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• Newly installed DIR-615 - how to connect to the wireless?

  - by JK123

  I've just installed a D-Link DIR 615, but can't figure out how to connect to the wireless.. When I double click my wireless icon in the tray, it does show the new network. Its starts the "WiFi protected setup wizard" and the first thing it asks for is the "Device Ownership Password". I have no idea what that is - I've tried the PIN and the router password. On the next page it says: SSID: _(name)__ Security type: _wpa2 personal aes ccmp_ Password: _some long key that is not what I entered during router setup_ I change the key to the one I created when setting up the router. I've also tried leaving the key as it is shown in the dialog. But it does not connect either way. All it says is "Configuration failed" So how do I connect to the new wireless network??

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• Windows 2008 Server on VMWare (hardware)

  - by Bill

  I want to setup a single server to run a few virtual servers for our datacenter. I do not have a lot of money to spend so I am trying to gain bang for the buck. My budget is around $2,000. So I was thinking about building the following as the VMWare physical server: Intel iCore 7 950 (LGA1366, 4 cores,8 threads) Gigabyte GA-X58-USB3 LGA 1366 X58 ATX Intel Motherboard 24 GB of Viper II Series, Sector 7 Edition, Extreme Performance DDR3-1600 (PC3-12800) CL9 Triple Channel Memory VelociRaptor 300GB 10,000 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive I am planning on running the newest version of VMWare ESXi (64-bit). On these I am planning on running a few various servers: Windows 2008 Server R2 w/ IIS (several custom built ASP.NET Apps) Windows 2008 Server R2 w/ MS SQL 2008 Database Server Linux Web Server w/ Several WordPress Blogs (XAMPP?) Windows 2008 Server R2 w/ IIS (DEV ENVIRONMENT) Windows 2008 Server R2 w/ MS SQL 2008 Database Server (DEV ENVIRONMENT) In your opinion, will this hardware be sufficient to run the above load with room for possible 2-3 more virtual machines (probably lightweight web servers)?

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• How do i know if i set up the nlb (network load balancing) cluster correctly???

  - by letseatlunch

  So ill start from the very beginning. I'm working on a web conference were we are going to show about 12 videos for a total of about half a gig for all 12. Since all the participants are going to be watching (and also streaming/downloading) at once it was recommended we set up a server farm. So i have 4 servers that i am trying to network together. They are all running Microsoft Server 2008 and i have spent the last three days setting them up and now that its done i want to make sure its all ready to go. so i just want to be sure that everything is setup the way that i think it is. What is the best way to do this. Really i want to make sure that the load will be split over the servers when its showtime. thanks for any help in advance letseatlunch Dave

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• Is it reasonable to make a RAID-1 array with a ram disk and a physical disk to maximize read performance and protect data?

  - by Petr Pudlák

  In one of the answers on SO (I forgot which one) I've seen a suggestion to make a RAID-1 array composed of a RAM disk and a physical partition. By adding the physical partition with --write-mostly and enabling --write-behind the system should read everything instantly from the RAM disk but still save all data to the physical partition so that the data are preserved and the RAID array can be assembled again after reboot. Is such a setup reasonable? Will it perform any better in some scenario than having just the physical partition and perhaps tweaking the kernel to favor disk cache (swappiness and vfs_cache_pressure)?

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• Configure session length with htaccess

  - by brianpartridge

  My home web server is running the stock OSX Apache 2 install. I have some directories with content that I want to secure, so I setup htaccess files for those areas. However, I find it annoying to have to login to those areas as frequently as I do. Once I'm logged in I'd like to not have to login again for a long time, similar to setting a long time in a cookie. But, I'd like to increase the life time of the authenticated session with htaccess. I've googled but haven't found what I'm looking for, maybe because I'm looking for the wrong term. I want to configure the 'session length', 'session timeout', 'time limit', or 'expiration' for users authenticated via htaccess. Any thoughts?

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• I can't write to a folder which I'm a member of

  - by user3265472

  I'm trying to setup folder access to a group so that all members of that group can create/edit/delete files within the folder. # create my group and add a member sudo addgroup dev sudo adduser martyn dev Now, logged in as "martyn", check my user has been added to "dev" group groups martyn martyn : martyn dev Now I want to change the group ownership of my project folder so all members of that group can edit it and files/folders within it. sudo chgrp -R dev myproject Just to check: martyn@localhost:/var/www$ ls -l total 4 drwxrwxr-x 3 dev dev 4096 May 31 15:53 myproject Now here's where it fails. I want to create a file within myproject (logged in as "martyn", a member of "dev"): vi myproject/test ..but when I try to save the file I get the following error: "myproject/test" E212: Can't open file for writing Why, as user "martyn" which is a member of "dev", can I not write this file? Even if I create the file so it exists, change the ownership to "dev" then try to edit and save - I get the same error.

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• Synchronizing 3 servers over IP

  - by user93078

  I'm setting up a medical server for a hospital that has doctors located in 3 different locations, meaning there would be 3 servers (1 in each location). All 3 servers would just have the following software: Ubuntu Server 12.04 minimal MySQL, PHP 5, Apache The medical software which would read/write to the MySQL database Remote admin apps like Nagios & Webmin Rsync for backup (rsync-over-ssh) as a cron job and the doctors at each location would access patient & billing data from their respective servers. What I'd like is, that each of these servers all have synchronized info (especially the mySQL database's) - let's say on an hourly basis each of these servers synchronize data to a common remote server and the data is then brought down to each of the servers. I know an easier way would be to have the medical app running on a remote web server, but since this is medical that we're talking about and knowing how common it is in our area for the net to go gown, I wouldn't like a web based scenatio. Is such a setup possible? Would this be the right way to do things or is there a better way to this? Would really appreciate views and comments (or how to set this up) on this.

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• suddenly can't connect to Windows 7 PC from xbmc

  - by Damon

  I have xbmc installed on a softmodded classic xbox and all of a sudden I cannot connect to the shared folders on my Windows 7 PC. Well, it can connect but it wants a username and password, but none exist on my computer. It's been several weeks since I last used it, but it was working fine then! and no particular changes I can think of aside from I guess a few Windows updates. I've seen reference online to Windows Live essentials causing issues with file sharing, but I don't even have that installed. And I made sure to tick 'turn off password protected sharing' in my advanced network setup. I had the guest account turned off and working fine before, and tried turning it on but no luck. I can access my shared folders fine from other Computers and a ps3. I've read a couple threads of similar situations on various folders and none of their solutions have worked.

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• Win 2008 Server configuration

  - by user123790

  Let me preface my question by saying I'm a novice in regards to server configuration. It's been 12+ years since I've attempted this. What we (our small office) are trying to achieve is to setup a Win 2008 server (located in a home) in a home network configuration (basic wireless router w/DHCP) that we (the office) can VPN to from our office. I have installed the software, installed DHCP, removed DHCP from the router, set the scope for 100 IPs and am now looking for information as to where I go from here? I believe I need to configure DNS and possibly set up static routes on the router for the home devices that need internet? The wireless clients are not receiving IPs is the current issue that I'd like to tackle. Also, would it be feasible to use the router's DHCP to assign IPs rather than having the server do it? If so, what would be the most direct way to accomplish this? I appreciate any help in this matter. Thanks

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• SSD on Vmware ESXI 4 (TRIM? Good Idea?)

  - by nextgenneo

  Hi, I just posted about finding bottle necks and have narrowed it down to having way too many VMs on my machine on one 15K SAS drive. I have plenty of cores and plenty of ram. So I am planning on putting 6 VMs on one drive (so 5 drives for 30 VMs). I am thinking of using a 60GB Vertex 2 SSD. Each of my VMs will only need about 6GB of HDD space so this isn't a big deal. My questions are: does ESXI support Trim and do I really need it if I leave 25% of the drive as free space? If I need it should I get a diff drive that handles garbage collection differently? I have a RAID controller w/ write caching. I will still benefit from this? Will this effect my setup differently? Is there anything I need to consider regarding SSD's in virtualized environments. Thanks for any and all help!

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• How to use ssh-agent (and graphic passphrase dialog) in Kubuntu 10.10?

  - by halo

  I have recently switched from Ubuntu to kubuntu, both version 10.10. Unfortunately in KDE the ssh passphrase dialog doesn't work out of the box. Everytime my ssh private key is used I need to enter my password. This is neither secure nor comfortable. I have done comprehensive research on the net but only found out dated documentation. Several things I tried didn't work out. Current status: SSH setup working with direct passphrase input ssh-agent running in X session $SSH_AUTH_SOCK set to ssh-agent's socket in X session How to enable ssh-agent for keeping the passphrase in memory for ~15mins and as a bonus always use a graphical dialog for its input? I use asymmetric SSH key pairs for pushing/pulling in Git VCS logging remotely into different server systems

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• Frequent occurence of FULL GC.

  - by Viji

  Hi, There is a frequent occurence of FULL GC in our system. We are using Java application running on Tomcat server. Our application is running using internal load balancer setup. We are seeing lot of Full GC's in the server logs due to which the application is hung and Proxy errors are occured. The Java parameter values we are using are: Webapp wrapper: wrapper.java.additional.4=-Xms382M wrapper.java.additional.5=-Xmx1024M Backapp wrapper: wrapper.java.additional.4=-Xms382M wrapper.java.additional.5=-Xmx1024M The error found in webapp wrapper logs: INFO | jvm 1 | 2010/11/26 09:33:19 | [PSYoungGen: 1398460K-140291K(1514624K)] 4623364K-3491394K(5009920K), 0.7285303 secs] [Times: user=1.42 sys=0.00, real=0.72 secs] INFO | jvm 1 | 2010/11/26 09:33:19 | 68539.126: [Full GC DEBUG | wrapperp | 2010/11/26 09:33:19 | send a packet PING : ping Tried to change the JVM values to increase the heap size. But of no use. I suspect that there could be some other reason other than these parameters which is causing the issue. Can anyone please help me on this?

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• Slow performance with WAMP localhost access from other devices

  - by Adam

  I setup a localhost WAMP server and other device can access my localhost site on my win8 laptop with computer name instead of IP (bc I have use DCIP so that the wireless router can assign me IP otherwise it will not work). However, problem is that the website (WordPress), access speed is extremely slow on other devices other than my localhost computer, usually a 3s task take at least 10 seconds. (i.e. view my localhost site with computer name in a phone within the same wireless network.) Is that normal? What could be the reason causing it? Thank You

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• Cisco 2900 series router - 3x 3g HWIC - Can you use the same subnet for each HWIC?

  - by Lance

  We host a site with a 2900 series router with 3x 3G-HWIC cards installed. It is hosted with telstra and plugs into our corporate WAN. The card authenticates against radius and advertises a route into the WAN for which subnet it routes for. We have always used the same advertised subnet on each. Telstra have advised us that this could be the cause of some drop out issues whereby some services will work for some people and not for others and are saying effectively that their system will only use one of these at a time even though we can see the interface is online and assigned a WAN IP address. Has anyone out there configured a multi HWIC setup before and if so are they using different subnets for each or the same?

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• How can I make my PHP development environment more efficient?

  - by pixel

  I want to start a home-brew pet project in PHP. I've spent some time in my life developing in PHP and I've always felt it was hard to organize the development environment efficiently. In my previous PHP work, I've used a windows desktop machine and a linux server for development. This configuration had it's advantages: it's easy to configure Apache (and it's modules)/PHP/MySql on a linux box, and, at the time, this configuration was the same like on production server. However, I never successfully set up a debug connection between my Eclipse install and X-debug on server. Transferring files from my local workspace to the server was also very annoying (either ftp or Bazaar script moving files from repository to web root). For my new setup, I'm considering installing everything on my local machine. I'm afraid that it will slow down workstation performance (LAMP + Eclipse), and that compatibility problems will kick-in. What would you recommend? Should I develop using two separate machines? On one? Do you have experience using one of above configurations in your work?

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• Reverse Proxy to filter out js files from multiple hosts in nginx

  - by stwissel

  I have a website http://someplace.acme.com that I want my users to access via http://myplace.mycorp.com - pretty standard reverse proxy setup. The special requirement: any js file - either identified by the .js extension and/or the mime-type (if that is possible) text/javascript needs to be served from a different location, a local tool that inspects the js for potential threats. So I have location / { proxy_pass http://someplace.acme.com; proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504; proxy_redirect off; proxy_buffering off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } location ~* \.(js)$ { proxy_pass http://127.0.0.1:8188/filter?source=$1; proxy_redirect off; proxy_buffering off; } The JS still is served from remote and I have no idea how to check for the mime type. What do I miss?

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• How to make sure you server NIC performance is at best on Windows?

  - by Bobb

  I realised that I followed some obscure paper on setting NICs on Windows for too long. It might be outdated with new hardware released in past couple of years and with W2008R2. I read a bit about offloading and RSS settings on Windows and I realiased that it is very much circumstantial. Noone can really say - enable that and disable this. etc. So what I really want is for my next server try and setup testing environment and measure how my particular application will behave with different settings. The target is going to be latency of TCP primarily. Please note I am talking about latency inside the box. Are there precision tools for Windows to measure latency (down to microseconds)? P.S. I know this is not easy question. Windows time drift is awful problem for any precision test but still I am sure I am not the fist person to need that... Please share your experience

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• Allow private access to Git on shared hosting server

  - by Akahadaka

  I've setup my own VM running Ubuntu 10.04, LAMP and ISPConfig 3. I would also like to add Git, and give access to to closed group of developers working on their own private projects, essentially operating it as a shared hosting production server. Before I go installing software on the server gung-ho, I would like to know; a) Is this possible? b) Is it a good idea? (How else could one achieve a shared but private environment?) c) Is the installation of Git any different in this situation?

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• How to properly uninstall/reinstall Ubuntu One on Windows XP?

  - by user73303

  I had previously installed an Ubuntu One client as a test on a Windows XP machine. Now I wanted to change the account for the client to a production one but had problems changing the email address so decided to do a reinstall. Ran uninstall. Downloaded ubuntuone-3.0.2-windows-installer.exe. It downloads, goes through the unpacking/install – strangely some of the messages say updating as if it was replacing something that was already there. I do not get the setup/signin screen. There is no ubuntu% processes running. The Program files/ubuntuone directory exists with data and dist folders. The U icon is on the desktop – pointing at ubuntuone/dist/ubuntuone-control-panel-qt.exe but this does not run. Ran uninstall again, deleted Program files/ubuntuone directory, removed any ubuntu entries for registry, rebooted. Downloaded install again - exactly the same as above. How can I uninstall Ubuntu One to get a clean reinstall? Or force the install to continue after downloading/unpacking?

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• Simple secured SFTP tunnel?

  - by babonk

  I'd like to setup an sftp tunnel so that I can connect to an IP-secured SFTP server through a gateway computer from anywhere, and download the files to anywhere. I was thinking of using a combination with netcat, having it listen to either WinSCP or PuTTY sFTP (doesn't matter which). Not sure how I would download the files to the connecting computer though. I would like the tunnel to be secured, preferably, with a username/password. I'm open to using alternative software but I'm looking for unintrusive, simple command line stuff because I don't want to install a lot on this computer. Thanks

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• Server 2003 slow share.

  - by G V

  I am running an 03 box with shares active. When uploading to the share, the speed is average. About 15-20 mbps.. But when you think about it, it is bad because it is a direct connection to a couple machines. When uploading to another server the connection speed is twice that of the direct storage. When uploading s massive folder, 250 GB, the upload will start as normal, but as it progresses it drops in speed. Now it is sitting at around 2-7 Mbps. Any ideas on how i can boost the transfer rate? On a side note, the download speed is great. It is a speed that you would expect from this setup, the main problem is uploading and what is causing the extreme slowness in speeds. Any help would be great.

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• Automatically copy files out of directory

  - by wizard

  I had a user's laptop stolen recently during shipping and it was setup with windows live sync. The thief or buyer's kids took some photos of themselves and they were synced to the user's my documents. I had just finished moving the users files out of the synced my documents folder when I noticed this. Later they took some more photos and a video. I wrote up a batch script to copy files out synced directory every 5 minutes into a dated directory. In the end I ended up with a lot of copies of the same few files. Ignoring what windows livesync offers (at the time there was no way to undelete files - I've moved onto dropbox so this ins't really an issue for me) what's the best way to preserve changes and files from a directory? I'm interested in windows solutions but if you know of a good way on a *nix please go ahead and share.

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• How to use ssh-agent (and graphic passphrase dialog) in Kubuntu 10.10?

  - by halo

  I have recently switched from Ubuntu to kubuntu, both version 10.10. Unfortunately in KDE the ssh passphrase dialog doesn't work out of the box. Everytime my ssh private key is used I need to enter my password. This is neither secure nor comfortable. I have done comprehensive research on the net but only found out dated documentation. Several things I tried didn't work out. Current status: SSH setup working with direct passphrase input ssh-agent running in X session $SSH_AUTH_SOCK set to ssh-agent's socket in X session How to enable ssh-agent for keeping the passphrase in memory for ~15mins and as a bonus always use a graphical dialog for its input? I use asymmetric SSH key pairs for pushing/pulling in Git VCS logging remotely into different server systems

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• Forwarding subdomain to different port on Windows IIS 7

  - by Ralph

  I have a IIS 7 server with Plesk setup on a Windows 2008 R2 server and I have created a subdomain sub1.domain.com, which by default leads to my webserver on port 80, but I don't want that. I want the subdomain to lead to my port 25566 instead (for a Minecraft server), how can I accomplish this? I tried this with host headers / bindings but that resulted in a port already in use warning. How can I do this? How can I make my sub1.domain.com lead to IP.IP.IP.IP:25566? Any help would be greatly appreciated.

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• phpmyadmin error #2002 cannot connect to mysql server

  - by Joe

  so i am getting this error when trying to connect to my mysql server. i have reinstalled MYSQL and php several times and tried a slew of command line work from info around the web.mysql is running and i know that my mysql.sock exists and is located in ~/private/tmp/ and also in ~/tmp/. i also have plenty of hard drive space. i have installed and setup phpmyadmin correctly only adding a password to 'Password for config auth'. AND i have connected to the server via Sequel Pro. so my question is what the heck is going on that i can't connect to the server via phpmyadmin? any guesses? also i'm on a 64-bit intel mac running snow leopard

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