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pingpongofkingkong 10-03-2012 04:51 PM

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!!

TobiSGD 10-03-2012 05:16 PM

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.

pingpongofkingkong 10-03-2012 05:44 PM

Quote:

Originally Posted by TobiSGD (Post 4796424)
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.

TobiSGD 10-03-2012 06:27 PM

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/

pingpongofkingkong 10-03-2012 06:46 PM

Quote:

Originally Posted by TobiSGD (Post 4796463)
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.

TobiSGD 10-03-2012 07:24 PM

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.

pingpongofkingkong 10-04-2012 03:21 AM

Quote:

Originally Posted by TobiSGD (Post 4796494)
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?

TobiSGD 10-04-2012 07:29 AM

Have you tried to get your card working now? What happened after you blacklisted those modules and restarted?

pingpongofkingkong 10-04-2012 09:52 AM

Quote:

Originally Posted by TobiSGD (Post 4796956)
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!!

TobiSGD 10-04-2012 10:05 AM

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.

pingpongofkingkong 10-04-2012 04:08 PM

Quote:

Originally Posted by TobiSGD (Post 4797097)
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.

TobiSGD 10-04-2012 04:35 PM

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.

pingpongofkingkong 10-04-2012 06:06 PM

Quote:

Originally Posted by TobiSGD (Post 4797470)
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


TobiSGD 10-04-2012 06:37 PM

Try to load the rt2870sta module manually with
Code:

modprobe -v rt2870sta
then have a look at the output of
Code:

iwconfig
has changed.

pingpongofkingkong 10-04-2012 06:56 PM

Quote:

Originally Posted by TobiSGD (Post 4797561)
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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