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• USB MFP print server that works with Windows x64?

  - by hangy

  Right now, we are using the Longshine LCS-MFP101-2 to connect to our MFP device (printer/scanner combo) over LAN. However, the required driver (RMVUSB, Remote Virtual USB) cannot be installed on 64 bit Windows operating systems such as Windows XP x64 or Windows 7 x64. Since the distributor lists the product as "phased out", I do not expect any updated 64 bit drivers any time soon. :/ Because of that, I am searching for a relatively cheap SOHO MFP print server (1 USB port should be enough) which can be used with 32 bit and 64 bit versions of Windows. Do you have any ideas or recommendations? Thanks!

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• KVM online disk resize?

  - by Eil

  We're evaluting KVM for Linux virtualization on a few projects. All is going well so far. But one of our requirements is the ability to add disk space to a running guest without rebooting or taking it offline. Is this possible with KVM? The only thing I've found so far (but have not tested yet) is the ability to hotplug disks into the machine. If I go this route, then I could always add the new disk to an LVM volume group on the guest and then extend the chosen logical volume. The biggest downside to this approach is that over time we might end up with guests having variable numbers of virtual disks. The "real" disk space would be provided to the host over a SAN, so we can always add more space to the host whenever.

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• Host name resolution on a home network

  - by Kris

  Hi, I have several machines (both virtual and physical) in my internal network at home. Currently I have to connect via 1P addresses. The one main machine I connect with to all the other machines is running Windows Vista. Is there a way I can have some sort of DNS capability inside my network as well so I can refer to these machines with a name? I think this would be a common problem in most households (running a few computers) and I think there might be some simple solutions out there. This would be something most routers should support out of the box - but why don't they? Can anyone recommend some of these or an easy way to accomplish this?

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• Host name resolution on a home network

  - by Kris

  Hi, I have several machines (both virtual and physical) in my internal network at home. Currently I have to connect via 1P addresses. The one main machine I connect with to all the other machines is running Windows Vista. Is there a way I can have some sort of DNS capability inside my network as well so I can refer to these machines with a name? I think this would be a common problem in most households (running a few computers) and I think there might be some simple solutions out there. This would be something most routers should support out of the box - but why don't they? Can anyone recommend some of these or an easy way to accomplish this?

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• What does NT_STATUS_BAD_NETWORK_NAME mean in Samba?

  - by Neil

  I set up a share like this: [global] security = user map to guest = Bad Password usershare allow guests = yes [vms] comment = VirtualBox Virtual Machines path = /home/neil/VirtualBox/HardDisks guest ok = yes read only = yes And when I access the share as myself, and type in my password, it works fine: $ smbclient //neil-ubuntu/vms -U neil Enter neil's password: Domain=[SHUTTERSTOCK] OS=[Unix] Server=[Samba 3.4.0] smb: \> But when I access it as guest, it doesn't work: $ smbclient //neil-ubuntu/vms -U guest Enter guest's password: Domain=[SHUTTERSTOCK] OS=[Unix] Server=[Samba 3.4.0] tree connect failed: NT_STATUS_BAD_NETWORK_NAME Regardless of what password I type in. Does anyone know why? Also, why does smbclient print such useless error messages?

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• Debian Squeeze Upgrade Breaks Apache SSL

  - by PP

  I upgraded my Debian from Lenny to Squeeze. BIG MISTAKE. Now I get: [Tue Feb 08 16:34:57 2011] [error] Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile] ((null):0) littered throughout /var/log/apache2/error.log. How to fix? Looking through a mess of forums it is easy to see that Apache changed the way it reads configurations around 2.2.13. Great. But not great for me or the millions of other web administrators who now have web servers that simply won't start, and an error message that says NOTHING about the problem or how to fix. Anybody else actually solved this issue? I had perfectly working virtual servers with SSL before (for years actually).

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• Apache 2.4.3 php-fpm mod_fast_cgi and mod_cache

  - by Anjia

  Did anybody successfully configured mod_cache in apache 2.4 with php-fpm and fastcgi? my cgi config: <IfModule mod_fastcgi.c> Alias /php5.fastcgi /var/www/fastcgi/php5.fastcgi AddHandler php-script .php FastCGIExternalServer /var/www/fastcgi/php5.fastcgi -socket /mnt/tmp/fast/php-fpm.sock -idle-timeout 1600 -pass-header Authorization Action php-script /php5.fastcgi virtual My php-fpm config is standard and I am loading mod_cache and mod_disk_cache in Apache. However the Apache does not seems to cache any content. The debug log file: Fri Sep 07 23:22:59.691333 2012] [cache:debug] [pid 35623:tid 123613201929984] mod_cache.c(161): [client 10.0.0.22:21938] AH00750: Adding CACHE_SAVE filter for /index.html [Fri Sep 07 23:22:59.691345 2012] [cache:debug] [pid 35623:tid 123613201929984] mod_cache.c(171): [client 10.0.0.22:21938] AH00751: Adding CACHE_REMOVE_URL filter for /index.html [Fri Sep 07 23:23:01.326598 2012] [cache:debug] [pid 35623:tid 123613185144576] cache_storage.c(626): [client 10.0.0.110:5414] AH00698: cache: Key for entity /index.html?(null) is `http://10.0.1.16:8080/index.html?`

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• network issue ubuntu 8.04 in vmware esx

  - by hoberion

  ok, this is really pissing me off I have one ubuntu 8.04 instance running on vmware (esx) which decided after a reboot to stop resolving dns requests, I also cant connect to it using ssh although I can ping the server and its really that server (when I shutdown the server the ping also stops) stuff I tried: - reboot again :) - nslookup - serverip - setting networking to dhcp - offering some cute kittens to lucifer - removing the virtual nic and adding another (to get a different mac) - migrating the instance to another esx host - drinking 20 cups of espresso - stopped all services - running dnsmasq on another server and connecting to that dns - tcpdumping - disabling ip6 symptoms: cant resolve anything nslookup just says "no servers found..." although I can ping the servers traceroute to gateway doesnt work (even with traceroute -4 -n gatewayip) collegues laughing at me any thoughts

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• Ethernet interface number changed, and old one does not exist, but does not leave IP address

  - by Sagar

  I have a virtual machine with Mandriva 2007.0 (yes, old - unfortunately we do not have a choice here). Anyway, the problem: Before reboot: active network interface = eth0. No other interfaces present, and network manager confirms this. Static IP address set to 172.31.2.22. No issues, everything working properly, routing et al. -------Reboot--------- After reboot: active network interface = eth1, with a DHCP address. Network manager shows eth0 as disconnected, and not connectable. When I try to set eth1 up with the static IP address (same one), it says "In Use". I then tried ifconfig eth0 172.31.2.29 just to free it up from the eth0 interface so I could use it with eth1 (since this is connected). Result: ifconfig eth0 172.31.2.29 SIOCSIFADDR: No such device eth0: unknown interface: No such device Nothing else changed. Any ideas what could be happening, or at least how I can get my IP address back?

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• Core Audio sound driver has an error

  - by Raj More

  I have been using Virtual DJ on my machine. The setup is where I want audio to play over the headphones and use a USB sound card to play audio into my headphones so I can listen to music before I play it for everybody. However, the last time I tried, I got an error message saying "Error in the sound driver of Core Audio. Your sound card is probably not connected, or the settings are incorrect". If I use the headphone by themselves, the USB sound card by itself, or my speakers by themselves, they all work individually. How do I go about figuring out what's wrong here?

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• Nexenta/OpenSolaris filer kernel panic/crash

  - by ewwhite

  I've an x4540 Sun storage server running NexentaStor Enterprise. It's serving NFS over 10GbE CX4 for several VMWare vSphere hosts. There are 30 virtual machines running. For the past few weeks, I've had random crashes spaced 10-14 days apart. This system used to open OpenSolaris and was stable in that arrangement. The crashes trigger the automated system recovery feature on the hardware, forcing a hard system reset. Here's the output from mdb debugger: panic[cpu5]/thread=ffffff003fefbc60: Deadlock: cycle in blocking chain ffffff003fefb570 genunix:turnstile_block+795 () ffffff003fefb5d0 unix:mutex_vector_enter+261 () ffffff003fefb630 zfs:dbuf_find+5d () ffffff003fefb6c0 zfs:dbuf_hold_impl+59 () ffffff003fefb700 zfs:dbuf_hold+2e () ffffff003fefb780 zfs:dmu_buf_hold+8e () ffffff003fefb820 zfs:zap_lockdir+6d () ffffff003fefb8b0 zfs:zap_update+5b () ffffff003fefb930 zfs:zap_increment+9b () ffffff003fefb9b0 zfs:zap_increment_int+68 () ffffff003fefba10 zfs:do_userquota_update+8a () ffffff003fefba70 zfs:dmu_objset_do_userquota_updates+de () ffffff003fefbaf0 zfs:dsl_pool_sync+112 () ffffff003fefbba0 zfs:spa_sync+37b () ffffff003fefbc40 zfs:txg_sync_thread+247 () ffffff003fefbc50 unix:thread_start+8 () Any ideas what this means?

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• Redirect example.com to www.example.com VPS & Apache2

  - by Thomas Buckley

  I have a VPS and a domain name registered with the provider. When I enter www.example.com my site is displayed correctly, but entering example.com does not work. I am able to ping www.example.com. I added the following line to my apache2 default vhosts file: ServerName example.com ServerAlias www.example.com But this did not work. The VPS is a Debian5 OS. Any ideas? Note: There is no option via a provided control panel to add this, it's a basic package I purchased I know this post answers it but there are no extra comments and I'd like to know if it's the best way: way to redirect page to www using virtual host configuration in sites-available for apache2? Thanks

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• mkisofs - Floppy Image to Disk Image

  - by CommunistPancake

  I'm trying to compile MikeOS on windows. I've successfully (I think) created a floppy (.flp) image of the operating system. I want to convert it to a disk image (.iso) so I can run it in virtual box. I've tried mkisofs -quiet -V 'MIKEOS' -input-charset iso8859-1 -o disk_images/mikeos.iso -b mikeos.flp disk_images/ Which is the command in the Linux build script. It does create an ISO image, but when I try to run in in VirtualBox, I get a black screen. What am I doing wrong? Here's my build script.

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• Add linux user with restricted access

  - by Dominik Str

  I need to create a user on linux with access rights only to one folder. Background: I have installed git on my virtual server (Debian). I also created a user for the repository. There is a lot of private data on the server. But all folders have read-access for others, because it's needed for the applications which run on the server. So the git-user can see all the data. I would like to restrict the git user only to the folder where the repository is installed. I also tried ACL, but it didn't work. Is there a better way to do this? Thanks in advance!

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• Static route in conflict with a default route

  - by Ossan Sokiv

  Hi guys, I have a default route configured. 192.168.1.0/24 dev eth1 proto kernel scope link src 192.168.1.1 I'd like to add a static route to pass traffic destined for 192.168.1.51 via a load balancer's redundant virtual interface at 192.168.1.2. ip route add 192.168.1.51 mask 255.255.255.255 via 192.168.1.2 When I try to add the static route I get this error. Error: either "to" is duplicate or "default" is garbage." It doesn't want to add the static route because it's in conflict with the default route. Is there a way around this? Regards Ossan

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• Installing Intel Rapid Storage Drivers makes my eSATA Drives act weird

  - by Filip Ekberg

  I have a HP 8530w Elitebook this Laptop got an eSATA port which I want to plug my LaCie d2 Quadra V2 1TB harddrive into. It all works well on a fresh install of Windows 7 without the Intel Chipset drivers installed. However when I install the Intel Rapid Storage drivers or the Intel Matrix software my drive seems to "disconnect" when I use it to much. I have a lot of Virtual PC's on the drive and when I start them the disk somewhat disconnects. What could cause this?

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• Connectivity good between VMs, but no connectivity between host and VM

  - by Greg Sansom

  I have a strange situation where connectivity (ie ping, access shared folders and services) is fine between virtual machines, but not between the host and the virtuals. I've been using Hyper-V almost every day for years and have never had a problem like this. Note the following: The host machine and all virtuals are running Windows Server 2008 r1. All machines can connect to the web, and the gateway router. Subnet mask and gateway reported in ipconfig are identical for all machines. I can access virtuals via the Hyper-V snap-in only. Doea anyone have suggestions about what might be wrong, or what diagnostic steps I can take?

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• ESXi 4.1 CentOS 6.X eth0 unnavailable

  - by L.K.

  I don't usually ask for help so directly, usually google have all i need but this time i'm seriously lost. Hope you can help me .s The thing is, i have a server with Vmware ESXi 4.1 and 5 already running and configured virtual servers, but whenever i try to make a new one on CentOS 6.X it leaves me without eth0 to be activated in any way. When installing CentOS, in the screen of localhost.localdomain i try by the button in the left down corner of the screen to make eth0 connect automatically but it tells me a NetworkManager Error: cannot start eth0. So...in command line once the CentOS is already installed, i have configured ifcfg-eth0 and manually tried to take up the eth0 but when i restart network service "Bringing up eth0: Failed" and sometimes even "shutting down eth0: Failed" Thanks in advance

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• Filezilla/Puttygen doesn't recognize private key file

  - by devzoner

  I have generated a key for an Ubuntu Virtual Machine running on Azure Cloud Services http://www.windowsazure.com/en-us/manage/linux/how-to-guides/ssh-into-linux/ openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout myPrivateKey.key -out myCert.pem When loading the private key into Filezilla, it asks me to convert the format, however, when converting the key it fails, the same happens with puttygen from linux console, using this: puttygen myPrivateKey.key -o myKey.ppk In both cases I have the following error: puttygen: error loading `myPrivateKey.key': unrecognised key type By the way, this key doesn't have a passphrase. I found an old thread about it, but I'm using 0.6.3 version which is newer than what this thread recommends: http://fixunix.com/ssh/541874-puttygen-unable-import-openssh-key.html I've managed to solve this issue by using another gui client Fugu for Mac, but one of my co-worker uses windows and I still have to figure this out. Since Filezilla is the de-facto ftp client, I thought it would be easier to solve it there. Thanks

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• Wired and Wireless USB Network Adapter

  - by Evan M.

  Does anyone know if there are any USB network adapters out there that have both wired and wireless networking capability? Far-fetched, I know, but thought I'd ask. Background: Some of our users have locked down laptops that we also include unlocked virtual machines running on VMware Player. Sometimes the users have a need for network connectivity with their VMs where NAT and bridged networking from the host won't work. To supplement this, we want to supply them with adapters that they can use VMware USB pass through capabilities to provide appropriate connectivity. They will need both wired and wireless capability. Rather than carrying around 2 adapters, was hoping we could get a combination unit so that we can reduce it to 1. Thanks

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• What's the difference between keepalived and corosync, others?

  - by Matt

  I'm building a failover firewall for a server cluster and started looking at the various options. I'm more familiar with carp on freebsd, but need to use linux for this project. Searching google has produced several different projects, but no clear information about features they provide . CARP gave virtual interfaces that failover, I am not really clear on whether that's what corosync does, or is that what pacemaker does? On the other hand I did get manage to get keepalived working. However, I noted that corosync provides native support for infiniband. This would be useful for me. Perhaps someone could shed some light on the differences between: corosync keepalive pacemaker heartbeat Which product would be the best fit for router failover?

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• Pfsense: Inbound Load Balancing https with sticky connection

  - by Zeux

  first of all I'm very sorry for my English... This is my scenario: Internet Firewall+LB: pfsense_1(Active) + pfsense_2(Passive) in CARP Pool servers: 3 x nginx(PHP5+HTTP+HTTPS) Pfsense 1 and 2 CARP configured with Virtual IP (pubblic). Nginx servers's ips are all private. I want to load balance inbound HTTP and HTTPS connections between the 3 nginx web servers. An importat thing is that the HTTPS connections must be "sticky connections": in HTTPS connections, after login by username and password, I setup a php session and therefore when a client starts a HTTPS connection it will be always redirected to the same nginx server, until it disconnects itself, it closes the page/browser or after a timeout (30minutes?) without activity. Is this possible whit the last release(2.0.1) of pfsense? thank you very much...

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• Can / should I prevent my domain controller doing forward lookups for remote users?

  - by markmnl

  I have a Windows Server 2003 server in the office. I VPN into the LAN remotely. My VPN has a virtual NIC with the Windows Server as the primary DNS since it is a domain controller. When connected to the VPN and I do a nslookup or simply browse the web my VPN's DNS (the office's Windows Server) provides the DNS answers - I beleive becuase it has DNS forwarders so queries it cant answer it forwards and then relays the answer. This is the desired behaviour for workstations in the office (they should query their domain controller first). However for remote VPN users this is not desirable - I do not want my remote office's server to answer DNS queries it is not the authority of (which happends to be 192.168.x.x). Is there any way I can configure this?

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• IIS7 returns 403.1 (execute access denied) for image file

  - by Kristoffer

  I have a web app running in IIS7 on Windows Server 2008. There is a virtual directory pointing to a shared folder "/Content/Data" on another machine (running Windows Server 2003), as well as a real directory "/Content/Images" on the local machine (web app sub folder). Accessing images in "/Content/Images" is no problem, but when an image (e.g. a JPEG file) in the "/Content/Data" is accessed by a browser, IIS returns this error: HTTP Error 403.1 - Forbidden: Execute access is denied. However, the web app can read and write to / from it. I assume IIS and ASP.NET are running under different user accounts? Does anyone have an idea on what I have to do to make it work? I have set the permissions on the shared folder to Everyone Full Control, with no luck.

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• Oracle on NFS vmdk beats native NFS!?

  - by fletch00

  Hi, my colleagues are pursuing this with Netapp and Oracle - but I thought I'd post here on the off chance someone else has seen this We have a RedHat 5 VM (fully up2date) running Oracle 11i with data disks mounted via the VM's linux kernel NFS using Oracle's recommended mount options and the performance is very inconsistent (Querys that should take < 2 seconds sometimes take 60 seconds) Funny thing is we can run the same queries perfectly consistently < 2 seconds on a VMDK residing on SAME NetApp NFS datastore! Makes me wish Oracle and NetApp collaborated as closely as VMware and NetApp did on the Virtual Storage Console we used to perfectly set the NFS options and keep them in compliance... We have tried a few Linux NFS options others have posted and not seen improvement so far. We are now creating VMDK's for the VM to replace the Linux NFS mounted and workaround the issue as our developers need consistent performance ASAP.

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