Ubuntu Networking :: Command Line Control Of Network Settings
Mar 10, 2010
I frequently ssh into machines to do work. In some cases, the machine is headless so there is no option to log in.Under Debian and on older versions of Ubuntu I would pull out the avahi and network-manager packages and manually configure the interfaces file to my liking and be done with it.However, I would now like to learn how to work within avahi/network manager. So, is there a doc somewhere explaining how to work with modern Ubuntu networking at the command-line level? Ie: Setting up a wireless connection, setting static/dynamic IPs, etc?
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Nov 2, 2009
Next week we will get a new Server for rent with a preinstalled Debian. If we download the Networkinstaller and put it in Grub, it is possible to set some settings with a script or commandline? We need SSH and the Network haves to run. So we have to set up the Networkadress , Gateway and Netmasq. So if the Networkinstaller is booting that we get direcly access with SSH to install CentOS. It is possible?
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Jan 31, 2010
Did you play too much with compiz and after-a-while you realize that certain functions are not working anymore?
Well, just follow the steps below:
Quote:
gconftool-2 --recursive-unset /apps/compiz
Then,
Quote:
Restart your PC / lappy
[URL]
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Jan 3, 2010
Everything is plain and simple. I want to know what's the least painful way to control vlc from local command line while having GUI as well?
I would like to e.g. use something like "vlc --pause" in one of my bash scripts to pause music if something hapens. So rc interface is useless, is it not?
not making a thorough search on this as the irrelevance of results is beneath me... Well actually I have made it but it was a while ago and to no avail since the new vlc shipped with karmic got rid of the old http interface which allowed to do this just by using wget on an url....
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Mar 6, 2011
I'm running Ubuntu 10.04 LTS, Lucid Lynx and I'm having problems implementing changes to interfaces.I have made changes to my interfaces via the GUI but when I open a terminal window and so a ifconfig I find that nothing has changed. I've opened an editor and looked at etc/network/interfaces but changes made with the GUI never make it to the config file.Does the networking GUI result in changes to the etc/network/interfaces file.
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May 17, 2010
Is it possible to control the mouse position from the command line? I want to centre the pointer in the middle of the screen
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Mar 20, 2011
I have forgotten how to turn the display on/off via command-line on an imac g3.how this can be done?(Google brings up lots of results which use "xset dpms ..", but this does not really apply to me since I don't usually run X).
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Jul 23, 2010
I use F13. How can I control the volume of my desktop ssh'ing into it from my laptop?
I use the laptop like a remote control to control my desktop through vnc while watching movies, but changing volume through this setup is a bit too cumbersome and clumsy. I tried alsamixer but it behaves strangely and doesn't change volume.
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Jul 10, 2009
I am fairly familiar with Linux but had never ventured into Wlan settings / options / too much. I have compatible card (aetheros) and when running - iwlist wlan0 scanning - I get plenty networks showing up - meaning the card works. When I installed distro which is last night (before I ran update), I had that little bars menu at the top of the screen that showed available networks once clicked upon. Since I like to modify and make my settings better - I removed that little AT&T like bar, and now rebooted after update to find that I can not see available networks unless I use iwliset wlan0 scanning.... .#$*&)@&#(&%# - need I say more.
Two questions - how do you connect to the wireless network via command line? What is that vertical bars GUI tool called so I can find it and run it again? Is there (for the love of god) alternative to system-config-network GUI managment tool for wlan?
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Aug 17, 2009
I'm tryn' to connect to my wireless network using command line:iwconfig wlan0 essid MY_NETWORK as root.
After this typingiwconfig wlan0
result is:
wlan0 IEEE 802.11g ESSID:off/any
Mode:Managed Frequency:2.437 GHz Access Point: Not-Associated
Bit Rate:1 Mb/s
[Code]....
I installed ndiswrapper in order to use ipn2200 WinXp drivers.
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Jan 8, 2010
I am trying to do a command line installation.Finished the installation and my wireless card wasnt working.Did a "sudo ifconfig wlan0 up" and got it working.But for some reason wireless-tools is not installed thus I dont have iwconfig, iwlist, etc.The wireless works and connects fine off a liveUSB.So I am going to give info from this liveUSB run and maybe someone can suggest how I can set the right settings on the Command Line Installation I presume in the etc/network/interfaces.
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Jan 22, 2011
I just recently installed ubuntu server. I want to be able to install packages and such but can't until I connect to Internet. I tried wifi but couldn't figure out how (I'm a n00b) but now I have ethernet and can't figure out how to make it work. So my question is, how do I connect to my Ethernet with ubuntu server, I could if I had graphical, but I can't get that until I have Internet. I didn't configure network during install, so how do I do it now?
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Jan 7, 2010
I just added a 2 port network card to a system that is running Fedora 11, but it is INACTIVE. I open the Network Device Control to activate it but there is no network ports in Network Device Control. It is empty.It looks like the system recognize the card and loaded correct driver.
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Nov 29, 2010
I set up Samba using command line terminal, and my network does not work. I have Samba username and keyring passwords all set, then I go to gui system-config-samba, and my samba user profile password is incorrect. In the past, I have used a 10 letter password, however, every time I boot the computer, I have to go back in and re-enter the password.I wonder if samba is truncating the password because it only accepts an 8 character password? I have deleted the user, and added a new username, and it is still doing it.
If I go into the gui and re-enter the password, usually I can get the network back up with my windows machine. All of the parameters are correct, I use the network to transfer files from my Windows to my Fedora drive all of the time when it works.
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Feb 23, 2010
I'm sure this is a very simple task but I don't have a lot of experience with Linux. I need to view what my display adapters settings are, specifically the refresh rate. I have found plenty on how to change the settings but not how show its current setup. I am troubleshooting an vga splitter/extender issue on a digital signage unit where the master screen syncs up but the remote screen does not, I think it has to do with H-Sync V-Sync or refresh rate.
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Feb 27, 2011
I have a CentOS 5.5 server running currently with a Netgear gigabit ethernet card and for wifi I have a wi-fi card with the chipset: RT2860.Now I have gotten the ethernet card and wi-fi card working but my main question is: How do you bridge the connection between the ethernet card and the wi-fi card to create a wireless network with a hidden ESSID if possible and WPA encryption? (So the server basically acts as a wireless router as well as doing all the other stuff I need to do on it).
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Feb 28, 2011
I'm trying to install Ubuntu Desktop 10.10 on an Intel Atom mainboard (Intel D945GCLF2) with CRT that has been running Ubuntu 9.x previously.
Both, Desktop live CD / installer and alternate install CD cause the screen to go black (and the status LED blinks).
I was able to get a bit further into the boot process with nomodeset as parameter with the Live CD, unfortunately I can't pass GRUB any parameters now that I have used the alternate Install CD by pressing 'e', it just boots.
So now I have Ubuntu installed, I get a terminal with CTRL-ALT-F1 but I don't know what I need to do now or how to adjust resolution or video settings from command line.
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Aug 18, 2010
I cannot connect to the internet on the command line. Things like firefox or chrome browser work fine. But on the command line programs like 'links' fail to work. This is on a machine behind a proxy, I have the http_proxy and https_proxy environment variables set properly.
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May 14, 2009
For some reason Ubuntu 8.04 doesn't save my college network settings, so I have to connect manually each time. This is what I physically have to do to connect:
1) Click on network manager icon in the notification area
2) Click "connect to other wireless network"
3) Type in "NETWORK_NAME" into network name area field
4) Select WPA enterprise under wireless security
5) Type in "USERNAME" into username field
6) Type in "PASSWORD" into password field
So what I would like to know: is there any command line equivalent for the above six steps? I would like to write a script which will carry out the above six steps for me automatically, using the parameters NETWORK_NAME, USERNAME and PASSWORD.
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Aug 24, 2010
I need to add a network path to a configuration file, but I can't figure out how to write the path.
The command dir \computernamesharename works in a Windows command line.
ls //computername/sharename/ does not work under Linux. ("No such file or directory.") ls smb://computername/sharename/ does not work either.
Nautilus shows the location as smb://computername/sharename/, and I can read and write in the shared directory, so it's mounted and I have access.
So how do I get it to work? How do I specify the path so a command line will recognize it?
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Mar 23, 2011
I hosed my installation of F14 by installing from some "experimental" repositories. Now I only get XDM at startup and an xterm on login. This would be fine if I could use yum to do some updates, but I have no network connection. I have been over the man page for nmcli dozens of times and none of the options there seems to start anything. I have also tried starting dhclient or using:
ifconfig eth0 up Nothing. So, is there a reliable way I can just connect to the network? This shouldn't be so hard.
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May 29, 2010
i've gotten my fedora 12 to the point where i can run python3 scripts from command line and can call up python 2.6.2 idle with the command 'idle' from command line. what command will call up python3 (3.1.2 to be exact) idle?
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Nov 4, 2009
I run Ubuntu, and it has a nice GUI widget thing that connects me to my home wireless network when I boot. I don't have a problem with that. But suppose I don't start X, and boot to a recovery console for some reason, like I did recently when my graphics were broken after installing Karmic. In that case, my computer won't be connected to the wireless network until I log into X normally. So I can't apt-get anything or anything. It's very annoying. And I don't know how to connect to my wireless network.
I know my wireless network SSID, and I know my WEP key or WPA passphrase. How can I log onto the network with commandline tools? Is there some basic program that I can just run "networkmanager <myssid> <mywepkey>"? I looked at the iwconfig man page and I honestly couldn't figure out how to simply connect to my network. Once I figure out how to connect to the network with command-line tools, where can I put an "autoconnect" script so that it will connect during startup, like it should anyway?
What I don't understand is, why the Ubuntu network manager nm-applet, doesn't just work as a front-end for more basic networking stuff. I don't see any reason why it should require you to start X before working; it could be a daemon that runs at startup, and there could be a config-file somewhere, but it doesn't even start running until I log onto gnome.
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Apr 25, 2011
I would like to manage the firewall from the command line or with files VIA puppet, however this peice of software seems pretty complicated compared to the other distributions and generic iptables commands / configurations we push out.
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Apr 18, 2010
I'm trying to connect to a wifi network where it hijacks all requests and redirects you to a page where you have to agree to a terms of use before it lets you connect to the actual outside world. This is a pretty common practice, and usually doesn't pose much of a problem. However, I've got a computer running Ubuntu 9.10 server with no windowing system. How can I use the command line to agree to the terms of use? I don't have internet access on the computer to download packages via apt-get or anything like that. Sure, I can think of any number of workarounds, but I suspect there's an easy way to use wget or curl or something.
Basically, I need a command line solution for sending an HTTP POST request essentially clicking on a button. For future reference, it'd be helpful to know how to send a POST request with, say, a username and password if I ever find myself in that situation in another hotel or airport.
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Mar 14, 2011
I'm thrilled using wicd to connect to wireless networks. But when I suspend my laptop using the special keys, I just want to disconnect from wireless without having to use any kind of GUI or curses user interface. It says in the documentation that wicd works by sending DBUS messages, so presumably it's possible to write a command that talks to the daemon directly.But I can't figure out how.Does anybody know by means of what shell command I can tell the wicd daemon to disconnect me from my wireless network?
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Jul 2, 2010
I want to implement rate control over network interface. So I have configured Linux PC as a router with netem installed and having two interface cards.
device1----> Linux router with netem ---> device2
device1 connects to eth0 and device2 connects to eth1 of the Linux router. eth0 is configured to connect to the internet and eth1 has a static IP address on a local network. I want to limit bandwidth on devices connected to eth0.So I applied the below rules using tc and tbf.
tc qdisc add dev eth0 root handle 1: prio
tc qdisc add dev eth0 parent 1:3 handle 30: netem
tc qdisc add dev eth0 parent 30:1 tbf rate 256kbit buffer 1600 limit 3000
Will the above work or should I use htb instead. I want to simulate the network conditions using different bandwidths.
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Apr 7, 2010
I'm using linux suse 9.3. Recently i try to run execution files but it shows an error try running with the option "-console" or "-silent" When I tried with the -console option, I got the error - The wizard cannot continue because of the following error: Invalid command line option: console is not supported (1001) (403)
[Code]...
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Sep 23, 2010
The university I go to uses a WPA2 wireless network that requires a netID and password to connect too. I installed wicd but I can't seem to connect to this network, is there a way to add this functionality to wicd, and if so, how do I do that (links to a how-to or guide would be nice, I've yet to find one).
Also, I spend most of my time on campus in the command line, so I'd like to know if there is a way to use command line utilities to connect to this network (again, a guide or how-to would be nice)
I can get online through my fedora live USB just fine (w/ network manager) but I'd rather get on directly from slackware.
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Dec 5, 2010
I'm running Ubuntu 10.04 and all was well on my home network until a household member decided to get a laptop and jump on my network. All he does is watch videos on ....., download crap from P2P sites, and maybe even watch p0rn. Is there something I can use to control this or maybe set my router to give him the minimum resources available? Also, I want to block him from downloading junk from P2P sites or places he might get a virus. I'm on a D-Link DGL 4500 Router.
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