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  • Nginx ignores HTTP Authentication for WordPress login directory

    - by MrNerdy
    I am running WordPress in a subfolder of my domain for testing and development purposes on a VPS LEMP-stack. In order to password-protect the wp-login.php with an etxra layer, I used HTTP authentication for the wp-admin folder. The problem is that the http authentication is ignored. When the wp-login.php or wp-admin-folder is called, it goes directly to the normal WordPress-login. I installed everything from the command line in the following way: sudo apt-get install apache2-utils sudo htpasswd -c /var/www/bitmall/wp-admin/.htpasswd exampleuser New password: Re-type new password: Adding password for user exampleuser My Nginx configuration file looks like this: server { listen 80; root /var/www; index index.php index.html index.htm; server_name example.com; location / { try_files $uri $uri/ /index.html; } location /bitmall/wp-admin/ { auth_basic "Restricted Section"; auth_basic_user_file /var/www/bitmall/wp-admin/.htpasswd; } location ~ /\.ht { deny all; } error_page 404 /404.html; error_page 500 502 503 504 /50x.html; location = /50x.html { root /var/www; } # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 location ~ \.php$ { try_files $uri =404; fastcgi_pass unix:/var/run/php5-fpm.sock; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; } } I would appreciate your advive on this.

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  • Does Windows XP automatically reassemble UDP fragments?

    - by Matt Davis
    I've got a Windows application that receives and processes XML messages transmitted via UDP. The application collects the data using Windows "raw" sockets, so the entire layer 3 packet is visible. We've recently run across a problem that has me stumped. If the XML messages (i.e., UDP packets) are large (i.e., 1500 bytes), they get fragmented as expected. Ordinarily, this will cause the XML processor to fail because it attempts to process each UDP packet as if it is a complete XML message. This is a known short-coming in the system at this stage of its development. On Windows 7, this is exactly what happens. The fragments are received and logged, but no processing occurs. On Windows XP, however, the same fragments are seen, and the XML processor seems to handle everything just fine. Does Windows XP automatically reassemble UDP fragments? I guess I could expect this for a normal UDP socket, but it's not expected behavior for a "raw" socket, IMO. Further, if this is the case on Windows XP, why isn't the behavior the same on Windows 7? Is there a way to enable this?

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  • Mac OS X Client With Static DHCP Assignment Requests Wrong IP via Option 50

    - by Starchy
    I have a number of Mac (and a few Linux) laptops getting DHCP from a Force10 layer 3 switch, the only DHCP server on the subnet. There's a global dynamic pool, and for each full-time employee's laptop I have a single IP static pool set by MAC address. One and only one of the clients, running OS X 10.7.5, consistently fails to get a static assignment. The MAC address in the static pool definition has been carefully re-checked. Running tcpdump on a mirrored port when the laptop connects, I see that it is specifically requesting 10.100.0.252 (a dynamic address): 11:32:10.108280 IP (tos 0x0, ttl 255, id 28293, offset 0, flags [none], proto UDP (17), length 328) 0.0.0.0.bootpc > broadcasthost.bootps: [udp sum ok] BOOTP/DHCP, Request from 3c:07:54:xx:xx:xx (oui Unknown), length 300, xid 0x1399da89, Flags [none] (0x0000) Client-Ethernet-Address 3c:07:54:xx:xx:xx (oui Unknown) Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Parameter-Request Option 55, length 9: Subnet-Mask, Default-Gateway, Domain-Name-Server, Domain-Name Option 119, LDAP, Option 252, Netbios-Name-Server Netbios-Node MSZ Option 57, length 2: 1500 Client-ID Option 61, length 7: ether 3c:07:54:xx:xx:xx Requested-IP Option 50, length 4: 10.100.0.252 Lease-Time Option 51, length 4: 7776000 Hostname Option 12, length 10: "host-name" END Option 255, length 0 PAD Option 0, length 0, occurs 8 I haven't been able to find any extra system prefs or unusual software on the laptop. Disabling the interface and rebooting or temporarily setting the IP manually both fail to make any difference. Any suggestions appreciated.

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  • My desktop has started overheating -- how hot is hot?

    - by Jerry
    I have a two year old desktop, some random quad core HP desktop. It used to run very quietly, but in the past month, the fans start up anytime anything "serious" is being done -- compiles, playing video, etc. Right now, speedfan and speccy report the cores are between 50C and 70C. Speedfan reports this as hot. (Nice flame icon.) Well, the system does sit on my carpet, so two weeks ago, I took off the lid, and cough *cough* it was pretty filled with dust. I got out an air can, turned on a vacuum and carefully got out all the dust that I saw on the CPU fan the case fans any fan I saw (graphics board) and blew out all the dust I could from all the circuit boards. And then I closed the case back up. It has definitely run cooler since then, but it still runs hot, and I hear high speed fan noise I never heard before. How hot is too hot? At what temps do consumer grade CPUs die? What should I be looking to do? Replace CPU fan? (It seems to work) Replace power supply fan? Assuming the dust problem is gone, where should I be looking to determine why the machine is heating up? Epilogue: After following the various pieces of advice given here, the system did run cooler, but it was still noticeably running louder (hotter) than just a few months prior. I ended up purchasing a new cpu heatsink and fan and during installation found the cooling grease from the original heatsink was just a dried, cracked layer, probably more of an insulator than heat transfer agent. With the new fan AND the new heatsink compound, the system ran much much cooler and the fan rarely turns on.

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  • How Do I Install Latest Java Plugin on Ubuntu 8.04 LTS with Custom Firefox 3.6.3?

    - by Volomike
    I have Ubuntu 8.04 LTS and will need to remain on that for awhile as I am a programmer and cannot disturb what I'm doing in the middle of a project. As you know, it doesn't want to install the latest Firefox by default and keeps me in the stone age. So, I had to install my own Firefox. I did so and with relative ease I was able to install the Flash plugin using the normal 'ln -s' technique one usually does with /usr/lib/firefox/plugins. Now I need to do a Gotomypc.com task and it requires Java -- moan -- so I need to figure out how to install Java. I downloaded and installed the latest Java plugin in /usr/java, and I do see underneath that layer of folders a plugins folder with a .so file. So, I went to /usr/lib/firefox/plugins and did this: ln -s /usr/java/jre1.6.0_20/plugin/i386/ns7/libjavaplugin_oji.so Then, I also read on the web that one has to create a ~/.mozilla/plugins folder, cd into it, and then run the same ln -s command again. Another site recommended finding one's ~/.mozilla/firefox and renaming it to ~/.mozilla/firefox.old (after you backed up your bookmarks) and then launching firefox again so that it creates ~/.mozilla/firefox and uses the new Java plugin. Well, all these attempts have completely failed and it is incredibly frustrating. I do about:plugins to see my plugins and all I get are the Flash and the default null plugin. I do not see the Java one. Also, they said on my tools menu with Firefox 3.6.3 I would see a Java Console menu and I don't see that either. I found a pluginreg.dat somewhere deep under ~/.mozilla/firefox, but it does not list the Java plugin inside -- only Flash and the null plugin. Please help me install Java. I need to help a client out and need to connect to his PC remotely with gotomypc, which requires Java inside firefox.

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  • apache2 mysql authentication module and SHA1 encryption

    - by Luca Rossi
    I found myself in a setup on where I need to enable some authentication method using mysql. I already have an user scheme. That user scheme is working like a charm with MD5 password and CRYPT, but when I turn to SHA1sum it says: [Fri Oct 26 00:03:20 2012] [error] Unsupported encryption type: Sha1sum No useful debug informations on log files. This is my setup and some info: debian6 apache and ssl installed packages: root@sistemichiocciola:/etc/apache2/mods-available# dpkg --list | grep apache ii apache2 2.2.16-6+squeeze8 Apache HTTP Server metapackage ii apache2-mpm-prefork 2.2.16-6+squeeze8 Apache HTTP Server - traditional non-threaded model ii apache2-utils 2.2.16-6+squeeze8 utility programs for webservers ii apache2.2-bin 2.2.16-6+squeeze8 Apache HTTP Server common binary files ii apache2.2-common 2.2.16-6+squeeze8 Apache HTTP Server common files ii libapache2-mod-auth-mysql 4.3.9-13+b1 Apache 2 module for MySQL authentication ii libapache2-mod-php5 5.3.3-7+squeeze14 server-side, HTML-embedded scripting language (Apache 2 module) root@sistemichiocciola:/etc/apache2/sites-enabled# dpkg --list | grep ssl ii libssl-dev 0.9.8o-4squeeze13 SSL development libraries, header files and documentation ii libssl0.9.8 0.9.8o-4squeeze13 SSL shared libraries ii openssl 0.9.8o-4squeeze13 Secure Socket Layer (SSL) binary and related cryptographic tools ii openssl-blacklist 0.5-2 list of blacklisted OpenSSL RSA keys ii ssl-cert 1.0.28 simple debconf wrapper for OpenSSL my vhost setup: AuthMySQL On Auth_MySQL_Host localhost Auth_MySQL_User XXX Auth_MySQL_Password YYY Auth_MySQL_DB users AuthName "Sistemi Chiocciola Sezione Informatica" AuthType Basic # require valid-user require group informatica Auth_MySQL_Encryption_Types Crypt Sha1sum AuthBasicAuthoritative Off AuthUserFile /dev/null Auth_MySQL_Password_Table users Auth_MYSQL_username_field email Auth_MYSQL_password_field password AuthMySQL_Empty_Passwords Off AuthMySQL_Group_Table http_groups Auth_MySQL_Group_Field user_group Have I missed a package/configuration or something?

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  • Architecture for highly available MySQL with automatic failover in physically diverse locations

    - by Warner
    I have been researching high availability (HA) solutions for MySQL between data centers. For servers located in the same physical environment, I have preferred dual master with heartbeat (floating VIP) using an active passive approach. The heartbeat is over both a serial connection as well as an ethernet connection. Ultimately, my goal is to maintain this same level of availability but between data centers. I want to dynamically failover between both data centers without manual intervention and still maintain data integrity. There would be BGP on top. Web clusters in both locations, which would have the potential to route to the databases between both sides. If the Internet connection went down on site 1, clients would route through site 2, to the Web cluster, and then to the database in site 1 if the link between both sites is still up. With this scenario, due to the lack of physical link (serial) there is a more likely chance of split brain. If the WAN went down between both sites, the VIP would end up on both sites, where a variety of unpleasant scenarios could introduce desync. Another potential issue I see is difficulty scaling this infrastructure to a third data center in the future. The network layer is not a focus. The architecture is flexible at this stage. Again, my focus is a solution for maintaining data integrity as well as automatic failover with the MySQL databases. I would likely design the rest around this. Can you recommend a proven solution for MySQL HA between two physically diverse sites? Thank you for taking the time to read this. I look forward to reading your recommendations.

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  • CentOS 5.5 remote kickstart installation stalls at "Starting install process." How to debug?

    - by ewwhite
    Hello, I'm having a difficult time with a remote CentOS 5.5 kickstart installation on an HP ProLiant DL360 G6. This is in an environment where I maintain an internal CentOS yum repository. The kickstart installation and post scripts have been tested and normally work. This hardware is also common in this environment, so I do not believe that it is a factor. Unfortunately, I'm having problems with a specific server install. The system is remote to the yum repository at a distance of 500 miles. They are connected over a private low-latency 100-megabit layer 2 connection (26ms round-trip). I'm mounting the 10mb CentOS 5 netinstall ISO image via an HP ILO remote console. The initial boot parameters are: linux ks=http://yum.abctrading.com/prop.cfg ksdevice=eth0 ip=x.x.x.x dns=x.x.x.x netmask=255.255.255.0 gateway=x.x.x.x I'm using the url --url http://ks.abctrading.com/5.5/os/x86_64/ method of installation. This quickly boots into the anaconda installer, pulls the kickstart config and formats the drives. The process eventually halts at the screen below, reading "Starting install process.". Going to the other virtual consoles give the second image below. The process stalls at this point and cannot proceed with the rest of the installation. Running the same kickstart config locally works just fine. I've tried mounting the boot ISO from the console as well as from the ILO2 command line pointing to a locally-hosted boot ISO via http. How can I debug this? Are there any options I've overlooked?

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  • PDU management interface has low availability - product flaw or isolated issue

    - by DeanB
    Our colocation provider has supplied us with APC AP7932 switched 0U PDUs as part of several cabinets they provide us. We have had a lot of trouble with the network management aspect of these PDUs, which I'll describe below. We are moving to cage space in the same datacenter, and plan to provide our own PDUs, so I'd like to determine which enterprise-grade PDUs have been reliable performers from a remote management perspective. Our colo-provided PDUs are configured to support management via an SSL web UI and via telnet. We updated the firmware on all of them to the current version as of NOV2011. They respond to pings reliably, and we have no reason to suspect a network layer issue. However, we experience frequent hangs, timeouts, disconnects, and general unavailability from the embedded management host in all of the PDUs. We occasionally have to restart the microcontroller on the PDU to recover from what appears to be an occasional hard fault. The outlets stay powered (thankfully), but the management aspect is so unreliable that it has become an ops liability - we can't be confident that we could get into the PDU to power cycle a host if we needed to. We have 3 PDUs that all exhibit identical behavior. There are many manufacturers of enterprise-grade 0U switched PDUs, all with comparable features. If I looked at the datasheet for our current PDUs, they would appear to be a good fit -- only with the benefit of suffering through using them do we know to avoid them. I'd like to avoid picking a PDU that looks fine on paper, but has similar reliability issues. What has been others' experience with switched PDUs? Is this level of flakiness normal?

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  • Durability of Websockets Server

    - by smitchell360
    I am starting to experiment with websockets. Does anyone know of a websockets server (open source or paid) that provides a durable store of the websocket "channel"? All of the examples that I have found do not address durability -- if a websockets server goes down, all "channel" data is lost. Services such as Pusher do not really discuss whether they address the durability issue (and I have not received a response from tech support yet). Happy to roll my own, but would rather not reinvent the wheel. EDIT: I'm not looking for websockets 101 information. That is readily available and understood. I'm looking for a server (open source or paid) that supports websockets and has a durable store for the websocket data so that, in the event that a server fails, a new server can take over where the original one left off. Two main purposes: 1. support failover scenarios contemplated by the websockets Network Working Group http://tools.ietf.org/html/draft-ibc-websocket-dns-srv-02#section-5.1 (most importantly so that missed messages are sent when a client connects to a failover server) 2. support scenarios where new subscribers must receive all past messages that were published. Of course this can be handled at the application layer...but that is not what I am looking for.

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  • Exchange 2010 Hub cannot deliver to Exchange 2007 Hub - "451 5.7.3 Cannot achieve Exchange Server authentication"

    - by Graeme Donaldson
    We have an existing Exchange 2007 server in Site A (exch07). I've installed an Exchange 2010 server in Site B (exch10). Both servers have the CAS, Mailbox and Hub roles. Messages sent via SMTP on exch10 which are destined for mailboxes on exch07 are queued with the "Last Error" reported in Queue Viewer as '451 4.4.0 Primary target IP address responded with: "451 5.7.3 Cannot achieve Exchange Server authentication." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts.' I've found that some people have resolved this by creating new Receive Connectors which are scoped specifically to apply to connections from the remote hub/s, but I have had no luck doing this. Specifically I created new receive connectors on both servers with the following settings: Remote IP = IP/s of remote server Authentication = "Transport Layer Security (TLS)" and "Exchange Server authentication" Permission Groups = "Exchange servers" and "Legacy Exchange Servers" This made no difference, I see the same error message. What am I missing? Update: We noticed that the Application log had this error message from MSExchangeTransportService: Microsoft Exchange could not find a certificate that contains the domain name exch07.domain.local in the personal store on the local computer. Therefore, it is unable to support the STARTTLS SMTP verb for the connector exch10 with a FQDN parameter of exch07.domain.local. If the connector's FQDN is not specified, the computer's FQDN is used. Verify the connector configuration and the installed certificates to make sure that there is a certificate with a domain name for that FQDN. If this certificate exists, run Enable-ExchangeCertificate -Services SMTP to make sure that the Microsoft Exchange Transport service has access to the certificate key. It turns out that the default self-signed certificate was no longer enabled for the SMTP service for some reason. After enabling the self-signed certificate for SMTP, we no longer get the error in the event logs, but delivery is still failing with the same error message. Update 2: I put a mailbox on exch10 and attempted to deliver a message via SMTP on exch07 and I get the same error.

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  • Troubleshooting loss of network connectivity in Windows 2003 - What else to check?

    - by Benny
    We are facing a weird problem in our data center. Our Backup server (running EMC Networker) loses network connection every alternate day around 3:00 AM (Backup schedule starts at midnight). After 2 hours of outage, the network connectivity recovers automatically and back to normal. What we observed: It is unlikely to be network issue, since it is directly connected to server farm switch (layer 2 connection without any intermediate hops). Further, the server is connected to two different switches for Load balancing using Broadcomm Teaming. a) If it were a switch related issue it is unlikely that both the network ports go down, since they are connected to different switch. b) A possibility Vlan wide issue is also ruled out since other devices in the same Vlan are fine. c) Switch interface status is always up. But there are lot of packet drops during the outage period - Can be attributed to high interface utilization of the backup server (near 100%) d) Connectivity is restored without any change on network. Next suspect is resource utilization on Windows server. Both CPU and Memory have rarely exceeded 80%, but NIC card utilization is alarmingly high (near 100%) Not really sure how to investigate this?

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  • Forwarding HTTP Request with Direct Server Return

    - by Daniel Crabtree
    I have servers spread across several data centers, each storing different files. I want users to be able to access the files on all servers through a single domain and have the individual servers return the files directly to the users. The following shows a simple example: 1) The user's browser requests http://www.example.com/files/file1.zip 2) Request goes to server A, based on the DNS A record for example.com. 3) Server A analyzes the request and works out that /files/file1.zip is stored on server B. 4) Server A forwards the request to server B. 5) Server B returns file1.zip directly to the user without going through server A. Note: steps 4 and 5 must be transparent to the user and cannot involve sending a redirect to the user as that would violate the requirement of a single domain. From my research, what I want to achieve is called "Direct Server Return" and it is a common setup for load balancing. It is also sometimes called a half reverse proxy. For step 4, it sounds like I need to do MAC Address Translation and then pass the request back onto the network and for servers outside the network of server A tunneling will be required. For step 5, I simply need to configure server B, as per the real servers in a load balancing setup. Namely, server B should have server A's IP address on the loopback interface and it should not answer any ARP requests for that IP address. My problem is how to actually achieve step 4? I have found plenty of hardware and software that can do this for simple load balancing at layer 4, but these solutions fall short and cannot handle the kind of custom routing I require. It seems like I will need to roll my own solution. Ideally, I would like to do the routing / forwarding at the web server level, i.e. in PHP or C# / ASP.net. However, I am open to doing it at a lower level such as Apache or IIS, or at an even lower level, i.e. a custom proxy service in front of everything. Thanks.

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  • Looking for an application to record audio and video on a linux "embedded" device

    - by Luke404
    I am working with a linux x86 device with limited CPU resources (as a prototype we just use a pentium-m netbook). We'd like to record video from one V4L2 device (we'll probably end up using just USB Video Class devices like all modern webcams) and one audio stream from an ALSA source. The thing will not have screen and keyboard, and obviously no X11 environment. Goals are: do as little work as possible to cope with little cpu resources - for example I'd like to record video in the native MJPEG I get out of the UVC devices encoding audio to MPEG3 Layer-2 (aka mp2) is ok since it let us save a lot of space (compared to raw pcm samples) and does use little cpu power I don't mind loosing some video frames here and there (UVC devices do that) as long as I can get audio and video streams syncronized not require user input to start the thing (a python script takes care of initialization, startup, shutdown, etc...) be able to open the resulting files for postprocessing without too much effort (ie, if mplayer or vlc can play it, it's fine) So far the only app I found that could be started from command line and record V4L2 video + ALSA audio is mencoder but I'm having some difficulties with it. It should be able to do that but I cannot record audio and video together - just one of the two. And if I use two different processes to record to two different files I have no means to get them in sync (audio is more or less always correct, but video framerate will vary over time and it seems to lack timestamps to correctly play it back to the correct time). Long story short, how do you record an unconverted MJPEG stream (from an UVC device) and an audio stream (from an ALSA device, possibly encoding to any standard format) using a command line tool, to a single file (MPEG or any other container), keeping audio and video in sync?

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  • linux hardware raid 10 / lvm / virtual machine partition alignment and filesystem optimization

    - by Jason Ward
    I've been reading everything I can find about partition alignment and filesystem optimization (ext4 and xfs) but still don't know enough to be confident in setting up my current configuration. My remaining confusion comes from the LVM layer and if I should use raid parameters on the filesystem in guest os'es. My main questions are: When I use 'pvcreate --dataalignment' do I use the stripe-width as calculated for a filesystem on RAID (128kB for ext4 in my situation), the Stripe size of the RAID set (256kB), something else altogether, or do I not need this? When I create ext2/3/4 or xfs filesystems in guests on the Logical Volumes, should I add the settings for the underlying RAID (e.g. mkfs.ext4 -b 4096 -E stride=64,stripe-width=128)? Does anyone see any glaring errors in my set up below? I'm running some benchmarks now but haven't done enough to start comparing results. I have four drives in RAID 10 on a 3ware 9750-4i controller (more details on the settings below) giving me a 6.0TB device at /dev/sda. Here is my partition table: Model: LSI 9750-4i DISK (scsi) Disk /dev/sda: 5722024MiB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1.00MiB 257MiB 256MiB ext4 BOOTPART boot 2 257MiB 4353MiB 4096MiB linux-swap(v1) 3 4353MiB 266497MiB 262144MiB ext4 4 266497MiB 4460801MiB 4194304MiB Partition 1 is to be the /boot partition for my xen host. Partition 2 is swap. Partition 3 is to be the root (/) for my xen host. Partition 4 is to be (the only) physical volume to be used by LVM (for those who are counting, I left about 1.2TB unallocated for now) For my Xen guests, I usually create a Logical Volume of the needed size and present it to the guests for them to partition as needed. I know there are other ways of handling that but this method works best for my situation. Here's the hardware of interest on my CentOS 6.3 Xen Host: 4x Seagate Barracuda 3TB ST3000DM001 Drives (sector size: 512 logical/4096 physical) 3ware 9750-4i w/BBU (sector size reported: 512 logical/512 physical) All four drives make up a RAID 10 array. Stripe: 256kB Write Cache enabled Read Cache: intelligent StoreSave: Balance Thanks!

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  • Cannot browse remote networks even with WINS configured

    - by paradroid
    As the NetBIOS protocol acts on Layer 2 and so is not routable, In order to enable network browsing of remote networks, WINS has been installed and configured on two domain controllers, both of which are on different networks. The WINS servers seem to be replicating with eachother, and each has 127.0.0.1 set as the Primary WINS Server in each of their LAN interface properties, with nothing entered for Secondary WINS Server. The DC which holds the PDC Emulator FSMO role has the Computer Browser service running and set to Auto start, and it has the WINS/NBT node type network setting at 0x8 (H-node - Hybrid node). Remote network browsing does not work. Is the WINS/NBT node type correct for this scenario? The reason why I think it may not be the right one is because I set the DHCP Server's 046 WINS/NBT node type option to 0x8 as well, after which the DHCP clients started to disappear from the Network folders. When that option is not set, does it default to B-node (Broadcast node)? Or could it be a problem with the WINS servers setup?

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  • how to set cache control to public in iis 7.5

    - by ivymike
    I'm trying to set cache control header to max age using the following snippet in my web.config: <system.webServer> <staticContent> <clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="1.00:00:00" /> </staticContent> </system.webServer> Some how this isn't being reflected in the response. Instead I see a Cache-Control: private header on the responses. I'm using NancyFx framework (which is a layer on top of Asp.net). Is there any thing else I need to do ? Below are the reponse headers I receive: HTTP/1.1 200 OK\r\n Cache-Control: private\r\n Content-Type: application/x-javascript\r\n Content-Encoding: gzip\r\n Last-Modified: Mon, 19 Mar 2012 16:42:03 GMT\r\n ETag: 8ced406593e38e7\r\n Vary: Accept-Encoding\r\n Server: Microsoft-IIS/7.5\r\n Nancy-Version: 0.9.0.0\r\n Set-Cookie: NCSRF=AAEAAAD%2f%2f%2f%2f%2fAQAAAAAAAAAMAgAAADxOYW5jeSwgVmVyc2lvbj0wLjkuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPW51bGwFAQAAABhOYW5jeS5TZWN1cml0eS5Dc3JmVG9rZW4DAAAAHDxSYW5kb21CeXRlcz5rX19CYWNraW5nRmllbGQcPENyZWF0ZWREYXRlPmtfX0JhY2tpbmdGaWVsZBU8SG1hYz5rX19CYWNraW5nRmllbGQHAAcCDQICAAAACQMAAADTubwoldTOiAkEAAAADwMAAAAKAAAAAkpT5d9aTSzL3BAPBAAAACAAAAACPUCyrmSXQhkp%2bfrDz7lZa7O7ja%2fIg7HV9AW6RbPPRLYLAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA%3d; path=/; HttpOnly\r\n X-AspNet-Version: 4.0.30319\r\n Date: Tue, 20 Mar 2012 09:44:20 GMT\r\n Content-Length: 1624\r\n

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  • Free tiered storage automation in linux?

    - by NginUS
    I have a couple virtualized fileservers running in QEMU/KVM on ProxmoxVE. The physical host has 4 storage tiers with significant performance variances. They're attached both locally and via NFS. These will be provided to the fileserver(s) as local disks, abstracted into pools, and handling multiple streams of data for the network. My aim is for this abstraction layer to intelligently pool the tiers. There's a similar post on the site here: Home-brew automatic tiered storage solutions with Linux? (Memory - SSD - HDD - remote storage) in which the accepted answer was a suggestion to abandon a linux solution for NexentaStor. I like the idea of running NexentaStor. It almost fits the bill. NexentaStor provides Hybrid Storage Pools, and I love the idea of checksumming. 16TB without incurring licensing fees is a huge plus as well. After the expense of the hardware, free is about all my budget can handle. I don't know if zfs pools are adaptive or dynamically allocated based on load, but it becomes irrelevant since NexentaStor doesn't support virtio network or block drivers, which is a must in my environment. Then I saw a commercial solution called SmartMove: http://www.enigmadata.com/smartmove.html And it looks like a step in the right direction, but I'm so broke I'd be wasting their time to even ask for a quote, so I'm looking for another option. I'm after a linux implementation that supports virtio drivers, and I'm at a loss as to which software is up to it.

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  • Running Debian as guest operating system on a Hyper-V VM

    - by kce
    Hello. Layer-9 considerations are prompting a migration from Citrix XenServer to Hyper-V as our shop's virtualization platform of choice. This will require me to migrate our existing virtual machines from XenServer to Hyper-V. A hand full of these VMs are running Debian. Unfortunately, Debian does not seem to be on the list of approved/supported guest operating systems. In fact it seems that running Debian as a guest operating system of is rather difficult, although apparently not impossible. I have two interrelated questions: Does anyone have any experience running a Debian guest on Hyper-V? Is it one of those things where it just will not work at all or is more along the lines of "it will probably work fine, but we won't support it". Any experience here, positive or negative, would be helpful. How much of a bad idea is it to deviate from Hyper-V's list of supported guest operating systems? Again, is it either basically asking for Bad Things (TM) to happen or is just another instance of "it will probably work fine, but we won't support it"? Or is it somewhere in the middle? Thank you.

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  • Solaris 10: cannot ping to/from server

    - by anurag kohli
    All, I have a Solaris 10 server which is not reachable by IP (ie can't ping to/from the server). I believe I have the default route setup correctly. See below: # ifconfig -a lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 bge0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2 inet 192.168.62.100 netmask ffffff00 broadcast 192.168.62.255 ether 0:14:4f:b1:9b:30 # netstat -rn Routing Table: IPv4 Destination Gateway Flags Ref Use Interface -------------------- -------------------- ----- ----- ------ --------- 192.168.62.0 192.168.62.100 U 1 40 bge0 224.0.0.0 192.168.62.100 U 1 0 bge0 default 192.168.62.1 UG 1 0 127.0.0.1 127.0.0.1 UH 1 4 lo0 # # cat /etc/defaultrouter 192.168.62.1 I have verified layer1 and layer 2 are up on the switchport, and that it's on the correct VLAN. I have also checked the default gateawy (192.168.62.1) is in fact reachable since I can ping it from my PC: Pinging 192.168.62.1 with 32 bytes of data: Reply from 192.168.62.1: bytes=32 time=1ms TTL=254 Reply from 192.168.62.1: bytes=32 time=1ms TTL=254 Reply from 192.168.62.1: bytes=32 time=3ms TTL=254 Reply from 192.168.62.1: bytes=32 time=6ms TTL=254 I'm at a loss as to what is wrong. I would highly appreciated your assistance. Thank you very much.

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  • Websockets Server with Fault-Tolerance and Durable Message Store

    - by smitchell360
    I am starting to experiment with websockets. Does anyone know of a websockets server (open source or paid) that provides a durable store of the websocket "channel"? All of the examples that I have found do not address durability -- if a websockets server goes down, all "channel" data is lost. Services such as Pusher do not really discuss whether they address the durability issue (and I have not received a response from tech support yet). Happy to roll my own, but would rather not reinvent the wheel. EDIT: I'm not looking for websockets 101 information. That is readily available and understood. I'm looking for a server (open source or paid) that supports websockets and has a durable store for the websocket data so that, in the event that a server fails, a new server can take over where the original one left off. Two main purposes: 1. support failover scenarios contemplated by the websockets Network Working Group http://tools.ietf.org/html/draft-ibc-websocket-dns-srv-02#section-5.1 (most importantly so that missed messages are sent when a client connects to a failover server) 2. support scenarios where new subscribers must receive all past messages that were published. Of course this can be handled at the application layer...but that is not what I am looking for. EDIT So, after some research the following installed options seem to be the most robust: Kaazing Migratory Migratory (http://migratory.ro) Hosted services that seem "real" Pusher (great API but no history feature yet) PubNub (has history) All of the above services have graceful fallback to other communication methods if websockets are not available. I was not able to find any open source that provided "out of the box" clustering, fail-over, and a durable message store to play back history. There are some projects that may serve as good starting points, but not exactly what I am looking for.

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  • How to check DVD integrity at max read speed of DVD writer

    - by ashishsony
    I need to check the integrity of burned DVDs so that I can be sure about my backed-up data. I use DL-DVDs to take the backup. Earlier I used VSO Inspector software for the same but the day I switched to DL-DVDs the VSO Inspector gives me errors upon checking. I think the errors are because the switching of layer writing involves some dummy data somewhere. Secondly, it's damned slow for checking. I believe if there is a utility that can read all files (not the disk surface) and report if some files are unreadable would do the job. But it should be quick! Nobody wants to sit for disk checking for 3-4 hours after a quick 30 min data burn! I am looking for such a utility on Windows or Linux. Even scripts (python, etc) will do. I just want to be assured that the data is safe. Can someone help me in this? Thanks.

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  • Google Chrome warning that Javascript is disabled

    - by kirchoffs415
    I hope somebody can help. I keep getting the following message when I log on: Your Javascript is disabled. Limited functionality is available. It will stay for maybe a day sometimes two. I have uninstalled javascript and reinstalled but still the same. I am using chrome. Any help would be grateful many thanks Dominic My system spec is as follows System InformationOS Name Microsoft® Windows Vista™ Home Premium Version 6.0.6002 Service Pack 2 Build 6002 Other OS Description Not Available OS Manufacturer Microsoft Corporation System Name DOM-PC System Manufacturer Dell Inc. System Model Inspiron 1545 System Type X86-based PC Processor Pentium(R) Dual-Core CPU T4200 @ 2.00GHz, 2000 Mhz, 2 Core(s), 2 Logical Processor(s) BIOS Version/Date Dell Inc. A05, 25/02/2009 SMBIOS Version 2.4 Windows Directory C:\Windows System Directory C:\Windows\system32 Boot Device \Device\HarddiskVolume3 Locale United Kingdom Hardware Abstraction Layer Version = "6.0.6002.18005" User Name DOM-PC\DOM Time Zone GMT Standard Time Installed Physical Memory (RAM) 3.00 GB Total Physical Memory 2.96 GB Available Physical Memory 1.38 GB Total Virtual Memory 5.89 GB Available Virtual Memory 4.25 GB Page File Space 3.00 GB Page File C:\pagefile.sys My System Specs

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  • Exchange Connector Won't Send to External Domains

    - by sisdog
    I'm a developer trying to get my .Net application to send emails out through our Exchange server. I'm not an Exchange expert so I'll qualify that up front!! We've set up a receive Connector in Exchange that has the following properties: Network: allows all IP addresses via port 25. Authentication: Transport Layer Security and Externally Secured checkboxes are checked. Permission Groups: Anonymous Users and Exchange Servers checkboxes are checked. But, when I run this Powershell statement right on our Exchange server it works when I send to a local domain address but when I try to send to a remote domain it fails. WORKS: C:\Windows\system32Send-Mailmessage -To [email protected] -From [email protected] -Subject testing -Body testing -SmtpServer OURSERVER (BTW: my value for OURSERVER=boxname.domainname.local. This is the same fully-qualified name that shows up in our Exchange Management Shell when I launch it). FAILS: C:\Windows\system32Send-Mailmessage -To [email protected] -From [email protected] -Subject testing -Body testing -SmtpServer OURSERVER Send-MailMessage : Mailbox unavailable. The server response was: 5.7.1 Unable to relay At line:1 char:17 + Send-Mailmessage <<<< -To [email protected] -From [email protected] -Subject testing -Body himom -SmtpServer FTI-EX + CategoryInfo : InvalidOperation: (System.Net.Mail.SmtpClient:SmtpClient) [Send-MailMessage], SmtpFailed RecipientException + FullyQualifiedErrorId : SmtpException,Microsoft.PowerShell.Commands.SendMailMessage EDIT: From @TheCleaner 's advice, I ran the Add-ADPermission to the relay and it didn't help; [PS] C:\Windows\system32Get-ReceiveConnector "Allowed Relay" | Add-ADPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -E xtendedRights "Ms-Exch-SMTP-Accept-Any-Recipient" Identity User Deny Inherited -------- ---- ---- --------- FTI-EX\Allowed Relay NT AUTHORITY\ANON... False False Thanks for the help. Mark

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  • What does this diagnostic output mean?

    - by ChrisF
    I recently had a fault with my broadband connection. It turned out to be a fault with the ISP's or teleco's equipment. My ISP posted this diagnostic, but while I understand it in general, I'd like to to know more about the details. I'm assuming that ATM means Asynchronous Transfer Mode and PPP means Point to Point Protocol. It was this that my router was indicating as the fault. xDSL Status Test Summary Sync Status: Circuit In Sync General Information NTE Status: NTE Power Status: Unknown Bypass Status: Upstream DSL Link Information Downstream DSL Link Information Loop Loss: 9.0 17.0 SNR Margin: 25 15 Errored Seconds: 0 0 HEC Errors: 0 Cell Count: 0 0 Speed: 448 8128 TAM Status: Successfully executed operation Network Test: Sub-Test Results Layer Name Value Status Modem pass Transmitter Power (Upstream) 12.4 dBm Transmitter Power (Downstream) 8.8 dBm Upstream psd -38 dBm/Hz Downstream psd -51 dBm/Hz DSL pass Equipment Vendor Name TSTC Equipment Vendor Id n/a Equipment Vendor Revision n/a Training Time 8 s Num Syncs 1 Upstream bit rate 448 kbps Downstream bit rate 8128 kbps Upstream maximum bit rate 1108 kbps Downstream maximum bit rate 11744 kbps Upstream Attenuation 3.5 dB Downstream Attenuation 0.0 dB Upstream Noise Margin 20.0 dB Downstream Noise Margin 19.0 dB Local CRC Errors 0 Remote CRC Errors 0 Up Data Path interleaved Down Data Path interleaved Standard Used G_DMT INP INP Upstream Symbols n/a INP Upstream Delay 4 ms INP Upstream Depth 4 INP Downstream Symbols n/a INP Downstream Delay 5 ms INP Downstream Depth 32 ATM Reason: No ATM cells received fail Number of cells transmitted 30 Number of cells received 0 number of Near end HEC errors 0 number of Far end HEC errors n/a PPP Reason: No response from peer fail PAP authentication nottested CHAP authentication nottested (I'm not sure that Super User is the best place to ask this, but two people have suggested I ask it here so here I am).

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