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• How can I toggle Full Screen mode in Remote Desktop without a Break key?

  - by Jay Bazuzi

  My small laptop has a small keyboard, which lacks a Pause/Break key. Ctrl-Alt-Break toggles Full Screen mode in Windows Remote Desktop. Without a Break key, how can I enter Full Screen mode? I know I can exit fullscreen mode with the mouse. Maximizing the window doesn't help. This matters more on small laptops because the screens are small (so you need all the real estate you can get) and because the keyboard lacks dedicated PgUp/PgDn and other dedicated keys (so I can't easily use the RDP alternatives like Alt-PgUp).

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• Is there a multi-user Remote Desktop app for Mac OS X?

  - by Peter Walke

  Is there a remote desktop app for the Mac that allows multiple people to be remoted in at the same time, similar to RDP in Windows? I've used VNC, but that only allows one person to control the computer. For some background: I'd like to set up a mac that many users can RDP into from PC's to do XCode development. I did some searching and didn't find anything, so I'm assuming it's just not possible, but I want to confirm. Thanks. Update: Thanks to a link in one of the answers, I found a reasonable solution: AquaConnect

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• "this network location can't be included because it is not indexed" on Windows 2008R2 Remote Desktop Services Hosting

  - by ChrisNZ

  I'm setting up a new terminal server for our users on Win2008R2 (I guess I should call it Remote Desktop Services now!) When I try to change the location of "Documents" (by removing the default Documents library and adding a new one), to use the file server ie \\fileserver\username\Documents I get the message: "This network location can't be included because it is not indexed" I certainly don't want to make folders available offline, and in fact, I have set the GPO to prohibit offline folders on the terminal servers. What is the best practice for document libraries on terminal server and network file shares?

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• Vmware Workstation 10 connect remote server (Debian, Guest-Windows XP) Does not allow raw disk access nor shared folders

  - by Alex

  The setup: Ubuntu with local Vmware Workstation 10 (everything works locally) Connects(File- Connect to Server) Debian server with the same Vmware Workstation 10 (Windows XP Guest) Debian setup does not allow raw disk access nor shared folders (most options does not exist) No shared folder No physical disk option I use root user for this machine. Default install. I've tried to add shared folder from command line - it does not work. How to enable shared folders or raw disk access? I have created new Windows 8 64 bit template from scratch - I cannot use physical HDD either, and no SharedFolder option. I think this is something about security policy of remote server.

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• Remote desktop into a linux machine, is this possible?

  - by fire

  I have a VPS by my host running on a linux server, and they have given me SSH access. Is it possible to remote desktop into the server, like you can on Windows, so that I can physcially click on things rather than having to use SSH commands? Surely this must be running on Fedora or Ubuntu etc. so there is some type of OS. You would probably have to install something on the servers end I suppose but just want to know if its possible and what the options are. And before you say "why not ask your host" I find superuser responses are usually much quicker :-)

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• IoT end-to-end demo – Remote Monitoring and Service By Harish Doddala

  - by JuergenKress

  Historically, data was generated from predictable sources, stored in storage systems and accessed for further processing. This data was correlated, filtered and analyzed to derive insights and/or drive well constructed processes. There was little ambiguity in the kinds of data, the sources it would originate from and the routes that it would follow. Internet of Things (IoT) creates many opportunities to extract value from data that result in significant improvements across industries such as Automotive, Industrial Manufacturing, Smart Utilities, Oil and Gas, High Tech and Professional Services, etc. This demo showcases how the health of remotely deployed machinery can be monitored to illustrate how data coming from devices can be analyzed in real-time, integrated with back-end systems and visualized to initiate action as may be necessary. Use-case: Remote Service and Maintenance Critical machinery once deployed on the field, is expected to work with minimal failures, while delivering high performance and reliability. In typical remote monitoring and industrial automation scenarios, although many physical objects from machinery to equipment may already be “smart and connected,” they are typically operated in a standalone fashion and not integrated into existing business processes. IoT adds an interesting dynamic to remote monitoring in industrial automation solutions in that it allows equipment to be monitored, upgraded, maintained and serviced in ways not possible before. Read the complete article here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: IoT,Iot demo,sales,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Oracle Solaris Remote Lab (OSRL) Fact Sheet

  - by user13333379

  The Oracle Solaris Remote Lab allows independent software vendors (ISVs) to test and qualify their applications in a self service Solaris cloud. ISVs who are Oracle Partner Network Gold members with a specialization in the Solaris knowledge zone can apply for free access in OPN. The lab offers the following features to it's users: Lifetime of project: 45 days (extensions granted on demand)  Up to 5 virtual machines in a private network  Virtual Machine technology: Solaris zones  Resources per VM processor support: SPARC or x86  OS version: OracleSolaris 11.0 4GB physical memory  4GB swap space  10GB local filesystem storage  10GB network filesystem (NFS) mounted on all virtual machines Networking configuration The only external network routes are to Partner's other Virtual Machines  No network routing to the Internet  The SMB (CIFS) sharing protocol is not available between Virtual Machines  Device Access  Applications that assume the existence of /devices will not run in a Virtual Machine  Applications that use eeprom to modify SPARC eeprom setting will not run in a Virtual Machine The following utilities do not work properly in Virtual Machines:  add_drv, disks, prtconf, prtdiag, rem_dev Access technology: Secure Global Desktop, file up and download root access within VM Available VM templates (both processor architectures) Oracle Database 11g Release 2 (11.2.0.3) for Solaris with Oracle Enterprise Manager 11g Weblogic 12c  SAMP: Apache http server, PHP, MySQL, phpadmin on all templates and images: Oracle Solaris Studio 12.3 for application development  More resources: Online application for Oracle Solaris remote Lab Developer Webinar about the Oracle Solaris Remote Lab Everything an Oracle Solaris Developer needs...

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• Oracle Solaris Remote Lab (OSRL) Fact Sheet

  - by user13333379

  The Oracle Solaris Remote Lab allows independent software vendors (ISVs) to test and qualify their applications in a self service Solaris cloud. ISVs who are Oracle Partner Network Gold members with a specialization in the Solaris knowledge zone can apply for free access in OPN. The lab offers the following features to it's users: Lifetime of project: 45 days (extensions granted on demand)  Up to 5 virtual machines in a private network  Virtual Machine technology: Solaris zones  Resources per VM processor support: SPARC or x86  OS version: OracleSolaris 11.0 4GB physical memory  4GB swap space  10GB local filesystem storage  10GB network filesystem (NFS) mounted on all virtual machines Networking configuration The only external network routes are to Partner's other Virtual Machines  No network routing to the Internet  The SMB (CIFS) sharing protocol is not available between Virtual Machines  Device Access  Applications that assume the existence of /devices will not run in a Virtual Machine  Applications that use eeprom to modify SPARC eeprom setting will not run in a Virtual Machine The following utilities do not work properly in Virtual Machines:  add_drv, disks, prtconf, prtdiag, rem_dev Access technology: Secure Global Desktop, file up and download root access within VM Available VM templates (both processor architectures) Oracle Database 11g Release 2 (11.2.0.3) for Solaris with Oracle Enterprise Manager 11g Weblogic 12c  SAMP: Apache http server, PHP, MySQL, phpadmin on all templates and images: Oracle Solaris Studio 12.3 for application development  More resources: Online application for Oracle Solaris remote Lab Developer Webinar about the Oracle Solaris Remote Lab Everything an Oracle Solaris Developer needs...

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• How to tunnel a local port onto a remote server

  - by Trevor Rudolph

  I have a domain that i bought from DynDNS. I pointed the domain at my ip adress so i can run servers. The problem I have is that I don't live near the server computer... Can I use an ssh tunnel? As I understand it, this will let me access to my servers. I want the remote computer to direct traffic from port 8080 over the ssh tunnel to the ssh client, being my laptop's port 80. Is this possible? EDIT: verbose output of tunnel macbookpro:~ trevor$ ssh -R *:8080:localhost:80 -N [email protected] -v OpenSSH_5.2p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration data /Users/trevor/.ssh/config debug1: Reading configuration data /etc/ssh_config debug1: Connecting to site.com [remote ip address] port 22. debug1: Connection established. debug1: identity file /Users/trevor/.ssh/identity type -1 debug1: identity file /Users/trevor/.ssh/id_rsa type -1 debug1: identity file /Users/trevor/.ssh/id_dsa type 2 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.9p1 Debian-5ubuntu1 debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.2 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'site.com' is known and matches the RSA host key. debug1: Found key in /Users/trevor/.ssh/known_hosts:9 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Trying private key: /Users/trevor/.ssh/identity debug1: Trying private key: /Users/trevor/.ssh/id_rsa debug1: Offering public key: /Users/trevor/.ssh/id_dsa debug1: Authentications that can continue: publickey,password debug1: Next authentication method: password [email protected]'s password: debug1: Authentication succeeded (password). debug1: Remote connections from *:8080 forwarded to local address localhost:80 debug1: Requesting [email protected] debug1: Entering interactive session. debug1: remote forward success for: listen 8080, connect localhost:80 debug1: All remote forwarding requests processed

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• Error installing Sony Remote Play

  - by Iszi Rory or Isznti

  I'm trying to install Remote Play software to connect my laptop to my PS3. I've found a guide with instructions which seem to be in fairly wide use (found similar walk-throughs on numerous other sites), for running the software on a non-Vaio PC. Tech-Recipies: Playstation 3 – Use Remote Play on any Windows 7 PC The setup essentially goes like this: Download Remote Play software. Download patch by NTAuthority. Install Remote Play as normal. Reboot. Extract NTAuthority patch to Remote Play program folder. Manually register patched DLLs via CLI. Run Remote Play software. Sadly, my problem is early in - Step 3. I had to use Google to find the software download, as the link from Tech-Recipies seems broken. I found the download on Sony's site here: Sony eSupport: Remote Play with PlayStation®3 After downloading and running the software, I hit "Next" at the welcome screen and "I Agree" at the EULA screen. After this, a popup informs me that Setup is checking my computer's information. Then, Setup terminates with this error: I'm running Windows 7 Ultimate x64. Is anyone familiar with this error in this software? Is there a way to work around it? Did I perhaps pick the wrong download from Sony's site?

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• Useful SVN and Git commands – Cheatsheet

  - by Madhan ayyasamy

  The following snippets will helpful one who user version control systems like Git and SVN.svn checkout/co checkout-url – used to pull an SVN tree from the server.svn update/up – Used to update the local copy with the changes made in the repository.svn commit/ci – m “message” filename – Used to commit the changes in a file to repository with a message.svn diff filename – shows up the differences between your current file and what’s there now in the repository.svn revert filename – To overwrite local file with the one in the repository.svn add filename – For adding a file into repository, you should commit your changes then only it will reflect in repository.svn delete filename – For deleting a file from repository, you should commit your changes then only it will reflect in repository.svn move source destination – moves a file from one directory to another or renames a file. It will effect your local copy immediately as well as on the repository after committing.git config – Sets configuration values for your user name, email, file formats and more.git init – Initializes a git repository – creates the initial ‘.git’ directory in a new or in an existing project.git clone – Makes a Git repository copy from a remote source. Also adds the original location as a remote so you can fetch from it again and push to it if you have permissions.git add – Adds files changes in your working directory to your index.git rm – Removes files from your index and your working directory so they will not be tracked.git commit – Takes all of the changes written in the index, creates a new commit object pointing to it and sets the branch to point to that new commit.git status – Shows you the status of files in the index versus the working directory.git branch – Lists existing branches, including remote branches if ‘-a’ is provided. Creates a new branch if a branch name is provided.git checkout – Checks out a different branch – switches branches by updating the index, working tree, and HEAD to reflect the chosen branch.git merge – Merges one or more branches into your current branch and automatically creates a new commit if there are no conflicts.git reset – Resets your index and working directory to the state of your last commit.git tag – Tags a specific commit with a simple, human readable handle that never moves.git pull – Fetches the files from the remote repository and merges it with your local one.git push – Pushes all the modified local objects to the remote repository and advances its branches.git remote – Shows all the remote versions of your repository.git log – Shows a listing of commits on a branch including the corresponding details.git show – Shows information about a git object.git diff – Generates patch files or statistics of differences between paths or files in your git repository, or your index or your working directory.gitk – Graphical Tcl/Tk based interface to a local Git repository.

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• Connecting to server from remote machine

  - by Jannat Arora

  I wish to connect my machine to a server in some other city. For doing the same I am using the following command: mstsc -v ip_address_of_server remote desktop can't connect to remote computer for one of these reasons: 1) Remote access to server is not enabled. 2) Remote computer is turned off 3) Remote computer is not available on network. Make sure remote computer is turned on and connected to the network, and that remote access is enabled. As per previous posts I need to turn off my client computers firewall..which I have...but still it gives me the same message. Can someone please please help me out...so as to how i may resolve this?? I am really new to networking, etc. Also when i am pinging: ping ip_address_of server I am getting the following response: Reply from ip_address_of_server: destination host unreachable Also I did try on ubuntu with rdesktop...still its not been able to connect with it. Also i know there are other people who are able to connect their machines with the server remotely. So i guess its not working for me only. Also when I accessed the same machine through LAN I was able to do so.

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• DTracing TCP congestion control

  - by user12820842

  In a previous post, I showed how we can use DTrace to probe TCP receive and send window events. TCP receive and send windows are in effect both about flow-controlling how much data can be received - the receive window reflects how much data the local TCP is prepared to receive, while the send window simply reflects the size of the receive window of the peer TCP. Both then represent flow control as imposed by the receiver. However, consider that without the sender imposing flow control, and a slow link to a peer, TCP will simply fill up it's window with sent segments. Dealing with multiple TCP implementations filling their peer TCP's receive windows in this manner, busy intermediate routers may drop some of these segments, leading to timeout and retransmission, which may again lead to drops. This is termed congestion, and TCP has multiple congestion control strategies. We can see that in this example, we need to have some way of adjusting how much data we send depending on how quickly we receive acknowledgement - if we get ACKs quickly, we can safely send more segments, but if acknowledgements come slowly, we should proceed with more caution. More generally, we need to implement flow control on the send side also. Slow Start and Congestion Avoidance From RFC2581, let's examine the relevant variables: "The congestion window (cwnd) is a sender-side limit on the amount of data the sender can transmit into the network before receiving an acknowledgment (ACK). Another state variable, the slow start threshold (ssthresh), is used to determine whether the slow start or congestion avoidance algorithm is used to control data transmission" Slow start is used to probe the network's ability to handle transmission bursts both when a connection is first created and when retransmission timers fire. The latter case is important, as the fact that we have effectively lost TCP data acts as a motivator for re-probing how much data the network can handle from the sending TCP. The congestion window (cwnd) is initialized to a relatively small value, generally a low multiple of the sending maximum segment size. When slow start kicks in, we will only send that number of bytes before waiting for acknowledgement. When acknowledgements are received, the congestion window is increased in size until cwnd reaches the slow start threshold ssthresh value. For most congestion control algorithms the window increases exponentially under slow start, assuming we receive acknowledgements. We send 1 segment, receive an ACK, increase the cwnd by 1 MSS to 2*MSS, send 2 segments, receive 2 ACKs, increase the cwnd by 2*MSS to 4*MSS, send 4 segments etc. When the congestion window exceeds the slow start threshold, congestion avoidance is used instead of slow start. During congestion avoidance, the congestion window is generally updated by one MSS for each round-trip-time as opposed to each ACK, and so cwnd growth is linear instead of exponential (we may receive multiple ACKs within a single RTT). This continues until congestion is detected. If a retransmit timer fires, congestion is assumed and the ssthresh value is reset. It is reset to a fraction of the number of bytes outstanding (unacknowledged) in the network. At the same time the congestion window is reset to a single max segment size. Thus, we initiate slow start until we start receiving acknowledgements again, at which point we can eventually flip over to congestion avoidance when cwnd ssthresh. Congestion control algorithms differ most in how they handle the other indication of congestion - duplicate ACKs. A duplicate ACK is a strong indication that data has been lost, since they often come from a receiver explicitly asking for a retransmission. In some cases, a duplicate ACK may be generated at the receiver as a result of packets arriving out-of-order, so it is sensible to wait for multiple duplicate ACKs before assuming packet loss rather than out-of-order delivery. This is termed fast retransmit (i.e. retransmit without waiting for the retransmission timer to expire). Note that on Oracle Solaris 11, the congestion control method used can be customized. See here for more details. In general, 3 or more duplicate ACKs indicate packet loss and should trigger fast retransmit . It's best not to revert to slow start in this case, as the fact that the receiver knew it was missing data suggests it has received data with a higher sequence number, so we know traffic is still flowing. Falling back to slow start would be excessive therefore, so fast recovery is used instead. Observing slow start and congestion avoidance The following script counts TCP segments sent when under slow start (cwnd ssthresh). #!/usr/sbin/dtrace -s #pragma D option quiet tcp:::connect-request / start[args[1]-cs_cid] == 0/ { start[args[1]-cs_cid] = 1; } tcp:::send / start[args[1]-cs_cid] == 1 && args[3]-tcps_cwnd tcps_cwnd_ssthresh / { @c["Slow start", args[2]-ip_daddr, args[4]-tcp_dport] = count(); } tcp:::send / start[args[1]-cs_cid] == 1 && args[3]-tcps_cwnd args[3]-tcps_cwnd_ssthresh / { @c["Congestion avoidance", args[2]-ip_daddr, args[4]-tcp_dport] = count(); } As we can see the script only works on connections initiated since it is started (using the start[] associative array with the connection ID as index to set whether it's a new connection (start[cid] = 1). From there we simply differentiate send events where cwnd ssthresh (congestion avoidance). Here's the output taken when I accessed a YouTube video (where rport is 80) and from an FTP session where I put a large file onto a remote system. # dtrace -s tcp_slow_start.d ^C ALGORITHM RADDR RPORT #SEG Slow start 10.153.125.222 20 6 Slow start 138.3.237.7 80 14 Slow start 10.153.125.222 21 18 Congestion avoidance 10.153.125.222 20 1164 We see that in the case of the YouTube video, slow start was exclusively used. Most of the segments we sent in that case were likely ACKs. Compare this case - where 14 segments were sent using slow start - to the FTP case, where only 6 segments were sent before we switched to congestion avoidance for 1164 segments. In the case of the FTP session, the FTP data on port 20 was predominantly sent with congestion avoidance in operation, while the FTP session relied exclusively on slow start. For the default congestion control algorithm - "newreno" - on Solaris 11, slow start will increase the cwnd by 1 MSS for every acknowledgement received, and by 1 MSS for each RTT in congestion avoidance mode. Different pluggable congestion control algorithms operate slightly differently. For example "highspeed" will update the slow start cwnd by the number of bytes ACKed rather than the MSS. And to finish, here's a neat oneliner to visually display the distribution of congestion window values for all TCP connections to a given remote port using a quantization. In this example, only port 80 is in use and we see the majority of cwnd values for that port are in the 4096-8191 range. # dtrace -n 'tcp:::send { @q[args[4]-tcp_dport] = quantize(args[3]-tcps_cwnd); }' dtrace: description 'tcp:::send ' matched 10 probes ^C 80 value ------------- Distribution ------------- count -1 | 0 0 |@@@@@@ 5 1 | 0 2 | 0 4 | 0 8 | 0 16 | 0 32 | 0 64 | 0 128 | 0 256 | 0 512 | 0 1024 | 0 2048 |@@@@@@@@@ 8 4096 |@@@@@@@@@@@@@@@@@@@@@@@@@@ 23 8192 | 0

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• Can I use Ubuntu as a wireless media server which performs all decoding/processing server-side?

  - by AthloX

  I want to setup UBUNTU 12.04 desktop as Home media server. I have window 7 netbook and UBUNTU 12.04lts laptop even a samsun galaxy note tablet (android). Two desktop in other room with dualboot win7 and ubuntu. SHARP AQUOS Plasma Tv with Wi-Fi connected. I want to install ubuntu as media server to stream audio/video files over wi-fi. Not only this i want this media server to use its own processing power to decode ans stream so that on remote end only file can play without using their own resource. Is it possible to use ubuntu as media server to stream files without making the remote end to use there own resource. I want only bandwidth of Wi-Fi to be use in this and media center hardware resource.Remote end gadget should use only speaker and screen and not processing power of their own. Please any suggestion is it possible to do so ?

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• How to enter the Default Keyring password via the command line?

  - by Jerkofalltrades

  Is there a way to enter the default keyring password using the command line? For instance: You have a remote setup of Ubuntu 10.10 thats set to auto login. You don't want to remove the keyring password. All right the system boots up and logs in automatically, then asks for the keyring password now at this point you can create ssh connections but you can't remote desktop. What can you do to enter the keyring password at this point? Also, to better clarify, this is from a remote connection using the command line.

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• Powershell Get-Process cannot connect to remote computer

  - by amandion

  I've been struggling with this for a few hours and can't figure this out. I have two Windows 7 computers. One is my workstation that is using Powershell to do administrative maintenance. The other is the machine I'd like to use Powershell remoting on to execute remote Powershell cmdlets on. On both computers, I've enabled Powershell remoting and added all computers to TrustedHosts with the * value. On the remote computer, I've started the Remote registry service and ensured that the DCOM, Winmgmt and the Winrm services are running. Firewall is disabled on remote machine too. The cmdlet I try to run is: Get-Process -ComputerName $name Where $name is the name of the remote machine. I keep getting an error saying that it could not connect to the remote PC. I've also tried using the IP and I get the same error. These PCs are not in a domain. I am able to do the following successfully: Invoke-Command {get-Process} -ComputerName $name -Credential $creds Where $name is the machine name and $creds is the user name and password for the remote computer's local Admin account. This gives me the same output I would expect. While this is an acceptable workaround, I am curious, why doesn't using get-process with remoting work as it should? I've seen a few articles on the web suggesting people have had success with it on its own. Each time I am using Powershell on my workstation with elevated privileges. Any ideas?

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• How can I attach multiple urls to a single git remote?

  - by deterb

  I'm currently using git on windows through a combination of msysgit and Cygwin. I have a laptop which I move around quite a bit, so it's not on a consistent location. Unfortunately, I don't have a consistent name for it due to the computer name not being resolved on all of the locations I connect to, so I can't just use the computer name as the host for the url (e.g. git://compname/repo), so I have to use the IP address. Is there a way I can add multiple urls to pull from for a particular remote? I've seen git remote set-url --add [--push] <name> <newurl> as a way to add multiple URLs to a remote, and I can see the updates in the .git/config file, but git only tries to use the first one. Is there a way to get git to try to use all of the urls? I've tried both git fetch and git remote update, but neither tries anything after the first url. Note that I haven't tried this on linux yet, and I can't fix the computer name resolution as this is at work. Thanks

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• jQuery validation plugin: valid() does not work with remote validation ?

  - by a-dilla

  I got started by following this awesome tutorial, but wanted to do the validation on on keyup and place my errors somewhere else. The remote validation shows its own error message at the appropriate times, making me think I had it working. But if I ask specifically if a field with remote validation is valid, it says no, actually, its not. In application.js I have this... $("#new_user").validate({ rules: { "user[login]": {required: true, minlength: 3, remote: "/live_validations/check_login"}, }, messages: { "user[login]": {required: " ", minlength: " ", remote: " "}, } }); $("#user_login").keyup(function(){ if($(this).valid()){ $(this).siblings(".feedback").html("0"); }else{ $(this).siblings(".feedback").html("1"); } }) And then this in the rails app... def check_login @user = User.find_by_login(params[:user][:login]) respond_to do |format| format.json { render :json => @user ? "false" : "true" } end end I think that my problem might have everything to do with this ticket over at jQuery, and tried to implement that code, but, being new to jQuery, it's all a bit over my head. When I say bit, I mean way way. Any ideas to fix it, or a new way to look at it, would be a big help.

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• How do I securely execute commands as root via a web control panel?

  - by Chris J

  I would like to build a very simple PHP based web based control panel to add and remove users to/from and add and remove sections to/from nginx config files on my linode vps (Ubuntu 8.04 LTS). What is the most secure way of executing commands as root based on input from a web based control panel? I am loathe to run PHP as root (even if behind an IP tables firewall) for the obvious reasons. Suggestions welcome. It must be possible as several commercial (and bloated, for my needs) control panels offer similar functionality. Thanks

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• How do I fix the display of Windows 7's Control Panel?

  - by kez

  This has really bugged me since I took the plunge and upgraded to Windows 7. I think everything is great on the whole apart from the Control Panel. Instead of ordering from top to bottom like in normal folders, it is ordered from left to right. Whenever I go to find something in Control Panel it takes 3 times as long because I expect to find Programs and Features below Power Options yet it is to the right. This is a screenshot to demonstrate - note the ordering goes across instead of down. My question - does anyone have a cunning fix to display the Control Panel ordered in the same way that normal folders are displayed?

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• How to force a login for an administrator when using Remote Desktop Connection and fast user switching enabled?

  - by brett rogers

  Scenario: I am at work. I want to remote desktop into my machine at home. Problem is, my 5-year-old daughter is playing games on Starfall.com (or something similar) on her (non-admin) account. When I attempt to connect I see this message: Another user is currently logged on to this computer. If you continue, this user has to disconnect from this computer. Do you want to continue? I click Yes and then see Please wait for 'UserName' to respond This presents my daughter with an Allow/Disallow dialog on whether to let me connect. She clicks Disallow (or No or whatever it says) and then I see 'UserName' has denied your request Question: How can I force my account to log in and disconnect her session? Additional Info: My account is an administrator account. My daughter's account is a non-administrator account. Home machine is Windows 7 Pro with fast user switching enabled. Turning off fast user switching is not an option (Kyle pointed out in his answer that turning it off would allow the admin to force another user off). I would keep fast user switching's ability to change accounts without closing the previous account's session over being able to force myself to connect.

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• How do I improve my screen resolution in Windows Remote Desktop?

  - by Jeff

  I'm RDP'ing into a Win2K3 machine from a WinXP machine, and I cannot stand the low screen resolution I get on the Win2K3 box. Text is too large and the graphics/colors aren't very smooth. How do I improve this? If I right-click on the desktop of the remote machine and go to Properties - Settings, I see that the screen resolution is set to 1280x1024 (should be okay, I would think), and the color quality is Medium (16 bit) (not optimal) and I don't have the option to change either setting (because they're set in the .rdp file for the session, right?). If I move over to the Appearance tab, I see that font size is set to Normal, with no option to make it smaller. The thing is, these settings are close to what I have on the XP machine I'm RDP'ing in from. The only difference (in those settings) is the color quality, which is 32 bit. Any ideas on how I can improve the situation? Other tidbits: The graphics card on the Win2K3 machine is ATI ES1000. I think I have the latest drivers for it. I'm running VMware Workstation on the Win2K3 machine, and if I create a Win2K3 VM and RDP into it from the XP machine, the resolution is just fine.

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• Wake on Lan Remote not waking PC while the PC does receive the packet.

  - by Nycrea

  Over the last couple of weeks, I have been trying to set up WOL from a remote location. When I use my laptop to wake the machine locally, it works just fine. (for some reason, when I try to wake from my phone with an app called "WOL wake on lan" it does not work locally either, but I'll get to that later) Anyway, when the machine is turned on, and I let it 'listen' for incoming magic packets (with a program called "WOL magic packet sender") on my specified port, it does receive them, though when turned off, the machine does not wake. When sending from phone, either locally or via 3G remotely, it does receive but does not wake as well. Because the machine does receive them when turned on and listening, but does not wake when turned off, I am convinced the cause of the problem is my receiving PC, rather than the router or the sender. Some extra info: The receiving machine is a PC running Windows 7 64bit. My router is the Netgear JWNR2000v2. I have the port I use forwarded to my PC's static IP in the router. If anyone could help, or just share your own story with the same problem, maybe we can work this out. Thanks a lot in advance.

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• Remote Desktop Services Licensing - Does server have to have a RDS role?

  - by transistor1

  I recently set up a "micro" size Windows 2008 Datacenter server on Amazon AWS. My small group needs several concurrent RDS users to be able to access the machine. Without installing the "Remote Desktop Server" role, it allows 2 concurrent connections. I read on MS' website that in order to set up multiple users, we needed to install the RDS role. I did so, but now the application we are trying to share is running much slower than it was before. Prior to the role installation, it was taking about 5 seconds to open; now it is taking a few minutes to open -- without any other users logged on except me. My assumption is that the RDS role may be too much for this micro instance to handle, and currently, changing to another size instance is not an option (it may be possible later if we were to receive enough funding). This leads me to the following questions: 1) Is it a sensible assessment to assume that it is the RDS role is slowing things down, or are there other things that I could look at to speed it up? We are talking about a machine with ~600MB of memory. 2) If I revert back to the pre-RDS role, is there any legitimate way (in terms of purchasing RDS licenses) to get more than 2 concurrent desktops? I did read this, and am not questioning that the answerer is knowlegeable; but someone else may have some other experience. I am also making it clear that we want to do this in a legitimate way. Thanks in advance for any assistance that can be provided! EDIT: if it is helpful in answering the question, the application in question is a Lotus Approach database. Also, I am asking this from a technical perspective: not a legal one. I want to know if it is possible to install valid licenses without the RDS role.

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• Connect to running web role on Azure using Remote Desktop Connection and VS2012

  - by Magnus Karlsson

  We want to be able to collect IntelliTrace information from our running app and also use remote desktop to connect to the IIS and look around(probably debugging). 1. Create certificate 1.1 Right-click the cloud project (marked in red) and select “Configure remote desktop”. 1.2 In the drop down list of certificates, choose <create> at the bottom. 1.3. Follow the instructions, you can set it up with default values. 1.4 When done. Choose the certificate and click “Copy to File…” as seen in the left of the picture above. 1.5. Save the file with any name you want. Now we will save it to local storage to be able to import it to our solution through the azure configuration manager in step 3. 2. Save certificate to local storage Now we need to attach it to our local certificate storage to be able to reach it from our confiuguration manager in visual studio. Microsoft provides the following steps for doing this: http://support.microsoft.com/kb/232137 In order to view the Certificates store on the local computer, perform the following steps: Click Start, and then click Run. Type "MMC.EXE" (without the quotation marks) and click OK. Click Console in the new MMC you created, and then click Add/Remove Snap-in. In the new window, click Add. Highlight the Certificates snap-in, and then click Add. Choose the Computer option and click Next. Select Local Computer on the next screen, and then click OK. Click Close , and then click OK. You have now added the Certificates snap-in, which will allow you to work with any certificates in your computer's certificate store. You may want to save this MMC for later use. Now that you have access to the Certificates snap-in, you can import the server certificate into you computer's certificate store by following these steps: Open the Certificates (Local Computer) snap-in and navigate to Personal, and then Certificates. Note: Certificates may not be listed. If it is not, that is because there are no certificates installed. Right-click Certificates (or Personal if that option does not exist.) Choose All Tasks, and then click Import. When the wizard starts, click Next. Browse to the PFX file you created containing your server certificate and private key. Click Next. Enter the password you gave the PFX file when you created it. Be sure the Mark the key as exportable option is selected if you want to be able to export the key pair again from this computer. As an added security measure, you may want to leave this option unchecked to ensure that no one can make a backup of your private key. Click Next, and then choose the Certificate Store you want to save the certificate to. You should select Personal because it is a Web server certificate. If you included the certificates in the certification hierarchy, it will also be added to this store. Click Next. You should see a summary of screen showing what the wizard is about to do. If this information is correct, click Finish. You will now see the server certificate for your Web server in the list of Personal Certificates. It will be denoted by the common name of the server (found in the subject section of the certificate). Now that you have the certificate backup imported into the certificate store, you can enable Internet Information Services 5.0 to use that certificate (and the corresponding private key). To do this, perform the following steps: Open the Internet Services Manager (under Administrative Tools) and navigate to the Web site you want to enable secure communications (SSL/TLS) on. Right-click on the site and click Properties. You should now see the properties screen for the Web site. Click the Directory Security tab. Under the Secure Communications section, click Server Certificate. This will start the Web Site Certificate Wizard. Click Next. Choose the Assign an existing certificate option and click Next. You will now see a screen showing that contents of your computer's personal certificate store. Highlight your Web server certificate (denoted by the common name), and then click Next. You will now see a summary screen showing you all the details about the certificate you are installing. Be sure that this information is correct or you may have problems using SSL or TLS in HTTP communications. Click Next, and then click OK to exit the wizard. You should now have an SSL/TLS-enabled Web server. Be sure to protect your PFX files from any unwanted personnel. Image of a typical MMC.EXE with the certificates up.   3. Import the certificate to you visual studio project. 3.1 Now right click your equivalent to the MvcWebRole1 (as seen in the first picture under the red oval) and choose properties. 3.2 Choose Certificates. Right click the ellipsis to the right of the “thumbprint” and you should be able to select your newly created certificate here. After selecting it- save the file.   4. Upload the certificate to your Azure subscription. 4.1 Go to the azure management portal, click the services menu icon to the left and choose the service. Click Upload in the bottom menu.     5. Connect to server. Since I tried to use account settings(have to use another name) we have to set up a new name for the connection. No biggie. 5.1 Go to azure management portal, select your service and in the bottom menu, choose “REMOTE”. This will display the configuration for remote connection. It will actually change your ServiceConfiguration.cscfg file. After you change It here it might be good to choose download and replace the one in your project. Set a name that is not your windows azure account name and not Administrator. 5.2 Goto visual studio, click Server Explorer. Choose as selected in the picture below and click “COnnect using remote desktop”.   5.2 You will now be able to log in with the name and password set up in step 5.1. and voila! Windows server 2012, IIS and other nice stuff!   To do this one I’ve been using http://msdn.microsoft.com/en-us/library/windowsazure/ff683671.aspx where you can collect some of this information and additional one.

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