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  • Mounting fuse sshfs fails when invoked by Cron on FreeBSD 9.0

    - by Tal
    I have a remote server filesystem that I'm attempting to mount locally on a FreeBSD 9 machine via FUSE sshfs, and Cron for a backup routine. I have ssh keys between the boxes setup to allow for passwordless login as the root user on the local machine. Cron is set to run the following script (in Root's crontab): #!/bin/sh echo "Mounting Share" /usr/local/bin/sshfs -C -o reconnect -o idmap=user -o workaround=all <remote user>@<remote domain>.com: /mnt/remote_server As root, I can run this script on the command line without issue, and without being asked for a password the share mounts successfully. Yet, when run by Cron the script fails. The path to sshfs is identical to the value of which sshfs Here is the email root receives from the Cron Daemon: X-Cron-Env: <SHELL=/bin/sh> X-Cron-Env: <HOME=/root> X-Cron-Env: <PATH=/usr/bin:/bin> X-Cron-Env: <LOGNAME=root> X-Cron-Env: <USER=root> Mounting Share fuse: failed to exec mount program: No such file or directory fuse: failed to mount file system: No such file or directory I'm stumped as to why I'm receiving No such file or directory in this instance. It further seems odd given that the paths appear to be correct. I've also attempted to compare the output of env on the shell with env inserted into the script. I don't see any environment variables that should cause this trouble. At bootup, FUSE reports its version as: fuse4bsd: version 0.3.9-pre1, FUSE ABI 7.8 Help me ServerFault wizards, you're my only hope!

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  • How to (properly) back up a live QEMU/KVM VM?

    - by Roman
    I'm currently engineering a backup solution for KVM VM's as an additional measure to traditional backups. Unfortunately, all currently (August 2013) existing solutions I came across so far either: do not ensure a consistent backup of the VM (losing RAM state, creating a dirty image, or other things), or require lengthy downtime (complete VM shutdown while backing up). I'm aware of QEMU/libvirt's functionality of taking snapshots, however, it's not yet usable since: image-internal snapshots present you with an ever-changing image file, resulting in a likely dirty backup (assuming one uses qcow2 images at all). one cannot yet merge a currently active external snapshot into the original backing image ("blockcommit"). Out of the above reasons, I'm now implementing a script that: Saves the VM's state and halts it Sets up a devicemapper snapshot(s) where the VM's disk images and state reside Resumes the VM Mount the snapshot(s) of step 2. Backs up the VM's disk and state (configuration for convenience) Merges back the snapshot(s). If I got everything right, this will take consistent backups of VM's with only seconds (if at all, since 1-3 is fast, possibly sub-second) of downtime. Of course, when restoring, the VM will be way in the past, but at least giving me the option of an orderly shutdown/reboot. Am I missing something with this solution? Or has someone indeed already implemented this?

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  • Can I disable the message line when launching ``screen -RR``

    - by Jimm Chen
    screen -RR is great. It does one of the two thing automatically: If there is any detached screen session, it picks up one can attach to it. If there is no detached screen session(no session yet, or all have been attach to other terminal), it creates a new screen session automatically. I use Windows server Remote Desktop a lot, screen -RR behaves almost the same when a client connects to a remote desktop server. It is natural and I like it. However, when screen -RR determines it should create a new session, it displays a message line at terminal bottom for 5 second. I'd like to suppress this message line because it brings us little benefit. In my opinion, a remote user can always easily distinguish whether he is connected to a resumed session(a piled-up display) or a newly created session(a clean display) from what he sees in the terminal window. So, is there a way to suppress the nag "New screen..." ? Just suppress that very one, not suppress message line globally. My env: opensuse 11.3, GNU screen 4.00.03 (FAU) 23-Oct-06

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  • Problems with Net::FTP slowing down

    - by c0bra
    I'm running into an issue with using Net::FTP (latest version 2.77) to transfer files to a remote host where a process is waiting to take the file and feed into some other system. The remote process does this every 5 minutes but ignores files that were modified in the last 0.2 seconds (that's right, 1/5th of a second). The problem is that for some reason the transfer seems to halt or slow down a bit and no data is transferred for several seconds and during this time the process picks up the incomplete file and removes it. The weird thing is that manually using the ftp binary the file seems to transfer fine. I've tried messing with all of the Net::FTP switches (Active/Passive, different Blocksizes) and nothing seems to help. What's also weird is that the file seems to transfer fairly quickly at first and on occasion a bit into the transfer. Like 300-500k will go up immediately, but then it slows down to where the file size is only increasing by 2,896 bytes every several seconds. It doesn't seem to happen when I try sending the file to a different remote host, but since a regular manual ftp transfer works with this host I don't know what to think. Some combination of Net::FTP and possibly a slow or wonky connection?

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  • Disaster Recovery Standby Server

    - by user64300
    Hi, I work for a small business with 25 users and 2 servers. 1 server is the DC running Windows Server 2003/Exchange 2003. We want a reliable disaster recovery strategy for this server without having to spend a lot of money. We take regular backups but I have been advised that only an identical server will allow them to be restored easily. I'm trying to come up with a solution that means we don't have to buy two servers at twice the cost everytime we upgrade. I'm toying with the idea of upgrading our DC more frequently (say every 3 years) and then using the old server as the recovery server (temporarily - until we can source a replacement server). However, I won't know whether the backups will restore on the old server until I try it! We're planning to upgrade to Server 2008R2 in the near future so I'm hoping the backup tools will give me some success in restoring to different hardware (or perhaps I can use hyper-v if not). So what I am wondering is whether it is a idea to use old hardware as a disaster recovery strategy (providing we regular test it obviously!).

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  • SQL Server Replication Backup

    - by user18039
    Hi We have a new system that runs on SQL Server 2008 r2 64-bit. There is a primary on-line transactional processing (OLTP) database that accepts a high volume of updates from several thousand Point of Sale systems at stores around the country. In order to protect this vital function, I have decided to introduce a dedicated reporting database server - from which multiple users will run some pretty complex reports. I realise that there were a number of choices but I decided to use Transaction Replication as the mechanism for copying the data from the OLTP database to the new reporting database - one way replication. The solution has worked well in test. I'm now being asked what changes need to be made to the backup policy to cover the architectural changes. I have read pages such as MSDN:Strategies for Backing Up and Restoring Snapshot and Transactional Replication but I think these are overkill for my solution. In fact, my current thinking is that we simply need to continue making backups of the OLTP data and logs. If the Reporting db or any of the system replication (eg distribution) databases fail then it's no big deal - we can clear all down then re-create the replication. I realise that taking a complete snapshot of the OLTP would be time consuming (approx 5 hours) but I'd be more relaxed about this that trying to restore backups of the various data and log files in the correct sequence. My view is that the complex strategies set out in the MSDN article would only be the way to go for a more complex replication solution than I have, eg if there were multiple subscribers with 2-way replication. Would you agree? I'd be grateful for any advice. Many thanks, Rob.,

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  • Run as another user, but also as administrator

    - by Tewr
    I am trying to debug a virtual machine (VM) running on a remote computer from my workstation (A). Both VM and A are running Windows 7 Enterprise. Apparently, I need to start the Remote Debugger Service (RDS) on VM as an administrator. Apparently, I also need to run RDS as the user Tewr logged in on A (domain: DOM). VM runs the services i need to debug, as well as the remote desktop interface with an account VMUSER in a domain called VMDOMAIN. I manage to start RDS as administrator, but then the RDS process is owned by VMUSER and that's not good enough. I also manage to run RDS as DOM\Tewr, but then not as an administrator. I have Added DOM\Tewr as an administrator on VM, but thats not good enough becuase the process is still not run as administrator. How can I run the RDS process as DOM\Tewr and "As Administrator", while logged on in windows as VMDOMAIN\VM? (note: I have tried creating an account with the same credentials / password as VMUSER, as hinted in the ms article above, but with no luck...)

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  • How to access Virtual machine using powershell script

    - by Sheetal
    I want to access the virtual machine using powershell script. For that I used below script, Enter-PSSession -computername sheetal-VDD -credential compose04.com\abc.xyz1 where, sheetal-VDD is hostname of virtual machine compose04.com is the domain name of virtual machine and abc.xyz1 is the username of virtual machine After entering above command , it asks for password. When the password is entered I get below error, Enter-PSSession : Connecting to remote server failed with the following error message : WinRM cannot process the reques t. The following error occured while using Kerberos authentication: There are currently no logon servers available to s ervice the logon request. Possible causes are: -The user name or password specified are invalid. -Kerberos is used when no authentication method and no user name are specified. -Kerberos accepts domain user names, but not local user names. -The Service Principal Name (SPN) for the remote computer name and port does not exist. -The client and remote computers are in different domains and there is no trust between the two domains. After checking for the above issues, try the following: -Check the Event Viewer for events related to authentication. -Change the authentication method; add the destination computer to the WinRM TrustedHosts configuration setting or us e HTTPS transport. Note that computers in the TrustedHosts list might not be authenticated. -For more information about WinRM configuration, run the following command: winrm help config. For more information, see the about_Remote_Troubleshooting Help topic. At line:1 char:16 + Enter-PSSession <<<< -computername sheetal-VDD -credential compose04.com\Sheetal.Varpe + CategoryInfo : InvalidArgument: (sheetal-VDD:String) [Enter-PSSession], PSRemotingTransportException + FullyQualifiedErrorId : CreateRemoteRunspaceFailed Can someone help me out in this?

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  • Server taking too long to respond error

    - by DCJones
    Hi, This is my first post on serverFault and my first entry in to web server configuration. The hardware and software. CPU: GenuineIntel, Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz OS: Linux 2.6.18-128.el5 Memory: 2Gb Background. I am running a small database (MySQL), around 1000 records with each record containing 44 fields. At the start of each day “00:01” the tables are cleared and populated with fresh data. The are 10 remote PCs all running Winodws XP and Firefox internet browser. All remote PC’s are connected to the internet using a min 4Gb broadband connection. Each remote PC runs a URL which displays a dynamic page of data which is refreshed every 20 seconds. This is a continual process 24 hours a day. I problem I am having is on odd occasions throughout the day the PC browser error with “Server taking too long to respond error”. What I am trying to find our is if I have the correct setting in the httpd.conf file on the server. Any help or advice anyone can provide would be very helpful. Best regards Dereck Server config file: httpd.conf ServerRoot "/etc/httpd" PidFile run/httpd.pid Timeout 120 KeepAlive On MaxKeepAliveRequests 200 KeepAliveTimeout 5 StartServers 8 MinSpareServers 5 MaxSpareServers 20 ServerLimit 256 MaxClients 254 MaxRequestsPerChild 4000 StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 150 ThreadsPerChild 25 MaxRequestsPerChild 0

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  • How to backup Servers to an SSH-Host with low traffic and access to versions and encryption?

    - by leto
    Hello, I've not run backups for the past dont't remember anymore years for my personal stuff until waking up lately and realising contrary to my prior belief: Actually. I care! :) Now I have a central data server at home where I want to attach an external media to, to which I want to save backups of my most important stuff, like years of self-written scripts, database dumps, you name it. I've tinkered with rsync+ssh over the last two years, also tried tar over ssh, but don't know the simplest and most easy to maintain way to do it yet. Heres my workload: A typical LAMP-Server (<5GB Data) which I'd like to backup fully so lots of small files connected via 10Mbit My personal stuff (<750GB Data) from a Mac connected via GE My passwords in an encrypted container (100Mb) from OpenBSD connected via serial-PPP My E-Mail from the last ten years (<25GB) as Maildir which I need to keep in readable format Some archives (tar.*) which I need to backup only once and keep in readable format (Deleted my ideas, as I'm here for suggestions) What I need: 1. Use an ssh-tunnel for data transfer 2. Be quick with lots of small files 3. Keep revisions 4. Be sure the data I save is not corrupted 5. Intelligent resume functions and be able to deal with network congestion :) 6. Compressed and optionally encrypted storage 7. Be able to extract data from backup easily (filesystem like usage would be nice) How would and with what software would you backup this stuff? Hints to tools that can help solve only part of my problem (like encryption) also greatly appreciated. Greets

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  • How to make a redundant desktop system with daily snapshots? (Is btrfs ready for use?)

    - by TestUser16418
    I want to configure a desktop system in which the home filesystem would be redundant (e.g. RAID-1), and would have weekly snapshots taken. I've already done this with ZFS, the snapshot system is wonderful, and with send/recv you can easily create backups on external media. Unfortunately, at that point, I want GNU+Linux and not FreeBSD or Solaris, so I'm looking for suggestions for good alternatives. I reckon that my alternatives are: btrfs - it seems to be exactly what I need, it has snapshots and commands that allow you to easily replicate zfs send. Yet all documentation mentions that it's still experimental. I can't seem to find any actual reports on its reliability or usability issues. Can you point me to any information on that issue that could clarify whether it would be a possible choice? I have a large preference for this option, mostly because I don't want to reformat the drives when btrfs becomes ready, but I there's no information on whether it's usable at all, whether it's a silly idea to use it, etc. The question that I cannot get the answer to is what does "experimental" mean. lvm snapshots and ext4 - preferably not, since it can consume an awful amount of space when new files are created. Creating 200 GB files requres 200 GB free space and 200 GB additionally for snapshots. I also have found it unreliable -- failed metadata rewrite results in an unreadable PV. I'm wondering how btrfs would compare here. A single filesystem (ext4) on a RAID-1 array with custom COW snapshots with hardlinks (like cp -al). That's my current preference if I can't use btrfs. So how experimental btrfs is, which should I choose, and do I have any other options? What if I don't keep external incremental backups, would that affect my choice?

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  • Route all traffic of home network through VPN

    - by user436118
    I have a typical semi advanced home network scenario: A cable modem - eth A wireless router (netgear n600) eth and wlan A home server (Running ubuntu 12.04 LTS, connected over wlan) A bunch of wireless clients (wlan) Lying around I have anoher cheaper wlan router, and two different USB wlan NIC's that are known to work with Linux. ACTA struck. I want to route ALL of my WAN traffic through a remote server through a VPN. For sake of completition, lets say there is a remote server running debian sqeeze where a VPN server is to be installed. The network is then to behave so that if the VPN is not operative, it is separated from the outside world. I am familiar with general system/network practices, but lack the specific detailed knowledge to accomplish this. Please suggest the right approach, packages and configurations you'd use to reach said solution. I've also envisioned the following network configuration, please improve it if you see fit: ==LAN== Client ip:10.1.1.x nm:255.0.0.0 gw:10.1.1.1 reached via WLAN Wlan router 1: ip: 10.1.1.1 nm:255.0.0.0 gw: 10.10.10.1 reached via ETH Homeserver: <<< VPN is initiated here, and the other endpoint is somewhere on the internet. eth0: ip:10.10.10.1 nm: 0.0.0.0 gw:192.168.0.1 reached via WLAN Homeserver: wlan0: ip: 192.168.0.2 nm: 255.255.255.0 gw: 192.168.0.1 reached via WLAN ==WAN== Wlan router 2: ip: 192.168.0.1 nm: 0.0.0.0 gw: set via dhcp uplink connector: cable modem Cable Modem: Remote DHCP. Has on-board DHCP server for ethernet device that connects to it, and only works this way. All this WLAN fussery is because my home server is located in a part of the house where a cable link isnt possible unfortunately.

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  • Route all traffic of home network through VPN [migrated]

    - by user436118
    I have a typical semi advanced home network scenario: A cable modem - eth A wireless router (netgear n600) eth and wlan A home server (Running ubuntu 12.04 LTS, connected over wlan) A bunch of wireless clients (wlan) Lying around I have anoher cheaper wlan router, and two different USB wlan NIC's that are known to work with Linux. ACTA struck. I want to route ALL of my WAN traffic through a remote server through a VPN. For sake of completition, lets say there is a remote server running debian sqeeze where a VPN server is to be installed. The network is then to behave so that if the VPN is not operative, it is separated from the outside world. I am familiar with general system/network practices, but lack the specific detailed knowledge to accomplish this. Please suggest the right approach, packages and configurations you'd use to reach said solution. I've also envisioned the following network configuration, please improve it if you see fit: Client ip:10.1.1.x nm:255.0.0.0 gw:10.1.1.1 reached via WLAN Wlan router 1: ip: 10.1.1.1 nm:255.0.0.0 gw: 10.10.10.1 reached via ETH Homeserver: <<< VPN is initiated here, and the other endpoint is somewhere on the internet. eth0: ip:10.10.10.1 nm: 0.0.0.0 gw:192.168.0.1 reached via WLAN Homeserver: wlan0: ip: 192.168.0.2 nm: 255.255.255.0 gw: 192.168.0.1 reached via WLAN Wlan router 2: ip: 192.168.0.1 nm: 0.0.0.0 gw: set via dhcp uplink connector: cable modem Cable Modem: Remote DHCP. Has on-board DHCP server for ethernet device that connects to it, and only works this way. All this WLAN fussery is because my home server is located in a part of the house where a cable link isnt possible unfortunately.

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  • MPMoviePlayerController & .m3u8 playlist

    - by Thierryb
    Hello, I would like to use a .m3u8 playlist containing remote mp4 files with MPMoviePlayerController, did you success with this ? Does the .m3u8 must contain .ts file ?If not what is the purpose of .ts ? Does next / previous buttons will be enable once the playlist be loaded ? If not, what is the purpose of these buttons ? And last question, do you have a .m3u8 sample file with remote mp4 file to test ? Thanks a lot for your help. Thierry

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  • C# export to excel from sql server

    - by Manish Gupta
    In my C# windows application, I am exporting sql server data to excel on remote drive. But it is too slow. However, if I export data to excel in the local drive, it is fast. How can I increase the time if I want to export data to remote drive? Thanks in advance...

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  • ReportViewer Error When AsyncRendering set to false

    - by Irman
    I have problem using reportviewer with asyncrendering set to false, the report showing this error message: "The underlying connection was closed: An unexpected error occurred on a receive. Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. An existing connection was forcibly closed by the remote host", this report is running on iis 7 and windows 7 on my local machine.

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  • Connect to an irc server with password

    - by hvtuananh
    I'm writing script in remote.ini The script looks like on 1:start:{ server some.irc.server server -m another.irc.server } The script works well as when I open mIRC, it automatically connect to 2 servers above Now, I want to connect to an irc server that require password, say abcdef How can I write script in remote.ini to connect to this server?

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  • WCF multithreaded calls

    - by Guy
    Hi all, We have developed a multithreaded server that recieves data from multiple client and calls different WCF services. There are many cases that two (or more) different clients call the server at the same and the server tries to call the remote WCF from two different threads simultaneously. We have encountered some issues, especially when the remote WCF service is down. Are we doing things correctly? is there a best practice for this scenario? thanks, Guy.

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  • fabric and svn password

    - by hyperboreean
    Assuming that I cannot run something like this with Fabric: run("svn update --password 'password' .") how's the proper way to pass to Fabric the password for the remote interactive command line? I am not sure, but the svn server we're using might have some restrictions to not allow --non-interactive passwords and I couldn't find a way to automatically update a remote repo.

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  • Accessing Sharepoint 2007 documents outside network

    - by Ruby
    Hello, I just installed MOSS 2007 and configure it on a machine. The machine is not in a domain. When I try to create a new document in my document library (Server is on a remote location and my laptop is not a part of the domain), MS Word 2007 opens, asks me for login credentials 3 times and then disappears leaving me with a new blank word document. Is there any way to enable remote access of MOSS 2007 documents? Thanks :)

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  • Mercurial on IIS7 connection timeout.

    - by Ronnie
    I configured Mercurial on IIS 7 and I am able tu push and pull without problems some test files. If I try tu push a bigger repository I get for the hg push command line this error : abort: error: An existing connection was forcibly closed by the remote host From Tortoise HG I get some more detail: lopen error [Errno 10054] An existing connection was forcibly closed by the remote host Is seemed to me some kind of connection timeout for the CGI but I extended the cgi timeout properties in IIS7 configuration. What could be the problem?

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  • How do I detect a connection break using MessageQueue

    - by Lopper
    My application written in C# makes use of the MessageQueue class in .NET for communicating messages with another remote application and the MessageQueue should always be "connected" (heartbeat present) with the remote messageQueue under all circumstances. If it is not "connected", then it signals that something is wrong and my application will need to perform some actions such as updating an event log. Is there a method in the MessageQueue class that can be used to detecting such breaks in connection?

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  • Why is file_get_contents() faster than using fsock_open()?

    - by eds
    In PHP, sometimes I want to send an HTTP request to a remote site just to look at the response headers, so I declare it all manually and use the fsock_open() function. However, this goes much slower than calling file_get_contents() with a remote URL (which loads the whole page content). Why is this? Is there a good alternative way to get just the response headers (to check if a page returns a 404 error, for example) that works as fast as file_get_contents()?

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