CentOS 5 Hardware :: RTL8187B WLAN USB Dongle Support In 5.3?
May 4, 2009
I am considering installing CentOS 5.3 on my laptop, and currently the only thing stopping me is the WLAN in the computer. This laptop uses the RTL8187B USB dongle chip as the internal WLAN card, and support for it was only "recently" added to the kernel. Now, I know CentOS uses the 2.6.18 kernel, though not as "such", but rather its API, and have a LOT of hardware support, security updates and enhancements found in recent kernel releases backported to this kernel version (or rather kernel version API). This particular piece of hardware support was tricky at best and only began to appear in the Linux kernel up until version 2.6.24, which I do believe introduced a heavy change in the kernel driver API or something to that effect,
which would mean that driver code from a more recent kernel release (say 2.6.26/27) may not be all that portable to an older driver API version, hence, that's why I ask if support for hardware that has been only recently added to the kernel may be found in the CentOS kernel. I do not know how much further tweaked the CentOS kernel is in regards to the RHEL kernel, so I guess I could find out whether support is there or not by poking around the .src.rpm for each kernel (RHEL 5.3 and CentOS 5.3) and see, I was hoping, however that someone would know without having to poke around the source packages and the patches.
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Jun 19, 2011
I just bought this USB adaptor and it does not work. I looked into "dmesg":
lsusb:
I am almost sure that it does not cost to spend time on this piece of equipment, but before I'd like to do minimum problem determination on this subject.
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Mar 30, 2009
very much like everybody i am also waiting for centos 5.3, because 5.2 could not sit on my notebook due to obvious driver issues. would anybody tell if centos 5.3 support my x3100 graphics card and bcm 4311 wlan card?
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Nov 9, 2010
I'm looking for a usb dongle which allows an extended wifi range (usually looks like a usb stick with a small antenna on top). Buffalo and Planex have both replied they don't support linux. Alfa makes one but I cannot get it locally.
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Feb 23, 2009
I'm running Slackware with 2.6.26 kernel. I've got bluez-utils,libs version 3.26 (Slackware 12.1 precompiled package), and kdebluetooth. I'm using a Digicom Palladio Usb Bluetooth adapter. In general, bluetooth seems to work; I can send files to my Nokia phone. Now, I've got this Bluetooth stereo headset (brand rather unknown, and I've thrown the package away, I've only got the little user manual, and there is no indication on who built this thing).
This is what I've tried so far:
- turn the headset on and turned pairing mode on;
- kbluetooth -> Configuration -> Input devices (input?) -> Search;
- kbluetooth finds the headset and asks that I insert the pin code; a little star appears next to the name of the headset ("Stereo Headset"), but after a couple of seconds disappears and at the same time I hear a beep coming from the headset (disconnection?). Anyway, just before the beep, noise came from the headset (as if it had turned on), then, after the beep, nothing.
- Important thing: the headset manual says the Usb dongle must support A2DP and AVRCP. I don't know how to find out whether my dongle supports them, anyway, if I execute 'sdptool', in the "Services" section I get: [Code} ....
Does this mean that bluez/my usb dongle doesn't support A2DP? Anyway, I followed the instructions on "Bluez - Trac - AudioDevices" [URL] and added the specified part to .asoundrc. Of cource, even if I tell xine to use "bluetooth" as pcm device, it says the device is unknown.
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Apr 23, 2010
Does anyone yet know of any Linux distro which offers native support for this usb HSDPSA dongle?
Failing that, any distro which can be hooked up to it with minimal tinkering.
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May 8, 2009
could anyone here report from experience which WIFI USB dongle "just works" with Centos 5.2?
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Feb 17, 2009
I have hp dv6291 laptop with Centos 5.2 os the NIC & WLAN not working ?
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Nov 27, 2009
There is no wlan0 interface when trying to run FRITZ!WLAN USB Stick N 2.4 on OpenSuSE 11.2, though it works fine on Fedora 11 and Mandriva Spring 2009.1. All 64bit. Contrary to Fedora and Mandriva, there is no need to compile the compat-wireless module ar9170usb for OpenSuSE 11.2 because the kernel is very recent and includes this driver. Kernel: 2.6.31.5-0.1-desktop The /var/log/messages gives this after I put the stick in the PC. At first it is seen as a mass storage device:
Nov 27 22:00:24 linux-3mwa kernel: [ 73.420755] usb 1-5.1: new high speed USB device using ehci_hcd and address 4
Nov 27 22:00:24 linux-3mwa kernel: [ 73.540834] usb 1-5.1: New USB device found, idVendor=057c, idProduct=84ff
Nov 27 22:00:24 linux-3mwa kernel: [ 73.540841] usb 1-5.1: New USB device strings: Mfr=16, Product=32, SerialNumber=48
Nov 27 22:00:24 linux-3mwa kernel: [ 73.540847] usb 1-5.1: Product: FRITZ!WLAN USB Stick N 2.4
[Code]....
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Mar 26, 2011
I have just performed a F14 minimal install on an older pc. I have set up a local repo from the install dvd.get the wireless usb adapter working.lsusb reports:Bus 001 Device 002: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter What drivers do I need to install and how do i get it working? The device is LevelOne WNC-0301USB
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Jun 24, 2009
I try to set up a 5 nodes cluster and a shared Coraid Storage with conga but it fails with "Shared Storage Support" checked.The message is:'A problem occurred when installing packages: Packages of set "Clustered Storage" are not present in available repository' and it is shown under every node on the next sceen after I submit.The pc where conga runs is on the same subnet (192.168.xxx.xxx) and it has the same /etc/hosts of the other nodes.In that pc runs a proxy too and the nodes go out through it (that pc has 2 NICs)Every node (2.6.18-128.1.14.el5-xen-x86_64) is patched whith the last yum update (this morning) the same is for the pc (2.6.18-128.1.14.el5).Every node has 4 NICs , 2 NICc towards the storage the others in bonding towards the WAN.Every node is exactly alike, they have been installed with the ks.cfg generated from the first node and they all have the support for Clustering, Virtualization, and Clustered Storage.
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Oct 16, 2010
I'm setting up a raid 5 on several hard disks with a layer of lvm on top for good measure.I know the recent kernels support growing software raid, but since centos runs 2.6.18, I wanted to make sure it'll work. Does the centos kernel support growing raid devices?
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Apr 26, 2011
trying to get my little Encore USB wireless adapter to work on several flavors of Linux (Ubuntu 10,10, ElementOS, Xubuntu, and Puppy), I emailed tech support at Realtek. I asked where is the Linux driver for this product? I did this because there were no Linux drivers posted on their site and everyone here (and on Newegg) is jumping though hoops trying to get a working wireless connection with the Encore and similar dongles that use the RT8187b chipset. I didn't expect an answer, but felt better after my little vent. I get an email from Realtek with a driver. Realtek needs to promote Jerry -- a beacon of customer service in the age of the "get lost" school of customer relations. I have attached the driver below. Caveat: I have not yet compiled the driver, so I don't know much more about it than I've said already, although the archive appears to contain the source code.
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Mar 20, 2010
I've been using linux for about a year but I'm not a programmer or anything. I recently got a Toshiba Satellite L550 that has a Realtek 802.11b/g wireless LAN. I am using ubuntu 8.10 and everything I've read on this forum and others states that this version of ubuntu can use this device. However, it seems that my system doesn't even know the device is there. When I run "sudo lshw -C network", I get this:
[sudo] password for house:
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
[Code]....
None of the descriptions show a wireless device? I'm not sure what this means or what the next step is. My wired connection works fine.
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May 20, 2009
I have been using SLES 10 SP1 so far with about 6TB Raid system without problems.I have upgraded the OS to CentOS 5.3 i386 and I have noticed the kernel can not recognize raid system larger than 2TB.Is there any parameters that I have to set ? or the i386 distribution simply does not support larger raid, so I have to use x86_64 version, instead?
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Jun 3, 2010
I am running a CentOS 5.5 system which does NOT support VT Technology, so I am unable to use Xen HV. I am very happy with OpenVZ other than the fact that it doesn't support Windows, only Linux.I'd like to have VMWare Server 2.x installed, but it appears that OpenVZ changes the Kernel to, in my case, 2.6.18-194.3.1.el5.028stab069.6. The default kernel on my system is 2.6.18-194.3.1.el5.i386.If I change grub to load 2.6.18-194.3.1.el5.i386, VMWare will work but OpenVZ will not. If I change grub to load 2.6.18-194.3.1.el5.028stab069.6, OpenVZ will work, but VMWare will not.If I try to run /usr/bin/vmware-config.pl while in the 2.6.18-194.3.1.el5.028stab069.6 kernel, I get an error of:
None of the pre-built vmmon modules for VMware Server is suitable for your running kernel. Do you want this program to try to build the vmmon module for your system (you need to have a C compiler installed on your system)?Using compiler "/usr/bin/gcc". Use environment variable CC to override.
What is the location of the directory of C header files that match your running kernel?[/usr/ src/ linux/ include]I'm so lost as what to do now..is there anyway I can compile both of the kernels together somehow?
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Jul 4, 2010
I'm running 10.04 LTS
I have loaded ndiswrapper and managed to get my D-Link usb dongle working (this is wireless N) but I need to disable my laptops built in rtl8187B wireless (they both connect at log on).
In Windows I just turn of the wireless switch but in Ubuntu this disables all wireless. I think I have to black list the rtl8178b driver.
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Jan 7, 2010
Got a laptop with a RTL8187B wlan card, installed opensuse 11.2 on a 50gb partition. Card was detected straight away but only connects when I enter ip addresses manually, DHCP don't work.
When it is connected it always stays at a speed of 1mb/s and it cannot ping my router or anything else.
Me kernel is 2.6.31.8-0.1-desktop
Searched around the forums but no love, tried compat-wireless but it started crying about dependencies. Modprobed it too..
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Sep 8, 2009
After reading and trying tons of tutorials and several OS reinstalls, I'm stuck trying to load wireless on my Dell Vostro 1400 laptop. Before you say search forums! I hurry to tell I did. No solution seems to work. WLAN chipset - Broadcom's BCM4311 / BCM 2050. 1st scenario - native CentOS 5.3 drivers Although CentOS recognize WLAN card and displays it's name correctly, neither network or NetworkManager sees any of wireless networks.
2nd scenario - Broadcom's drivers Most know Broadcom has released Linux drivers. I had some more luck with them than in 1st scenario although problems occur. After successfully compiling Kernel module, wireless networks are discovered and can be successfully connected but no pages load. It seems like DNS is not resolving at all and page loading timeouts instantly. Tested on TKIP-encrypted network.
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Oct 16, 2009
Will Redhat support CentOS under any circumstances? I have heard at my employer that if you setup you system with CentOS and then on down the line you find you need RHEL support that you can purchase a license from Redhat and they will support your CentOS installation.Is that an official policy at Redhat? Unofficial? Or completely untrue?
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Mar 31, 2010
I've just installed Ubuntu 9.10 in my laptop. Everything works fine except for my wireless. It works, but much, very much slower the through RJ45, which is perfectly ok. When using wireless i can't even connect to any online messaging service and I need to reload pages oftenly. My security setting is WEP 128 bits ASCII and since I'm trying to follow the format suggested on the thread "HOWTO post a Wireless issue" I'll try to provide the infos like requested on it. Laptop brand and model (I'm from Brasil, so it's a brasilian model)
Code:
Semp Toshiba IS 1412
Wireless Card
Code:
ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter
Interface
[code]....
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Jun 3, 2010
I have a Gateway ML6721 laptop that uses a Realtek RTL8187B for wireless comms. I am very new to Ubuntu and Linux. I am trying out linux using a usb stick, 16Gb with a 4Gb persistence. If I stay in the same room as the router there is no problem. If I walk too far, I get disconnected. Works fine in windows throughout the whole house. Is there a setting I can change or do I need to use a different driver?
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Nov 15, 2009
I have a desktop that has a d-link DWL-520 wireless card, which was working under Windoze. Today I installed Centos 5.4 on the system , which went cleanly. I then used Network Configuration to set up the wireless card. I specified to use DHCP, set the SSID and authentication password. When I tried to activate the card I get these error messages
Error for wireless request "Set Mode" (8B06): SET failed on device wlan0 ; Operation not supported. Error for wireless request "Set Encode" (8B2A): SET failed on device wlan0 ; Invalid argument. Error for wireless request "Set Encode" (8B2A): SET failed on device wlan0 ; Invalid argument. Determining IP information for wlan0.
The hardware manager seems to have correctly identified the card and chipset, (Intersil Prism 2.5) and installed driver hostap_pci which came with the distro. This web site seems to suggest that this is the correct driver: [URL] searching forums I've found a few references to these errors, but they were from several years ago, and for different distros and cards. I did find a reference to using Network Manager to configure the card instead of Network Configuration. I started the NM service and configured a connection using it instead, but still no luck.
[Code]....
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Jan 7, 2010
I can connect to the internet fine, but it refuses to go any quicker than 1mbit. Below is my recent result from [URL]
My iwconfig shows...
Code:
lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
[code]....
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Jun 15, 2011
I tried to installed Centos5.4 version on Dell PC intel corei3 inspiron580s and succeeded but found some issues following below
1 Hardware issue for LAN driver ( Broadcomlink(TM)gigabit ethernet)
2 Display Driver not support and also missing Xorg.config file (i.e ., My Screen Starts from center of screen )
3. What is minimum configuration for centos 5.4 ?
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Jul 1, 2009
my server is sun x4450.Memory is 64G RAMinstall CentOS 5.3 64bit.free -m only dispaly 32G RAM,but BIOS can display 64G RAM.how to setup support 64G RAM?
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Oct 16, 2009
Does this mean kmod-xfs is no longer needed in centos 5.4 x64?
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Nov 27, 2009
I am a nebie to CentOS and I noticed that I don't have much fonts installed and display looks 10 year old. How others who use CentOS as a desktop manage with their fonts?
I noticed a link: [URL] and it mentions that Fedora and Redhat don't have support for True Type Byte Code Interpreters. Is it true? If so how do we enable it.
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Mar 20, 2010
I have done an initial CentOS install. I've now found out that the driver that I want to install (nVidia for GPU support) will not support the Xen feature that I installed. I'd like to avoid having to re-install completely. Is there a way to remove the Xen support that is documented somewhere?
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Mar 5, 2009
What is the long term support plan for CentOS 5.2 (or indeed 5.3)? We are interested in changing our machines away from Scientific Linux 4.5, because support is ending for that OS within 12 months. So we need to make sure that a new OS choice is going to have support for a number of years.
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