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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Security :: REDHAT Missing Functionality - Force User To Change Password On Login?

Mar 16, 2011

I have now been trying to find an answer for the following for a while and can't seem to get anything.On previous linux distros we had the option available "passwd -e" which allowed us to force the user to change their passwords upon the next login.s functionality however seems to be excluded from latest linux distros (currently using RHEL 5.4)...Does anybody know how the same effect can be achieved and perhaps any idea on why this option was removed as it was great for securing passwords

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General :: Create User Add File With Default Password And Force User To Change It?

Feb 2, 2010

I want to add 50 new users, not on the server yet I want to add them all to group Accounting - with 1 option, not user by user I want to setup a default password for them all, and have it say something like 'You must now change password or no access will be permitted' Any other options I also want to do once, not for each user?

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Ubuntu :: Change File Permission Settings To Force All Documents To Inherit Parent Document Settings?

Aug 21, 2011

i have a computer with 3 users on it, and a folder using samba that everyone on the network has access to. Lets say that, the folder is stored in /etc/sharedfolder. What happens is, when user1 puts a folder in it, then logs off, user 2 attempts to modify it and fails, because permission is set to 755, and they are not in the same group. (even if they were, it should still need to be 775) Anyway, my current solution is, every 5 minutes a crontab changes permission like so: chmod 777 -R /etc/sharedfiles && chown useradmin:superadmin -R /etc/sharedfiles Which works, but seeing as there is getting close to a gig in there, this is a bad solution, as it eats up the computers resources. Solutions that i think might work:

1) create a script that only changes permissions that need be changed.
2) change file permission settings to force all documents to inherit parent document settings

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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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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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Ubuntu Networking :: Force Chromium To Use IPv6 When Possible

Apr 9, 2011 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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Fedora Networking :: Cisco VPN Connection - How To Force Browser

May 9, 2009

Just wanted to ask a small question... I've set up a VPN connection to my university and i installed and configured everything ok, cause I can connect without any problems...

Now that I'm connected I want my browser to run through the VPN tunnel created by the connection so i can access certain sites that are else inaccessible, but how do i force my browser (I'm using firefox atm) to do that?

When I'm on MAC of Windows OS, as soon as i connect with a VPN, all connection run through them. Fedora seems to ignore the VPN connection and just continues to use my home-network to connect to the internet.

So the basic question is: how do i use the VPN connection.

Iuse FC10, kernel, fully updated system

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Fedora Networking :: Unable To Force Static IP Address?

May 1, 2010

I want to force my IP address to my router always allocates me have attached a screen showing my settings.I'm using the broadcom wireless card to connect to the router?Any thoughts, I have tried to change the setting with and without the network manager.

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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:


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


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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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 Networking :: 9.10 - Force Eth1 Eth0 On Specific Hardware?

Mar 4, 2010

I've got a machine running 9.10 with two network interfaces, one being motherboard based (atl1) and the other in a PCI slot (e100). By default at boot the interfaces come up in the wrong order. I'd prefer to have the e100 come up as eth0 instead of eth1. And then have the atl1 come up on eth1 instead of eth0. Both interfaces use static addresses and IP4 routing should be active across them. Where do I configure things to force the specific settings?

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Ubuntu Networking :: Wireless Not Working In-case Of Force Shutdown?

Sep 27, 2010

i'm using Ubuntu in my office. I have to report two issues with network connectivity.1. Wireless doesn't work if come back after suspend/hibernate the computer. The work around I follow is,a. Turnoff the wifi and restart the computer. (It won't shutdown. have to do force using the power button)b. Reinstall the network-manager_0.8-0ubuntu3_amd64.deb and network-manager-gnome_0.8-0ubuntu3_amd64.debc. Restart the computer (Again it won't shutdown. Need force.)d. Now wifi will detect the networks and shutdown works fine hereafter.2. Sometimes the wired gets disconnect frequently (thrice in 2minutes). Physical connectivity is good and working well in Windows.

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Networking :: Force TCP Traffic Out Over Specific Interface / When IP Is Bound To Another Local NIC

Aug 12, 2010

I'm hoping some of the Linux network experts can help me with this problem.

Situation: I have a technology which is a WebLogic JEE application that communicates to an Oracle database. Everything is installed in a single Linux virtual machine running in VirtualBox. Traffic from the JEE application goes via JDBC over TCP to the local running database. What I want to do is test a new database firewall server that wants all traffic destined for the database to flow via another virtual machine running the DB Firewall software.So therefore want I need to do is have DB traffic forced out over one interface only to return on another interface on the same VM listening on a different address.

JEE application running in WebLogic bound to (eth1 a VirtualBox hostonly interface). Makes a request for (eth2 a VirtualBox internal interface) which the database is listening on. Because both IPs are on local interfaces, Linux is going to handle the traffic and not route the 10.x traffic via the 192.x interface.I also have running the database firewall server which has a bridge (br0) between the HostOnly network and the Internal network.Both systems are running Oracle Enterprise Linux R5U4, which is basically the same as RedHat.What I want to do is have the request for forced out via, bridged over the br0 connection and back into and to the database. My networking knowledge is pretty good, but i'm stuck right now on the right way to do this. I'm pretty sure it is possible, I just need clear advice.

Reason for setup: Ideally I would build the system with the database on a separate machine so that I can easily route the traffic. Unfortunately we have many VirtualBox based demonstration systems with both the application and database installed on the same VM and therefore the amount of work to migrate these two dual VMs is going to be significant, also many of these VMs are demonstrated from laptops which have limited resources and creating a new database VM reduces overall performance. If I can create a way to force the traffic in this manner off and back onto the same VM via the other VM bridge, it would be fantastic.

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Ubuntu Networking :: Random Creation Of Networks / Force It To Use Correct One Without Making Another?

Aug 2, 2011

Every time my wifi auto connects it gives me a strange message:

At the same time it makes a new network entry, overlapping the one previous:

It's usually a battle with the wifi and my re enabling the correct setting over and over and over again. Is there a fix for either the mysterious lack of selection in the first message, or a way to force it to use the correct one without making another?

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Ubuntu Networking :: Squid3 - Define A Default Start Web Site That Will Be Opened Force Only One Time

May 20, 2010

I have squid3 proxy and I want to define a default start web site that will be opened force only one time. Is something like it possible?

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Fedora Networking :: Samba Broken / Error 6291, The "force User" Option Is No Longer Working?

Jun 15, 2009

I ran "yum update" on 03-06-2009 and it updated my samba version from


My network shares then became read only!After some digging it turns out my system is not working because of Samba bug 6291, the "force user" option is no longer working.

Ideally I would run another "yum update" and that would fix the problem. Apparently the bug has been fixed in Samba 3.4.0pre2 - when can when we expect that to be released and included when I do a "yum update"?

Alternatively how do I get back to version 3.2.8-0.26.fc10.x86_64 ?

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Ubuntu :: Force Quit Force Quit?

Sep 24, 2010

So I have force quit and the little window is stuck. reads "click on a window to force the application to quit. To cancel press <ESC>" How the heck do I get rid of it? I tried xkill, it does not work.

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Ubuntu Networking :: Force Ubuntu To Connect With Wep

Nov 15, 2010

I have been trying for weeks to connect to my wpa router. I have given up after many attempts and I would like to know if it is possible to make Ubuntu connect with wep even though network-manager recognises it as wpa-psk (I can connect with either to my router)

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Ubuntu Networking :: Change Run Level For Wireless Networking?

Apr 6, 2010

I have a desktop with a printer attached on a wireless link.I have a laptop where I want to print from. The problem is the wireless link comes up only after I log on to the desktop.I would prefer the wireless link (and cups) to be up with out having to log on at the desktop.

How would the run level be changed?

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Ubuntu :: Force App To Run At A Different Res?

Sep 8, 2010

I can do it in Win, just can't get my head around it here.

I need to be able to see *all* of the program running lol, the bottom portion (around 25px i think) is missing.

Programs only options are, 1024x600 (netbooks native WSVGA res), and 800x600.

I need something like 1024x750...

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Networking :: How To Change The DNS

Jan 25, 2010

how to change the DNS in Mandriva Linux.I tried to change it from the fileCode:/etc resolv.confbut the thing is that when I restarted the network after the configuration the DNS was again rolled back to the previous setting.

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Fedora :: Force To Upgrade To 15?

Jun 14, 2011

Why is it that Firefox in Fedora 14 will only display the [URL] website and no others ?!? It used to work. Is this the way to force me to upgrade to Fedora 15?

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Ubuntu :: How To Force A Resolution

Mar 27, 2010

So my monitor (a 19" acer) has a native res of 1440x900, which is not detected in display settings. How do I force the resolution to that?

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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 :: Any Way To Force Set Resolution?

Apr 9, 2011

I am trying to force a resolution (800x600) through xorg.conf. How to do that? The story is the following. I am trying to play a game (theocracy) on my toshiba nb100 (max resolution (1024x600) however the game supports only 800x600 resolution. To play I am using xgame [URL] which has the option to use a separate xorg.conf file to run the game. Even though I created a new xorg.conf1 file which only contains in its "screen" section Modes "800x600" notwithstanding the new screen, with the game is set to 1024x600. How to force 800x600 through the xorg.conf.

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Ubuntu :: Force Cpu To Run At Certain Speed?

Aug 1, 2011

I have a Dell Inspiron 9200 with the Intel Pent M 1.8ghz processor that has speed stepping. For some reason the speed stepping doesn't seem to be there a way for me to force the CPU to run at a higher speed then the current 600mhz...I installed cpufreq but the commands i give it from the cpufreq wiki don't seem to be doing much.

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Security :: Way To Force The DNS Settings

Oct 18, 2009

I am using openDNS on my current Linux box and I was wondering if their is a way to force the DNS settings to stay the same even if ROOT tries to change it (since my dad wants content filtering password protected and I still want my computers root access...)

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Programming :: Force Two Process To Run On The Same CPU?

Jan 11, 2011

I'm programming a software system that consists of multiple processes. It is programmed in C++ under Linux. and they communicate among them using Linux shared memory.

Usually, in software development, is in the final stage when the performance optimization is made. Here I came to a big problem. The software has high performance requirements, but in machines with 4 or 8 CPU cores (usually with more than one CPU), it was only able to use 3 cores, thus wasting 25% of the CPU power in the first ones, and more than 60% in the second ones. After many, many research, and having discarded mutex and lock contention, I found out that the time was being wasted on shmdt/shmat calls (detach and attach to shared memory segments). After some more research, I found out that these CPUs, which usually are AMD Opteron and Intel Xeon, use a memory system called NUMA, which basically means that each processor has its fast, "local memory", and accessing memory from other CPUs is expensive.

After doing some tests, the problem seems to be that the software is designed so that, basically, any process can pass shared memory segments to any other process, and to any thread in them. This seems to kill performance, as process are constantly accessing memory from other processes.

Now, the question is, is there any way to force groups of process to execute in the same CPU?. I don't mean to force them to execute always in the same processor, as I don't care in which one they are executed, but that would do the job. Ideally, there would be a way to tell the kernel: If you schedule this process in one processor, you must also schedule this "brother" process (which is the process with which it communicates through shared memory) in that same processor, so that performance is not penalized.

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Networking :: Change TLL Of Domain Name

Jun 8, 2009

I try to change the TLL of a domain name. I changed the file zone of the domain name. My new TTL is ok on Windows XP but on Vista/Seven it's always the default TTL (24hoo)... The DNS propagation is already Ok.
I don't know why Vista/Seven joke with me.Can you help me?

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