Ubuntu Networking :: Ad-hoc Network Doesn't Survive A Reboot / Avoid Having To Bring Down And Up Interface?
Mar 1, 2011
I'm configuring an HP Mini 110 (wireless BCM4313) to use it as a small Access Point (ad-hoc mode).
I want to make my configuration reboot friendly. With what I have right now, as soon as I reboot the laptop, the wireless interface configuration isn't correctly setup. I have to do "ifdown eth1; ifup eth1" manually.
Here is what I have in /etc/network/interfaces for the wireless interface code...
So the question is how can I avoid having to bring down and up the interface?
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Aug 18, 2011
I have successfully managed to connect a Razer Orochi bluetooth mouse with no issues. This also connects automatically when i start up the machine.
I also have a Logitech MX5000 keyboard that i can connect but it never survives the reboot. I have to manually connect it each time.
The only difference i can see between the two is the keyboard asks for a passkey whereas the mouse doesnt.
Ubuntu 11.04 32bit.
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Nov 24, 2010
I have installed ubuntu server 10.04 amd64. The problem is every time I login, there is no internet connection and I have to manually run "sudo ifconfig eth3 up". (eth3 has the cable). What should I do to automate that?
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Jul 3, 2010
I have two simultaneous active mobile connections through my two mobile phones and USB data cables. Yet I can only send/receive with one connection.Each of the phone modems have a node in /dev, namely ttyACM0 and ttyACM0. So the modems are detected correctly.After setting up two dial-up connections with the two modems I have two ip's. Ifconfig-a confirms this:
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.10.219.60 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
[code]....
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May 19, 2010
This is a new 9.10 installation. Screen resolution by default is 800x600. I've installed the 1.85 nvidia driver, which correctly identifies my monitor as a Samsung 931b (or whatever). Nvidia's gui suggests a 1280x1024, which is just what I want. When I try to save the changes to xorg.conf, I get a variety of errors, including (but not limited to) "...error parsing xorg.conf..". I've chmod 'ed the X11 directory, and the xorg.conf* files in it to 777, I end up with 1280x1024 until a reboot, after which I get 800x600 again (arrgg!).
Judging from the number of people posting here and in other places, this is common. Seems there would be a solution that works. Any suggestions?
Here is the current content of my xorg.conf file:
ebaxter@ebaxter-desktop:/etc/X11$ cat xorg.conf
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@palmer) Sun Feb 1 20:21:04 UTC 2009
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder63) Fri Aug 14 17:54:58 PDT 2009
[Code]....
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May 9, 2010
If I reboot my machine, the interface is down. How do I set the interface so it will start after I rebooted the machine?How do I do it in Debian?
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Jun 22, 2010
I installed CentOS 5.5. After install, I decided to put 3 identical disk for raid 5. All the disks are IDE disk. Then I put a sata disk and partitioned it to add another partition to the raid 5 array. Everything works fine until I rebooted my system. After reboot, the sata partition I added into raid 5 is showing removed. I had to readd it using "mdadm --add" to make raid 5 array works.
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Dec 23, 2010
Network manager doesn't recognize nas0 interface and i have problems with using Gwibber, Evolution mail,Empathy, etc Is there any way to add nas0 in Network manager?? I know the solution to remove Network manager, but i need Network manager because i'm often using wireless (as second internet connection).
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Oct 21, 2010
store the dns cache over the reboot in linux(which should not flush the dns cache on reboot).
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Aug 22, 2010
I am trying to follow the info on Getting IPTables to survive a reboot. Everything works until I reboot but the script does not run when linux starts. The article says to create a script so ifupdown loads these rules on boot:
Code:
echo "#!/bin/sh" > /etc/network/if-up.d/iptables
echo "iptables-restore < /etc/firewall.conf" >> /etc/network/if-up.d/iptables
chmod +x /etc/network/if-up.d/iptables it put what I think is a symlink in if-upd but iptables still does not survive reboot.
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Jul 18, 2011
I have a ppp0 entry with post-up options like this
mapping ppp0
map none photon-plus motorola
map timeout: 12
[code]...
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Mar 14, 2010
I run an Ubuntu Server in a Virtualbox environment. Setup works fine. In virtualbox, I accidentally hit a button that generates and assigns a new mac address for the network adapter. Since then the machine does not bring eth0 up. I tried the following ifconfig eth0 down; ifconfig eth0 hw ether macaddress; ifconfig eth0 up. Then restarted networking.
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Jun 23, 2009
If I restart the network service, not all interfaces come back up. Is this expected behaviour or does something need a kick?
Code:
[root@@aspire3500 ~]$ service network restart
Shutting down interface eth0: [ OK ]
Shutting down interface wlan0: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
[root@@aspire3500 ~]$
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May 17, 2011
on a Vimeo video in Firefox, and my computer became "partially frozen". The video stopped, but the audio continued to play to the end, but I couldn't clear the video. I pressed ctrl-f2 to switch to my other desktop, but it just brought up a blank screen, and switching back makes no difference.As it stands I have a black screen with my mouse cursor on it (I can move the cursor, yes). I'm new to linux, and I want to know if there are any keyboard shortcuts I could try to fix this. I'd rather not hard reboot whenever I run into a problem, I just don't know the terms to google for
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Apr 21, 2009
running fc10 in a vmware setup Added /etc/sysconfig/network-scripts/ifcfg-eth0:0 to create another interface and all works fine (IPADDR=10.99.56.98). Would you expect this to be available after a reboot, last reboot I had to run ifup eth0:0
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Jul 1, 2009
I am applying a virtual interface (eth0:0) which is failing after the system reboots. It actually cause the default interface (eth0) to fail as well, I must manually go in and remove the configuration for the eth:0:0 and restart the network to get it running again. How do I successfully add a Virtual interface to Fedora 11 that will stick when rebooted.
eth0: 192.168.0.200, 255.255.255.0, 192.168.0.1, BROADCAST: 192.168.99.255
eth0:0 192.168.0.98, 255.255.255.0, 192.168.0.1, BROADCAST: 192.168.99.255
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Nov 19, 2010
I have installed Fedora 14 about 4 days ago. I have set all the networking parameters like dns path, hostname etc. I have also ensured that I select the check-box for "Enable automatically when system starts" for eth0 interface. But weirdly, whenever I boot my system(or restart), I see that the interface eth0 is disabled. I have to manually enter as root and enable it, each time I boot/reboot my system. Why is this happening? Could you please suggest a way so that I have eth0 interface enabled always when I boot up?Also, my domainname also is not boot-persistent. What steps should I take to ensure that the domainname set once persists across reboots?
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Oct 21, 2010
idea to store the dns cache over the reboot in linux(which should not flush the dns cache on reboot).
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Feb 4, 2010
I have gotten my touchpad and wireless working after a day of research and help on this forum. The bad news is that I need to enter these commands every time I boot up. I know there is a way to load these commands into the startup. But I am not quite sure where to put them.
# modprobe lib80211
# cd hybrid_wl
# insmod wl.ko
# ifconfig eth1 up
# synclient tapbutton1=1
# synclient tapbutton2=1
# synclient tapbutton3=1
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Aug 11, 2011
I have installed open suse 11.4, gnome but no luck with wireless settings so far. kernel version is iwl3945 here is stuff that i did but it says "scan is deprecated"
linux-1f6k:/home/rajbanul # dmesg | grep firmware
[ 7.249018] tg3 0000:18:00.0: vpd r/w failed. This is likely a firmware bug on this device. Contact the card vendor for a firmware update.
[code].....
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Jan 24, 2010
I have a laptop running 11.2 with an internal Broadcom-based Wi-Fi card that's working fine. I'm trying to get 802.11n going with the WUSB600N. The USB ID on this device is 1737:0079. I believe this means it's a "V2" with an RT3572 chip.
No driver loads for this device when it's plugged in. If I do a "modprobe rt2870sta", a driver loads, and syslog shows "rtusb init" and "usbcore: registered new interface driver rt2870". But ifconfig -a doesn't show a new network interface. I've also tried building the RT3572 driver from the manufacturer's web site. It builds fine, and modprobe will load it, but I get the same results as the rt2870sta driver.
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Apr 7, 2011
I am totally new to Linux and have just installed ubuntu 10.10. After configuring the network interface via dhcp I started getting these messages that come in so frequently I can't configure anything else.
[87.186415] Stack:
Why I am getting this messages and more importantly how do I get rid of them.
The installation is on a VM on Hyper-V.
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Nov 27, 2010
I have a server with 3 interfaces. Only one of them comes up after boot tho (the one with the cable plugged in). When I start dhclient the others show up in ifconfig... Could it be just cause there is no cable plugged in them? Or then how do i bring them up automatically without having to issue dhclient myself after boot?
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Aug 30, 2010
today I tried to configure a network route to a host for testing my network interface. Code: route add 192.168.1.15 eth0 As I have to eth interfaces and both interface got their IP from DHCP (192.168.1.11 and 192.168.1.12) and are in the same subnet, I shut the other interface down:
Code: ifconfig eth1 down Then I tried to test the interface by doing a ping to 192.168.1.15.
Problem: When I unplug the cable from eth0 (and eth1 is still plugged) the ping still works. Somehow my linux (it's debian) powers up again eth0 and pings over this port.
How can I stop my linux doing this. I just want to have the route added only on the one interface - not the other. Is it maybe some case of a default-gateway?
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Jul 3, 2010
I have two simultaneous active mobile connections through my two mobile phones and USB data cables. Yet I can only send/receive with one connection.
Each of the phone modems have a node in /dev, namely ttyACM0 and ttyACM0. So the modems are detected correctly. After setting up two dial-up connections with the two modems I have two ip's. Ifconfig-a confirms this:
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.10.219.60 P-t-P:10.6.6.6 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:15209 errors:0 dropped:0 overruns:0 frame:0
[Code]....
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Mar 11, 2010
The adapter I purchased (Zonet ZEW2508 ) uses the Ralink 2070 chipset - a fact that originally excited me because Ralink seems to be fairly loving to the Linux community. However, despite my best efforts I can't get the thing to work. Initially I tried following directions to set up the driver you can download from the Ralink website. The directions I found were written February first, and Ralink updated the driver February eighth - so as far as I can tell the directions no longer work. After screwing around trying to figure that out for a while I decided to give ndiswrapper a go.
Initially this seemed promising. I just harvested the drivers from the CD and followed one of the many ndiswrapper directions available - most helpful seemed initially to be the Ndiswrapper Troubleshooting Guide found in this forum, however the solutions offered there didn't work either. When I throw an ndiswrapper -l into the terminal it looks promising at first, it tells me the driver is installed and the device is present, but it just doesn't work. When I try iwconfig, or iwlist scan it tells me "no wireless extensions," and "interface doesn't support scanning" respectively. The only devices even listed are lo, eth0, and pan0. There's no wlan0 or anything of the sort.
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Dec 7, 2010
I was expecting that notify-OSD bubbles behavior to bring the app displaying the notification, when you click on them. But in my case, when the mouse pointer enters the bubble, it fades out a little, and when I click on it, nothing happens.
Is that normal? Why doesn't a click bring the related app to front?
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Dec 7, 2009
I have installed Fedora 12 on my laptop.Installing my Broadcom BCM 4312 wireless drivers works just fine, but after a reboot I have to reinstall them. modprobe wl, modprobe wlan0 etc doesn't work either. I need to reinstall them every time I reboot.
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Mar 29, 2011
I'm having all sorts of problems connecting an access point to my computer, but here is one piece that I hope will get me going, if I can get it solved.My computer has two network interfaces, eth0 and eth1. eth1 connects to the cable modem and thence the world, and works fine. eth0 is supposed to connect to the access point over a private network. Here is the output from route with my IP address blotted out:
Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
[code]...
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Jul 30, 2010
If I have set up 2 network interfaces on a box, if I started sending multicast traffic, it will go out through both interfaces? Or is there a way to control through which interface it will go out?
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