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Articles indexed Tuesday December 11 2012

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• How can I make this jQuery plugin chainable after all image load events have completed?

  - by BumbleB2na

  [UPDATE] Solution I decided on: Decided that passing in a callback to the plugin will take care of firing an event once all images have completed loading. Chaining is also still possible. Updated Fiddle I am building a chainable jQuery plugin that can load images dynamically. (View the following code as a JSFiddle) Html: <img data-img-src="http://www.lubasf.com/blog/wp-content/uploads/2009/03/gnome.jpg" style="display: none" /> <img data-img-src="http://buffered.io/uploads/2008/10/gnome.jpg" style="display: none" /> Instead of adding in a src attribute, I give these images a data-img-src attribute. My plugin uses the value of that to fill the src. Also, these images are hidden to begin with. jQuery plugin: (function(jQuery) { jQuery.fn.loadImages = function() { var numToLoad = jQuery(this).length; var numLoaded = 0; jQuery(this).each(function() { if(jQuery(this).attr('src') == undefined) { return jQuery(this).load(function() { numLoaded++; if(numToLoad == numLoaded) return this; // attempt at making this plugin // chainable, after all .load() // events have completed. }).attr('src', jQuery(this).attr('data-img-src')); } else { numLoaded++; if(numToLoad == numLoaded) return this; // attempt at making this plugin // chainable, after all .load() // events have completed. } }); // this works if uncommented, but returns before all .load() events have completed //return this; }; })(jQuery); // I want to chain a .fadeIn() after all images have completed loading $('img[data-img-src]').loadImages().fadeIn(); Is there a way to make this plugin chainable, and have my fadeIn() happen after all images have loaded?

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• Is this iptables NAT exploitable from the external side?

  - by Karma Fusebox

  Could you please have a short look on this simple iptables/NAT-Setup, I believe it has a fairly serious security issue (due to being too simple). On this network there is one internet-connected machine (running Debian Squeeze/2.6.32-5 with iptables 1.4.8) acting as NAT/Gateway for the handful of clients in 192.168/24. The machine has two NICs: eth0: internet-faced eth1: LAN-faced, 192.168.0.1, the default GW for 192.168/24 Routing table is two-NICs-default without manual changes: Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 (externalNet) 0.0.0.0 255.255.252.0 U 0 0 0 eth0 0.0.0.0 (externalGW) 0.0.0.0 UG 0 0 0 eth0 The NAT is then enabled only and merely by these actions, there are no more iptables rules: echo 1 > /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE # (all iptables policies are ACCEPT) This does the job, but I miss several things here which I believe could be a security issue: there is no restriction about allowed source interfaces or source networks at all there is no firewalling part such as: (set policies to DROP) /sbin/iptables -A FORWARD -i eth0 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT /sbin/iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT And thus, the questions of my sleepless nights are: Is this NAT-service available to anyone in the world who sets this machine as his default gateway? I'd say yes it is, because there is nothing indicating that an incoming external connection (via eth0) should be handled any different than an incoming internal connection (via eth1) as long as the output-interface is eth0 - and routing-wise that holds true for both external und internal clients that want to access the internet. So if I am right, anyone could use this machine as open proxy by having his packets NATted here. So please tell me if that's right or why it is not. As a "hotfix" I have added a "-s 192.168.0.0/24" option to the NAT-starting command. I would like to know if not using this option was indeed a security issue or just irrelevant thanks to some mechanism I am not aware of. As the policies are all ACCEPT, there is currently no restriction on forwarding eth1 to eth0 (internal to external). But what are the effective implications of currently NOT having the restriction that only RELATED and ESTABLISHED states are forwarded from eth0 to eth1 (external to internal)? In other words, should I rather change the policies to DROP and apply the two "firewalling" rules I mentioned above or is the lack of them not affecting security? Thanks for clarification!

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• Powershell enters foreach loop with null object

  - by SteB

  I'm listing all backups in a given directory: $backups = Get-ChildItem -Path $zipFilepath | Where-Object {($_.lastwritetime -lt (Get-Date).addDays(-7)) -and (-not $_.PSIsContainer) -and ($_.Name -like "backup*")} If I set it to deliberately return no files (.addDays(-600) then the following prints "Empty" (as expected): if (!$backups) { "Empty" } If I try to list the names with an empty $backups variable: foreach ($file in $backups) { $file.FullName; } I get nothing (as expected), if I change this to: "test"+ $file.FullName; then I get a single "test" under the "Empty". How is this possible if $backups is empty?

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• Forms authentication failed between web server and sql server

  - by Matt Bear

  I've actually found the solution, but I'm trying to understand why it failed, and why my solution fixed the problem. We have an application that uses forms authentication between a web server and sql server, web server runs server 2008, sql server runs 2008 r2, and sql server 2008. In august the sql server was patched with .net 3.5.1, the web server was untouched, and the forms authentication continued to work. 1 week ago we virtualized the web server onto our vSphere server because of failing hardware. Afterwards the form authentication failed with event code 4005, detail code 50201, The ticket supplied was invalid (on the sql server). In fact the sql server started generating Schannel errors and began blue screening 3-4 times a day. At this point I touched the sql server for the first time(ever), the errors were non specific, any reference to them I could find had to do with either zone alarm(which we don't run), or memory errors. So I applied service pack 1, which stopped the blue screening, but did not fix the forms authentication. At this point we had a work around, so we put it on the back burner while we completed another project, and I was able to get back on it last night. First thing was to adjust some code in the webconfig file on the sql server, nothing, next was regenerate and change out the machine key, still no change. Update the DNS servers, no change. Finally I went through and installed all windows updates, two reboots, (over RDP installed a network card driver which failed, and did not have my server room key, that was fun). After that, forms authentication was working again. And the sql server stopped generating as many errors, I've gotten two schannel errors since then. In short, forms authentication began failing when the web server was cloned onto a virtual machine, which caused the sql server to blue sceen? and forms authentication to fail. And could only be fixed by applying patches to the sql server?(I'm wishing I had patched the servers one at a time so I could know for sure which patch on which server fixed it). My question is why did it fail, and why did patching fix it? I hate fixing something without fully understanding the why and how.

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• How can I get the real Emailaddress of a recipient?

  - by Boas Enkler

  a user in out Company has 2 mail-addresses on one Exchange-Mailbox. e.g test@... and test1@... the Primary SMTP-address off the Mailbox is test@. If I send a message to test1@, load it using EWS and parse through the TORecipients-Collection there is exactly one emailadress. But the mailaddress EWS gives to me is test@... and not test1@... where I sent the mail. My problem is, that all mails sent to test@ should be imported in our CRM using my program. All mails sent to test1@... must not be imported. In real life both mailaddresses are from my Boss. One is used for normal purposes the other one is for confidential e.g. from his lawyer. Does anyone know how I can get the real-emailaddress the message was sent to?

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• Provider claiming "all web servers in the cloud are automatically kept in sync" - should I be skeptical?

  - by RobMasters

  I'm no expert in cloud computing - I've spent a fair bit of time researching it and various providers but am yet to get any hands-on experience with it. From what I've read about AWS and auto-scaling EC2 instances though, it seems as though each instance should be completely decoupled from all other instances. i.e. If content is uploaded to the web server's local filesystem from a custom CMS backend then that content won't be available if subsequently requested from a different web server in the auto-scaling group. Is that right? I met with a representative of our existing hosting provider recently and he was claiming that it isn't a problem that our legacy CMS system is highly dependent on having a local filesystem. He said that all web servers, regardless of how many, would be kept as exact duplicates so I shouldn't notice any difference compared to our existing setup of a single dedicated server. This smells a little too much like bull fecal-matter to me...should I be skeptical about this? I'm a little worried because my (non-technical) boss who ultimately makes the decisions is all for signing up to this cloud solution because it won't require any extra work. I'm sure that they must at least be able to provide this, otherwise they wouldn't be attempting to sell it to us. But at what cost? It sounds as though each web server will always need to be checking the other web server(s) for new static content, which to me sounds like unwanted overhead that'll slow things down. I'd really appreciate it if somebody could clear this up to me. I'm all for switching to AWS and using S3+CloudFront for all static content, but that isn't looking very likely to happen at the moment.

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• Teamed network cards on a Proliant Server

  - by Matt

  We have 4 network cards in a Proliant server with Server 2008R2 running Exchange 2010, with 1 card set to a static IP address and the other 3 set to DHCP. I just need some clarification as I have not teamed network cards. Do all the network cards need to have a static IP when I set as a team. The connection that has the static IP is the IP that I need to use for the Server. Is it possible to set the teamed cards to the same static IP or do I have to change the static IP to another IP then use it for the teamed IP? I will be using HP Network Configuration Utility to set this up.

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• Copy past speed very slow for a large number of tiny files on Windows but not on linux

  - by Arno2501

  I've got this folder which contains 15'000 of tiny images (around 400 bytes each). If I copy past this folder on my laptop (Windows 7, i7 latest gen, superfast ssd) it takes about 30 seconds (yes for 7 megs !!!) the average transfer rate is 400 KBytes / second which is so slow. I mean my usual transfer rate is more like hundreds of MBytes per second !!! I get the same problem on my servers (Windows 2003, 2008 /r2) and on every Windows box that I could get my hands on. On the other hand if I do the same on a linux box (debian base, Ext3 FS) (which runs on the same SAN than all the windows servers I've tested) It's nearly instantaneous !!! I'm pretty sure the size / number of the files may stress such filesystem more than another but such differences !? Why is that ? Why is it so slow on the windows boxes (more that 30 sec for 7 MB) and so fast on the linux ones (one sec or so) (I mean this was not a hardlink that I've created it was a true copy). Is it a normal behaviour or something unusual ?

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• Failed to re-publish a page - Tridion 2011 SP1

  - by Wilson Yu

  We are getting some strange error when re-publishing the same page. The page was published successfully the first time and we can see the page from presentation server. It failed with the following error (see below) when we tried to publish it again (no change to page). The page ran OK within template builder and we got the correct html output, it failed in the last committing deployment step (Prepare Transport, Transporting, Preparing Deployment and Deploying are all successful). Once it fails to publish the second time, it always fails to publish, and we can't un-publish it either. Also when we make a copy of the failed page and create a new page, we can publish the new page first time, the new page then fails to publush the second time with the same error. Does anyone know what would cause this error? any help would be greatly appreciated. Here is the error msg: Committing Deployment Failed Phase: Deployment Prepare Commit Phase failed, Unable to prepare transaction: tcm:0-4210-66560, For input string: "", For input string: "", Unable to prepare transaction: tcm:0-4210-66560, For input string: "", For input string: ""

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• No mod_jk.so generated when compiling tomcat connector

  - by user1171848

  When I try to compile the tomcat connector from source, everything appears fine except that no mod_jk.so file gets created. Software versions: RHEL6 x86_64 httpd-2.4.3 tomcat-connector 1.2.37 Commands: cd native ./configure --with-apxs=/usr/local/apache2/bin/apxs make cd apache-2.0 ls The only warning message during the make is: Warning! dlname not found in /usr/local/tomcat-connectors-1.2.37-src/native/apache-2.0/mod_jk.la. Does anyone have any suggestions on how to get the mod_jk.so file to be generated?

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• Issue with a secure login - Why am I being redirected to the insecure login?

  - by mstrmrvls

  Im having some issues getting a website working at my place of work. The issue was rasised when a "double login" occurred from the secure login site. The second login was actually being prompted by the HTTP domain and not HTTPS. In essence the situation is like this: The user navigates to https://mysite.com/something The login prompt pops up Enter username and password The user is presented with ANOTHER login prompt (IE will say its insecure, and the address bar reflects that) If the user puts in their password the insecure one, they will login to the insecure site. if they hit cancel it will present them with a 401 page Navigating back to https://somesite.com/something will by pass the login prompt and log them in to the secure site automatically (cookie maybe) I'm a bit confused to why the user isnt being logged in properly the first time (redirected to non-ssl) but any consecutive login will be okay? I've been trying to use fiddler to see what is happening after the user puts in their password the first time and trying to get fiddler to automatically login to the site (with no luck) I believe the website in question is using Basic Digest authentication. Thanks for any help

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• Why is IIS 7.5 seeing some requests as HTTP/1.0?

  - by Zhaph - Ben Duguid

  While trying to work out why Static File Compression wasn't working on one of our IIS servers, the error was coming back as "NO_COMPRESSION_10" which translates to: Server not configured to compress 1.0 requests Looking at the requests in Fiddler, I can see that I'm requesting HTTP 1.1, but everything is being sent back as HTTP 1.0: Request (from chrome, captured via Fiddler): GET /css/reset.css HTTP/1.1 Host: [-----].com Connection: keep-alive Cache-Control: max-age=0 If-Modified-Since: Tue, 16 Oct 2012 15:04:34 GMT User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11 Accept: text/css,*/*;q=0.1 Referer: http://[-----].com/ Accept-Encoding: gzip,deflate,sdch Accept-Language: en-GB,en;q=0.8,en-US;q=0.6 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Response from IIS: HTTP/1.0 200 OK Cache-Control: no-cache, no-store Pragma: no-cache Content-Type: text/html; charset=utf-8 Expires: -1 Server: Microsoft-IIS/7.5 X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Date: Tue, 11 Dec 2012 11:57:03 GMT Connection: close Content-Length: 108837 Other servers with the same host that I'm running this site on all respond with HTTP/1.1. How can I persuade IIS to respond with HTTP/1.1 rather than HTTP/1.0? Edit to add: Digging deeper, I can see that some responses from the server are indeed being returned compressed, so I guess really I'm trying to work out why talking to this particular server from our office seems to result in it seeing 1.0 requests, while other servers at the same co-loc don't?

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• Server hung with "blocked for more than 120 seconds", diskless

  - by alterpub

  I have server which hung every 2-5 days. dmesg show following situation: kernel: [490894.231753] INFO: task munin-html:10187 blocked for more than 120 seconds. kernel: [490894.231799] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kernel: [490894.231843] munin-html D 0000000000000000 0 10187 9796 0x00000000 kernel: [490894.231878] ffff88063174b968 0000000000000082 ffff88063174b8d8 0000000000015b80 kernel: [490894.231930] ffff88063174bfd8 0000000000015b80 ffff88063174bfd8 ffff88062fe644d0 kernel: [490894.231982] 0000000000015b80 0000000000015b80 ffff88063174bfd8 0000000000015b80 kernel: [490894.232033] Call Trace: kernel: [490894.232059] [<ffffffff8117fce0>] ? sync_buffer+0x0/0x50 kernel: [490894.232089] [<ffffffff815a1f13>] io_schedule+0x73/0xc0 kernel: [490894.232115] [<ffffffff8117fd25>] sync_buffer+0x45/0x50 kernel: [490894.232143] [<ffffffff815a258f>] __wait_on_bit+0x5f/0x90 kernel: [490894.232170] [<ffffffff8117fce0>] ? sync_buffer+0x0/0x50 kernel: [490894.232197] [<ffffffff815a2638>] out_of_line_wait_on_bit+0x78/0x90 kernel: [490894.232227] [<ffffffff81080250>] ? wake_bit_function+0x0/0x40 kernel: [490894.232255] [<ffffffff8117fcd6>] __wait_on_buffer+0x26/0x30 kernel: [490894.232288] [<ffffffffa00131be>] squashfs_read_data+0x1be/0x520 [squashfs] kernel: [490894.232320] [<ffffffff8114f0f1>] ? __mem_cgroup_try_charge+0x71/0x450 kernel: [490894.232350] [<ffffffffa0013963>] squashfs_cache_get+0x1c3/0x320 [squashfs] kernel: [490894.232381] [<ffffffffa00136eb>] ? squashfs_copy_data+0x10b/0x130 [squashfs] kernel: [490894.232426] [<ffffffff815a3dbe>] ? _raw_spin_lock+0xe/0x20 kernel: [490894.232454] [<ffffffffa0013b68>] ? squashfs_read_metadata+0x48/0xf0 [squashfs] kernel: [490894.232499] [<ffffffffa0013ae1>] squashfs_get_datablock+0x21/0x30 [squashfs] kernel: [490894.232544] [<ffffffffa0015026>] squashfs_readpage+0x436/0x4a0 [squashfs] kernel: [490894.232575] [<ffffffff8111a375>] ? __inc_zone_page_state+0x35/0x40 kernel: [490894.232606] [<ffffffff8110d072>] __do_page_cache_readahead+0x172/0x210 kernel: [490894.232636] [<ffffffff8110d131>] ra_submit+0x21/0x30 kernel: [490894.232662] [<ffffffff811045f3>] filemap_fault+0x3f3/0x450 kernel: [490894.232691] [<ffffffff812bd156>] ? prio_tree_insert+0x256/0x2b0 kernel: [490894.232726] [<ffffffffa009225d>] aufs_fault+0x11d/0x170 [aufs] kernel: [490894.232755] [<ffffffff8111f6d4>] __do_fault+0x54/0x560 kernel: [490894.232782] [<ffffffff81122f39>] handle_mm_fault+0x1b9/0x440 kernel: [490894.232811] [<ffffffff811286f5>] ? do_mmap_pgoff+0x335/0x380 kernel: [490894.232840] [<ffffffff815a7af5>] do_page_fault+0x125/0x350 kernel: [490894.232867] [<ffffffff815a4675>] page_fault+0x25/0x30 Os info cat /etc/issue.net Ubuntu 10.04.2 LTS uname -a Linux Shard1Host3 2.6.35-32-server #68~lucid1-Ubuntu SMP Wed Mar 28 18:33:00 UTC 2012 x86_64 GNU/Linux This system load via ltsp and hasn't harddrives also it has a lot of memory 24Gb. free -m total used free shared buffers cached Mem: 24152 17090 7061 0 50 494 -/+ buffers/cache: 16545 7607 Swap: 0 0 0 I put vmstat info here but I think it won't give results after reboot vmstat 1 30 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 7231156 52196 506400 0 0 0 0 172 143 7 0 92 0 1 0 0 7231024 52196 506400 0 0 0 0 7859 16233 5 0 94 0 0 0 0 7231024 52196 506400 0 0 0 0 7870 16446 2 0 98 0 0 0 0 7230900 52196 506400 0 0 0 0 7308 15661 5 0 95 0 0 0 0 7231100 52196 506400 0 0 0 0 7960 16543 6 0 94 0 0 0 0 7231100 52196 506400 0 0 0 0 7542 16047 5 1 94 0 3 0 0 7231100 52196 506400 0 0 0 0 7709 16621 3 0 96 0 0 0 0 7231220 52196 506400 0 0 0 0 7857 16552 4 0 96 0 0 0 0 7231220 52196 506400 0 0 0 0 7192 15491 6 0 94 0 0 0 0 7231220 52196 506400 0 0 0 0 7423 15792 5 1 94 0 1 0 0 7231260 52196 506404 0 0 0 0 7686 16296 2 0 98 0 0 0 0 7231260 52196 506404 0 0 0 0 6976 15183 5 0 95 0 0 0 0 7231260 52196 506404 0 0 0 0 7303 15600 4 0 95 0 0 0 0 7231320 52196 506404 0 0 0 0 7967 16241 1 0 98 0 0 0 0 7231444 52196 506404 0 0 0 0 6948 15113 6 0 94 0 0 0 0 7231444 52196 506404 0 0 0 0 7931 16181 6 0 94 0 1 0 0 7231516 52196 506404 0 0 0 0 7715 15829 6 0 94 0 0 0 0 7231516 52196 506404 0 0 0 0 7771 16036 2 0 97 0 0 0 0 7231268 52196 506404 0 0 0 0 7782 16202 6 0 94 0 1 0 0 7231212 52196 506404 0 0 0 0 7457 15622 4 0 96 0 0 0 0 7231212 52196 506404 0 0 0 0 7573 16045 2 0 98 0 2 0 0 7231216 52196 506404 0 0 0 0 7689 16076 6 0 94 0 0 0 0 7231424 52196 506404 0 0 0 0 7429 15650 4 0 95 0 3 0 0 7231424 52196 506404 0 0 0 0 7534 16168 3 0 97 0 1 0 0 7230548 52196 506404 0 0 0 0 8559 15926 7 1 92 0 0 0 0 7230672 52196 506404 0 0 0 0 7720 15905 2 0 98 0 0 0 0 7230548 52196 506404 0 0 0 0 7677 16313 5 0 95 0 1 0 0 7230676 52196 506404 0 0 0 0 7209 15432 5 0 95 0 0 0 0 7230800 52196 506404 0 0 0 0 7522 15861 2 0 98 0 0 0 0 7230552 52196 506404 0 0 0 0 7760 16661 5 0 95 0 In the munin(monitoring system) graphs I see(before server hung): Disk(nbd0) IOs per device: read: 289m but avg by week 2.09m Disk(nbd0) throughput per device: read: 4.73k but avg by week 108.76 Disk(nbd0) utilization per device: 100% but avg by week 1.2% Eth0 traffic was low: in/out only 2Mbps Number of threads increased to 566 usually 392 Fork rate 1.08 but usually 2.82 VMStat(processes state) Increased to 17.77(from 0 as far as I could see in the graph) CPU usage iowait 880.46% when usually 6.67% It'll be great if somebody help me to understand what's up.

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• Trying to set up OpenVPN server on a vps

  - by Austin

  I'm trying to set up an OpenVPN server on my VPS for myself when I'm in public places, using this tutorial, http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/ However whenever I try to start the server, it gives me this, root@vps:~# /etc/init.d/openvpn start * Starting virtual private network daemon(s)... * Autostarting VPN 'server' [fail] The log contains this Tue Dec 11 10:53:32 2012 Diffie-Hellman initialized with 1024 bit key Tue Dec 11 10:53:32 2012 /usr/bin/openssl-vulnkey -q -b 1024 -m <modulus omitted> Tue Dec 11 10:53:33 2012 TLS-Auth MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ] Tue Dec 11 10:53:33 2012 ROUTE: default_gateway=UNDEF Tue Dec 11 10:53:33 2012 Note: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2) Tue Dec 11 10:53:33 2012 Note: Attempting fallback to kernel 2.2 TUN/TAP interface Tue Dec 11 10:53:33 2012 Cannot allocate TUN/TAP dev dynamically Tue Dec 11 10:53:33 2012 Exiting So obviously it's something to do with the tun, but I don't understand how to fix it. Thanks!

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• error while adding web service to server in website panel

  - by sam

  I got following error while creating website for user in website panel.I am not able to create any hosting space in server's hosting plan it is showing 0 mb space. Stack Trace: [SoapException: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.UriFormatException: Invalid URI: The Authority/Host could not be parsed. at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind) at System.Uri..ctor(String uriString) at Microsoft.Web.Services3.WebServicesClientProtocol.set_Url(String value) at WebsitePanel.Server.Client.ServerProxyConfigurator.Configure(WebServicesClientProtocol proxy) at WebsitePanel.EnterpriseServer.ServiceProviderProxy.ServerInit(WebServicesClientProtocol proxy, ServerProxyConfigurator cnfg, String serverUrl, String serverPassword) at WebsitePanel.EnterpriseServer.ServiceProviderProxy.ServerInit(WebServicesClientProtocol proxy, ServerProxyConfigurator cnfg, Int32 serverId) at WebsitePanel.EnterpriseServer.ServiceProviderProxy.Init(WebServicesClientProtocol proxy, Int32 serviceId) at WebsitePanel.EnterpriseServer.WebAppGalleryController.InitFeedsByServiceId(Int32 UserId, Int32 serviceId) at WebsitePanel.EnterpriseServer.esWebApplicationGallery.GetGalleryApplicationsByServiceId(Int32 serviceId) --- End of inner exception stack trace ---] System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) +1485877 System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) +221 WebsitePanel.EnterpriseServer.esWebApplicationGallery.GetGalleryApplicationsByServiceId(Int32 serviceId) +68 WebsitePanel.Portal.WebAppGalleryHelpers.GetGalleryApplicationsByServiceId(Int32 serviceId) +31 can anybody help me in this.

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• Ubuntu 9.10 won't reboot after replacing a failed drive

  - by user149041

  Hello Serverfault community. I hope someone can shed light on a peculiar problem I am having with an Ubuntu 9.10 server install. I am not a Linux expert but have the responsibility of fixing the box if something goes wrong. DOH! I have Ubuntu 9.10 server installed on on a desktop platform: Compaq Presario SR5027CL. There are two 1TB SATA drives configured in a RAID 1 array; I use the box as an email backup server for a small group of users. Last week one of the drives failed and was replaced with a new drive of the same type. The problem I have been having is getting the box to reboot after a restart or a shutdown halt. The OS and the RAID 1 array are on the same drives that make up the RAID 1 array. The replacement drive (sda) was added to the box and the partitions were created to match the existing good drive (sdb). The array is made up of sda1 and sdb1. I found an interesting point while checking the BIOS settings: there is a "HDD Boot Group Priority" section, and the new drive was selected as the "1. 3rd master"; the server wouldn't boot configured like that, but when I set the old drive to be "1. 4th master", the box will reboot. I'm checking some more things, but I would certainly appreciate any useful information. Thanks in advance.

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• HP to Cisco spanning tree root flapping

  - by Tim Brigham

  Per a recent question I recently configured both my HP (2x 2900) and Cisco (1x 3750) hardware to use MSTP for interoperability. I thought this was functional until I applied the change to the third device (HP switch 1 below) at which time the spanning tree root started flapping causing performance issues (5% packet loss) between my two HP switches. I'm not sure why. HP Switch 1 A4 connected to Cisco 1/0/1. HP Switch 2 B2 connected to Cisco 2/0/1. HP Switch 1 A2 connected to HP Switch 2 A1. I'd prefer the Cisco stack to act as the root. EDIT: There is one specific line - 'spanning-tree 1 path-cost 500000' in the HP switch 2 that I didn't add and was preexisting. I'm not sure if it could have the kind of impact that I'm describing. I'm more a security and monitoring guy then networking. EDIT 2: I'm starting to believe the problem lies in the fact that the value for my MST 0 instance on the Cisco is still at the default 32768. I worked up a diagram: This is based on every show command I could find for STP. I'll make this change after hours and see if it helps. Cisco 3750 Config: version 12.2 spanning-tree mode mst spanning-tree extend system-id spanning-tree mst configuration name mstp revision 1 instance 1 vlan 1, 40, 70, 100, 250 spanning-tree mst 1 priority 0 vlan internal allocation policy ascending interface TenGigabitEthernet1/1/1 switchport trunk encapsulation dot1q switchport mode trunk ! interface TenGigabitEthernet2/1/1 switchport trunk encapsulation dot1q switchport mode trunk ! interface Vlan1 no ip address ! interface Vlan100 ip address 192.168.100.253 255.255.255.0 ! Cisco 3750 show spanning tree: show spanning-tree MST0 Spanning tree enabled protocol mstp Root ID Priority 32768 Address 0004.ea84.5f80 Cost 200000 Port 53 (TenGigabitEthernet1/1/1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 (priority 32768 sys-id-ext 0) Address a44c.11a6.7c80 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Te1/1/1 Root FWD 2000 128.53 P2p MST1 Spanning tree enabled protocol mstp Root ID Priority 1 Address a44c.11a6.7c80 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 1 (priority 0 sys-id-ext 1) Address a44c.11a6.7c80 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Te1/1/1 Desg FWD 2000 128.53 P2p Cisco 3750 show logging: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan100, changed state to down %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan100, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up HP Switch 1: ; J9049A Configuration Editor; Created on release #T.13.71 vlan 1 name "DEFAULT_VLAN" untagged 1-8,10,13-16,18-23,A1-A4 ip address 100.100.100.17 255.255.255.0 no untagged 9,11-12,17,24 exit vlan 100 name "192.168.100" untagged 9,11-12,17,24 tagged 1-8,10,13-16,18-23,A1-A4 no ip address exit vlan 21 name "Users_2" tagged 1,A1-A4 no ip address exit vlan 40 name "Cafe" tagged 1,4,7,A1-A4 no ip address exit vlan 250 name "Firewall" tagged 1,4,7,A1-A4 no ip address exit vlan 70 name "DMZ" tagged 1,4,7-8,13,A1-A4 no ip address exit spanning-tree spanning-tree config-name "mstp" spanning-tree config-revision 1 spanning-tree instance 1 vlan 1 40 70 100 250 password manager password operator HP Switch 1 show spanning tree: show spanning-tree Multiple Spanning Tree (MST) Information STP Enabled : Yes Force Version : MSTP-operation IST Mapped VLANs : 2-39,41-69,71-99,101-249,251-4094 Switch MAC Address : 0021f7-126580 Switch Priority : 32768 Max Age : 20 Max Hops : 20 Forward Delay : 15 Topology Change Count : 363,490 Time Since Last Change : 14 hours CST Root MAC Address : 0004ea-845f80 CST Root Priority : 32768 CST Root Path Cost : 200000 CST Root Port : 1 IST Regional Root MAC Address : 0021f7-126580 IST Regional Root Priority : 32768 IST Regional Root Path Cost : 0 IST Remaining Hops : 20 Root Guard Ports : TCN Guard Ports : BPDU Protected Ports : BPDU Filtered Ports : PVST Protected Ports : PVST Filtered Ports : | Prio | Designated Hello Port Type | Cost rity State | Bridge Time PtP Edge ----- --------- + --------- ---- ---------- + ------------- ---- --- ---- A1 | Auto 128 Disabled | A2 10GbE-CX4 | 2000 128 Forwarding | 0021f7-126580 2 Yes No A3 10GbE-CX4 | Auto 128 Disabled | A4 10GbE-SR | Auto 128 Disabled | HP Switch 1 Logging: I removed the date / time fields since they are inaccurate (no NTP configured on these switches) 00839 stp: MSTI 1 Root changed from 0:a44c11-a67c80 to 32768:0021f7-126580 00839 stp: MSTI 1 Root changed from 32768:0021f7-126580 to 0:a44c11-a67c80 00842 stp: MSTI 1 starved for an MSTI Msg Rx on port A4 from 0:a44c11-a67c80 00839 stp: MSTI 1 Root changed from 0:a44c11-a67c80 to 32768:0021f7-126580 00839 stp: MSTI 1 Root changed from 32768:0021f7-126580 to 0:a44c11-a67c80 00839 stp: MSTI 1 Root changed from 0:a44c11-a67c80 to ... HP Switch 2 Configuration: ; J9146A Configuration Editor; Created on release #W.14.49 vlan 1 name "DEFAULT_VLAN" untagged 1,3-17,21-24,A1-A2,B2 ip address 100.100.100.36 255.255.255.0 no untagged 2,18-20,B1 exit vlan 100 name "192.168.100" untagged 2,18-20 tagged 1,3-17,21-24,A1-A2,B1-B2 no ip address exit vlan 21 name "Users_2" tagged 1,A1-A2,B2 no ip address exit vlan 40 name "Cafe" tagged 1,13-14,16,A1-A2,B2 no ip address exit vlan 250 name "Firewall" tagged 1,13-14,16,A1-A2,B2 no ip address exit vlan 70 name "DMZ" tagged 1,13-14,16,A1-A2,B2 no ip address exit logging 192.168.100.18 spanning-tree spanning-tree 1 path-cost 500000 spanning-tree config-name "mstp" spanning-tree config-revision 1 spanning-tree instance 1 vlan 1 40 70 100 250 HP Switch 2 Spanning Tree: show spanning-tree Multiple Spanning Tree (MST) Information STP Enabled : Yes Force Version : MSTP-operation IST Mapped VLANs : 2-39,41-69,71-99,101-249,251-4094 Switch MAC Address : 0024a8-cd6000 Switch Priority : 32768 Max Age : 20 Max Hops : 20 Forward Delay : 15 Topology Change Count : 21,793 Time Since Last Change : 14 hours CST Root MAC Address : 0004ea-845f80 CST Root Priority : 32768 CST Root Path Cost : 200000 CST Root Port : A1 IST Regional Root MAC Address : 0021f7-126580 IST Regional Root Priority : 32768 IST Regional Root Path Cost : 2000 IST Remaining Hops : 19 Root Guard Ports : TCN Guard Ports : BPDU Protected Ports : BPDU Filtered Ports : PVST Protected Ports : PVST Filtered Ports : | Prio | Designated Hello Port Type | Cost rity State | Bridge Time PtP Edge ----- --------- + --------- ---- ---------- + ------------- ---- --- ---- A1 10GbE-CX4 | 2000 128 Forwarding | 0021f7-126580 2 Yes No A2 10GbE-CX4 | Auto 128 Disabled | B1 SFP+SR | 2000 128 Forwarding | 0024a8-cd6000 2 Yes No B2 | Auto 128 Disabled | HP Switch 2 Logging: I removed the date / time fields since they are inaccurate (no NTP configured on these switches) 00839 stp: CST Root changed from 32768:0021f7-126580 to 32768:0004ea-845f80 00839 stp: IST Root changed from 32768:0021f7-126580 to 32768:0024a8-cd6000 00839 stp: CST Root changed from 32768:0004ea-845f80 to 32768:0024a8-cd6000 00839 stp: CST Root changed from 32768:0024a8-cd6000 to 32768:0004ea-845f80 00839 stp: CST Root changed from 32768:0004ea-845f80 to 32768:0024a8-cd6000 00435 ports: port B1 is Blocked by STP 00839 stp: CST Root changed from 32768:0024a8-cd6000 to 32768:0021f7-126580 00839 stp: IST Root changed from 32768:0024a8-cd6000 to 32768:0021f7-126580 00839 stp: CST Root changed from 32768:0021f7-126580 to 32768:0004ea-845f80

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• How to I test if mod_rewrite is enabled?

  - by user124130

  I'm setting up an environment for wordpress on apache2, on a fresh install of ubuntu 12.04. In order to get friendly URLS working, I'm trying to set up mod_rewrite. I followed some instructions I found on the net, and used a2enmod. Now. after restarting apache, I'd like to check if the module is actually loaded. The command that I've found for getting a list of loaded modules is this: apache2 -t -D DUMP_MODULES However, this returns an error: apache2: bad user name ${APACHE_RUN_USER} So, how do I actually list all loaded modules, or otherwise check to see if mod_rewrite has been enabled?

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• In IIS why do HTTP requests use the host header, and FTP requests do not

  - by Keeno

  So.... In IIS, if you use the in-build FTP you need to combine the FTP host header in the FTP username e.g. www.hello.com|domain/username So, the FTP program gets its "hook" from the username. However, you can connect to the FTP site using www.hello.com:21 over the FTP port. Why then, doesnt the FTP service work the same way as the HTTP service? IIS knows what site to serve back based on the host header after all.... Thanks!

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• Cracking truecrypt files in minutes? Or just truecrypt harddrives in minutes?

  - by oshirowanen

  Apparently http://www.lostpassword.com/kit-forensic.htm can be used to crack truecrypt hard drive encryption. Has anyone tried it and is it possible to crack truecrypt files too with this software? Passware Kit Forensic, complete with Passware FireWire Memory Imager, is the first and only commercial software that decrypts BitLocker and TrueCrypt hard disks, and instantly recovers Mac and Windows login passwords of seized computers.

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• HDD situation - what would be best - data and backup

  - by Sam Johnson

  I just installed W8 on an Intel 330 180 GB SSD. I have 3 1TB HDDs. 1 HDD will be external for backup. 2 HDDs are then available for my PC. I do not need 2 TB of storage, so I thought I'd set these up to be exact clones of one another, so that if one dies I have a backup in the computer to go along with my external. Is this a good set up? How best would this be accomplished? I've heard people suggest RAID but I've never done RAID, have no idea what it is, and have no idea how to set it up in my BIOS. Thanks in advance

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• Can this USB3 behaviour be anything else than a hardware failure?

  - by Jonas Wielicki

  While my motherboard is half a year old now (ASUS M5A99X EVO), I only recently made use of the USB3 boards (after purchase of USB3 external harddrive). However, I am encountering issues. I am running linux 3.6.7-4.fc16.x86_64. Initially, the harddrive worked fine with USB3 (amazing ˜160MB/s), but I had some problems after putting after putting the harddrive to sleep manually after use (backup) with hdparm -Y. After some time, the device disappears from lsusb and i see the following in dmesg: [ 1924.091107] xhci_hcd 0000:05:00.0: xHCI host not responding to stop endpoint command. [ 1924.091114] xhci_hcd 0000:05:00.0: Assuming host is dying, halting host. [ 1924.091147] xhci_hcd 0000:05:00.0: HC died; cleaning up [ 1924.091233] usb 11-1: USB disconnect, device number 2 [ 1924.091272] sd 6:0:0:0: Device offlined - not ready after error recovery Testing with my (USB3 capable) notebook, I could not immediately reproduce the behaivour. I put the drive to sleep with hdparm -Y and waited for like an hour, but it was still listed in lsusb and responded after a few seconds delay when I tried after the hour of waiting. After an hour, on the desktop, the device would've usually vanished. Googling for this issue, I came across hints that playing around with IOMMU settings and upgrading the BIOS might help. I upgraded the BIOS and tried both with and without IOMMU enabled, got similar results. Most disturbing is, that one of the two USB 3.0 hubs sometimes also disappears from lsusb (or does not show up after boot at all). I've also heard that there are some hardware issues with ASUS USB3 ports. Applying mechanic force to the capble doesn't push the issue to one side or the other. Also, udev seems to reenumerate all devices if I plug the HDD into the USB 3.0 port without success (I can notice from my keyboard layout being changed to the default, which I do not use normally). The drive is externally powered and the external power supply is plugged in (it also stays powered when unplugging from USB, although it will spin down then). So before I try to return the board, I wanted to find out whether this can be anything else than a failure on the motherboard?

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• Why does Excel 2010 automatically reformat numbers?

  - by user179555

  Excel 2010 is automatically reformatting numbers/cells where a specific number format has already been applied. Whenever I access or modify the cell contents, Excel reformats by changing the number of decimal places to 2. I've already gone into file \ options \ advanced \ and made sure that the option to automatically add decimal places is unselected, but Excel still automatically makes the change. Very time consuming to continue reselecting number formats each time the cell contents are changed/accessed. Any ideas? Thx!

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• How to make a static route when using two internet connections?

  - by webmasters

  I have asked a question here on how to choose which applications will use a 3G internet connection and which applications will use the LAN. User harrymc gave a very complete and interesting answer, pointing that this is possible using static routes for certain websites. Now, lets say I want to access google.com only through my 3G internet connection. How would that static root look like? google has the IP: 173.194.39.180 here is a print of my route table, the 3G Modem has the IP: 10.81.132.96 +-----------------------------------------------------------------------------+ ¦ IPv4 Route Table ¦ ¦ =========================================================================== ¦ ¦ Active Routes: ¦ ¦ Network Destination Netmask Gateway Interface Metric ¦ ¦ 0.0.0.0 0.0.0.0 192.168.2.1 192.168.2.102 20 ¦ ¦ 0.0.0.0 0.0.0.0 10.81.132.97 10.81.132.111 286 ¦ ¦ 10.81.132.96 255.255.255.224 On-link 10.81.132.111 286 ¦ ¦ 10.81.132.111 255.255.255.255 On-link 10.81.132.111 286 ¦ ¦ 10.81.132.127 255.255.255.255 On-link 10.81.132.111 286 ¦ ¦ 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 ¦ ¦ 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 ¦ ¦ 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 ¦ ¦ 192.168.2.0 255.255.255.0 On-link 192.168.2.102 276 ¦ ¦ 192.168.2.102 255.255.255.255 On-link 192.168.2.102 276 ¦ ¦ 192.168.2.255 255.255.255.255 On-link 192.168.2.102 276 ¦ ¦ 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 ¦ ¦ 224.0.0.0 240.0.0.0 On-link 192.168.2.102 276 ¦ ¦ 224.0.0.0 240.0.0.0 On-link 10.81.132.111 286 ¦ ¦ 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 ¦ ¦ 255.255.255.255 255.255.255.255 On-link 192.168.2.102 276 ¦ ¦ 255.255.255.255 255.255.255.255 On-link 10.81.132.111 286 ¦ +-----------------------------------------------------------------------------+

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• Windows folder has readonly attribute that cannot be removed

  - by drasto

  I have a zip file containing Eclipse workspace. When I unzip it all the extracted folders have read only attribute set to true. When I uncheck "read only" in properties dialog and click apply the attribute seems to be removed. But when I reopen properties dialog it is there again. Eclipse will not accept folder that is read only as a workspace. I need it to be removed. Some points I'd like to make: Only folders have read only attribute, files don't. I use Windows 7, for unzipping I have used 7zip. I have tryied to remove the attribute from command line like this: attrib -r -s c:\pathToFolder. It did not work.

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