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  • Windows 7 Can't Connect to Network Drive on Windows XP

    - by Alex Yan
    I have a Windows XP desktop and a Windows 7 laptop both connected to a TrendNET TEW-432BRP router, which is connected to the Internet. They both have static IPs. The desktop has an external hard drive connected to it. The laptop is wireless and the desktop is wired. I enabled sharing on the external hard drive about two years ago when I bought it. I mapped it as a network drive on the laptop. I think it was yesterday, the laptop just stopped recognizing any of the computers on my network (When I open network, my laptop's the only one on it). I also get an error message "An error occurred while connecting A: to \CERTIFIED-DATA\Expansion Microsoft Windows Network: The network path was not found. The connection has not been restored" when I try to connect to the network drive. Both computers run Avast, and there hasn't been any problems with it. This has happened before but I never figured out why and how to fix it. It's usually fixed when I reinstall the OS of the affected system. Edit: I can't navigate the computer using \\CERTIFIED-DATA. I get a message saying "Windows cannot access \CERTIFIED-DATA. Check the spelling of the name, Otherwise, there might be a problem with your network" I clicked diagnose on the message and it failed to find anything wrong I clicked diagnose on my wireless connection, and it just keeps trying to check if something is wrong with the connection I can ping it successfully

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  • How do I connect a 2008 server to a 2003 server active directory?

    - by Matt
    Our DC is running Windows Server 2003. I've just set up Windows Server 2008 and have terminal server running on it. When setting the terminal server permissions, it was able to allow a group name that was read from the domain. In the DC the new terminal server shows up as a computer in the domain. I can also log in as a user within the domain even though that user doesn't exist locally on the new server. However, when I go to set sharing permissions on the new machine it doesn't show my domain as a location. Instead it is only looking at location "machinename" and not allowing domain to be seen or added. Is there something I'm missing? Ok, lots of errors in the event log. We have this: The winlogon notification subscriber is taking long time to handle the notification event (Logon). Followed by this: The winlogon notification subscriber took 121 second(s) to handle the notification event (Logon). Followed by: The processing of Group Policy failed because of lack of network connectivity to a domain controller. This may be a transient condition. A success message would be generated once the machine gets connected to the domain controller and Group Policy has succesfully processed. If you do not see a success message for several hours, then contact your administrator. I think this might be the same problem I'm having http://serverfault.com/questions/24420/primary-domain-controller-slow Solved. The issue was that I had changed from DHCP to static and put the wrong DNS server IP in. i.e. firewall instead of DC/DNS server.

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  • What is Best storage servers infrastructure ? DAS/NAS/SAN or installing GlusterFS/LUSTER/HDFS/RBDB

    - by TORr0t
    I am trying to design an infrastucture for the project I am working on. It would be somehow a file-sharing/downloading project (like rapidshare) and I would need high storage sizes and good scability, and I would add new storage nodes after my project grows up. I have come up with 3 solutions for my project which are using Luster, GlusterFS, HDFS, RDBD. For start, i would have 2 servers, one server is for glusterfs client + webserver + db server+ a streaming server, and the other server is gluster storage node. (After sometime, i would be adding more node servers, and client servers (dont know how many new client new servers to add, will see later) So, i am thinking to work with glusterfs. But i really wonder that if i have to use high performance servers with high sotrage sizes or avarage/slow servers with high storage sizes? Or nas/das/san solutions are better for glusterfs storage nodes? I might buy a nas and install glusterfs onto it. I would be happy to listen to your recommendations for the server properties (for each clients and nodes) . I really dont know if I really need high amount of ram and good cpus to for the nodes. I am sure i need it for client servers. The files would be streamed as well, so the Automatic file replication is important, thus, my system should work like a cloud, when needed, according to high traffic, the storage nodes should copy the most demanded file to be streamed and would help me to get rid of scability problems and my visitors would able to stream/download those files. Also, i am open to your experiences/thoughts about any good solution. Luster, hdfs, rbdb are the other options and i would be happy to listen to your thoughts here. I would be very very happy to hear back from anyone commented of any words I have used here. Thanks

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  • How to enable Ipv6 on my ubunutu 11.04 virtual machine

    - by liv2hak
    I have installed 3 VM's on my PC.(Ubuntu 11.04).I want to setup an IPV6 network to review and test some of the IPV6 tools like NDPMonitor.(monitors ICMP messages of Neighbour Discovery Protocol.) IP v6 addresses are as follows. linux_router - fe80::a00:27ff:fed5:f7e9/64 labhack1 - fe80::a00:27ff:fed2:8bd1/64 labhack2 - fe80::a00:27ff:fed7:2f2d/64 The below commands have been run on both linux_router and labhack1. sudo ip r a 2001:468:181:f100::/64 dev eth0 sudo vim /etc/radvd.conf /file looks like below./ interface eth0 { AdvSendAdvert on; /*means that we are sending out advertisments.*/ MinRtrAdvInterval 5; /*these options control how often advertisments are sent*/ MaxRtrAdvInterval 15; /*these are not mandatory but valueable settings.*/ prefix fe80::a00:27ff::/64 { AdvOnLink on; /*Says to the host everyone sharing this prefix is on the sam local link as you.*/ AdvAutonomous on; /*Says to a host: "Use this prefix to autoconfigure your address"*/ }; }; sudo sysctl -w net.ipv6.conf.all.forwarding=1 I try to do a ping6 -I eth0 fe80::a00:27ff:fed5:f7e9 I get Destination unreachable: Address unreachable.I am not sure what I am doing wrong here.I am a beginner at linux administration.Basically I think I am missing whatever is analogous to physically connecting VM's.Any help that would point me in the right direction would be greatly appreciated.

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  • Files on ext4 on Drobo with corrupt, zero-ed out blocks

    - by Patrick
    I have a 2TB ext4 file system (Ubuntu running Linux kernel 2.6.31-22-server x86_64). This file system is the second drive on a Drobo box plugged in via USB. We've not had problems on the first drive (Drobo limits drive size to 2TB due to some OS limitations, so if you have more space than that it appears as two separate drives). I am sharing this files with Samba (smbd 3.4.0) with a mix of Windows and Linux workstations. Recently we've been experiencing some data corruption in multiple files. In many cases I have an un-corrupt original file stored on one of the workstations. These are binary files of various formats, (e.g. SQLite, but others as well). I used "split" to split a corrupt and uncorrupt file into 4096 byte chunks (this is the block size of the ext4 file system). I then ran md5sum on pairs of chunks and discovered that the chunks matched in many cases and in every case where they did not match, the corrupt chunk was a solid chunk of zeroes (620f0b67a91f7f74151bc5be745b7110 for what it's worth). I'm trying to track down a culprit but am a bit at a loss. I don't believe Samba is at fault since I'm using it without issue on the first drive exported by the Drobo. What can I do to narrow this down and find out what's going on?

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  • Database types for customer analytics

    - by Drewdavid
    I am exploring a paid solution to start providing better embedded, dashboard-style analytics information to our website customers/account holders, but would like to also offer an in-house development option to our team. The more equipped I am with specifics (such as the subject of this question), the better the adoption rate from the team (or so I have found), regardless of the path we choose Would anyone care to summarize a couple of options for a fast and scalable database type through which we would provide the following: • Daily pageviews to a users account pages (users have between 1 and 1000 pages) • Some calculated/compounded metrics (such as conversion rate, i.e. certain page type viewed to contact form thank you page ratio) • We have about 1,500 members (will need room to grow); the number of concurrently logged in users will for the question's sake be 50 I ask because our developer has balked at providing this level of "over time" granularity (i.e. daily) due to the number of space it would take up in a MYSQL database To avoid a downvote I have asked specifically for more than one option, realizing that different people will have different solutions. I will make amendments to my question if so guided by answering parties Thank you for sharing your valued answers :)

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  • Why can't this user connect to domain share?

    - by Saariko
    Part of my reorganizing credentials in the domain, I have created several users that will be used solely for services (backup, LDAP, etc) The idea is that systems that need specific usage will use a user/service user, that will give them what they need. However, I am having trouble setting the correct needed data. For this example, I have a NAS (Ready NAS 1100 by Netgear), that runs it's own backup jobs. The job reads from a domain share: \domain\qa and copies all data to another location. When using the domain\administrator everything works. When I input the domain\srv.backup user I get an error connecting to the folder. The srv.backup is part of the 'Domain Admins' group, which is a member of 'Administrators' I thought there might be propagation issues, but even when the srv.backup user was a direct member of 'Administrators' the error still occurred. I have 2 DC's (W2K8R2 replicas) - I thought that could also cause a problem, AFAIKT it's not the issue. Sharing permissions are open to everyone The Security on the folder is as follow This is the test window from the NAS dashboard I doubled check that the 'srv.domain' is part of the 'Domain Admins' group As well as tried with a simple 1-9 password. What else do I need to check? thanks.

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  • Setup.exe called from a batch file crashes with error 0x0000006

    - by Alex
    We're going to be installing some new software on pretty much all of our computers and I'm trying to setup a GPO to do it. We're running a Windows Server 2008 R2 domain controller and all of our machines are Windows 7. The GPO calls the following script which sits on a network share on our file server. The script it self calls an executable that sits on another network share on another server. The executable will imediatelly crash with an error 0x0000006. The event log just says this: Windows cannot access the file for one of the following reasons: there is a problem with the network connection, the disk that the file is stored on, or the storage drivers installed on this computer; or the disk is missing. Windows closed the program Setup.exe because of this error. Here's the script (which is stored on \\WIN2K8R2-F-01\Remote Applications): @ECHO OFF IF DEFINED ProgramFiles(x86) ( ECHO DEBUG: 64-bit platform SET _path="C:\Program Files (x86)\Canam" ) ELSE ( ECHO DEBUG: 32-bit platform SET _path="C:\Program Files\Canam" ) IF NOT EXIST %_path% ( ECHO DEBUG: Folder does not exist PUSHD \\WIN2K8R2-PSA-01\PSA Data\Client START "" "Setup.exe" "/q" POPD ) ELSE ( ECHO DEBUG: Folder exists ) Running the script manually as administrator also results in the same error. Setting up a shortcut with the same target and parameters works perfectly. Manually calling the executable also works. Not sure if it matters, but the installer is based on dotNETInstaller. I don't know what version though. I'd appreciate any suggestions on fixing this. Thanks in advance! UPDATE I highly doubt this matters, but the network share that the script is hosted in is a shared drive, while the network share the script references for the executable is a shared folder. Also, both shares have Domain Computers listed with full access for the sharing and security tabs. And PUSHD works without wrapping the path in quotes.

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  • Development on Windows 7; Web server on Linux - How to share Apache web root?

    - by TheKeys
    I've got a LAMP server that I want to use as a local web server. I've got a Windows 7 machine that I want to use as my development machine. The machines will be on the same LAN (or the Windows box will be VPNed into the LAN). My questions is, what is the best way of sharing the web root of the LAMP server so that I can edit the files on the remote Windows 7 machine and how do I go about configuring this on the Linux machine? (Fedora 16) I would like the solution to be as easy to use as possible with preferably no extra steps required to save/edit/upload files from my IDE on my Windows 7 machine. I'm thinking either a Samba or NFS share are the way to go but I'm concerned I'm going to run into issues with permissions and unix/windows file handling. Is one better than ther other for my use case or is there a better alternative solution? I'm currently using Windows 7 Professional which doesn't have NFS support but would upgrade to Ultimate which does have NFS support if it's the best solution.

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  • Selenium server won't start

    - by moff
    I'm getting the following error when trying to start selenium: C:\Temp\selenium-server-1.0.3java -jar selenium-server.jar 22:02:07.615 INFO - Java: Sun Microsystems Inc. 16.0-b13 22:02:07.617 INFO - OS: Windows 7 6.1 x86 22:02:07.625 INFO - v2.0 [a2], with Core v2.0 [a2] 22:02:07.811 INFO - RemoteWebDriver instances should connect to: http://127.0.0. 1:4444/wd/hub 22:02:07.813 INFO - Version Jetty/5.1.x 22:02:07.815 INFO - Started HttpContext[/selenium-server/driver,/selenium-server /driver] 22:02:07.817 INFO - Started HttpContext[/selenium-server,/selenium-server] 22:02:07.818 INFO - Started HttpContext[/,/] 22:02:07.866 INFO - Started org.openqa.jetty.jetty.servlet.ServletHandler@2bbd86 22:02:07.867 INFO - Started HttpContext[/wd,/wd] 22:02:07.870 WARN - Failed to start: [email protected]:4444 Exception in thread "main" org.openqa.jetty.util.MultiException[java.net.SocketE xception: Unrecognized Windows Sockets error: 0: JVM_Bind] at org.openqa.jetty.http.HttpServer.doStart(HttpServer.java:686) at org.openqa.jetty.util.Container.start(Container.java:72) at org.openqa.selenium.server.SeleniumServer.start(SeleniumServer.java:3 96) at org.openqa.selenium.server.SeleniumServer.boot(SeleniumServer.java:23 4) at org.openqa.selenium.server.SeleniumServer.main(SeleniumServer.java:19 8) java.net.SocketException: Unrecognized Windows Sockets error: 0: JVM_Bind at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(Unknown Source) at java.net.ServerSocket.bind(Unknown Source) at java.net.ServerSocket.(Unknown Source) at org.openqa.jetty.util.ThreadedServer.newServerSocket(ThreadedServer.j ava:391) at org.openqa.jetty.util.ThreadedServer.open(ThreadedServer.java:477) at org.openqa.jetty.util.ThreadedServer.start(ThreadedServer.java:503) at org.openqa.jetty.http.SocketListener.start(SocketListener.java:204) at org.openqa.jetty.http.HttpServer.doStart(HttpServer.java:716) at org.openqa.jetty.util.Container.start(Container.java:72) at org.openqa.selenium.server.SeleniumServer.start(SeleniumServer.java:3 96) at org.openqa.selenium.server.SeleniumServer.boot(SeleniumServer.java:23 4) at org.openqa.selenium.server.SeleniumServer.main(SeleniumServer.java:19 8) Java is installed: C:\Temp\selenium-server-1.0.3java -version java version "1.6.0_18" Java(TM) SE Runtime Environment (build 1.6.0_18-b07) Java HotSpot(TM) Client VM (build 16.0-b13, mixed mode, sharing) Thanks in advance

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  • Why are group policy preference drive mappings not applied to the domain administrator account?

    - by Saariko
    I have a working policy on my entire domain. I just found out, when logging with the domain administrator, that this policy is not applied (EDIT: Running : gpresult shows that the GPO's are applied - but, this GPO is for Drive Mappings, and the actual drive mappings are NOT shown) The administrator account - does not have any login script on his profile tab. To note: The mappings were applied before the GPO with a login script using the : net use ... command - all was working perfectly and correctly for the domain administrator user as well - That removes sharing and security problem (IMO) My GPO's are mainly small/atomic settings: single GPO to handle each settings: UAC, Firewall, printers. GPO status for the object is enabled That's an overview of the Drive Maps: Reading on MS support site, I checked the delegation tab, and it is marked as applied to domain and enterprise admins. Every user gets these policies correctly. The OU that is set is the root of the domain. (for testing purpose - I did that to eliminate hierarchy issues - did not help) Block Inheritance is disabled. (never used it anyway) GPO link GPO Security Filterings

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  • SBS 2011 Essentials and too many new Mac users

    - by Harry Muscle
    We currently have about 15 users on a Windows SBS 2011 Essentials Server. I've just been informed that we plan to bring aboard about 15 more users that will be using Macs. We'll be using a Mac Server to manage the 15 new Macs, however, I'm looking for advice on how to best set this all up. Ideally I would just add the 15 new Mac users to Active Directory and setup the Mac Server to authenticate against AD, unfortunately the SBS 2011 Essentials Server has a limit of 25 users, so adding these new users to AD won't work unless we upgrade the Windows server (which I'd rather avoid since it's a lot of work and a lot of money). That leaves the option of creating user accounts for these 15 Mac users on the Mac Server only. The problem that this creates though is how do I share files been Mac users and Windows users since they are now using different systems for network authentication. Any advice (short of upgrade to SBS Standard) is highly appreciated. Thanks, Harry P.S. We don't run Exchange or anything else on our server ... it's mainly used for file sharing and enforcing security via group policies.

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  • Robocopy failure with Windows Server 2008 Scheduled Task

    - by CC
    So I have a batch script for robocopy. Running this from the command line does exactly what I want. robocopy "D:\SQL Backup" \\server1\Backup$\daily /mir /s /copyall /log:\\lmcrfs4g\NavBackup$\robocopyLog.txt /np Then I create a Scheduled Task in Windows Server 2008. If I set up the task to use my Domain Admin account, great. But I'm trying to get it to run as a separate domain account for Scheduled Tasks. If I use that account, folders get created, but files aren't copied. I get the following error: 2011/02/17 15:41:48 ERROR 1307 (0x0000051B) Copying NTFS Security to Destination Directory D:\SQL Backup\folder\ This security ID may not be assigned as the owner of this object. I've verified my domain\Scheduled Tasks account has Full Control NTFS permissions on both the source and destination, and the Full Control Sharing on my hidden \server1\backup$ share. Just for giggles, I've tried adding the domain account to the local Administrators group on both servers. This works fine, but that seems like a lot of privileges just to copy files. Any ideas on what I'm missing?

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  • 3 Servers, is this is a cluster?

    - by Andy Barlow
    Hello, At the moment I have one Ubuntu server, 9.10, running with a simple Samba share, a mail server, DNS server and DHCP server. Mostly its just there for file sharing and email server. I also have 2 other servers that are exactly the same hardware and spec as the first, which have an rsync set up to retrieve the shared folders and backs them up. However, if the first server goes down, all of our shares disappear along with our mail and the system must be rebuilt. Also I tend to find if people are downloading a large amount from the file server, no-one can access there emails - especially in the morning when everyone is signing in at once. Would it be more beneficial for me to have all 3 servers, all running the same services, doing the same thing with some sort of cluster with load balancing? I'm not really sure where to begin looking, or how to go about such a setup where 3 servers are all identical, but perhaps one acts as the main load balancer?? If someone can point me in the right direction, or if this simply sounds like one of those Enterprise Cloud's that is now a default setup in Ubuntu Server 9.10+, then I'll go down that route. Cheers in advance. Andy

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  • cpu load measure with hyperthreading on linux

    - by dronus
    How can I get the true usage of a multicore hyperthreading enabled cpu? For example lets consider a 2 core CPU, expressing 4 virtual cores. A single threaded workload would now show up as 100% in top, as one core of the virtual cores is completely used. The CPU and top work as expected, like there would be 4 real cores. With two threads however, the things get arkward: If all works well, they are balanced to the two real cores, so we got 200% usage: Two times 100% and two idle virtual cores, and are using all of the available CPU power. Seems ok to me. However, if the two threads would run on a single real core, they would show up as using two times 100%, that makes 200% virtual core usage. But on the real side, that would be one core sharing its power on the two threads, which are then using only one half of the total CPU power. So the usage numbers shown by top can not be used to measure the total CPU workload. I also wonder how hyperthreading balances two virtual on a real core. If two threads take a different amount of cycles, would the virtual cores 'adapt' so that both show a 100% load even if the real load differ?

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  • How to get a new-pssession in PowerShell to talk to my ICS-connected laptop for Remoting

    - by Scott Bilas
    If I have my laptop on the LAN, then Powershell remoting works fine from my workstation to the laptop. However, the LAN is wireless, and so sometimes I will connect on a wire to my workstation. It has two ethernet ports so I have the secondary wired up to share to the laptop using Win7's Internet Connection Sharing. (Btw I know that avoiding ICS would solve the problem, but that's not an option right now.) So my question is: what magic registry bits or command line options do I need to flip to get remoting to work to my laptop through ICS? Here's what happens when I try it: new-pssession -computername 192.168.137.161 [192.168.137.161] Connecting to remote server failed with the following error message : The WinRM client cannot process the request. Default authentication may be used with an IP address under the following conditions: the transport is HTTPS or the destination is in the TrustedHosts list, and explicit credentials are provided. Use winrm.cmd to configure TrustedHosts. Note that computers in the TrustedHosts list might not be authenticated. For more information on how to set TrustedHosts run the following command: winrm help config. For more information, see the about_Remote_Troubleshooting Help topic. + CategoryInfo : OpenError: (System.Manageme....RemoteRunspace:RemoteRunspace) [], PSRemotingTransportException + FullyQualifiedErrorId : PSSessionOpenFailed I'm having a hard time understanding the documentation for PowerShell and WinRM. I've tried messing with allowing ports in the firewall and setting TrustedHosts to * on my workstation (don't think this is a good idea on the laptop). I have no idea where to go from here, would appreciate any help.

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  • vmdk Recovery after migration from 3.5 to 4 and fallback tentative.

    - by olgirard
    Hy, I've tryed to migrate some VM from my 3.5i environment to a brand new vSphere 4.0 U1. The two platforms are running simultaneously, sharing the same SAN. I Migrate my VM by stopping it, unregistering in vcenter (esx ver. 3.5, i call it esx3), register in vSphere (esx ver. 4, i call it esx4), and migrate upgrade virtual hardware before powering it up (First mistake). vMotion was enabled on esx4, seem to be a second mistake. After a day or so, i encountred problems joigning the esx server (esx4) and decided to unregister my server for esx4 and fallback to esx3. esx3 refused to boot, i supposed this was due to virtual hardware in Version 7 so i recreated a new VM pointing to the vmdk of the old VM. Everithing seemed fine until i log into the server and discover that i was running on the original disk ith every snapshots ignored even those created on esx3. I tried to reboot VM on esx4 but VM doesn't power up because "The parent virtual disk has been modified since the child was created". I've got a copy of a later state of the drive but generated between two snapshots (ovf generated with canverter standalone) as a backup. Do i have a chance to recover at least some files on the virtual drive or (as i tink) all is played, i've done enought mistakes for this time. Thanks for your help.

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  • Network bridge does not work on Windows 7

    - by D. Strout
    I am trying to use Windows 7 to bridge my wireless and wired connections together to get wireless on a second Windows XP computer (fresh install). The network bridge is created successfully, but when I connect the cable from the first computer with the bridged connections to the second one with just a wired connection, nothing happens. The second computer doesn't connect, and the first computer shows no sign of anything different. I tried bridging the connections of a third computer, and connecting this computer to the second computer. This worked (third computer bridged the wireless to the second computer). Thus, the problem must be with the first (Win 7) computer. However, I have no idea what the problem could be. All Internet Connection Sharing is turned off. Homegroup is disabled (it was originally enabled, I thought that might be a problem, so I disabled it). Also, I had VMWare fusion installed, and that created extra items in the "This connection uses the following items" box in the properties dialog. Thinking this might be causing issues, I uninstalled that too. Still, with everything I tried, I can't get it to work. Any suggestions? Edit: Another thing I noticed that might be worth mentioning: The network icon in the Win7 taskbar has a red X on it that means it's not connected, but when I click the icon, it says connected next to my wireless connection, and I am able to access the internet.

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  • Unix Permissions: Enable access to files no matter the user?

    - by TK Kocheran
    I've been using Linux for a long time and I still am completely in the dark about how file permissions really work. With that in mind, does anyone have any books or thorough guides I could read to really understand things completely? I've done my fair share of sysadminning, so I know the easy stuff like making directories readable and writable, making files executable, and changing the owner of a file, but on sharing files across users, I'm lost. Here's my main problem. I have a number of machines across which I intend to synchronize my music library. I've been using Unison for a while now and it's a great choice as I can easily run it over SSH on my local network which I just set up. Win-win. Up until this point, I've been synchronizing computers using a 2TB external hard drive. (computer 1 unisons to HD, computer 2 unisons to HD, etc.) This is tedious at best, especially since I encrypted the drive, making it a huge hassle to hook it up to all of my machines and sync it. Anyway, the drive is running ext4 (in TrueCrypt), so it maintains all Unix filesystem info like owners and groups. I just set up a new machine and just Unison'd it to get the music on it, and I realized that now, all of my permissions are fubar. I had to run Unison as root since that was the only way I could get the files to come off of the external drive. Apparently, since I'm using a different user name on this machine than my usual "rfkrocktk" across all machines, this essentially throws a huge wrench in the gears. Here's my use case. This laptop has two effective users, "leandra" and "rfkrocktk". I want to share music between these two users, so I symlinked /home/rfkrocktk/Music to point to /home/leandra/Music. How do I (a) allow both users access to read/write/delete files in this folder, and (b) keep everything nicely in sync without messing up file ownership?

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  • NX Client for Windows 7 Opens Remote Desktop in Multiple Windows

    - by Corey Kennedy
    What I'm trying to do: access my Ubuntu desktop remotely via NX Client on my Windows 7 laptop. My environment: server: Ubuntu 10.10 on AMD 1Ghz/512MB RAM PC client: Windows 7 on ThinkPad sl510 Software: server is running NXServer 3.4.0. Using xfce4 window manager. Laptop is using NXClient for Windows In my NX Client "Desktop" settings I've selected "Unix" and "Custom" for OS and environment. I've also specified "startxfce4" as the application to launch when NX connects. I am able to authenticate an NX session on my laptop. By this I mean, I can start the client on my laptop, enter credentials for my Linux user, and NX establishes a connection to the server and attempts to open a remote desktop window. The problem, though, is that this remote desktop is "fragmented" into many Windows. One window will display the bulk of my desktop (complete with desktop icons for "Home," "File System," and "Trash") while another window will contain the taskbar, and another window will contain the application strip. I can select each of these Windows individually, but I cannot click on any objects within them. I've searched Super User, Ubuntu Forums, NX help, Server Fault, and tried many Google searches - none have turned up another case of this particular problem. I'm stumped. Does anyone have any suggestions for what I might try? I'm guessing the problem has to do with my xfce config files, but I've only just setup this server - it's been a long time since I've used Linux and there's a lot I just don't know. What I am NOT trying to do: use Desktop sharing from Ubuntu, whereby I VNC into a desktop that I've already established on the server. I am trying to configure this Linux box as a headless server that I can stash someplace out-of-the-way in my house, then interact with through my laptop. I don't want to have a monitor or keyboard connected to the Linux box. Thanks for your help!

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  • ADSL to T1, Is it worth it for us?

    - by Jack Hickerson
    The company I work for has roughly 45-55 simultaneous users (local and remote/VPN) logged in at a given time. We currently subscribe to an ADSL connection but we have been experiencing slower upload/download speeds as our number of users increase. So, I have a few questions with regards to upgrading our connection to a t1 line. I am aware that the number of channels on a t1 line are much greater then that of our current ADSL connection, but I have heard that the number of active users on a t1 line should be no greater than ~30 for optimal performance. I would think this statement is dependent on what each user was using the connection for and could change depending on this variable. That being said, I have tried to break down how the line would be used in our organization based on our major departments: Sales (~60% of total users) - Everyday surfing, email, research, occasional streaming media Marketing (~15% of total users) - Heavy reliance on uploading/downloading, streaming media, file sharing Other (~25% of total users) - email, rare use of any connection intensive activities. I have considered keeping the ADSL for our local users and dedicating the t1 to our remote users (or vice versa) but the cost is significantly higher then what we had hoped for. All factors being equal (# of users, frequency of downloads/uploads from our current activities) Would you suspect a significant performance increase in making the transition to a t1 line from our current ADSL line? What are your thoughts or recommendations?

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  • VirtualBox: Can't get Bridged Networking to work (Win7 host)

    - by MikeTheTall
    I'm trying to set up a virtual LAMP server, including sharing files between the guest OS (Ubuntu Server) and the host OS (Windows 7) using samba. I think my problem is that I can't get Bridged (or Host-Only) networking to work in VirtualBox. I can boot the Linux VM just fine with NAT, but then can't access any services on it directly (except after port-forwarding port 80)(my understanding is that port-forwarding works because I'm not running a web server on the host OS, and therefore it can forward traffic to the unused port 80). I don't think that port-forwarding samba traffic (from the host to the guest) will work since I think that the host OS is using those ports. When I turn off NAT and turn bridged networking on I get an error. The VM fails to boot, with a dialog popping up (title: VirtualBox - Error) that says "Failed to open a session for the virtual machine UbuntuServer. Configuration error: Failed to get MAC address (VERR_CFGM_VALUE_NOT_FOUND). I'm hoping that once this is resolved then samba will work ok :) Any advice on this would be great (how to fix it would be wonderful, next steps for troubleshooting would be great, too :) )

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  • CUPS causes printer to click and doesn't print

    - by Pez Cuckow
    I'm suffering a strange problem with my Cannon iP4850 when trying to use CUPS on a Raspberry Pi (this is not RPi specific, please do not vote to move it). When I plug the printer into my Laptop (OSX) or my Desktop W7 it identifies as a iP4800 and prints perfectly. So I plug it into the Pi (running debian), set it up in CUPS enable sharing and can now see the iP4800 series shared on the network. However if I print to it (using AirPrint etc...); the file gets to CUPS safely (shows in the queue) but when it tries to print the printer clicks (like a loud thunk) 3/4 times and then gives in, with a double amber flashing light. In cups it shows as job completed. Do you know why using the pi and cups would cause what appears to be a hardware fault and what I can do to fix the problem or to provide further debug info? Thanks for your time! Description: Canon iP4800 series Location: Lounge Driver: Canon PIXMA iP4800 - CUPS+Gutenprint v5.2.9 (color, 2-sided printing) Connection: usb://Canon/iP4800%20series?serial=2239B2 Note: I've tried deleting and re-adding the printer to the Laptop, Desktop and PI and the results are always the same Log for plugging in printer and printing (attempting to) something until the printer turned off again pi@pezpi /var/log $ dmesg [ 7284.176336] usb 1-1.2: new high speed USB device number 8 using dwc_otg [ 7284.279703] usb 1-1.2: New USB device found, idVendor=04a9, idProduct=10d5 [ 7284.279750] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 7284.279771] usb 1-1.2: Product: iP4800 series [ 7284.279786] usb 1-1.2: Manufacturer: Canon [ 7284.279800] usb 1-1.2: SerialNumber: 2239B2 Setting cups to verbose: Change loglevel in cupsd.conf to debug (or debug2) pi@pezpi /var/log $ sudo vim /etc/cups/cupsd.conf pi@pezpi /var/log $ sudo /etc/init.d/cups restart [ ok ] Restarting Common Unix Printing System: cupsd. pi@pezpi /var/log $ Log from $ /var/log/cups/error_log is at http://pastebin.com/7VZMRMrG (too large to post here) The log contains - in order (deleted the log and then did the beneath) Restarting the cups server Attempting to print a test page x2 Printing from 192.168.1.90 via AirPrint Printing from 192.168.1.90 via Network Print Turning the printer off and on again

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  • Debootstrap Ubuntu over NFS leads to mknod I/O error

    - by Aaron B. Russell
    Hi everyone, I'm trying to prepare an Ubuntu environment for a diskless machine that will PXE boot and mount an NFS share as it's root. I've currently got another Ubuntu machine mounting the NFS share and I'm trying to debootstrap into it, but it has trouble creating devices over NFS: root@kimiko:~# mount | grep Seiuchi 192.168.0.203:/mnt/user/Seiuchi on /mnt type nfs (rw,addr=192.168.0.203) root@kimiko:~# debootstrap --arch i386 maverick /mnt http://gb.archive.ubuntu.com/ubuntu/ mknod: `/mnt/test-dev-null': Input/output error E: Cannot install into target '/mnt' mounted with noexec or nodev My NFS rule on the unRAID server is 192.168.0.201/32(rw,no_root_squash,sync). I don't have the noexec or nodev options set. I've not got much experience with NFS, so I'm probably missing something basic in the way I'm sharing this, but my attempts at Googling for an answer isn't really turning anything useful up. Does anyone have suggestions on what I might have missed or maybe relevant docs? Edit: Creating normal files (and directories) works just fine, I just can't create devices... root@kimiko:/mnt# mkdir foo root@kimiko:/mnt# cd foo root@kimiko:/mnt/foo# touch bar root@kimiko:/mnt/foo# mknod quux c 4 64 mknod: `quux': Input/output error root@kimiko:/mnt/foo# ls bar

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  • Epson Artisan 800 on Ubuntu/Linux

    - by Tim Lytle
    Update for Ubuntu 10.04: Printing should work 'out-of-box', scanning still needs the newer sane backend. Looking for a known good way to setup an Epson Artisan 800 on Ubuntu specifically or any linux box in general. It is a printer/scanner with ethernet/wifi/usb. I'd like to use it as a network printer/scanner being able to do both from my Windows and Ubuntu machines; however, if it needs to be physically connected to a computer (preferably the Ubuntu machine) that is doable (again, then sharing print/scan functions to the network). Basically, I'm looking for someone who has used this printer/scanner (or similar) in a multi-platform environment to share how the set it up and how well it worked. Updated: A little more information, like most printers (I expect) the documentation for the printer basically says, "don't use plug-n-play, run our setup CD from your Windows/Mac system", to do anything (set it up for network use even). I guess that's to make it easy for anyone else to setup, but when you're looking to use it with an unsupported (by Epson's documentation) OS, you're just stuck on your own. What I was hoping for was someone who could say, "Forget the bundled software, do [this] to set it up on wifi manually, install [this] to connect to the scanner from [os], printing works with [this] driver - at least that's how I set it up." I'll will (and have so far) use the information here, and post my own setup when I'm done, if there's no one else out there with that experience.

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