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• How to control remote access to Sonicwall VPN beyond passwords?

  - by pghcpa

  I have a SonicWall TZ-210. I want an extremely easy way to limit external remote access to the VPN beyond just username and password, but I do not wish to buy/deploy a OTP appliance because that is overkill for my situation. I also do not want to use IPSec because my remote users are roaming. I want the user to be in physical possession of something, whether that is a pre-configured client with an encrypted key or a certificate .cer/.pfx of some sort. SonicWall used to offer "Certificate Services" for authentication, but apparently discontinued that a long time ago. So, what is everyone using in its place? Beyond the "Fortune 500" expensive solution, how do I limit access to the VPN to only those users who have possession of a certificate file or some other file or something beyond passwords? Thanks.

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• How to sync passwords one-way between windows domains without trust relationship?

  - by Franco C.

  We're migrating from Windows 2003 to 2008 SBS. We will run concurrently for a short period of time. I cannot establish a trust relationship between Server 2003 & Server 2008 SBS and I would like to know if there is a way to sync the passwords between 2003-2008? For example, I would like to dump the pre-encrypted passswords to a file in 2003 and then use this to update the passwords for the correspoding usernames in 2008 SBS. Is this possible? I have no need to ever see the clear text version of the passwords. I see one commercial product, but it hardly seems worth it given the temporary nature of my project... Thanks, Franco

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• SQL Server Licence in MSDN

  - by Manoj

  I had bought a VS2010 Professional version licence through our corporate licence. I was recently browsing through the MSDN product download page and found that SQL server download were available for me without any key required. How is this possible? Is this the full version and can I use it in production mode? Also there were Windows 7 licence key of upto 10 available. I am not sure what this can be used for. Can somebody clarify? Regards...

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• Nginx + PHP-FPM ignores no-cache headers

  - by Eric Winchell

  I'm using the following header on a php page. // Prevent page caching. header('Expires: Tue, 20 Oct 1981 05:00:00 GMT'); header('Cache-Control: no-store, no-cache, must-revalidate'); header('Cache-Control: post-check=0, pre-check=0', FALSE); header('Pragma: no-cache'); I'm also using a rand=999999999 (with a real random number) in the URLs. But pages are still being cached. Reload works, but first load is cached. Anyone know where I can change this?

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• unable to connect to remote sql server from SHDSL router

  - by user529265

  Got a new leased line network to our office that came with a SHDSL router (Watson). Currently, we are unable to use Sql Server management studio to connect to remote Sql databases. It errors out saying A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - The specified network name is no longer available.) (Microsoft SQL Server, Error: 64) I logged into the Watson management panel and unblocked all the ports for TCP traffic (specified the range as 0 to 60000 and UDP as well - this include 1443 required for connecting to SQL Server). The router is the only thing that has changed. We are able to connect to it from other networks just fine. Is there something we are missing here. Any help would be greatly appreciated.

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• How to suppress "Not collecting exported resources without storeconfigs"?

  - by Andy Shinn

  I'm getting the following in my Puppet master syslog over and over: Sep 27 11:52:05 puppet1 puppet-master: Not collecting exported resources without storeconfigs Sep 27 11:52:06 puppet1 puppet-master: Not collecting exported resources without storeconfigs Sep 27 11:52:06 puppet1 puppet-master: Not collecting exported resources without storeconfigs I'm not actually using storeconfigs: [ashinn@puppet1 ~]$ cat /etc/puppet/puppet.conf [agent] server = puppet.mydomain.com environment = production report = true [main] logdir = /var/log/puppet vardir = /var/lib/puppet ssldir = /var/lib/puppet/ssl rundir = /var/run/puppet factpath = $vardir/lib/facter pluginsync = true certname = puppet1.mydomain.com [master] modulepath = $confdir/environments/$environment/modules manifest = $confdir/environments/$environment/manifests/site.pp templatedir = $confdir/templates autosign = $confdir/autosign.conf ssl_client_header = SSL_CLIENT_S_DN ssl_client_verify_header = SSL_CLIENT_VERIFY report = true reports = hipchat Any way I can suppress these messages? What do they actually come from?

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• How determine keyboard variation when manufacturer changes it

  - by Maksee

  When I decided to purchase Toshiba Z830, I specially noticed at photos that the keyboard was good for me (wide Enter, Left Shift, Backspace), you can query it at images.google.com, on most photos they're all wide. When I finally bought it (Z830-A2S), the keyboard was different, the Enter is narrow and the left Shift is "split" into Shift and backslash keys (probably 5% of photos at images.google.com). Is it normal for manufacturers to change this during the production cycle or this can be variations from different contractors? But the main point, is it possible to determine this from the full model name or somewhere else without visiting a store?

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• How to route traffic through a VPN tunnel?

  - by Gabriel

  The problem with our server is that we need to use the bug ridden and awful AT&T network client, which causes our server to bluescreen once per 24 hours. Does any one know how to (or has a good guide) quickly set up a workstation running Windows server 2008 R2 as a proxy server. So this spare workstation would run AT&T and would act as a bridge between our server and the server that can be connected to only via the AT&T VPN software. And this way our own production server would not crash so often (or not at all) and the workstation can happily crash whenever it wants to.

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• How to efficiently dump a huge MySQL innodb database?

  - by Jagbir

  I got an Ubuntu 10.04 production MySQL database server where total size of database is 260 GB while size of root partition is itself 300 GB where DB is stored, essentially means around 96% of / is full and there's no space left for storing dump/backup etc. No other disk is attached to server as of now. My task is to migrate this database to other server sitting in different datacenter. Question is how to do that efficiently with minimum downtime? I'm thinking in line of: Request to attach an extra drive to server and take a dump in that drive. Transfer dump to new server, restore it and make new server slave of existing one to keep data in sync When migration is needed, break replication, update slave config to accept read/write requests and make old server read-only so it won't entertain any write requests and tell app developers to update there config with new IP address for db. What's your suggestions to improve this or any alternate better approach for this task?

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• ESXi 5.1 - Unable to register host

  - by deanvz

  I download and successfully installed ESXi 5.1. I am however unable to get the licence key I received installed. An error occurred when assigning the specified licence key: The system Memory is not satisfied with the 32 GB of Maximum memory limit. Current with 80.00 GB of Memory. Is there now way around this? A quick google revealed that this is a global problem with no real answer or resolution. The only workaround is to remove the physical RAM chips, but as this is in going to be in production I dont want to do that as it would mean down time when I have to reinsert the memory

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• rsync : Read input from a file and sync accordingly

  - by Dheeraj

  I have a text file which contains the list of files and directories that I want to copy (one on a line). Now I want rsync to take this input from my text file and sync it to the destination that I provide. I've tried playing around with "--include-from=FILE" and "--file-from=FILE" options of rsync but is is just not working I also tried pre-fixing "+" on each line in my file but still it is not working. I have tried coming with various filter PATTERNs as outlined in the rsync man page but it is not working. Could someone provide me correct syntax for this use case. I've tried above things on Fedora 15, RHEL 6.2 and Ubuntu 10.04 and none worked. So i am definitely missing something. Many thanks.

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• Only ONE Outlook 2010 installation "Cannot connect to Exchange server" when setting up new profile.

  - by Johnny PDEX

  Exchange 2010, one-server installation (small production, I know not best practice) OWA Connectivity has been confirmed, Autodiscover is configured and working properly for EVERY other installation. Other user accounts tested on problem Outlook, none can connect. Windows Firewall is pre-configured by Group Policy, only modifications being related to remote management. Firewall has also been disabled during diagnostic period. Network discovery and file sharing is enabled on workstation as well. Windows 7 Professional, latest updates installed. Driving me nuts. Help, serverfault?

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• DNS Resolver Speed Techniques

  - by Rob Olmos

  I recently received a reply to my concerns about some DNS servers being slower than others despite all servers being anycast: In practice, most resolvers won't be impacted by the slower paths to some of the name servers in the set. Most resolvers employ various techniques to provide fast lookups, such as preferring name servers that were previously seen to be faster, sending simultaneous queries to multiple name servers, or pre-fetching queries before the TTL has expired. I was not aware that resolvers used these techniques and I was unsuccessful at searching for more info about this. Are there any names for these techniques? Which resolvers employ which of these techniques?

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• What do you do with a 15 node decommissioned Itanium cluster?

  - by Gomibushi

  We are decommissioning a 15 node Itanium cluster. We don't know what to do with it. Being geeks we want to put it (or its individual nodes) to some cool use, but since it is Itanium we are a bit unsure what that could/would be. We are not bringing it back as production servers and we are considering giving them away, if anyone wants them. It's not the most spiffy hardware, but being 2U rack servers they pack an ok amount of cpu and memory, they're about 3 years old perhaps. Ideas to what runs well on them? Or something one can use them as?

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• Can a working Tomcat 6 webapp be turned into a usable .war file?

  - by Bill Cole

  Problem: I have a working webapp on a FreeBSD 8.1 Tomcat 6 test server that I need to move to a production system. The developer who last touched it (and had root on that server) has moved on and isn't helpful. The running app seems to have been deployed from a CVS server that is now unavailable. My thinking is that I would like to find a way to wrap the working webapp into a proper .war so that I can deploy it on a pristine host and (after testing) send the existing system to a very deep bitbucket. But I'm not having luck finding a way to do that. I'm a sysadmin not a developer and don't work much with Tomcat systems so I may be (likely am) overlooking something blindingly simple. I gather that I may be able to just tar up the deployed directory and untar it on the new machine, but I have a nagging feeling that there are pitfalls in that.

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• How do I make a backup of a live server?

  - by Jurily

  At my new job, I have a production server with the following qualities: Windows (XP I think), ancient hardware Absolutely vital database No backups whatsoever Everyone in the company has full admin rights, the passwords are stored in a .txt on the global share No installers, except for the OS The machine itself is sitting on a wooden shelf 5 feet above the ground against an external wall with frequent truck traffic on the other side; the shelf is already bent from the constant load Hasn't been rebooted in $DEITY knows how long, my predecessor wasn't even sure if it would survive it UPS is installed, but since everything is hooked up to it, it would last 10 minutes tops No spare parts or hardware budget How do I make a full backup with minimal impact on the server? I'm not sure how close it is to a total meltdown. For all I know, plugging in a USB stick could kill the company, and of course it will be all my fault, since "it was running fine before you touched it". The ideal solution would be a VM, so I have a test environment as well (separate of course).

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• Is there a way to import a scheduled task from windows 2003 (.job) to windows 2008 (.xml)?

  - by Rodrigo

  I had some jobs to be moved from the old production server (windows 2003 server standard) to the new machine (windows 2008 server standard), but the new server is unable to read the old .job format, also the import wizard only imports from .xml job files (same version). Obviously I don't want to rebuild all the jobs by hand, but can't find a tool that makes the process a very little easier. I don't trust in Microsoft for this kind of tools, my previously experiences had been to bad (DTS - SSIS). Any ideas? Thanks in advance.

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• fastcgi-mono-server with Nginx is much slower than xsp4

  - by marxin

  We started testing our MVC4 app on xsp4 server compiled with mono-3.0.3, speed was enough and we decided to set up production fastcgi-mono-server4 (version 2.11.0.0) with nginx (1.2.6-r1). Single query that loads some JSON query took ~200ms on XSP4, but Nginx serves the query in about 1.2s and I am wondering where could be such a slow down? I followed nginx configuration: http://www.mono-project.com/FastCGI_Nginx and fastcgi-mono-server4 uses socket for listening nginx. Do you have any ideas how to log some time stamp which will help me? Thanks

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• How can I reroute a sub-domain to localhost + port number?

  - by urig

  I have several web applications running on my developer machine. They mimic our production web applications which are hosted on sub-domain. For example, consider: api.myserver.com - is mimicked by 127.0.0.1:8000 www.myserver.com - is mimicked by 127.0.0.1:8008 and so on... How can I make it so that, on my Windows 7 machine, HTTP calls to "api.myserver.com" (note the lack of port number) are redirected to 127.0.0.1:8000 etc? Note that this needs to apply both to client-side calls (in the browser) and server-side calls (from IIS to Python development server and vice versa). Do I need a proxy to run locally to achieve this? Can you recommend such a tool?

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• SSL certificates and whether a wildcard common name will support domain.com

  - by timpone

  Sorry, if this is very vendor specific but I purchased an inexpensive SSL Cert from GoDaddy. Right now everything on production is hosted off of www.domain.com. When specifying the common name would a wildcard (ie *.domain.com) cover the case of a lack of a third-level domain such as domain.com? Just to be sure, I made it for www.domain.com rather than a wildcard. If it matters, I will be using with nginx and a mod_passenger. If I want to cover everything including domain.com and staging.domain.com, www.domain.com etc, would a wildcard be the proper cert? Does the inexpensive godaddy cert (12.99 / year) cover wildcard certs (it didn't seem to for me)? Again, sorry for asking vendor specific questions and thx in advance. thx

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• Why can't I defragment my SQL 2008 .mdf file?

  - by LesterDove

  I am defragmenting a badly (95%) fragmented drive upon which large (35 gig) SQL Server 2008 .mdf files live. After defragmenting and viewing the exception report, I see that the production .mdf file that I'm most interested in could not be defragmented. I initially figured it was because MSSQL had an exclusive lock on the file, so I detached it and tried again. No luck - this particular .mdf file could not be defragmented. What am I missing? Most online references suggest that I should be able to file defrag an .mdf A note: yes, I'm talking about file defragmentation, not index defrag, which is already being done routinely, and which I'll re-run after this. Thanks! What am I missing?

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• Best VoIP VPS Location?

  - by ToiletOverflow

  Our office currently runs a few phones over a VoIP line. Through our VoIP provider, we have a virtual private server. We chose them as the VPS provider because the VPS came pre-loaded with all of the software that was necessary. However, I've discovered that I would rather manage the software myself and would prefer to work on a different platform. The primary reason that we have stayed with them is because as our VoIP provider, I presume that there is some advantage in call quality because they have "direct access to the PSTN", which I would presume is an advantage when it comes to call termination and overall call quality. My question boils down to: What is better from a call quality perspective? 1) A server located 20ms closer to us (60ms), offered by a different company. 2) The current server at the VoIP/SIP provider (80ms)

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• What's the best practice for keeping track of Microsoft solution stack Hot fixes and patches?

  - by melaos

  i'm currently working on a product that is build on microsoft stacks such as sql server, entity framework, wcf, c# and biztalk server. so recently we're running into weird issues on our production servers and now we're troubleshooting this issue. we're kind of lost. so we're looking into anti virus exclusion and cumulatives updates for biztalk server. but my question now is what's the best way to keep track of all the hot fixes? do we just check for them, i.e. google it up only when we have issues? i've googled online and found that there's a microsoft baseline analyzer tool. and the other thing is microsoft blog which is updated on a weekly basis which contains all the recent hot fixes. are there a better way or best way? thanks for my ignorant question.

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• How to accelerate and notice failure of potentially faulty disks

  - by rainier

  Hey, I got a bunch of 'used' servers, whose disks should have been checked, but they have been shipped around the county in crate which can't help. I just had one disk go bad (despite being mirrored, currently trying to get more details). The server was fine for about a week before everything ground to a halt this afternoon. Is there any way 'accelerate' the failure of faulty disks, with the goal of bringing the disk to failure before we launch production services? Would doing lots of I/O with 'dd' or 'iozone' be a good way to test these potentially faulty disks? Any other tests/tools that would help recognized failures before they happen?

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• Why the different coarse threaded screws?

  - by Luke

  I'm seeing more and more of these screws (pictured below), which are almost triangular. I find I can only put them into Power Supplies and PCI(e) cards in cases, but they will break/strip away if I put them into a hard drive or a standoff for a motherboard Notice the triangular shape on it? On the Root Access chat, I started asking, but no concrete answer yet. I don't assume it's a production flaw, as I've seen hundreds and replaced them with the "proper" round screws. It is coarse-threaded, not fine-threaded (i.e. for a DVD drive or floppy drive). What are they for, and why do we need them instead of the regular round ones?

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