Ubuntu Networking :: Anyway To Mask IP?

Apr 13, 2010

Is it possible to Mask my IP in Ubuntu?

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Ubuntu Networking :: How To Add Route Mask

Mar 11, 2010

How can I add this to Ubuntu so that I can effectively use both networks connected to my machine. All I do in WinXP is run this from the command prompt: route -p add 10.0.0.0 mask 255.0.0.0 10.15.122.9

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Networking :: Mask My Ip Address With Ubuntu 10.04?

Aug 9, 2010

How do i mask my ip address with ubuntu 10.04

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Networking :: Most Of Traffic Can Be Routed Simply By IP/mask?

Jun 28, 2011

I have a linux desktop with two connections - fast eth0 and slow modem ppp0. Most of traffic (e-mail, DNS, NTP) can be routed simply by IP/mask. But how about http and p2p (torrents, DC++)? Routing by IP is unacceptable, because there is very huge amount of routing rules. I need route http packets (80 port) through ppp0, p2p through eth0 (10000:65535 ports). I've found that splitting traffic by port is possible with marking packets for different gateways. For begin I cleared all tables and bringed up connections.

Code:
# iptables -F -t mangle
# iptables -F -t filter
# iptables -L -t filter
Chain INPUT (policy ACCEPT)

[Code].....

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Ubuntu Networking :: Change Subnet Mask "ONLY", Without Touching Any Other Setting?

Apr 5, 2010

I am using ubuntu Lucid and connected to a network with windows machines.Our network admin changed some settings in the network, and all machines need to change their subnet masks to access local machines (e.g. I am getting "unable to mount" message when I try to connect other Windows PC's on the network.)

If I open the connections panel, and "Edit" the "Auto eth0", I can get: IPv4 Settings -> Method -> Manual -> Addresses -> Add .And I am pretty sure I will put new subnet mask address into "Netmask" box, what to put others? Namely:

IP Address, Netmask, Gateway and below:
DNS Servers, Search Domains

I can get some info about my network connection by right clicking network icon on the panel, and select "Connection Information" Tried to fill manual settings with some of those info (the ones made some sense to me) but I still cannot mount windows network drives, plus my internet connection dies.So, is there any way to change Subnet Mask "ONLY", without touching any other setting.

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Ubuntu :: Find IP Addy / Subnet Mask / Gateway?

Jan 18, 2010

How do i find my internet address, subnet mask, gateway,etc in Ubuntu?

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OpenSUSE :: Date Mask In Ls -l Output

May 18, 2011

I just installed a OpenSuse 11.4 box. Now when I do a 'ls -l' I see the date format different than on all my other boxes even though I have identical regional settings. Is there a way (env var) to control this behaviour ?

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General :: Grep - How To Extract Mask Value

Feb 24, 2011

I want to extract some information from ifconfig,
E.g.:
inet addr:123.123.123.123 Bcast:123.123.123.255 Mask:255.255.254.0
I want to extract the mask value, how can I do that? I've tried using
Code:
grep -o "Mask:*" test1.txt
but it only outputs "Mask:" I need to get 255.255.254.0

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Ubuntu Security :: Create 760 But Even If Change The Mask It Still Generates The Same Permissions?

Jan 23, 2010

I have a setup samba and want to get the correct security permissions when my wife creates / copies files from her camera onto the shared/mapped drive on her new laptop (windows 7) I want the permissions set to 770 or maybe 760. See my config below.

Now I can get it to create 760 but even if I change the mask it still generates the same permissions. After every change I restart the samba service. the umask is still 0022, do not know if that makes a difference? The directory permission's are correct with this mask. Do I need to look at groups?

[Code]...

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Ubuntu Security :: Clean Mask For Files And Folders Through Samba

Feb 9, 2010

Still working on the mask of files for shared folder. I now have a shared folder with the exact behavior I expect :
Code:
sudo addgroup share_group
sudo mkdir /media/volume/shared_dir
sudo chgrp share_group /media/volume/shared_dir
sudo chmod g+s /media/volume/shared_dir
sudo chmod 770 /media/volume/shared_dir
sudo setfacl -d -m group::rwx /media/volume/shared_dir
sudo setfacl -d -m other::--- /media/volume/shared_dir
emma@box:/media/volume/shared_dir$ ls -al
total 8
drwxrws---+ 2 root share_group 4096 2010-02-09 12:53 .
drwxr-xr-x 8 root root 4096 2010-02-09 11:58 ..
-rw-rw----+ 1 emma share_group 0 2010-02-09 12:53 test
By default, user from the group can modify this file. That's perfect.

I have define the share in Samba this way :
Code:
[share]
comment = Shared Folder
path = /media/volume/shared_dir
browseable = yes
guest ok = no
read only = no
hide dot file = yes
# force group = share_group
# create mask = 0660
# directory mask = 0770
# force create mask = 0660
# force directory mask = 0770

When drag & dropping a file in this share, here is the default mask:
Code:
emma@box:/media/volume/shared_dir$ ls -al
total 192
drwxrws---+ 2 root share_group 4096 2010-02-09 12:54 .
drwxr-xr-x 8 root root 4096 2010-02-09 11:58 ..
-rw-rwx---+ 1 emma share_group 6148 2010-02-09 12:54 .DS_Store
-rw-rwxr--+ 1 emma share_group 176684 2009-12-21 23:33 IMG_7487.jpg

So the dropped file have execution rights for the group, and read access for other. I expected it to have the same rights than the file created directly using the touch command. I tried to play with the mask options, without success. The file has been dropped from my mac, which is a Unix like OS. I guess that some authorization access are inherited from the original file, for the user and other parts. But where does the group authorization come from ? Moreover, is is possible to define in samba a default mask, whatever the authorization of the original file?

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Ubuntu :: Mask/Alter Mac Address From Connections Coming Through Proxy

Nov 17, 2010

I have a local proxy server running on my computer, but I want to add a twist to it. I have multiple connections going through the proxy, but what I'd like to is that all outgoing connections Mac Address' will be different from the one the connecting systems. Mask or even alter them, if possible.

Yes, I know the idea itself sounds weird, but I'm attempting a few ideas for a project I'm working and I ran in to this problem. Please note that it's impossible for me to change the MAC Address' on the systems connecting through the proxy (they're gaming consoles, to be specific.)

I'm currently running the latest version of Ubuntu.

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CentOS 5 :: What Does Exclamation Mask Followed By Question Mark Mean?

Mar 25, 2009

In bash, what does an exclamation mask followed by a question mark mean?

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General :: Script To Covert Binary Value Into Subnet Mask?

Feb 11, 2010

for providing an earlier solution from which I have modified and butchered the below script.The intended purpose of this script is to take a subnet mask for example 255.255.255.0 and turn it into the corresponding wildcard mask value in this case it would be /24I have got to the point where I have the binary value, the script is

Code:
#!/bin/sh
#takes mask from ifconfig

[code]...

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Slackware :: Make K3b Write Files With Correct Mask

Jan 14, 2010

I've blown a couple of DVDs trying to burn them with correct file masks (directories and files are read-only). There doesn't seem to be any documentation for K3b (building the index doesn't do squat and the help says "The file or folder help:/k3b/index.html does not exist"). I can't seem to figure out a setting that simply copies everything the "way it is."

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Ubuntu :: 10.04 - Unlock Keyring Password Mask Symbols (****) With Small Font Size

May 3, 2010

It's about the promt for default keyring password after ubuntu boot. I cant get a screen-shot as print-screen doesn't work at that point.

The password mask (*******) symbol font size is smaller than any other password prompt (for instance gksudo). Is it only me ?

Should I report it as a bug ?

It's a minor problem but may be it's caused from something more serious as I have other problems.

Also this dialog window (of the keyring prompt) doesn't "woble". By that I mean that the effects that I've set are not applied to this window?

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General :: Mask Local Timer Interrupts In User Space?

Oct 27, 2010

I am trying to figure out how to mask local timer interrupts on a specific core of a multicore system from within user space. The interrupts are causing latency spikes of 3-10u that we would like to remove. We are only running 1 thread on the core h everything shielded except for these timer interrupts. This thread makes no system calls and thus is never getting context switched out. I am not looking to turn them off entirely but rather turn them off, run my code, turn them on in a continuous loop. The thread runs in user space which we are hoping to maintain. We also have no desire to modify the kernel if possible. I've read about using spinlock_irqsave() but it appears (not positive) that it must be used within kernel space.

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Programming :: Shell Script And Administration Of A System - Change Or Set The IP Address And Subnet Mask

Aug 26, 2010

tasks of an administrative level that we can use Shell Script to automate them. It's a kind of homework for me to figure out how to automate those tasks. Using PHP and Shell Script design and develop a Web Interface to change or set the IP Address and Subnet Mask of the UNIX / Linux System. The related services must be restarted automatically for the new IP Address and Subnet Mask to take effect. No user name and password should be asked for when using that Web Interface. How would you do it?

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Debian :: Activate "Remote Desktop Sharing" At The Login Mask?

Apr 10, 2011

I have squeeze with gnome and vino-server installed. Howto activate "Remote Desktop Sharing" at the login mask, so I can put login and password per remote.

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Ubuntu Networking :: Find Directions On Networking Two Computers Together In Order To Share Files?

Nov 20, 2010

I am having a heck of a time trying to find directions on networking my two computers together in order to share files. I have two machines running Ubuntu 10.10 Desktop & Netbook remix.

They are both connected to my wireless router to connect to the internet.

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Ubuntu Networking :: Error Appearsubu@ubu-AOD255E:~$ Sudo /etc/init.d/networking Restart?

May 21, 2011

trying to bond two 3G modems but I cant Im really new in this matther so I really This is the error that appears

ubu@ubu-AOD255E:~$ sudo /etc/init.d/networking restart
* Reconfiguring network interfaces... Ignoring unknown interface ppp0=ppp0.

[code]....

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Ubuntu Networking :: Cable Modem Networking - Can't Connect To Each Other On The Home Network

Feb 14, 2010

I just got connected to Charter Cable Internet service a few days ago and I'm having a weird problem with my home network. Prior to this my network worked fine. On my network I have a desktop running Ubuntu 9.10/64 and Virtualbox with WinXP installed, an HTPC with Ubuntu 9.10/32 installed and a laptop dual booted with Ubuntu 9.10/32 and WinXP. The desktop and HTPC are hard wired to a wireless router and the laptop is wireless. The cable modem is hard wired to the router. I have samba installed and UFW is disabled. The problem is: with the cable modem turned off or on standby, all machines connect to each other and can transfer files, etc just fine but when I activate the cable modem all of the machines can connect to the Internet but the machines running Ubuntu can't connect to each other on the home network. If I boot the laptop into Windows, it can connect to the Linux machines just fine but if I boot it into Linux, it won't connect to the Linux machines but it can connect to the Internet and as far as the desktop, Ubuntu won't connect to the network but Windows running in the Virtualbox with bridged networking can connect to all of the machines.

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Ubuntu Networking :: Crosswire Or Ethernet - Make A Server Box My Entrypoint To My Networking

Mar 1, 2010

Im trying to make an ubuntu server box my entrypoint to my networking. Meaning itll function as a server, a firewall, and a gateway. so i already installed dhcp3 and a dns server.

I have 2 ethernet cards in it. So now i wonder, should i the second card into a router's modem/wan port and make the router a switch? or should i plug it into one of the routers lan ports?

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Ubuntu Networking :: 9.10 Updates Yesterday/Today Cause Packet Loss On Networking

Apr 9, 2010

I have 3 Dell Precision M4400 machines. After getting updates yesterday or today, I get random network dropouts like crazy, on wired or wireless. On one machine I was able to turn off ipv6 in grub and reboot, and it works now. However on the other 2 machines, still have the same problems. All 3 are running 9.10 64 bit. Is there a way I can back out the updates so the network works again? Anyone else see this behavior after updates today?

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Ubuntu Networking :: Networking In 10.04 - In Network Manager There Is Not Way To Select My Modem In The First Step

May 3, 2010

I'm try to create a mobile broadband connection using my Huawei E 1550 medem. but in Network manager there is not way to select my modem in the first step ( device selection step ) the drop down menu is locked. what to do ? how to configure my modem with ubuntu ?

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Ubuntu :: When Click On Networking Icon In System Tray - Says Networking Disabled

Jul 13, 2010

I do have internet cause I am using it on W7. The only thing that I have done different is I left the pc on over night so I guess it went to suspend for the first time. Then I powered off. After turning the pc back on and logging in I have no internet. Not even with the Ethernet plugged directly in. There is supposed to be a little blue light on when it sees the wireless and that is off. When I click on the networking icon in the system tray it says networking disabled. It shows no wireless. When I plug directly in I still get nothing. I'm using 10.04

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Ubuntu Networking :: Drivers For Belkin Double N And Wireless Networking USB Adapter?

Aug 3, 2010

Ok, so I am needing some drivers and I've been googling like hell to find em, however, I can never seem to find any. My adapter model is F6D6050v1.

PS: when I try sudo ndisgtk it comes up with command not found.

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Ubuntu Networking :: Wired Networking Not Working At Work - Fine At Home ?

Aug 24, 2010

I just started having a problem with my 10.04 laptop a few days ago, maybe Thursday, last week. When the computer is plugged into my home network (standard 192.168.1.1 sort of IPs) it works fine, but when I try to connect to my work network (130.15.90.XX) I am unable to pick up an IP. The router in my office is working fine, all the windows boxes can connect.

I've also noticed that when the computer is plugged in at work the notification icon for the networking indicates it is looking for a wireless connection (rather than the normal up/down arrows), even if wireless is deactivated

I can set a static IP in /etc/network/interfaces and everything works, so it seems to be a DHCP problem?

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Ubuntu Networking :: Wireless Networking On Packard Bell Easynote Tn36

Nov 7, 2010

I'm using a Packard Bell Easynote Tn36 laptop, and I'm having trouble with Ubuntu 10.10 and the wireless network card, (probably because of lack of driver). I.e. it is disabled.

How can I enable it?

I input this code:

And here is the output:

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Ubuntu Networking :: Network Manager Applet Enable Networking Unchecked

Apr 2, 2011

Whenever I start up my laptop i do not get a wireless connection automatically. I have to rightclick network manager applet and select enable networking. After that everything works fine untill i shutdown and restart my laptop. I would like a way to change this so that my wifi connection is working whithout having to click something first..

OS:Xubuntu 10.04 LTS!
hardware: dell inspiron 6000
nm applet: 0.8.?

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Ubuntu Networking :: Dual Ethernet Networking - Lose Internet Connectivity?

Apr 18, 2011

I have a server with two ethernet ports. I configured eth0 to be static, set at 10.1.10.148. I plugged in another router into the other ethernet port in order to configure that router. I configured eth1 to use dhcp. Using /etc/network/interfaces rather than gnome network manager. When I did this, I lost internet connectivity (internet routes through eth0 of course)

- Why did I lose internet connectivity?

In order to recover internet activity, I had to disconnect the new router on eth1 of course, and do sudo ifdown eth1. That wasn't enough however. After rebooting numerous times and pulling out my hair, I finally tried configuring eth0 as dhcp, rather than static, and this fixed the problem.

- Why didn't sudo ifdown eth1 solve the problem? What information was saved between reboots that somehow remembered that I plugged in the new router? Because my thinking was if /etc/network/interfaces was identical, and the network topology was identical, after a reboot everything should be restored, but it wasn't.

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