Ubuntu Networking :: Force Boot Users Off Router?

Jun 27, 2011

How can I boot someone off of my router without having to use the admin settings/screens on the router ip?

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Ubuntu :: Force Log Off Other Users?

May 12, 2010

I'm looking for a simply way to Force log off other users who may be logged into the OS. Windows has a simple way to go into users and force log off other users. All I have found in Ubuntu is terminal methods. Are their no GUI tools to accomplish this?

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Ubuntu Servers :: "force" Users To Save To A File Server?

Apr 18, 2011

If there are users in a network who have desktop Linux (any variety), is there a way to configure their computers to "require" them to save documents to the network? Like for example, redirecting their /Home folders to a network file server or not allowing them to save files to their local hard drives?

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Ubuntu Servers :: Sftp On Vsftpd - Make / Force All Users To Use Sftp And Not Just Ftp

Apr 13, 2011

i have a vsftpd server running well but i want to make/force all users to use sftp and not just ftp is this possible?

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Ubuntu Networking :: DLink ADSL Router As Main Router And The Belkin N1 As Repeater?

Apr 13, 2010

Because of the configuration of my house, I need two routers.I have a DLink ADSL router as my main router and the Belkin N1 as my repeater.I have set up the IP address in the Belkin to be 10.1.1.10 - my DLink is 10.1.1.1. I have disable the dhcp in the Belkin and set the DNS as ISP provided. [URL]..I have set the channel to 11 and in the Ubuntu Network Manger I have set the IPV4 to Link Local Only. I can see the Belkin and connect with my PC.but it will not take me through to the internet.

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General :: Application On Server To Allow Network Boot Of Windows Pc's Force Boot Img Load

Apr 6, 2011

A colleague of mine was studying at the University of Vienna and saw an application which was based on linux whereby other pc's booted from it and if on the server they had set it to force a clean install on that PC it would download and install a windows image. Does anyone know of the app or could point me in the direction of a similar app.

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Networking :: Setting Up Linux Box As IPv6 Router To Replace Netgear WNR1000 Wireless Router?

Jun 18, 2011

I want to set up a Linux box as a wireless router to replace our existing Netgear WNR1000 router, as I believe the Netgear does not support the coming IPv6 protocol. Unfortunately, it is not flashable with OpenWRT or DD-WRT presently.

As we have Comcast, our cable modem acts as a dumb modem according to the customer support guy I talked to, and our router is the one that asks for the IP address from DHCP. Thus, when Comcast switches over to IPv6, I don't believe my existing router would work, correct?

My idea is to take a Linux box and put two NICs and a wireless adapter in it, using IPCop or Smoothwall to set up a router. I could then enable IPv6 support for when we have IPv6 with Comcast. Is that possible? Would there be a way to get BIND to hand out private IP addresses in the same subnet on the both the LAN NIC and the wireless card?

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Networking :: Set Up A Laptop As A Router To Connect Wirelessly To ADSL Router?

Nov 6, 2009

I have a desktop PC running Ubuntu 9.10 and Windows 7, and a Eee PC 701 laptop running EasyPeasy Ubuntu 9.04. I'd like to connect the desktop to the laptop with a wired connection (eth0), then the laptop to my ADSL router using wireless (ath0).

I have a crossover ethernet cable (I bought on ebay). I have set up my laptop with a static IP address on my LAN and it uses OpenDNS.

I have added this to /etc/sysctl.conf on the laptop:

net.ipv4.ip_forward=1

Then I tried this on the laptop:

sudo iptables --table nat --append POSTROUTING --out-interface ath0 -j MASQUERADE
sudo iptables --append FORWARD --in-interface eth0 -j ACCEPT

This is a variation on what I found on other sites describing how to set up a router. I don't understand iptables very well, but I gather that the above two lines should set up forwarding so that traffic from my router to the laptop will be forwarded to the desktop, and vice versa.

But this doesn't work. The connection doesn't even establish between the laptop and the desktop.

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Networking :: Network Setup - Router - Wireless Router Card ?

Apr 24, 2010

I'm having trouble getting my network set up the way that I want it/had it. You see, when I first set up my network, I just had my cable modem going directly to my standard wired router (A D-Link DI-604), which had DHCP,and was connected to all of the computers on my network. I had one switch hooked up to one of the ports of the router, but this was a regular switch, and it would not try to assign IP addresses, it would just pass through the DHCP info as I wanted.

Now however, my network setup has changed. My room mate and I both got laptops, and we decided that we wanted to have wireless access so we didn't have to constantly plug in to the router.

Now my network is set up like this: The modem is hooked up to the router(DI-604), which is hooked up on the LAN side to our computers, our switch (which is hooked up to 3 more computers), and to a wireless router card (A Gigabyte GN-BC01).

The wireless router card has two jacks for ethernet. One for WAN, and one for LAN. The LAN side we have plugged only into the computer in which the card is installed.

Now the problem is this: The wireless router card comes with DHCP by default, and it's assigning addresses to the laptops and to the computer hat it's in, and worse, the IP addresses are on a different subnet than that of the main dlink router. The Main (dlink) router assigns addresses from 192.168.0.1 (itself) to 192.168.0.254, while the wireless router card assigns addresses from 192.168.1.1 to 192.168.1.254 (itself).

Because of this, I cannot access services on the wireless network from my wired network or vice versa. The first thing I tried was setting the card to assign addresses from 192.168.0.12 to 192.168.0.253, however it just said "internal error" when I tried to do this. I decided that this may be because it sees that it was being assigned an address on it's WAN side on the same subnet. So the next thing I tried was disabling DHCP and setting the "LAN IP Address" to 192.168.0.12, hoping that the DHCP would just go through the card, like a switch. I would have set the LAN IP address to be assigned by DHCP, but this was not an option, so I decided that'd be the best thing to set it to.

Once again however, setting the LAN ip address to an address on the same subnet as that of the IP assigned to it's WAN side caused it to report an "internal error". I verified that this was the issue by setting the LAN address to several other private IP addresses to test (I.E. 10.0.0.1, 192.168.3.1, 192.168.5.12).

My question then really is: How do I set up both routers so that I can access services and computers from each network from the other network. Should I set them with different subnets and set the gateway on the wireless network to the main router? To the wireless router card? Should I put them on the same subnet? Will it know how to communicate?

Here is a link to (picture) my network diagram. Network Diagram

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Networking :: Linux As A Router / Bring 147 & 148 IP Online Without Router?

Mar 26, 2009

These r IP provided by my ISP that i've put on Fedora 8:

WAN IP:xxx.xxx.xxx.17 (eth0)
Subnet:255.255.255.252
Gateway:xxx.xxx.xxx.18

Valid static(public) IP set of 2:
IP:xxx.xxx.xxx.147 & 148 (eth1, eth2)
Subnet:255.255.255.240

i want to run xxx.xxx.xxx.147 as a web server & xxx.xxx.xxx.148 as a ftp server. but I'm able to ping only xxx.xxx.xxx.17(WAN IP) from outside world. Can any1 tell me that how can i bring my 147 & 148 IP online without router.

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Ubuntu Networking :: DHCP Only For Authenticated Users(AD Users)?

Apr 4, 2011

i have a Domain Cotroller installed on Windows & DHCP Server installed on Ubuntu. i want to give access only authenticated Users(Active Directory Users) can get IP from DHCP. No one else canis there any option available here in DHCP ???

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Ubuntu :: How To Force Into Low Graphics At Boot

May 2, 2010

Have just moved into my gf's place from a shared accomodation and have taken my mythbuntu (8.04) box with me. Have plugged it into her Sony tv and initially it looks promising, bios screen shows and so does the mythbuntu splash. But after that the tv just sits there with a message saying "out of range". Anyone got any ideas how I can force it into a low graphics mode or similar so at the very least I can access the desktop.

Oh and to make things worse my gf has no Internet access (writing this on my phone) and I don't have a livecd to hand

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Fedora Networking :: Mapping Windows Users On Unix Users

Sep 29, 2010

Samba up and running on my pc. pc runs FC12 with kde. A laptop has win vista. The pc can access the shares on the laptop but the laptop has authentication issues to access the pc. Note that windows doesnt enforce authentication forincoming network connections.Using the system-config-samba util i tried to map a windows user to the unix user "feduser". The laptop (named LAPPY) has a user (lapuser) which has on windows no password.What should I tell samba config what the windows username should be? lapuser or LAPPYlapuser doesnt work because when accessing the pc via the laptop, the authentication fails. The only auth that is successful is when choosing the same winusername as the unix username.

Secondary, id like to setup the laptop so that the user doesnt have to provide a name and password, or at least not more then once in the lifetime of the laptop. Note that you cant provide an empty password to system-config-samba. How is that possible?

Strange but not really on issue imho:the samba - KDE control module(kcmshall4) (and the smb.conf) shows 2 shares: the homedirs and the data dir the samba server configurator (system-config-samba) shows only the datadir.

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Ubuntu Installation :: Force Boot After Improper Shutdown?

Mar 12, 2010

I've installed xUbuntu on a machine I will be using as a file server. Everything is fine except one thing. If the server suffers an improper shutdown such as a loss of power the next time the machine boots it gets to the GRUB2 boot menu and then waits for a keyboard input.As this machine runs headless with nothing connected other than a network cable and power lead and is tucked away under the stairs it's quite an inconvienience to go to the machine and plug in a keyboard so I can press enter.Is there some way I could force the machine to boot as normal without stopping at the menu ?

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Networking :: Old Router Behind New Router - Configuration ?

Oct 30, 2010

I've moved a linuxbox from being my gateway (nat, etc) to behind a new gateway (a DD-wrt router). For transparency purposes, I'd like to continue using the old box services, and just have the gateway in front of it.

Here's what I did:

The newgateway is setup for class C, 192.168.0.0

This configuration works, but sometimes it doesn't and I haven't figured out why yet.

At sometimes, clients on the LAN get throughput rates with very little speed loss (using speakeasy speed test). They will run at 33M on the LAN, running through both the newgateway, and the oldbox, and get about 35M with directly connected to the cable modem.

Other times, it seems nothing can talk with anyone, and I am not sure why.

I know what I have done is a little unconventional, but it's a transitional thing, and I am not sure it is the cause of the problem, although it was the last things changed.

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Ubuntu :: Force Monitor To Stay Off Untill Boot Is Complete

Mar 18, 2011

This may be a strange request.

I would like to have the monitor say off during boot up until my everything loads including my firefox browser. This it turns on.

Is there a way to achieve this?

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Ubuntu :: Install - BOOT Into Windows On A Dual Boot Computer - Damn Wireless Router To Recognize?

Jan 6, 2011

it started with rooting my Motorola Droid. I got quite interested in the whole rooting/linux "world". The only problem is, my hands move A LOT faster than my brain does. I'm an "educated novice" at best when it comes to all of this and still learning slowly, but surely. I followed an online tutorial and before I realized quite what i'd done, I had dual installed Ubuntu linux 10.10 on my laptop. ISO'd this, partitioned that and realized....i'm in way over my head. Then I started researching how to just go back in time and get my "safe" windows vista back until I'm ready to make the switch to linux and just ended up getting more confused.

How do I actually BOOT into Windows on a dual boot computer that I apparently just created? How, if need be, do I undo everything I just did in the past few hours and careless tinkering? If I decide to stay with Linux, how do I get my damn wireless router to recognize?

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Hardware :: Boot From USB Drive - Force Device As Sda

May 9, 2011

I have system (Ubuntu 10.10) on my pendrive. I want to use this system always from this pen - by boot on startup.

If I remove all of my hard disk from laptop and boot from pendrive - everything is ok, but when i try boot from pen when hard disks are plugged - its not working - because linuks want pass to sda2 partition, and this partition is already assign to wrong disk (should be in pendrive).

I have crypt(luks) and lvm on this pen.

I just want to make sure that my pendrive will be always shown as "sda" - how i can do this? I think it will probably fix my problem.

How to disable mount other disk - mount only this pendrive.

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Ubuntu :: 11.04 Won't Boot / Can I Force X To Start In Vesa Mode Using Grub Commands

Jun 12, 2011

I'm trying to run ubuntu 11.04 (64-bit) on my hp pavilion tx2100ed but it won't boot. After the grub bootscreen it goes black and doesn't react to Ctrl-Alt F1 ..F4.
Also booting the recovery mode doesn't work
To be able to start the installer I had to use xforcevesa.
Does any one know what this can be and how to solve it?

can i force x to start in vesa mode using grub commands?

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Ubuntu Networking :: Use One Wireless Router To Connect/detect To Another Wireless Router?

Aug 1, 2010

My son lost his USB Wireless stick for his Computer. I had thought I heard that if you had a second wireless router, you could use it somehow to detect the wireless router you have already set up in your home (like using a wireless card)? Is this what Ad-Hoc is? Either way, can this be done and if so how? I use a WRT54Gx2 Lynksys router and have a TRENDNET TEW-432BRP wireless router and also a spare D-link DI-514. I use ubuntu 10.04, and also wanted to know if I connected one of the router to his on the LAn port could he connect msaybe through an Ad-Hoc on my local computer here? He uses XP on his. I'm a newbie to linux and networking in general.

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Software :: Clonezilla - Force Restore Of Boot Loader?

Sep 29, 2010

I'm having a problem figuring out how to clone and restore partitions from images on a test host, ie. I have different Linux and Windows images in sda2 that I need to restore on sda1 to run tests.

Here's a typical scenario:
1. On a brand new hard-disk, create two partitions, one to hold the OS to run tests, and a second to hold Clonezilla images
2. Install XP in sda1
3. Boot with Clonezilla Live, and save sda1 into an image in sda2
4. Install Linux: It installs GRUB as boot loader in the MBR
5. Save Linux into an image in sda2
6. Restore XP: By default, Clonezilla doesn't restore XP's boot loader, and leaves GRUB to boot XP :-/

How can I force Clonezilla to restore the boot loader in the MBR (while leaving the partition table as-is), so that Linux=GRUB and Windows=NTLDR always?

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Ubuntu Networking :: How To Force 802.11b Or 802.11g

May 11, 2010

I want to know how to know wich mode my wireless device uses and how to force specific one.

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General :: Way Can Force To Boot Into Console Mode Before It Starts Xserver?

Oct 13, 2010

During startup (suse linux old distro) LILO immediately after stratup procedure I can see login for about 1 sec and then Xserver starts. I'm unable to kill it with Ctrl+Alt+Backspace or Ctrl+F1..So the question is: is there any way I can force linux to boot into console mode before it starts xserver? (I'm unable to modify any files since I cannot reach the consol mode)?Is there any shortcut ky I need to press during boot in order to prevent GUI from starting?

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Networking :: Linux Router / Configure Linux CentOS 5 As A Router Using Iptable?

Nov 27, 2009

I want to configure linux CentOS 5 as a router using iptable, .Im new in linux so I need the steps to do that

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Networking :: Cannot Ping Wireless Router Or Access Router Settings - Wireless ?

Jun 9, 2010

I moved my server and network equipment, and now the wireless works but I cannot get my server online. I host a website, so this is kind of urgent.

I have a wireless router and can access the internet fine on my laptop. My server is wired & connected to the router. It sets up the networking properly.. ifconfig has an ip address, the default gateway is present. But I cannot ping google, or even the router. It says destination host unreachable.

So I go back to the laptop to check the router settings.. sometimes it likes to assign the server the wrong internal ip. But, I can't access the router settings either! The page (192.168.1.1) times out. Same with trying to ping the router. How can the laptop be online if it can't reach the router?

Oddly, ifconfig on my laptop reports an ip address starting with 99.233. It's always given me an internal address starting with 192.168. What's going on here? Is the router not allocating an internal ip? I use wicd to connect, if it's relevant.

We have a windows laptop that can only get a "local connection". Now it does sound like the router is forwarding directly to my laptop, instead of allocating internal ips.

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Red Hat / Fedora :: Force Virtual Machine To Boot Up Into Single User Mode?

Mar 8, 2011

I have few virtual machines running on one of xen servers & I'm experiencing a problem booting up one of clients "domain".

How can I force this machine to boot up to runlevel 1? I can't see grub menu when first booting it up!

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Ubuntu Networking :: Force Chromium To Use IPv6 When Possible

Apr 9, 2011

IPv6.google. site works, I use Teredo or something. Is there anyway to force Chromium to use always IPv6 on hosts that support it, such as xkcd?

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Networking :: Way To Force VPN Connection

May 29, 2010

is there a way to force a VPN connection so that non-encrypted traffic is blocked. the aim is to set up a box that will use only VPN connections and block any traffic that is not connected.

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Networking :: Force An Isp To Change IP?

Jan 16, 2011

There has to be a way to force your isp to give you a new IP without physically unplugging the adsl/cable or physically powering off the router.

Under what circumstances does the isp assign a new ip? Any software tricks to do this? Stressing there is an adsl router between my linux workstation and the isp, and nat going on. Ie there is a local IP internally.

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Ubuntu Networking :: 10.04 Server Force Duplex Setting?

May 11, 2011

Looking to force eth0 & eth1 to 100MB Full Duplex/Auto Negotiation off but am having trouble.

When I run: "ethtool -s eth1 speed 100 duplex full autoneg off" manually, it works fine. However when I add it to the intefaces file it does not after several different configuration attempts:

/etc/network/interfaces:

# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
#auto eth1
#iface eth1 inet dhcp

[Code].....

it seems my current configuration wont allow both eth0 and eth1 to be active at the same time. I would like them to be active-active if possible (if one goes down the other will service all traffice and vise versa).

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