are rather rare. I doubt that you will find them on such a list.
 
Old 10-04-2012, 02:21 AM   #7
pingpongofkingkong
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Quote:
Originally Posted by TobiSGD View Post
Mint is Based on Ubuntu, but CentOS 6 also uses a 2.6.32 kernel, so chances are very high that this solution will work for you.
Regarding the compatibility list, RHEL (and though CentOS) can be used on a desktop machine, but is mostly aimed at the server, where wireless USB devices are rather rare. I doubt that you will find them on such a list.

Thank you for your advice.

I don't mind it is a USB or PCI, as long as it works.

There are a few more wireless cards listed on

http://wiki.centos.org/HowTos/Laptops/Wireless

e.g.

Ralink RT73/RT2500

also there is a section on

Using Windows drivers - ndiswrapper

I wonder how to try it when there is no internet connection with CentOS, I guess I need to download all required files before following those commands.

any idea?

Last edited by pingpongofkingkong; 10-04-2012 at 02:23 AM.
 
Old 10-04-2012, 06:29 AM   #8
TobiSGD
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Have you tried to get your card working now? What happened after you blacklisted those modules and restarted?
 
Old 10-04-2012, 08:52 AM   #9
pingpongofkingkong
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Quote:
Originally Posted by TobiSGD View Post
Have you tried to get your card working now? What happened after you blacklisted those modules and restarted?
Do you mean RT2070L or my current LinkSys card? I have to buy a new card, if there is no software solution to fix it.

Thanks again!!
 
Old 10-04-2012, 09:05 AM   #10
TobiSGD
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The LinkSys card you have uses the RT2070L chipset. May be I was not clear enough about this. So the solution from the link I posted should work for you.
 
Old 10-04-2012, 03:08 PM   #11
pingpongofkingkong
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Quote:
Originally Posted by TobiSGD View Post
The LinkSys card you have uses the RT2070L chipset. May be I was not clear enough about this. So the solution from the link I posted should work for you.
Hi,

Thank you for your help.

I following the steps on that link below, but no luck. I also posted my question regarding its step on the link below.

http://www.linuxquestions.org/questi...43#post4797443

I wonder what steps I have done wrong or missed.
 
Old 10-04-2012, 03:35 PM   #12
TobiSGD
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You should not spread your issue about several threads, this will make it harder for anyone to follow the attempts to solve your problem. The error message about pico is most likely caused by the simple fact that it is not installed. Nothing wrong with that, since pico is just a text editor and you used already a different one.
To help you further we need some information. Please post the output of the following commands:
Code:
iwconfig
ifconfig
lsmod
Please use code-tags (the #-button above the advanced text editor) to post that output.
 
Old 10-04-2012, 05:06 PM   #13
pingpongofkingkong
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Quote:
Originally Posted by TobiSGD View Post
You should not spread your issue about several threads, this will make it harder for anyone to follow the attempts to solve your problem. The error message about pico is most likely caused by the simple fact that it is not installed. Nothing wrong with that, since pico is just a text editor and you used already a different one.
To help you further we need some information. Please post the output of the following commands:
Code:
iwconfig
ifconfig
lsmod
Please use code-tags (the #-button above the advanced text editor) to post that output.
Please find the result from running those three commands below:

Please have a look. I have a motherboard built in wired network card, and a wireless usb linksys card which I want to install.

Thank you in advance.

Code:
$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

virbr0    no wireless extensions.

virbr0-nic  no wireless extensions.

$ ifconfig
eth0      Link encap:Ethernet  HWaddr 14:DA:E9:E2:D8:42  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:12 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:680 (680.0 b)  TX bytes:680 (680.0 b)

virbr0    Link encap:Ethernet  HWaddr 52:54:00:9D:0D:B7  
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:41 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:6170 (6.0 KiB)

$ lsmod
Module                  Size  Used by
vfat                   10776  1 
fat                    55184  1 vfat
usb_storage            49452  1 
fuse                   66891  0 
ebtable_nat             2009  0 
ebtables               18135  1 ebtable_nat
ipt_MASQUERADE          2466  3 
iptable_nat             6158  1 
nf_nat                 22759  2 ipt_MASQUERADE,iptable_nat
xt_CHECKSUM             1303  1 
iptable_mangle          3349  1 
bridge                 79950  0 
stp                     2173  1 bridge
llc                     5642  2 bridge,stp
autofs4                27212  3 
sunrpc                263516  1 
p4_clockmod            20200  0 
freq_table              4881  1 p4_clockmod
speedstep_lib           5401  1 p4_clockmod
ipt_REJECT              2351  4 
nf_conntrack_ipv4       9506  6 iptable_nat,nf_nat
nf_defrag_ipv4          1483  1 nf_conntrack_ipv4
iptable_filter          2793  1 
ip_tables              17831  3 iptable_nat,iptable_mangle,iptable_filter
ip6t_REJECT             4628  2 
nf_conntrack_ipv6       8748  2 
nf_defrag_ipv6         12182  1 nf_conntrack_ipv6
xt_state                1492  5 
nf_conntrack           79453  6 ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv4,nf_conntrack_ipv6,xt_state
ip6table_filter         2889  1 
ip6_tables             19458  1 ip6table_filter
ipv6                  322541  39 ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6
vhost_net              31320  0 
macvtap                 9948  1 vhost_net
macvlan                10180  1 macvtap
tun                    17051  2 vhost_net
kvm_intel              52570  0 
kvm                   314739  1 kvm_intel
uinput                  8216  0 
ppdev                   8729  0 
parport_pc             22978  0 
parport                37265  2 ppdev,parport_pc
asus_atk0110           14504  0 
sg                     30124  0 
microcode             112653  0 
serio_raw               4818  0 
iTCO_wdt               13934  0 
iTCO_vendor_support     3088  1 iTCO_wdt
atl1c                  38238  0 
snd_hda_codec_realtek   125334  1 
snd_hda_intel          26973  2 
snd_hda_codec         112048  2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep               6780  1 snd_hda_codec
snd_seq                56591  0 
snd_seq_device          6596  1 snd_seq
snd_pcm                85828  2 snd_hda_intel,snd_hda_codec
snd_timer              23057  2 snd_seq,snd_pcm
snd                    71339  12 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
soundcore               8086  1 snd
snd_page_alloc          8630  2 snd_hda_intel,snd_pcm
ext4                  371331  3 
mbcache                 8144  1 ext4
jbd2                   93312  1 ext4
sr_mod                 16228  0 
cdrom                  39803  1 sr_mod
sd_mod                 39488  5 
crc_t10dif              1541  1 sd_mod
pata_acpi               3701  0 
ata_generic             3837  0 
ata_piix               22846  2 
i915                  479899  2 
drm_kms_helper         34122  1 i915
drm                   250067  3 i915,drm_kms_helper
i2c_algo_bit            5762  1 i915
i2c_core               31276  4 i915,drm_kms_helper,drm,i2c_algo_bit
video                  21032  1 i915
output                  2505  1 video
dm_mirror              14101  0 
dm_region_hash         12170  1 dm_mirror
dm_log                 10122  2 dm_mirror,dm_region_hash
dm_mod                 81692  11 dm_mirror,dm_log

Last edited by pingpongofkingkong; 10-04-2012 at 05:08 PM.
 
Old 10-04-2012, 05:37 PM   #14
TobiSGD
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Try to load the rt2870sta module manually with
Code:
modprobe -v rt2870sta
then have a look at the output of
Code:
iwconfig
has changed.
 
Old 10-04-2012, 05:56 PM   #15
pingpongofkingkong
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Quote:
Originally Posted by TobiSGD View Post
Try to load the rt2870sta module manually with
Code:
modprobe -v rt2870sta
then have a look at the output of
Code:
iwconfig
has changed.
No such a module available, what should I do?

Please find the result below:

Code:
$ modprobe -v rt2870sta
FATAL: Module rt2870sta not found.
Thanks in advance!!
 
  


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