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  • measuring of network reliability

    - by xpugur
    Hi, i have a exam to do at home but there is a question that i can't solve :S ... can anybody help me about that question (( i google it with diffrent ways but can't found anything as answer)) question: how the network reliability can be measured(write at least 4 factors)? explain 3 of the factors in details with their advantages and disadvantages?

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  • Command-line connect to wired network for Ubuntu

    - by Tim
    I like to know how to use command-line to connect to a wired network in general for Ubuntu 8.10? In my case, I connect a cable to my laptop but it doesn't work with my WICD. So I like to try command-line method. Here is the ifconfig of my network adapters: $ ifconfig eth0 Link encap:Ethernet HWaddr 00:c0:9f:8d:23:74 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:19 Base address:0x1800 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:4457 errors:0 dropped:0 overruns:0 frame:0 TX packets:4457 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:493002 (493.0 KB) TX bytes:493002 (493.0 KB) wlan0 Link encap:Ethernet HWaddr 00:0e:9b:ab:56:19 UP BROADCAST NOTRAILERS PROMISC ALLMULTI MTU:576 Metric:1 RX packets:1508929 errors:0 dropped:0 overruns:0 frame:0 TX packets:768144 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:806027375 (806.0 MB) TX bytes:78834873 (78.8 MB) wlan0:avahi Link encap:Ethernet HWaddr 00:0e:9b:ab:56:19 inet addr:169.254.5.92 Bcast:169.254.255.255 Mask:255.255.0.0 UP BROADCAST NOTRAILERS PROMISC ALLMULTI MTU:576 Metric:1 wmaster0 Link encap:UNSPEC HWaddr 00-0E-9B-AB-56-19-00-00-00-00-00-00-00-00-00-00 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Thanks and regards! UPDATE: Tried what oyvindio suggested. Here is the failing message: $ sudo dhclient3 eth0 There is already a pid file /var/run/dhclient.pid with pid 18279 killed old client process, removed PID file Internet Systems Consortium DHCP Client V3.1.1 Copyright 2004-2008 Internet Systems Consortium. All rights reserved. For info, please visit http://www.isc.org/sw/dhcp/ mon0: unknown hardware address type 803 wmaster0: unknown hardware address type 801 mon0: unknown hardware address type 803 wmaster0: unknown hardware address type 801 Listening on LPF/eth0/00:c0:9f:8d:23:74 Sending on LPF/eth0/00:c0:9f:8d:23:74 Sending on Socket/fallback DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5 DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10 DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12 DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 15 DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11 DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8 No DHCPOFFERS received. No working leases in persistent database - sleeping.

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  • Why will network manager not allow me save my VPN settings?

    - by Solignis
    I am trying to configure am OpenVPN client on my laptop. I am running Ubuntu 11.10 64-bit. When I open network manager and import the VPN settings from the premade config folder everything takes. The problem is when I try to save the settings, the save button at the bottom of the network manager applet is greyed out. Further more when I hover over the button it says Authenticate to save this connection for all users of this machine. The problem is I did not check the box Available to all users it was already checked and it is also greyed out and won't let me manipulate it. What is going on? Is this a bug or is there something I am missing? Any help would be wonderful.

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  • Slow file copying/network browsing in Windows 7

    - by tomp
    The file copying on local discs and network shares, and browsing shared folders is much slower on the Windows 7 than it was on Windows XP. I'm sure everyone encountered this problem, I personally have seen it on many different computers. What would you recommend to speed up these operations?

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  • Network connection thou a wall

    - by BCS
    I have a place where I want to set up a network connection thou a normal residential wall where I can't cut any holes. I don't want to just set up a wireless system. Does anyone make a device that you place on either side of a wall to hook up a connection? Preferably something that can do 100Mb full duplex and can't be eavesdropped on with common hardware?

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  • How to run open dns on a network

    - by user37652
    I need to be enlightened in this topic. First, is it possible to run open dns on a network so that you won't have to install the open dns updater to update the ip address of those machines with dynamic ip address. Second, how do I set it up. Can I set it up on the router?

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  • Network connection through a wall

    - by BCS
    I have a place where I want to set up a network connection through a normal residential wall where I can't cut any holes. I don't want to just set up a wireless system. Does anyone make a device that you place on either side of a wall to hook up a connection? Preferably something that can do 100Mb full duplex and can't be eavesdropped on with common hardware?

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  • 2Wire USB Network Adapter Not Working With Windows 7

    - by Andrew
    I installed Windows 7 on a separate drive, and everything works fine, but I can't get the above network adapter to work properly. It's displayed in Device Manager as a USB device, and I have the driver that makes it function in Vista, but when I run the Driver Wizard and direct it to directory where I have the Vista driver, it almost immediately says "Can't install driver." Is there any work around to this?

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  • Looking for network monitoring software for Win7 x64 (similar to the one included with Sunbelt perso

    - by rep_movsd
    I've upgraded from Windows XP to Windows 7 (64bit) and I found that the very convenient Sunbelt Kerio Personal Firewall will not work on this version. I hear the Windows 7 firewall is good enough(even though it never prompts for outbound connections) but Kerio had a nice network monitor feature which showed all applications with inbound and outbound connections and the current speed and bytes transferred for each one. Is there any software out there that can give me similar monitoring as what Kerio does? TCPView is almost as good, but doesnt show transfer statistics.

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  • Identify Executable Creating Network Traffice

    - by jeffspost
    I've got some application on my Windows XP machine that is generating an HTTP request to aaronsw.com every half hour. We've trapped the packets in wireshark, but wireshark doesn't tell what application generated the packets. Is there any utility that looks at network traffic AND tells what executable produced the traffic?

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  • Network via FireWire cable

    - by JIa3ep
    My notebook works under Windows XP and desktop computer under Vista. Seems to be that Windows Vista has no native support for creating network via FireWire cable. Is there 3rd-party solution?

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  • xampp - can access control panel, cannot access projects/sites on local network

    - by Peter O.
    I've configured xampp and firewall so I can access desktop pc's localhost over my local network through desktop pc's IP. But I'm not able to access auctual projects: I can access: http://192.168.x.x/xampp or http://192.168.x.x/phpMyAdmin But I cannot access: http://192.168.x.x/myWebsite/ I get an error: Server error We're sorry! The server encountered an internal error and was unable to complete your request. Please try again later. error 500

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  • Use name instead of IP address for home network

    - by abney317
    I have IIS7 on my computer, and I can access it through other computers in my house on the same network through my computer's IP address - 192.168.1.10x Instead of typing in http : //192.168.1.10x/ I want to be able to go to http : //somename/ I know you can change the hosts file to add it but I'd have to do that on each computer and I'd still have to type in the IP to access it from my iPod/Wii... etc.

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  • Use name instead of IP address for home network

    - by abney317
    I have IIS7 on my computer, and I can access it through other computers in my house on the same network through my computer's IP address - 192.168.1.10x Instead of typing in http : //192.168.1.10x/ I want to be able to go to http : //somename/ I know you can change the hosts file to add it but I'd have to do that on each computer and I'd still have to type in the IP to access it from my iPod/Wii... etc.

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  • Simulate printers on AD network

    - by MikeyB
    I need to create an Active Directory lab that contains printers and test out various printer-related functionality (adding printers in AD, clients attaching to printers, printers, etc) Is there a good way to properly simulate printers on a network? Or does there need to be real physical printers somewhere that eventually are attached, even if no output comes out. How would you solve this problem?

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  • LAN connection loses network access randomly

    - by bill11
    Hi, Windows 7 is a great OS but there are some problems which should be solved from Microsoft as fast as possible. On my Computer the LAN connection randomly loses its connection. I don't know why but I think this problem depends on my network driver which is only available for Windows XP (where it always worked perfectly). I can not reproduce this issue. Has anybody here had the same problem?

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  • Automatically restore windows network drive (red "X") via batch file

    - by user33958
    i need check if a network drive is mapped and accessible. From time to time windows displays a red X on the drive, and i would need to manually click the drive in explorer to reconnect. I already found solutions which involve editing the registry which unfortunately isn´t possible. So i would need a batch file checking for connection, and (re-)mounting the drive. What i´m using at the moment: IF NOT EXIST z: net use z: \\10.211.55.5\test

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  • Can I set up a hostname alias that is only active in a specific network?

    - by denisw
    I have a small ARM box running ownCloud in my house, and a domain bound to my DSL router with Dynamic DNS. This works well as I can configure the ownCloud client to use the domain name, which works both in the house and when I'm on the road. However, at home I would like to let my laptop and my server talk to each other directly on the local network, rather than as if they were talking over the Internet (including DNS resolution for my domain name, routing all traffic through the DSL machinery etc.). I know that I can set a hostname alias for my domain in /etc/hosts - the problem is that I want this alias to only be active when I'm in the home network, while in all other cases DNS resolution should be used as normal. Is this possible?

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