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05-28-2013, 11:02 PM
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#1
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Member
Registered: May 2013
Posts: 33
Rep: 
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why my wifi is not working?
i have recently installed centos 6.4 with
kernel-2.6.32-358.el6.i686
kernel-firmaware-2.6.32-358.el6.noarch
now i want to run wifi but i could not turn on even wifi button so will you please suggest me any suggestion ...do i need to install any driver and suggest me how to install because there is no internet in centos so how can i install offline
thank you!!!!
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05-28-2013, 11:08 PM
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#2
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Moderator
Registered: Feb 2003
Location: Arizona, USA
Distribution: Debian, EndeavourOS, OpenSUSE, KDE Neon
Posts: 4,021
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Do you have some form of network management installed (wicd, networkmanager) or are you trying to configure through the cli?
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05-28-2013, 11:11 PM
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#3
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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i didnt installed any network management and i am trying in GUI mode...please please suggest me...what drivers should i have to install
'
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05-28-2013, 11:11 PM
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#4
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Member
Registered: Dec 2005
Location: In front of the monitor
Distribution: Slackware
Posts: 322
Rep: 
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What is your wireless card?
can you post output of
or
Code:
lspci | grep -i wireless
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05-28-2013, 11:20 PM
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#5
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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[nidishady@localhost ~]$ lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Caicos [Radeon HD 6400M/7400M Series]
07:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)
0d:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
13:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader (rev 01)
13:00.1 SD Host controller: Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader (rev 01)
19:00.0 USB controller: Fresco Logic Device 1009 (rev 02)
but
lspci | grep -i wireless did not show anything
now what to do?
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05-28-2013, 11:35 PM
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#6
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Moderator
Registered: Feb 2003
Location: Arizona, USA
Distribution: Debian, EndeavourOS, OpenSUSE, KDE Neon
Posts: 4,021
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I don't THINK centos has the Realtek firmware available in their repos (someone correct me if I'm wrong, I haven't used CenOS in a bit), so have you downloaded & installed the firmware needed for your card?
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05-28-2013, 11:50 PM
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#7
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Member
Registered: Dec 2005
Location: In front of the monitor
Distribution: Slackware
Posts: 322
Rep:
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Quote:
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0d:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
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It looks like it detects your card, so
Lets see if module is loaded
can you post output of
or
Code:
lspci -nnk | grep -iA2 net
Last edited by Nikosis; 05-28-2013 at 11:53 PM.
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05-28-2013, 11:50 PM
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#8
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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so how to install that firmware please suggest me!!
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05-28-2013, 11:54 PM
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#9
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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[nidishady@localhost ~]$ lsmod
Module Size Used by
vfat 8479 0
fat 46985 1 vfat
usb_storage 38724 0
fuse 59026 0
autofs4 20437 3
sunrpc 211965 1
8021q 20355 0
garp 5703 1 8021q
stp 1626 1 garp
llc 4258 2 garp,stp
cpufreq_ondemand 8320 8
acpi_cpufreq 6794 1
mperf 1221 1 acpi_cpufreq
ipt_REJECT 1867 2
nf_conntrack_ipv4 7694 2
nf_defrag_ipv4 1039 1 nf_conntrack_ipv4
iptable_filter 2173 1
ip_tables 9567 1 iptable_filter
ip6t_REJECT 3987 2
nf_conntrack_ipv6 7207 2
nf_defrag_ipv6 8897 1 nf_conntrack_ipv6
xt_state 1064 4
nf_conntrack 65428 3 nf_conntrack_ipv4,nf_conntrack_ipv6,xt_state
ip6table_filter 2245 1
ip6_tables 10867 1 ip6table_filter
ipv6 264059 43 ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6
uinput 6020 0
hp_accel 10982 0
lis3lv02d 5954 1 hp_accel
input_polldev 2320 1 lis3lv02d
xhci_hcd 121418 0
r8169 50649 0
mii 4476 1 r8169
uvcvideo 54580 0
videodev 64770 1 uvcvideo
microcode 12216 0
sg 24038 0
i2c_i801 9467 0
iTCO_wdt 11998 0
iTCO_vendor_support 2408 1 iTCO_wdt
snd_hda_codec_hdmi 22905 1
snd_hda_codec_idt 53070 1
snd_hda_intel 23032 2
snd_hda_codec 101885 3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel
snd_hwdep 5026 1 snd_hda_codec
snd_seq 44709 0
snd_seq_device 5124 1 snd_seq
snd_pcm 67800 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_timer 17152 2 snd_seq,snd_pcm
snd 51792 13 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,sn d_pcm,snd_timer
soundcore 6390 1 snd
snd_page_alloc 6882 2 snd_hda_intel,snd_pcm
ext4 328781 8
mbcache 6017 1 ext4
jbd2 74118 1 ext4
sr_mod 13282 0
cdrom 33416 1 sr_mod
sd_mod 34923 10
crc_t10dif 1217 1 sd_mod
sdhci_pci 6398 0
sdhci 21431 1 sdhci_pci
mmc_core 65084 1 sdhci
ahci 34601 9
wmi 5183 0
i915 468710 2
video 16466 1 i915
output 1741 1 video
radeon 827216 0
ttm 57736 1 radeon
drm_kms_helper 34591 2 i915,radeon
drm 215850 5 i915,radeon,ttm,drm_kms_helper
i2c_algo_bit 4807 2 i915,radeon
i2c_core 25632 7 videodev,i2c_i801,i915,radeon,drm_kms_helper,drm,i2c_algo_bit
dm_mirror 11774 0
dm_region_hash 9644 1 dm_mirror
dm_log 8354 2 dm_mirror,dm_region_hash
dm_mod 68755 2 dm_mirror,dm_log
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05-28-2013, 11:59 PM
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#10
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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nidishady@localhost Desktop]$ lspci -nnk | grep -iA2 net
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 06)
Subsystem: Hewlett-Packard Company Device [103c:1656]
Kernel driver in use: r8169
--
0d:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
Subsystem: Hewlett-Packard Company Device [103c:1629]
13:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader [10ec:5209] (rev 01)
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05-29-2013, 12:09 AM
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#11
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Member
Registered: Dec 2005
Location: In front of the monitor
Distribution: Slackware
Posts: 322
Rep:
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Just a quick suggestion when you copy/paste output text, it would be more visible if you wrap it in "quote" or "code" brackets
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05-29-2013, 12:13 AM
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#12
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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[nidishady@localhost Desktop]$ lspci -nnk | grep -iA2 net
"""""07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 06)
Subsystem: Hewlett-Packard Company Device [103c:1656] """
""""Kernel driver in use: r8169 """"
""""""0d:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
Subsystem: Hewlett-Packard Company Device [103c:1629] """"
13:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader [10ec:5209] (rev 01)
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05-29-2013, 12:28 AM
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#13
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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hey my dear friends help me out here!!! i am really frustrated with this?
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05-29-2013, 12:34 AM
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#14
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LQ Guru
Registered: Jan 2009
Location: Japan
Distribution: Mostly Debian and CentOS
Posts: 6,726
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Hi,
afaics everything looks ok. What are the output of the following commands?
Code:
ifconfig -a
iwconfig
Evo2. |
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05-29-2013, 12:38 AM
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#15
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Member
Registered: May 2013
Posts: 33
Original Poster
Rep:
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this is the output i think there is no wireless driver so how can i install it!!!! please suggest me
[root@localhost ~]# ifconfig -a
""""eth0 Link encap:Ethernet HWaddr 08:2E:5F:8A:F3:6B
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:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:480 (480.0 b) TX bytes:480 (480.0 b) """"
[root@localhost ~]# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
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