Debian Configuration :: Wireless LAN With Multiple SSIDs

Jun 12, 2011

I have a laptop running Debian Squeeze that has one wifi nic - wlan0. The ethernet nic eth0 is faulty.I have configured /etc/network/interfaces to enable wlan0 to access my home wireless LAN. The SSID for this connection is wlan1 and the security used is WPA2.A second SSID configured for the wireless LAN is wlan2 and the security used on this second SSID is WPA.Is it possible to configure wifi networking on this laptop to be able to connect to this wifi network using either SSID - wlan1 or wlan2 - via the laptop's sole network interface, wlan0?

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Debian Configuration :: Wireless Networking For Multiple Users?

Dec 4, 2010

I have 2 users on my HPmini 210 netbook running Squeeze. I just found out that it does not connect to existing wireless networks when I login as the second user. Is it supposed to happen by default or am I supposed to do something to make that happen? Another problem is that when I tried to create "new connections" again for the second user, the keys won't work. The same keys are working for the first user. The network keys are WEP 64 bit HEX.

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Debian Configuration :: Configure Multiple NIC's?

Jan 26, 2011

I have a Debian server that had only one onboard NIC (1000 Gbps) but now I've added two PCI Intel Pro 1000 NIC's into the system to bump up the total # of NIC's to three. My question now is can I specifically assign or force Debian which interface to configure as ethx? I would always like my onboard NIC to be 'eth0' and the two additional NIC's to be 'eth1' and 'eth2'. For some reason Debian loads the modules at random and sometimes what was my

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Debian :: Multiple Proxy Configuration For Apt?

Dec 29, 2010

Is there a way to configure apt to use different proxies for different repository servers?

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Debian Configuration :: KVM / One Interface / Multiple IP Addresses

Dec 27, 2015

I'm renting a server which comes with 5 IP addresses, but only one network device. From what I can understand I'm able to create aliases by adding entries to /etc/networks/interfaces, I haven't tried I'm in the planning stages. Hypothetically, 192.168.22.30 is my primary IP and I want to set eth0:1 to have 192.168.22.31, and then after that I want to create a virtual machine (using kvm/qemu) that is able to communicate bidirectionally to the internet over eth0:1, and leave eth0 strictly for administrating (not for VM traffic).

The qemu guides I'm finding seem to assume that I want to use TAP or VDE, what I want to use is a sub-ip/alias. One guide I saw had me eliminate everything from eth0 and put it under br0. That would leave me unable to ssh into my server (and unable to administrate). Is there a way I can do something along the lines of: qemu [options] -net [option] -netdev=eth0:1 ?

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Debian Configuration :: DHCP For Multiple VLANs

Feb 7, 2016

I'm trying to setup a DHCP server that serves several different VLANs, we have 5 in total. Our network is working correctly, with static IPs, we're able to ping across without any issues.

When I connect my debian box to an interface on VLAN5, statically assign an address in the correct range, it works. Similarly with all other VLANs.

To configure this box as a DHCP, I set one of the ports on the switch as trunk, connect that to the debian box to allow all VLAN traffic to reach my debian box.

I setup DHCP following the steps on [URL] ....

Then I configured different VLANs by following the steps on [URL] .....

However, with the vlans setup, I am unable to ping anything. This is essentially what I did.

Code: Select allSet the port on the switch to trunk with 802.1 encapsulation
disable eth0
vconfig add eth0 5 # to add vlan 5
ifconfig eth0.5 192.168.5.254 netmask 255.255.255.0 up
vconfig add eth0 5 # to add vlan 10
ifconfig eth0.5 192.168.10.254 netmask 255.255.255.0 up

[Code] ....

I do not know why I am unable to get any connectivity through my VLAN interfaces.

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Debian Configuration :: Kernel Using Multiple Featuresets?

Aug 15, 2010

I was wondering if/how it would be possible to compile a kernel package where two featuresets are applied. I notice that xen-vserver seems to have been done and wanted to make a xen-openvz kernel if possible to use VZ containers in a Xen DomU. I've tried reading the metadata files in the debian/ dir of the kernel source but there seems to be a lot "going on" and I couldn't make much sense of it...

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Debian Configuration :: Using Spamc With Multiple Files?

Jul 27, 2011

I have several mails which I want to scan by using spamc and thats the problem.

It works when I use just one mail message as a parameter of spamc. E.g. spamc -c < 17383. BUT when I want to pass several messages on spamc e.g. spamc -c < 17383. 18974.(spamc scan just the first message) OR when I use a whole directory e.g. spamc < ./test/* it doesnt work. (output: -bash: ./test/*: ambiguous redirect)

how to pass multiple files in command line on spamc? I know - I can create a script, but I would be glad if it worked for testing in CLI (command above).

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Debian Configuration :: Correct Way To Start Multiple Instances Of MPD?

Mar 18, 2010

The first thing that comes to my mind is to add (copy) the script in /etc/init.d and the /etc/rc* directories by hand. Debian's automatic handling of init scripts on package install/removal is quite nice, so I tend to shy away from making any manual changes if there's an automated way to do it. Which leads me to the question: is there an official way to run a second instance of a daemon? (Tried google, didn't find much more than a bug report).

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Debian Configuration :: Multiple Network Interfaces With VirtualBox?

Mar 29, 2010

I have a rather urgent problem with my network, I got two virtual network interfaces one internal and one external. The problem is; I can't get connection to internet. The external NIC is set as a NAT and the internal is... internal.

/etc/network/interfaces
auto eth1
iface eth1 inet static
address 192.168.1.200
netmask 255.255.255.0

Running with this configuration makes my internet connect go away, however if I remove the configuration for eth1 everything is working fine.

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Debian Configuration :: Preventing Multiple Instances Of User?

Sep 6, 2010

Currently, a user is able to log into multiple terminals simultaneously, creating a copy of their roaming profile on each, and potentially causing problems if the instances are logged out in the wrong order. Is there any way to prevent this, so that if a user has logged in on a machine and not logged out (and perhaps some timeout has not yet expired) then their login attempts on another machine will be rejected.

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Debian Configuration :: CUPS And Multiple Printer IP Numbers?

May 29, 2011

Our Canon MX340 printer is WiFi connected using an IP address. This works well except that whenever the printer is turned off (for any reason) it chooses another IP next time it is turned on. As near as I can tell, it has two IP numbers: 192.168.1.64 and 192.168.1.65 Is it possible to enter both in the CUPS configuration so that CUPS will find the printer whichever number it is using?

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Debian Configuration :: Jessie Nvidia-settings Multiple Monitors

Aug 30, 2015

I've always used Debian with a single monitor and no need of proprietary drivers, because I usually don't do graphics or multimedia. Now I'm asked to set-up a machine with 3 nvidia video cards (770) and 4 monitors and everything went south. I started with just 2 monitors connected to 2 different video cards, not wanting to push my luck.

I installed a fresh Jessie and followed the instruction to install the nvidia drivers and tools from the Wiki. Everything went smooth. After reboot I executed (as root) nvidia-settings and I configured the two monitors to be one to the right to the other, with BaseMosaic option (at this point just one monitor was active) I saved the configuration to /etc/X11/xorg.conf , I even executed nvidia-xconfig as suggested, I rebooted and nothing happened, only one monitor was working, while the other -- looking again in the nvidia settings -- was still disabled.

I then tried with xinerama option and things are even worse, since now both monitors are black. I can login in one textual shell, but then I don't know what to do, since in my 10+ years of linux ... I never had to mess with X server. Is there a way to at least recover a working X without reinstalling everything?

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Debian Configuration :: Multiple Gateways / Firewalls Pointed To One Interface?

Apr 4, 2016

I am having some troubles using iptable rules on two Servers that act as Gateways pointed to one backend server with only one interface.

To be more exact, i have 3 Servers, 2 of those have a public and a private interface, with different public ips but common private interface ( they connect to the same switch ), the last one only has 1 private interface and is connected to that same switch.

Those 2 servers also act as a gateway and a firewall for the private network.

My problem is that i cannot seem able to route traffic from both of those to the third one and back to the same public ip that the request came from ( effectivly using two gateways on the machine with only one interface ).

As a testing scenario i am using ferm for applying iptable rules that forward ssh traffic ( for example ) to the backend server, and it works well when i do it with one gateway.

When i apply something like this in /etc/network/interfaces on the backend server though:

Code: Select allauto eth0:0 eth0:1
# The primary network interface
allow-hotplug eth0
iface eth0:1 inet static
   address   192.168.9X.XXX
   netmask   255.255.255.0
   broadcast 192.168.9X.255
   network   192.168.9X.0

[Code] ....

Even though forcing selection of an interface from the backend server ( like curl --interface ) seems to work well, meaning that the request to the curl appear to happen from the correct public ip, i can still only use one of the public ips to access the server with the ferm rules. Ideally i should be able to ssh to the backend server from both public ips using their ferm rules for forwarding traffic to the backend server.

I feel like i am missing some details on routing that should happen on the firewalls as the backend server seems to be able to use both gateways to access the internet and receive replies from it.

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Debian Configuration :: Multiple Virtual Servers Be Setup In 2 Desktops?

Jun 12, 2010

I now have 2 desktops running debian. I have virtual servers running in desktop 1, and I am hosting my photos using Gallery2. I have copied Gallery2 and the mysql over to desktop 2. I have entered port forward to desktop 1 using port 80 (using my router), and desktop 2 using port 1000. I can only access Gallery2 in desktop1. If I tried to access Gallery2 in desktop 2, I got re-directed to desktop1.

Questions:

1. Are home routers capable of port forward to more than one computers in a home network behind the firewall of the router? It is Belkin N+ router.

2. Can multiple virtual servers be setup in 2 desktops?

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Debian Configuration :: Custom Multiple - Boot Troubleshooting-System?

Aug 16, 2010

I want to build a custom system and I need your opinions. I have an old laptop which I want to configure as a system for troubleshooting purpose, my idea is to have multi-boot system with multiple root file systems, e.g. one root file system has only BIND to work as DNS server, another root file system has only Samba, etc., and I can choose which system to boot into from grub, or a custom menu after booting grub.

I thought of setting multiple partitions and install a full system on each one, but I thought that there might be a better way to do this, I'd like to hear your opinions.

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Debian Configuration :: Samba: Sharing A Folder With Multiple Groups?

Aug 30, 2010

I have a folder, called Vault, that we want to share only with certain people. Because it will contain confidential information.

I want the unix group trustees to have read-only access I want the unix group administrators (and root) to have read/write access

All other users should have no access.

the implementation I have so far is:
folder owner: root:administrators
folder permissions: 770
section from smb.conf

[Code]....

However, this is not working as expected. It currently works as follows:

Normal user: No access (expected) Trustees member: No access (fail. Trustees should be able to read) Administrators member: Read/write access (expected)

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Debian Configuration :: Setup Multiple Mac Address Over Single Ethernet Interface?

Jul 23, 2015

I want to configure multiple virtual ethernet interfaces over a single physical ethernet interface (eth0) and for each virtual interface the MAC address must be unique and the IP address must be Static.Finally all the virtual interfaces must be able to communicate both internally and externally and the traffic should be captured using wireshark.

I need to have such kind of setup to communicate devices individually using one physical ethernet device.

Because I was fiddling with few kernel modules like MACVLAN and MACVTAP and successfully enabled those modules and rebuild kernel. Using macvlan and macvtap I can configure virtual interfaces with unique mac address and static IPs but while capturing packets using wireshark interfaces behave weirdly.

For example say on HOST machine I have 1 physical interface and created 3 virtual interfaces as shown below.

Interfaces :

eth0 (physical ethernet interface)
IP: 192.168.A.A
MAC: aa:aa:aa:aa:aa:aa

[Code] ....

First from above interfaces I started pinging eth0 internally from host machine in which it worked as usually.

Second I did same externally from other machine which is connected to the same network of Host machine, and this did work as usually.

Third I pinged first virtual interface veth0 both internally and externally and this also works and after that I did check source and destination MAC address using wireshark tool-where both showed up there respective MAC address.

Now triggers the issue, where I pinged second virtual interface same like I did for first one, but this time ping was success and where as in wireshark tool the MAC address for veth0 is picked by veth1. This is where I got stuck and this issue happened for all the remaining virtual interfaces.

I couldn't see any virtual interface showing their respective MAC address, as of the remaining except the first virtual interface has been picking the first veth0 mac address.

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Debian Configuration :: Multiple Partition Setups Other Than Resistance To Data Loss In Crashes?

Feb 25, 2010

What are the advantages of the multiple partition setups other than resistance to data loss in crashes? Is there any other reason to have a special partition just for your boot directory (kernel files and config) than surviving a major crash?

Also, is it possible to make the Debian installer accept an existing set of partitions? Or even alter the size of the automatically created partitions? Does expert mode let you control the partitions? How many other very detailed things would I have to know to use expert mode, though?

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Debian Configuration :: Wireless Does Not Reconnect

Oct 26, 2015

I have done a clean install of debian 8.2 (jessie) on a new PC. I am working through some of the issues that were not correctly installed. One of them is the wireless network. On startup, I have a wireless connection. At some point within the first 5-25 minutes of being logged in and doing computer stuff (there is no known action that leads to the reaction), the wireless disconnects from the network and will not reconnect. The network-manager-gnome shows three horizontal dots; the system settings> network shows all of the available networks, the strength of their signal, and the "connecting" circle spins. This behavior occurs with both WPA and insecure networks.

I have followed the guidelines for Debian>WiFi>HowToUse (https://wiki.debian.org/WiFi/HowToUse). Nothing appears amiss when following the Network-Manager>Gnome portion of the instructions. I was going to try the alternate WICD program, but one has to uninstall network-manager to use wicd and synaptic also wants to remove something called "gnome", too-- uninstalling a package with that name makes me uneasy. I have noticed that the installed versions of network-manager (0.9.10.0-7) and network-manager-gnome (0.9.10.0-2) don't exactly agree, but I doubt that that is significant.

root@fayalite:/home/agnewton# iwconfig
eth0 no wireless extensions.

wlan0 IEEE 802.11bgn ESSID:"Mineralogy"
Mode:Managed Frequency:2.472 GHz Access Point: 64:E5:99:2C:A0:7E
Bit Rate=150 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=-18 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0

[CODE]..

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Debian Configuration :: Wireless Disappeared On Tray?

Aug 18, 2015

I installed Debian today and when i installed it,it got problem with my wireless and it was this "firmware Missing".

So i opened synaptic and installed broadcom drivers for my wireless "broadcom-sta-common" & "broadcom-sta-source" & "firmware-brcm80211".

After I done that and restarted my laptop the wireless was gone from connection option and i cant get it back. My Wireless driver is "Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter" ...

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Debian Configuration :: Iwlwifi - No Wireless Internet

Mar 19, 2016

I'm a new Debian user but I've been around Linux for awhile. I wanted to try Debian because I wanted something stable and that I could set up myself from a minimal install. However, I'm having issues with my WiFi connection. I'm running KDE and connected to the network, but I can't access any webpages or ping, for example, google.com. I know the network is working because I'm connected to it on my phone and my wife's Macbook. Here's the output of lspci:

Code: Select all00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)

[Code] ....

Here's the output of lsusb:

Code: Select allBus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 004: ID 05ca:18ff Ricoh Co., Ltd
Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

[Code] ....

I'm using jessie. So far I've tried using firmware-iwlwifi from backports and installing kernel 4.3.0 from the stable repos.

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Debian Configuration :: No Wireless Network Found

Mar 25, 2016

I am running Jessie 8.3 and wireless in Wicd has stopped working for me, displaying "No Wireless Networks Found."

Code: Select allsudo /etc/init.d/wicd restart Restarted wicd
Made sure wlan0 is in wicd preferences.
iwconfig:

Code: Select alleth0      no wireless extensions.

wlan0     IEEE 802.11abg  ESSID:"Tell My Wifi Love Her" 
          Mode:Managed  Access Point: Not-Associated   Tx-Power=200 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
         
lo        no wireless extensions.

For some reason my user account was removed from the netdev group? So I readded it...

Code: Select allekarr@fidelio:~$ sudo gpasswd -a ekarr netdev
Adding user ekarr to group netdev

[code]....

And still, "no wireless networks found" in Wicd.

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Debian Configuration :: How To Get Wireless Card To Work

Jan 21, 2010

I'm having trouble getting my wireless card (RNX-G300LX, from Rosewill) working with my Debian install. I had it working at one point in time, but (apparently) something has gone wrong, as it no longer connects. The network I'm trying to connect to uses WPA2. When I try to start up my wireless card as follows:
# ifup wlan0

I get the following response:
wmaster0: unknown hardware address type 801
wmaster0: unkown hardware address type 801
Listening on LPF/wlan0/00:1a:...
Sending on LPF/wlan0/00:1a:...
Sending on Socket/fallback

DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 17
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
No DHCPOFFERS received.
No working leases in persistent database - sleeping.

I have set up /etc/network/interfaces as follows:
auto lo
iface lo inet loopback
iface wlan0 inet dhcp
wpa-conf /etc/wpa_supplicant.conf
auto wlan0
and /etc/wpa_supplicant.conf looks like this:
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=0
ap_scan=1
fast_reauth=1
network={
ssid="apt_102"
scan_ssid=1
key_mgmt=WPA-PSK
psk="mypassword"
proto=WPA2 }

I should also note that running wpa_cli -i wlan0 tells me that it is "trying to associate" with my router, but authentication times out each time.

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Debian Configuration :: Wireless Only For Main User?

Mar 24, 2010

I don't exactly know what happened but for some reason only the main user has access now to the networkmanager and is able to connect to internet. If I switch to another user, the networkmanager reports no connectivity and the PCMCIA card dies. Does anyone know what to do? It seems like an access feature, related to permissions or something.

I checked but the user is added to the netdev group...

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Debian Configuration :: Wireless Iface Cannot Be Reached From Other PC

Apr 14, 2010

I have very strange problem with kernels 2.6.33 and 2.6.34. I have a wireless card Linksys WMP200 using rt61pci. It connects just fine using WPA2 and works, but in less than 20 minutes I still can reach any machine on my network, but this machine cannot be reached by the others (i.e. before these 20 minutes others can ping me). With default kernel 2.6.26 (Lenny) all is OK. I do not use any firewall. When this happens logs do not change - wpa_supplicant's log is normal (associated), syslog is fine, dmesg shows no errors. Sofar I have tried this:

1. acpi=off as boot parameter
2. both new kernels 2.6.33 and 2.6.34 are compiled with CONFIG_CF80211_DEFAULT_PS disabled
3. iwconfig wlan0 power off
4. Tried ndiswrapper. The device is up and scans fine but wpa2 is not working...
5. Compiled a kernel without ACPI

This is all I did without any luck and I really need the new kernels because I have a quatech device attached to the machine...

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Debian Configuration :: Http Server Behind Wireless Ad-hoc?

May 7, 2010

My question is rather simple, but i couldn`t find any answer yet i have a debian box connected to the internet through an ad-hoc wireless connection with a win7 box.Could I run a http server on the linux box and access it from the "outside" somehow, since my linux box has a "private network" type IP, ie: 192.168.137.12 ?

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Debian Configuration :: Can't Connect To Hidden Wireless

Jul 9, 2010

Finally took the plunge and decided to give debian a go, not done so before as feared it would be too complicated. Net install went ok. Used to wiki to get me wireless up and running by copying those commands provided most of which made no sense (why the separate kernel image for wireless?).

Anyway seems to have worked so now to the problem I can't connect to my wireless network its not broadcasting so configured it manually the way I do in ubuntu through the net manager, it doesn't connect at all.

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Debian Configuration :: Wireless Not Working With Sid And New Device?

Dec 8, 2010

The computer networking works fine with a normal static setup, but adding a USB wireless device is not successful. It is my own network so the wpa-ssid and wpa-psk are known to work with Lenny and a previous wireless device.The device is recognized (lsusb) and the driver is confirmed to be in the kernel (lsmod). Here is the iwconfig output:

wlan0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off

After typing: ifconfig wlan0 192.168.1.144 up I can ping that address, but it is not working. I have just done a fresh install of Sid so that I could get the 2.6.35 kernel which contains the ath9k_htc driver for the USB wireless device that I am using. The firmware is ar9271.fw but my source of that is questionable because it does not seem readily available. I am temporarily using a PCMCIA wired connection which is what I am using to connect to the computer via telnet. (This is just for convenience so as to avoid getting up all the time.) Here is the ifconfig output:

eth0 Link encap:Ethernet HWaddr 00:40:05:07:d9:11
inet addr:192.168.1.122 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::240:5ff:fe07:d911/64 Scope:Link

[code]...

That file works with the previous USB wireless device under Lenny. Am I doing something wrong or is the driver and firmware just not up to snuff yet?

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Debian Configuration :: Installing Wireless From Disk?

Dec 17, 2010

How can I load packages from the cd? I installed from cd1 which I burned on a desktop, then installed Lenny onto a laptop. Works great, no problems except I have no way of connecting the laptop other than wireless.
I've found the network manager package on the cd, but don't have a clue how to install it. I really need to get the wireless working so I can install package manager, wi-fi radar and some other things. I tried putting the disk back in and thought rescue mode might bring me back to where I could select the individual packages I need, but that didn't work, it just wanted to go through another install. Thought there was a way to select individual packages and add them to the installation.

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