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  • Beginners advice on Small business network disk(s)

    - by Rob
    We are having 10 PCs used by various user and presently use one network disk (a LaCie NAS) for all our data. Everything is Windows Vista and our collective IT hardware knowledge is minimal. This worked well generally. However, recently the disk freqently loses connection from the network (2-3 times per week) and the only way back seems to be the "turn it off and back on" trick. This obviously cant be any good for the disk. I understand that there are various more sophisticated ways of storing data and was wondering what people would recommend. One of the worries is obviously disk failure (either in part or as a whole) and the lack of continued availability due to network issues. I would guess that a disk which replicates data wouldnt work as a sole solution due to the network connection, but dont know what hardware (and/or software) would/could work in our case. In terms of size, we are looking at very small amounts, ie. less than 500 GB in total.

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  • Network monitoring solution

    - by Hellfrost
    Hello Serverfault ! I have a big distributed system I need to monitor. Background: My system is comprised of two servers, concentrating and controlling the system. Each server is connected to a set of devices (some custom kind of RF controllers, doesnt matter to my question), each device connects to a network switch, and eventually all devices talk to the servers, the protocol between the servers and the devices is UDP, usually the packets are very small, but there are really a LOT of packets. the network is also somewhat complex, and is deployed on a large area physically. i'll have 150-300 of these devices, each generating up to 100+ packets per second, and several network switches, perhaps on 2 different subnets. Question I'm looking for some solution that will allow me to monitor all this mess, how many packets are sent, where, how do they move through the network, bandwidth utilization, throughput, stuff like that. what would you recommend to achieve this? BTW Playing nice with windows is a requirement.

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  • Configuring Linux Network

    - by Reiler
    Hi I'm working on some software, that runs on a Centos 5.xx installation. I'ts not allowed for our customers to log in to Linux, everything is done from Windows applications, developed by us. So we have build a frontend for the user to configure network setup: Static/DHCP, ip-address, gateway, DNS, Hostname. Right now I let the user enter the information in the Windows app, and then write it on the Linux server like this: Write to /etc/resolv.conf: Nameserver Write to /etc/sysconfig/network: Gateway and Hostname Write to /etc/sysconfig/network-scripts/ifcfg-eth0: Ipaddress, Netmask, Bootproto(DHCP or Static) I also (after some time) found out that I was unable to send mail, unless I wrote in /etc/hosts: 127.0.0.1 Hostname All this seems to work, but is there a better/easier way to do this? Also, I read the network configuration nearly the same way, but if I use DHCP, I miss som information, for instance the Ip-address. I know that I can get some information from the commandline (ifconfig), but I dont get for instance Hostname, Gateway and DNS. Is there a commandline tool that will display this?

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  • Stop sharing network shares without removing them?

    - by lance
    I have several shares on my Win7 machine. I need them to disappear from the network (and stay gone across reboots), without my having to actually remove the shares (because they need to re-appear in a week). Is there something I can disable/stop on my machine (I'm thinking a service?) that will get this done? There are no network shares I need to keep available to the network (during this time).

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  • Network email alerts

    - by stephenfalken
    I would like to buy or d/l an application that will alert our sysadmin in the event of network failure, like via email and/or phone call. I've looked around the net before posting this question, but I have one main concern: if our network goes down, how can a network monitoring application send email to alert us that it's down? Doesn't this have to be an external application that looks at our network from outside? Well anyway, I want to find something that will handle this for us - freeware if possible, sice we're not looking for heavy analysis - just simple alerts. Advice is appreciated.

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  • Not able to access other machines on network

    - by TheVillageIdiot
    Hi I'm running Windows 7 Enterprise (32bit) on my laptop. For some time I'm not able to access other machines using \\192.168.xxx.xxx. I've installed VM Ware player on my machine few days back but I don't remember if it happened just after that or there is some other reason behind it. EDIT:- I've disabled VMWare Bridge Protocol but still no effect. Please help me. PS:- I've used both wireless and wired networks. Network sharing is enabled and I can ping other machines but cannot access network shares. I get following message: \\xxx.xxx.xxx.xxx You might not have permission to use this network resource. Contact the administrator of this server to find out if you have acess permissions. The request is not supported. EDIT (2):- Network Discovery, File and Printer Sharing, Folder sharing are all on.

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  • Removing (Presumably) Extraneous Network Adapters from Device Manager (eg WAN Miniport)

    - by Synetech inc.
    Can anyone shed some light on the default items in the Network Adapters branch of the Windows Device Manager? In addition to the network card, there are always a bunch of other things that I cannot find any useful information on such as RAS Asynch Adapter and all the WAN Miniports (IKEv2, IP(v6), L2TP, Network Monitor, PPPOE, PPTP, SSTP). I would like to trim it down and uninstall whatever possible but cannot find out exactly what these items are responsible for (and therefore whether or not they are needed on my system). Most of the pages found with Google are either people trying to fix an error with such an item or someone asking what it is and being given an unhelpful, pat response like “just leave them alone” or “they’re necessary”. I highly doubt that is the case and I’m certain that at least some items can be removed because even if they become necessary in the future they can be added again (for example installing Network Monitor or Protowall reinstalls the miniport drivers anyway).

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  • "Always available offline" option missing on one network drive in Windows 7

    - by Rynardt
    My network setup at home has 2 network storage devices on the network. The one is for media content on a Popcorn Hour A-110 and the other is a D-Link DNS-320 in RAID 1 configuration for business files. When I access these network drives and right click a folder the following context menu appears for the A-110 device, but not for the D-link. I have tested this in both Windows 7 32bit and Windows Vista 64bit. In both instances the "Always available offline" option is only available for the A-110 storage device, and not for the D-link. How do I get this option for the D-link? Any advice or ideas are welcome.

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  • Configuring Linux Network

    - by Reiler
    Hi I'm working on some software, that runs on a Centos 5.xx installation. I'ts not allowed for our customers to log in to Linux, everything is done from Windows applications, developed by us. So we have build a frontend for the user to configure network setup: Static/DHCP, ip-address, gateway, DNS, Hostname. Right now I let the user enter the information in the Windows app, and then write it on the Linux server like this: Write to /etc/resolv.conf: Nameserver Write to /etc/sysconfig/network: Gateway and Hostname Write to /etc/sysconfig/network-scripts/ifcfg-eth0: Ipaddress, Netmask, Bootproto(DHCP or Static) I also (after some time) found out that I was unable to send mail, unless I wrote in /etc/hosts: 127.0.0.1 Hostname All this seems to work, but is there a better/easier way to do this? Also, I read the network configuration nearly the same way, but if I use DHCP, I miss som information, for instance the Ip-address. I know that I can get some information from the commandline (ifconfig), but I dont get for instance Hostname, Gateway and DNS. Is there a commandline tool that will display this?

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  • Windows 7 "Could not reconnect all network drives" on boot

    - by Thermionix
    Windows 7 won't reconnect to my network drives on startup. Once it is done booting opening Windows Explorer and clicking each share will mount them. Windows 7 Enterprise N Service Pack 1 I have attempted formatting the windows machine - first thing done to machine was to map the network drives, upon reboot they were disconnected. It is running on an Crucial M4 64gb SSD. The host of the network shares is a Ubuntu-Server machine connected through a gigabit switch. A modem provides dhcp, although both these machines have static IP's defined. It won't reconnect the drives regardless of whether they're SAMBA shares or NFS shares - therefore I believe it's an issue with the windows machine. Ubuntu 11.10 (GNU/Linux 3.0.0-12-server x86_64) I've tried using ip address instead of netbios name for mapping shares on the windows machine, Also tried setting EnableLinkedConnections=1 gpedit.msc Computer Configuration - Administrative Templates - System-Logon - always wait for the network at computer startup and logon = yes

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  • Determine who is opening a .PST file from a network drive on the local network?

    - by hypoxide
    Our system admin has been struggling with the issue of our network getting completely locked up when users open PST files from network drives. Apparently Microsoft is aware of this problem but there is no fix for it. The entire local network is unable to use Outlook while this file is being opened (which may take hours). Is there a way to determine which user is opening the file instead of forcing everyone in the office to close outlook (like a traffic monitor or something)?

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  • Recurring network issues the same time every day.

    - by Peter Turner
    Something has been happening on my company's network at 9:30 every day. I'm not the sysadmin but he's not a ServerFault guy so I'm not privy to every aspect of the network but I can ask questions if follow up is needed. The symptoms are the following : Sluggish network and download speed (I don't notice it, but others do) 3Com phones start ringing without having people on the other end. We've got the following ports exposed to the public for a web server, a few other ports for communicating with our clients for tech support and a VPN. We've got a Cisco ASA blocking everything else. We've got a smallish network (less than 50 computers/vms on at any time). An Active Directory server and a few VM servers. We host our own mail server too. I'm thinking the problem is internal, but what's a good way to figure out where it's coming from?

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  • Windows 7 / TCP/IP network share guide - looking for to resolve failure to mount lacie network drive but works on XP,Linux,Mac.

    - by Rob
    Can anyone advise me of a really good, readable, Windows 7 TCP/IP network share guide, book, or reference. I want this because I cannot mount my Lacie 2big ethernet network drive in Windows 7 (32 bit home), but I can mount it in Windows XP Home 32bit, Ubuntu Linux 10.04 and Apple MacOS X. This drive is being mounted via the accompanying Lacie Ethernet Agent in XP (which I believe uses "Bonjour" protocol), on Mac and Linux it works without further need for software. Another Super User user has the same problem, but no answer: Trouble accessing network drives in Windows 7 I hope my take on the question shows a better willingness to investigate and do some digging - and therefore invite some suggestions to help with this. The drive is detected by Windows 7 (i.e. speech bubble "network drive found") but on trying to open an Explorer window, this remains blank with the Windows busy pointer. I'd prefer not to reinstall Windows 7 to see if that cures the problem, I'd rather understand what is happening/not happening, perhaps even compare differences with Windows XP. Suggestions, please for such guides or even the original problem itself. Update Edit Rewrote question more comprehensively here: Mhttp://superuser.com/questions/304209/looking-for-definitive-answer-to-accessing-a-network-share-via-windows-7-home-and

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  • Linux - Network Sharing a local NTFS usb drive

    - by Jonathan Rioux
    I have an external hard drive formated in NTFS which I would like to be able to access by the network. I want to make a network share out of it. I also have a Debian machine running in my house and I then got an idea. I want to plug in my external hard drive (usb) into my Debian machine, and make a windows share with it, maybe with Samba, so I will be able to access it from my Windows 7 laptop and see it as a network share. Additionally, how can I restrict specific folders of that network share, and allow only specific folders to specific users? For instance, I would like to give my girlfriend access to a folder of her name so she can put her files and so she wont be able to see the stuff in my folder...

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  • Can't copy files from network drive

    - by user630320
    I have weird problem with copying files. When I copy file from network drive into C drive nothing happens but when I copy file from network drive to desktop I can copy the file. Also if I copy files from desktop into C it works fine. I have full local admin permission on this PC and the network drive. I have try these things Created new profile Run Windows Update Run checkdisk I'm using Windows XP 32bit pro Update: Network path: \\server1\shared\folder PC: C:\ (this doesn't work) C:\Documents and settings\Userid\Desktop (This works fine)

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  • How can I monitor network traffic in an all Mac home network?

    - by raiglstorfer
    I have an all Mac network consisting of an Airport Extreme, 1 MacPro, 1 Mac Mini, 2 MackBook Pros, 2 iPads, and 2 iPhones. The Mac Pro is connected directly to the Airport Extreme via Cat5 and the rest is all running via Wireless. Lately I've been getting prompted by Google to enter Capchas frequently. The message states that I might have software running on my network I'm not aware of. My wireless router is password protected using WPA2 Personal and I frequently change my password so I don't think someone is using the network from outside (but I've no way to confirm this). I'm looking for a relatively cheap (preferably open source) solution that would enable me to monitor and profile the network usage by machine and port. Can someone recommend a solution?

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  • How can I monitor network traffic in an all Mac home network?

    - by raiglstorfer
    I have an all Mac network consisting of an Airport Extreme, 1 MacPro, 1 Mac Mini, 2 MackBook Pros, 2 iPads, and 2 iPhones. The Mac Pro is connected directly to the Airport Extreme via Cat5 and the rest is all running via Wireless. Lately I've been getting prompted by Google to enter Capchas frequently. The message states that I might have software running on my network I'm not aware of. My wireless router is password protected using WPA2 Personal and I frequently change my password so I don't think someone is using the network from outside (but I've no way to confirm this). I'm looking for a relatively cheap (preferably open source) solution that would enable me to monitor and profile the network usage by machine and port. Can someone recommend a solution?

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  • Linux browse and open network files with command line

    - by user3077066
    I'm new to Linux. I have a Windows network connected to a Linux computer. When I try to browse Windows files from windows managers in Linux, it asks for user name, work group name and password. The address of computer network is something like this: smb://computer-name/folder I want to access my network folders and files using command line. I have searched a little bit but I didn't find anything. Any suggestions? Thanks in advance

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  • Isolated Network Set-Up

    - by Isaac Kleinman
    I am looking to set up a small network for a client which would be isolated from his primary network. (I'm hoping to set-up the additional network as VMs on the primary network.) I've instructed the client to request a bunch of static ip addresses from his ISP, but I'm not sure how to proceed with setting this up. What hardware will I need and how do I go about the configuration? Heavy security is not my concern. All that's really required is that web requests from the two networks be presented to the outside world with different ip addresses.

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  • Why does Network-Manager close when it cannot bind to any connection?

    - by Agmenor
    When Network-Manager is not able to bind my Ubuntu to any connection, after a while it closes. The icon in the notification area (or indicator area) disappears, and it does not run any more. For instance this happens when there is really no ethernet network nor wireless one. Nonetheless this is a problem, since I often plug in my ethernet cable long after having booted my computer. As a hack I therefore hit Alt + F2, and type nm-applet. But I am not satisfied with this solution, because I think it is not intuitive enough. Is there a way to keep Network-Manager always running? I have Network-Manager 0.8.1 on Ubuntu 10.10, but this has been so for a long time, at least for one year.

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  • Network doesn't work after installing Ubuntu 10.10. Is this a hardware failure?

    - by Septagram
    Recently I installed Ubuntu 10.10 on my dev box, making a dual boot with Windows XP. Before installation, everything worked fine, but now Windows XP cannot connect to the network saying that cable is not connected. I tried connecting it to different devices, and it always fails. Under Ubuntu I observe the same issue, but occasionally, usually it works and sometimes it can't find the network. Do you people think it's Ubuntu related, or is my network card broken?

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  • Thread-local storage segfaults on NetBSD only?

    - by bortzmeyer
    Trying to run a C++ program, I get segmentation faults which appear to be specific to NetBSD. Bert Hubert wrote the simple test program (at the end of this message) and, indeed, it crashes only on NetBSD. % uname -a NetBSD golgoth 5.0.1 NetBSD 5.0.1 (GENERIC) #0: Thu Oct 1 15:46:16 CEST 2009 +stephane@golgoth:/usr/obj/sys/arch/i386/compile/GENERIC i386 % g++ --version g++ (GCC) 4.1.3 20080704 prerelease (NetBSD nb2 20081120) Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. % gdb thread-local-storage-powerdns GNU gdb 6.5 Copyright (C) 2006 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386--netbsdelf"... (gdb) run Starting program: /home/stephane/Programmation/C++/essais/thread-local-storage-powerdns Program received signal SIGSEGV, Segmentation fault. 0x0804881b in main () at thread-local-storage-powerdns.cc:20 20 t_a = new Bogo('a'); (gdb) On other Unix, it works fine. Is there a known issue in NetBSD with C++ thread-local storage? #include <stdio.h> class Bogo { public: explicit Bogo(char a) { d_a = a; } char d_a; }; __thread Bogo* t_a; int main() { t_a = new Bogo('a'); Bogo* b = t_a; printf("%c\n", b->d_a); }

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