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• MythTV GUI problems

  - by oli206

  Hi, I'm using MythTV to watch TV on my ubuntu computer and I'm having a problem with the resolution. It seems that the GUI resolution is matched with the channel resolution, so If I'm watching a HD channel, I get a nice GUI but If I'm watching a SD channel, then it's crap. A couple of screenshots to show the difference: High Definition Channel: Standard Definition Channel: I haven't found any similar issue in the internet and neither an option in the settings menu of MythTV (backend and frontend). I have another small problem that you can see in the first screenshot, the channel name is cut (it shows "Telemadri" and the last letter is not completely shown). Anyone know how can I fix this too? Thanks in advance

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• Tutorial (or livedisk) for multiseat setup with dual-head display supporting openGL direct rendering?

  - by Tobias Kienzler

  I'm currently running Ubuntu 10.10 (64 bit), the GPU is an ATI Radeon HD 4290 onboard a ASUS M4A89GTD PRO/USB3 mainboard. The Ubuntu wiki doesn't cover 10.10 yet and I also don't know if that method would support direct rendering. I heard mentions of xephyr and xgl, what are the differences? Where should I start? I tried the mdm livedisk but that doesn't boot. I'm also willing to try a different distribution if necessary. Edit: 1 Will the HowTo: A well performing, full eye-candy, accelerated pseudo-multiseat setup on a single dualhead GPU. for Ubuntu 9.04 still work? I'm afraid it omits how to setup two input devices and sound however... Edit: 2 http://multiseatonlinux.blogspot.com/2010/06/part-1-setting-up-base.html covers 10.10 but requires pinning gdm. Is that circumvenatable? Also how does that setup have to be modified for dual-head?

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• How do I get my ART USB Dual Pre preamp to work?

  - by Zach

  I am using Audacity. I have an ART USB Dual Pre preamp. Ubuntu is not recognizing it whatsoever. I am able to record in Audacity, but it is using the mic that is built into my computer (which is a compaq Presario CQ50) instead of the one plugged into the preamp. How do I get Ubuntu to recognize the preamp that is plugged into my computer? Something tells me it has to do with the installation of the preamp software. It came with a installation CD, but when I go to "install", the nothing happens. I can view what is on the CD, but there is no installing of anything. Please help!

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• Dual Monitor/Xinerama not working; cannot even detect on-board graphic card

  - by Steven H

  I have Kubuntu 12.04 and two identical VGA monitors. One I plugged via DVI-VGA adapter into the DVI port of my discrete AMD Radeon HD 6670, the other into the VGA port of my on-board graphic card (Radeon HD 6410D). After installing Kubuntu I got a black screen, so I booted with nomodeset and installed AMD's catalyst drivers but only the monitor plugged into the discrete graphic card worked. Using lspci I saw that the on-board graphics was not listed. Then I found in the BIOS settings the options "Surround View" and "Onboard Dual Link DVI" both disabled. After enabling both, the on-board graphics card shows up in lspci but in amdcccle, it only shows as [Uknown display]Uknown adapter. When I try to enable xinerama, I get a black screen after rebooting on both monitors. I tried several options and hints from the web but nothing worked so far. I also reinstalled the AMD drivers several times. What should I do?

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• Aironet 1200's Auto-Channel Feature: When should it be used?

  - by Josh Brower

  In our building we have around 25 1200 series Aironets, with a bit of overlap in some areas. Up until this point, we have had them deployed in alternating 1/6/11 channels, but we are wondering if we would get better performance if we used the auto-channel select feature. In looking around, I have seen comments that this feature should not be used as the WAP does a channel scan only on the radio startup, but I have not found this in any Cisco docs. Anybody have anymore information, or real-world experience with this feature? Thanks! -Josh

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• Dual Boot 10.10 and 11.04 can't boot into 10.10 after an update.

  - by Gaurav Butola

  I've been dual booting my system with Ubuntu 10.10 (Maverick Meerkat) and 11.04 (Natty Narwhal) but today after an update, I can't boot into 10.10, there's only option to boot into 11.04 and Grub also looks a bit different. Before this update, I used to see first option for 11.04 and an other option called /dev/sda1 for 10.10 but now there is a new option called Previous Linux Versions, but when I Enter into that menu, there is no option to boot into 10.10 all the options take me to 11.04 now it looks like this... And when I click on Previous Linux Versions...

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• On Windows 7, how can I tell if a recording is multi-channel without third party tools? [migrated]

  - by engineerchuan

  A customer has an audio that is confidential and can't send it to me. He also would not like to install other tools. He has a basic Windows 7 install. Is there any way to tell whether the recording is one channel or two channel? Normally, I would just get the audio and soxi it. Or, I would tell him to install Audacity or equivalent sound editor and open it up. I also thought that if you right clicked and looked at the size, bit rate, and length, you could get number of channels but bit rate already factors in number of channels. Sorry I'm not giving you a lot to work with.

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• On Windows 7, how can I tell if a recording is multi-channel without third party tools?

  - by engineerchuan

  A customer has an audio that is confidential and can't send it to me. He also would not like to install other tools. He has a basic Windows 7 install. Is there any way to tell whether the recording is one channel or two channel? Normally, I would just get the audio and soxi it. Or, I would tell him to install Audacity or equivalent sound editor and open it up. I also thought that if you right clicked and looked at the size, bit rate, and length, you could get number of channels but bit rate already factors in number of channels. Sorry I'm not giving you a lot to work with.

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• On a dual monitor setup, how can I set which lone monitor the ALT-TAB interface appears?

  - by conner_bw

  On a dual monitor setup, how can I set which monitor the ALT-TAB (or ALT+`) interfaces appear? Right now, it's flying all over the place, possibly based on on which app is focused? I'm not sure. In any case this is not useful to me. I spend 80% of my time staring at the monitor in front of me, and sometimes I turn my head to the left to look at logs, or whatever. When I press ALT-TAB or ALT+`, I want the interface to appear, 100% of the time, on the monitor in front of me. Geforce GT 430, NVIDIA binary drivers, Ubuntu 12.04 LTS. Help?

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• Is it better to use a crowded 2.4GHz Wi-Fi channel 1, 6, 11 or "unused" 3, 4, 8, or 9?

  - by Luke

  I understand that 2.4GHz Wi-Fi channels overlap, and that the only non-overlapping channels in the US are 1, 6, and 11. Generally, my signal strength on channels 1, 6, and 11 are much stronger than my neighbors' on the same channel. However, several of the channels may have 4 or 5 others on that same channel. In this scenario, is it better to use 3, 4, 8, or 9? Or is it better to use the crowded channels 1, 6, and 11? As a secondary question, does it even matter that my signal strength is much higher than theirs? Related: Why use wifi channels other than 1, 6 or 11?

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• Performance issues with jms and spring integration. What is wrong with the following configuration?

  - by user358448

  I have a jms producer, which generates many messages per second, which are sent to amq persistent queue and are consumed by single consumer, which needs to process them sequentially. But it seems that the producer is much faster than the consumer and i am having performance and memory problems. Messages are fetched very very slowly and the consuming seems to happen on intervals (the consumer "asks" for messages in polling fashion, which is strange?!) Basically everything happens with spring integration. Here is the configuration at the producer side. First stake messages come in stakesInMemoryChannel, from there, they are filtered throw the filteredStakesChannel and from there they are going into the jms queue (using executor so the sending will happen in separate thread) <bean id="stakesQueue" class="org.apache.activemq.command.ActiveMQQueue"> <constructor-arg name="name" value="${jms.stakes.queue.name}" /> </bean> <int:channel id="stakesInMemoryChannel" /> <int:channel id="filteredStakesChannel" > <int:dispatcher task-executor="taskExecutor"/> </int:channel> <bean id="stakeFilterService" class="cayetano.games.stake.StakeFilterService"/> <int:filter input-channel="stakesInMemoryChannel" output-channel="filteredStakesChannel" throw-exception-on-rejection="false" expression="true"/> <jms:outbound-channel-adapter channel="filteredStakesChannel" destination="stakesQueue" delivery-persistent="true" explicit-qos-enabled="true" /> <task:executor id="taskExecutor" pool-size="100" /> The other application is consuming the messages like this... The messages come in stakesInputChannel from the jms stakesQueue, after that they are routed to 2 separate channels, one persists the message and the other do some other stuff, lets call it "processing". <bean id="stakesQueue" class="org.apache.activemq.command.ActiveMQQueue"> <constructor-arg name="name" value="${jms.stakes.queue.name}" /> </bean> <jms:message-driven-channel-adapter channel="stakesInputChannel" destination="stakesQueue" acknowledge="auto" concurrent-consumers="1" max-concurrent-consumers="1" /> <int:publish-subscribe-channel id="stakesInputChannel" /> <int:channel id="persistStakesChannel" /> <int:channel id="processStakesChannel" /> <int:recipient-list-router id="customRouter" input-channel="stakesInputChannel" timeout="3000" ignore-send-failures="true" apply-sequence="true" > <int:recipient channel="persistStakesChannel"/> <int:recipient channel="processStakesChannel"/> </int:recipient-list-router> <bean id="prefetchPolicy" class="org.apache.activemq.ActiveMQPrefetchPolicy"> <property name="queuePrefetch" value="${jms.broker.prefetch.policy}" /> </bean> <bean id="connectionFactory" class="org.springframework.jms.connection.CachingConnectionFactory"> <property name="targetConnectionFactory"> <bean class="org.apache.activemq.ActiveMQConnectionFactory"> <property name="brokerURL" value="${jms.broker.url}" /> <property name="prefetchPolicy" ref="prefetchPolicy" /> <property name="optimizeAcknowledge" value="true" /> <property name="useAsyncSend" value="true" /> </bean> </property> <property name="sessionCacheSize" value="10"/> <property name="cacheProducers" value="false"/> </bean>

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• Triple-monitor set-up (2 unique, 1 cloned): Can a VGA splitter be used on one output of a dual-head

  - by stakx

  Background: I'm currently researching hardware components for some kind of information terminal we're building. This application of ours makes use of three output screens: (1) A touch screen where all user input is made; (2) A regular LCD monitor where the requested information is being displayed; and (3) A projector which displays exactly the same signal as screen (2) does. (All screens will run at the same resolution of 1024x768 btw.) Now I figured that using a dual-head video card would be sufficient, let's say a Matrox P690 low-profile PCI card. This would involve having a Y cable connected to the graphics card itself, then two DVI-to-VGA adapters at each end of the Y cable, and then having a VGA splitter on one of the VGA outputs. The following shows the setup in question: 0--1---------2-> VGA (DSUB-15) \ \ ----2-3---------> VGA (DSUB-15) \ \ -----------------> VGA (DSUB-15) 0: graphics card (LFH60 jack) 1: LFH60 to DVI-I dual monitor Y cable 2: DVI-to-VGA adapters 3: VGA splitter cable Question(s): Will this work? I'm particularly concerned about the following points: Can a low-profile PCI video card output a signal which is strong enough for three monitors (even if it's a dual-head card)? Does the combination of so many adapters and splitter cables work? (The LFH-to-DVI cable comes with the video card) Will the VGA splitter cable degrade the signal on the output screen & projector significantly? (If so, would a USB-powered splitter cable remedy this problem?) I can't possibly expect anyone to answer all those questions, but any input is appreciated.

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• Certain SFTP user cannot connect

  - by trobrock

  I have my Ubuntu Server set up so users with the group of sftponly can connect with sftp, but have a shell of /bin/false, and they connect to their home directories. This is working fine with three of the user accounts I have. But I added a new user account today the same way that I added the others and it will not successfully connect. sftp -vvv user@hostname debug1: Next authentication method: password user@hostname's password: debug3: packet_send2: adding 48 (len 73 padlen 7 extra_pad 64) debug2: we sent a password packet, wait for reply debug1: Authentication succeeded (password). debug2: fd 5 setting O_NONBLOCK debug3: fd 6 is O_NONBLOCK debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Requesting [email protected] debug1: Entering interactive session. debug1: channel 0: free: client-session, nchannels 1 debug3: channel 0: status: The following connections are open: #0 client-session (t3 r-1 i0/0 o0/0 fd 5/6 cfd -1) debug3: channel 0: close_fds r 5 w 6 e 7 c -1 debug1: fd 0 clearing O_NONBLOCK debug3: fd 1 is not O_NONBLOCK Connection to hostname closed by remote host. Transferred: sent 2176, received 1848 bytes, in 0.0 seconds Bytes per second: sent 127453.3, received 108241.6 debug1: Exit status -1 Connection closed For a successful user: sftp -vvv good_user@hostname debug1: Next authentication method: password good_user@hostname's password: debug3: packet_send2: adding 48 (len 63 padlen 17 extra_pad 64) debug2: we sent a password packet, wait for reply debug1: Authentication succeeded (password). debug2: fd 5 setting O_NONBLOCK debug3: fd 6 is O_NONBLOCK debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Requesting [email protected] debug1: Entering interactive session. debug2: callback start debug2: client_session2_setup: id 0 debug1: Sending subsystem: sftp debug2: channel 0: request subsystem confirm 1 debug2: fd 3 setting TCP_NODELAY debug2: callback done debug2: channel 0: open confirm rwindow 0 rmax 32768 debug2: channel 0: rcvd adjust 2097152 debug2: channel_input_status_confirm: type 99 id 0 debug2: subsystem request accepted on channel 0 debug2: Remote version: 3 debug2: Server supports extension "[email protected]" revision 1 debug2: Server supports extension "[email protected]" revision 2 debug2: Server supports extension "[email protected]" revision 2 debug3: Sent message fd 3 T:16 I:1 debug3: SSH_FXP_REALPATH . -> / sftp> I cannot figure out why one user will work and the other wont, I have restart the ssh service after adding the user. I have even removed the user and added them again to be sure I am adding it correctly.

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• Forward all traffic through an ssh tunnel

  - by Eamorr

  I hope someone can follow this and I'll explain as best I can. I'm trying to forward all traffic from port 6999 on x.x.x.224, through an ssh tunnel, and onto port 7000 on x.x.x.218. Here is some ASCII art: |browser|-----|Squid on x.x.x.224|------|ssh tunnel|------<satellite link>-----|Squid on x.x.x.218|-----|www| 3128 6999 7000 80 When I remove the ssh tunnel, everything works fine. The idea is to turn off encryption on the ssh tunnel (to save bandwidth) and turn on maximum compression (to save more bandwidth). This is because it's a satellite link. Here's the ssh tunnel I've been using: ssh -C -f -C -o CompressionLevel=9 -o Cipher=none [email protected] -L 7000:172.16.1.224:6999 -N The trouble is, I don't know how to get data from Squid on x.x.x.224 into the ssh tunnel? Am I going about this the wrong way? Should I create an ssh tunnel on x.x.x.218? I use iptables to stop squid on x.x.x.224 from reading port 80, but to feed from port 6999 instead (i.e. via the ssh tunnel). Do I need another iptables rule? Any comments greatly appreciated. Many thanks in advance, Regarding Eduardo Ivanec's question, here is a netstat -i any port 7000 -nn dump from x.x.x.218: 14:42:15.386462 IP 172.16.1.224.40006 > 172.16.1.218.7000: Flags [S], seq 2804513708, win 14600, options [mss 1460,sackOK,TS val 86702647 ecr 0,nop,wscale 4], length 0 14:42:15.386690 IP 172.16.1.218.7000 > 172.16.1.224.40006: Flags [R.], seq 0, ack 2804513709, win 0, length 0 Update 2: When I run the second command, I get the following error in my browser: ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://109.123.109.205/index.php Zero Sized Reply Squid did not receive any data for this request. Your cache administrator is webmaster. Generated Fri, 01 Jul 2011 16:06:06 GMT by remote-site (squid/2.7.STABLE9) remote-site is 172.16.1.224 When I do a tcpdump -i any port 7000 -nn I get the following: root@remote-site:~# tcpdump -i any port 7000 -nn tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on any, link-type LINUX_SLL (Linux cooked), capture size 65535 bytes channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused channel 2: open failed: connect failed: Connection refused

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• Failure to Boot 12.04 on HP AMD Dual Core. Rescue Mode doesn't even come up

  - by L R Bellmore Jr

  I have 12.04 installed on HP 64 bit dual core AMD laptop.. worked great until about 1-2 months ago.. now takes 1/2 hour to 25 hours to boot if it ever does. A minor number of times I get the HP logo with hash lines on screen and it just hangs... When it finally boots 95% it will run until I turn it off days later to see if any of the upgrades fixed the problem. Currently, if it boots, it is random.. .left on over night .. 2 nights ago and came back to a HP logo with Hash Lines horizontal across the screen.. frozen.. rebooted back to black screen.. no HP logo... Most often when it does boot.. no HP logo.. just cursor shows up.. and then I know it will finally load... computer has been made worthless and it is my work computer..HELP PLEASE... Rescue Mode can't be invoked.. computer doesnt respond.. has shown up 3 times in about 100 and when I have tried it... 1 time it resulted in a boot up but then failed in a couple hours.

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• How to get Unity working on dual gpu laptop?

  - by Mourgos

  I recently bought a new laptop (Asus X53S series) that has two GPUs, an NVidia GeForce GT 540M and an integrated Intel GPU (I believe it's called Intel HD graphics 3000). I installed the recommended restricted NVidia drivers after a clean Ubuntu 11.10 install. In the 'additional drivers' program I get the message: "This driver is enabled and in use", although when I try to open the NVidia X Server Settings it says "You do not appear to be using the NVIDIA X driver." which seems to be the case since Ubuntu only starts using Unity 2D. I've had the same issue in 11.04 and I was forced to use the nouveau driver just to get unity working, but since I get quite a few crashes with it I really want to get the propriety driver working this time around. Since I've never had this issue with older laptops, I can only assume it is caused due to the dual gpu configuration. How do I get Ubuntu to use the propriety drivers, or is there any workaround to get the integrated Intel GPU to be ignored by Ubuntu? Alternatively, has anyone got Unity working with a similar setup?

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• Windows partition UNKNOWN after Ubuntu installation attempt at dual boot - How to fix?

  - by user285645

  The idea was to install Win 7 and Ubuntu with dual boot. However, after installation, Gparted shows a /dev/sda1 as an 'unknown' filesystem and its size is 278 GB. All my windows files, data are in this partition. THen, there's /dev/sda2 with 'EXT4' filesystem (size-9.54 GB) - created during Ubuntu install. Then, there's /dev/sda3 with 'extended' filesystem (size- 10.5 GB) - created during Ubuntu install. Then, there's /dev/sda5 with 'linux swap' filesystem (size- 2 GB) - created during Ubuntu install. Then, there's /dev/sda6 with 'ext4' filesystem (size- 8.5 GB) - created during Ubuntu install. MY questions are: What exactly does this Gparted output above mean? How to recover my previous Windows 7 installation that's in /dev/sda1 (NTFS). I have some important files I need. Also, I had a PGP encryption on the disk before installing Ubuntu. Now, it just boots straight into Ubuntu... why? How to uninstall Ubuntu (the Try ubuntu and uninstall did not work. the boot-repair did not work) I have read other topics but noone has provided a proper step by step answer to how to recover my 278GB WIndows partition. The testdisk step by step procedure did not work. It says the NTFS disk is unrecognized.

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• How to dual boot Ubuntu 12.10 and Windows XP sp3 on Dell Dimension 8250 desktop using 2 hard drives

  - by user106055

  I'd like instructions to dual boot Ubuntu 12.10 and Windows XP (sp3) on my desktop Dell Dimension 8250 (this is old and has 1.5 GB RAM which is maximum). I will be using 2 hard drives. Windows XP is already on a 120 GB drive and and Ubuntu 12.10 will go on a separate 80 GB hard drive. Both drives are IDE using a 80 conductor cable where the 40 pin blue connector connects to the motherboard. The middle connector is gray and is "normally" used for slave (device 1) and the black connector at the very end of the cable is meant for the master drive (device 0) or a single drive if only one is used. First, I do not wish the XP drive to have its boot modified by Ubuntu in any way. It should remain untouched...virgin. Let me know where the XP drive and the Ubuntu drive should be connected based upon the cable I've mentioned above, as well as jumper settings for both during the whole process. I'm just guessing, but should I remove the XP drive and put the empty Ubuntu drive in its place and install Ubuntu? By the way, I already have made the DVD ISO disk. For your information, the BIOS for this machine is version A03. When I tap F12 to get to the boot menu, I have the following choices: Normal (this will take me to a black screen with white type giving me the choice to boot to XP or to my external USB backup recovery drive) Diskette Drive Hard-Disk Drive c: IDE CD-ROM Drive (Note that if the CD Drive is empty, it will then go to the DVD drive) System Setup IDE Drive Diagnostics Boot to Utility Partition (This is Dell's various testing utilities) Thank you in advance for your help. Guy

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• WTSVirtualChannelRead Only reads the first letter of the string.

  - by Scott Chamberlain

  I am trying to write a hello world type program for using virtual channels in the windows terminal services client. public partial class Form1 : Form { public Form1() { InitializeComponent(); } IntPtr mHandle = IntPtr.Zero; private void Form1_Load(object sender, EventArgs e) { mHandle = NativeMethods.WTSVirtualChannelOpen(IntPtr.Zero, -1, "TSCRED"); if (mHandle == IntPtr.Zero) { throw new Win32Exception(Marshal.GetLastWin32Error()); } } private void button1_Click(object sender, EventArgs e) { uint bufferSize = 1024; StringBuilder buffer = new StringBuilder(); uint bytesRead; NativeMethods.WTSVirtualChannelRead(mHandle, 0, buffer, bufferSize, out bytesRead); if (bytesRead == 0) { MessageBox.Show("Got no Data"); } else { MessageBox.Show("Got data: " + buffer.ToString()); } } protected override void Dispose(bool disposing) { if (mHandle != System.IntPtr.Zero) { NativeMethods.WTSVirtualChannelClose(mHandle); } base.Dispose(disposing); } } internal static class NativeMethods { [DllImport("Wtsapi32.dll")] public static extern IntPtr WTSVirtualChannelOpen(IntPtr server, int sessionId, [MarshalAs(UnmanagedType.LPStr)] string virtualName); //[DllImport("Wtsapi32.dll", SetLastError = true)] //public static extern bool WTSVirtualChannelRead(IntPtr channelHandle, long timeout, // byte[] buffer, int length, ref int bytesReaded); [DllImport("Wtsapi32.dll")] public static extern bool WTSVirtualChannelClose(IntPtr channelHandle); [DllImport("Wtsapi32.dll", EntryPoint = "WTSVirtualChannelRead")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool WTSVirtualChannelRead( [In()] System.IntPtr hChannelHandle , uint TimeOut , [Out()] [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder Buffer , uint BufferSize , [Out()] out uint pBytesRead); } I am sending the data from the MSTSC COM object and ActiveX controll. public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { rdp.Server = "schamberlainvm"; rdp.UserName = "TestAcct"; IMsTscNonScriptable secured = (IMsTscNonScriptable)rdp.GetOcx(); secured.ClearTextPassword = "asdf"; rdp.CreateVirtualChannels("TSCRED"); rdp.Connect(); } private void button1_Click(object sender, EventArgs e) { rdp.SendOnVirtualChannel("TSCRED", "Hello World!"); } } //Designer code // // rdp // this.rdp.Enabled = true; this.rdp.Location = new System.Drawing.Point(12, 12); this.rdp.Name = "rdp"; this.rdp.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("rdp.OcxState"))); this.rdp.Size = new System.Drawing.Size(1092, 580); this.rdp.TabIndex = 0; I am getting a execption every time NativeMethods.WTSVirtualChannelRead runs Any help on this would be greatly appreciated. EDIT -- mHandle has a non-zero value when the function runs. updated code to add that check. EDIT2 -- I used the P/Invoke Interop Assistant and generated a new sigiture [DllImport("Wtsapi32.dll", EntryPoint = "WTSVirtualChannelRead")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool WTSVirtualChannelRead( [In()] System.IntPtr hChannelHandle , uint TimeOut , [Out()] [MarshalAs(UnmanagedType.LPStr)] StringBuilder Buffer , uint BufferSize , [Out()] out uint pBytesRead); it now receives the text string (Yea!) but it only gets the first letter of my test string(Boo!). Any ideas on what is going wrong? EDIT 3 --- After the call that should of read the hello world; BytesRead = 24 Buffer.Length = 1; Buffer.Capacity = 16; Buffer.m_StringValue = "H";

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• Access Violation Exception when trying to perform WTSVirtualChannelRead

  - by Scott Chamberlain

  I am trying to write a hello world type program for using virtual channels in the windows terminal services client. public partial class Form1 : Form { public Form1() { InitializeComponent(); } IntPtr mHandle = IntPtr.Zero; private void Form1_Load(object sender, EventArgs e) { mHandle = NativeMethods.WTSVirtualChannelOpen(IntPtr.Zero, -1, "TSCRED"); } private void button1_Click(object sender, EventArgs e) { int bufferSize = 1024; byte[] buffer = new byte[bufferSize]; int bytesRead = 0; NativeMethods.WTSVirtualChannelRead(mHandle, 0, buffer, bufferSize, ref bytesRead); if (bytesRead != 0) { MessageBox.Show("Got no Data"); } else { MessageBox.Show("Got data: " + bytesRead); } } protected override void Dispose(bool disposing) { if (mHandle != System.IntPtr.Zero) { NativeMethods.WTSVirtualChannelClose(mHandle); } base.Dispose(disposing); } } internal static class NativeMethods { [DllImport("Wtsapi32.dll")] public static extern IntPtr WTSVirtualChannelOpen(IntPtr server, int sessionId, [MarshalAs(UnmanagedType.LPStr)] string virtualName); [DllImport("Wtsapi32.dll", SetLastError = true)] public static extern bool WTSVirtualChannelRead(IntPtr channelHandle, long timeout, byte[] buffer, int length, ref int bytesReaded); [DllImport("Wtsapi32.dll")] public static extern bool WTSVirtualChannelClose(IntPtr channelHandle); } On NativeMethods.WTSVirtualChannelRead(mHandle, 0, buffer, bufferSize, ref bytesRead); I get the following error every time. System.AccessViolationException was unhandled by user code Message=Attempted to read or write protected memory. This is often an indication that other memory is corrupt. Source=RemoteForm StackTrace: at RemoteForm.NativeMethods.WTSVirtualChannelRead(IntPtr channelHandle, Int64 timeout, Byte[] buffer, Int32 length, Int32& bytesReaded) at RemoteForm.Form1.button1_Click(Object sender, EventArgs e) in E:\Visual Studio 2010\Projects\RemoteForm\Form1.cs:line 31 at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) InnerException: I am sending the data from the MSTSC COM object and ActiveX controll. public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { rdp.Server = "schamberlainvm"; rdp.UserName = "TestAcct"; IMsTscNonScriptable secured = (IMsTscNonScriptable)rdp.GetOcx(); secured.ClearTextPassword = "asdf"; rdp.CreateVirtualChannels("TSCRED"); rdp.Connect(); } private void button1_Click(object sender, EventArgs e) { rdp.SendOnVirtualChannel("TSCRED", "This is a test"); } } //Designer code // // rdp // this.rdp.Enabled = true; this.rdp.Location = new System.Drawing.Point(12, 12); this.rdp.Name = "rdp"; this.rdp.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("rdp.OcxState"))); this.rdp.Size = new System.Drawing.Size(1092, 580); this.rdp.TabIndex = 0; Any help on this would be greatly appreciated.

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• Testing SocketChannel NIO

  - by hotzen

  Hello, I just wrote some NIO-code and wonder how to stress-test my implementation regarding SocketChannel.write(ByteBuffer) not able to write the whole byte-buffer SocketChannel.read(ByteBuffer) reading the data in chunks into ByteBuffer are there some simple linux-utilities like telnet to open a ServerSocket with some buffering-options?

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• How to calculate the average rgb color values of a bitmap

  - by Matthias

  In my C# (3.5) application I need to get the average color values for the red, green and blue channels of a bitmap. Preferably without using an external library. Can this be done? If so, how? Thanks in advance. Trying to make things a little more precise: Each pixel in the bitmap has a certain RGB color value. I'd like to get the average RGB values for all pixels in the image.

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• Create two semi-transparent images that when stacked produce the target image

  - by posfan12

  Due to CSS limitations I am forced to stack to semi-transparent images on my website. I won't go into detail regarding the CSS since if I can get this question answered the problem is moot. Anyway, I would like to modify image A in the GIMP such that it will look like it did originally after being stacked on top of image B. Both image A and image B have their opacities set to 50%. Image B is a solid color throughout, whereas image A has some minor details such as a gradient. Here's what it looks like before image B is applied on top (and what it should look like in the end): [URL=http://s421.photobucket.com/albums/pp292/SharkD2161/Support/Website/?action=view&current=website_testing_target_image.png][IMG]http://i421.photobucket.com/albums/pp292/SharkD2161/Support/Website/th_website_testing_target_image.png[/IMG][/URL] Here's what it looks like after image B has been applied on top: [URL=http://s421.photobucket.com/albums/pp292/SharkD2161/Support/Website/?action=view&current=website_testing_undesired_result.png][IMG]http://i421.photobucket.com/albums/pp292/SharkD2161/Support/Website/th_website_testing_undesired_result.png[/IMG][/URL] Thanks! Mike

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• SSH login very slow on OS X Leopard

  - by acjohnson55

  My SSH sessions take a very long time to initiate. This applies for logins with and without passwords, interactive and non-interactive. I have tried setting 'GSSAPIAuthentication no' and 'IPQoS 0x00' on the client side, and 'UseDNS no' on the server side, but no dice. I'm really stumped and frustrated. The worst part is that it SFTP takes forever to establish connections too, making file transfer much longer than it would be otherwise. I thought the problem might be something with PAM, because of where the hang is in the sshd log below, so I tried commenting out each line one-by-one in the /etc/pam.d/sshd file. Some caused login to be impossible, some had no apparent effect. I can't really tell if PAM is stalling for other services, but I can say that su'ing into my account from another account with 'su -l' has no apparent delay. I tried creating a new user account, just to see if there was something wrong with my existing account, and the same problem persisted. Any ideas of what's going on? On the client side, the most verbose mode outputs (redacted where reasonable): OpenSSH_5.9p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration data ... debug1: ... line 1: Applying options for ... debug1: Reading configuration data /etc/ssh_config debug1: /etc/ssh_config line 20: Applying options for * debug1: /etc/ssh_config line 53: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to ... [x.x.x.x] port 22. debug1: Connection established. debug1: identity file /.../.ssh/id_rsa type -1 debug1: identity file /.../.ssh/id_rsa-cert type -1 debug3: Incorrect RSA1 identifier debug3: Could not load "/.../.ssh/id_dsa" as a RSA1 public key debug1: identity file /.../.ssh/id_dsa type 2 debug1: identity file /.../.ssh/id_dsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.2 debug1: match: OpenSSH_5.2 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.9 debug2: fd 3 setting O_NONBLOCK debug3: load_hostkeys: loading entries for host "..." from file "/.../.ssh/known_hosts" debug3: load_hostkeys: found key type RSA in file /.../.ssh/known_hosts:9 debug3: load_hostkeys: loaded 1 keys debug3: order_hostkeyalgs: prefer hostkeyalgs: [email protected],[email protected],ssh-rsa debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: [email protected],[email protected],ssh-rsa,[email protected],[email protected],ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: none,[email protected],zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,[email protected],hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: none,[email protected] debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_setup: found hmac-md5 debug1: kex: server->client aes128-ctr hmac-md5 none debug2: mac_setup: found hmac-md5 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 debug2: dh_gen_key: priv key bits set: 136/256 debug2: bits set: 523/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA ... debug3: load_hostkeys: loading entries for host "..." from file "/.../.ssh/known_hosts" debug3: load_hostkeys: found key type RSA in file /.../.ssh/known_hosts:9 debug3: load_hostkeys: loaded 1 keys debug3: load_hostkeys: loading entries for host "x.x.x.x" from file "/.../.ssh/known_hosts" debug3: load_hostkeys: found key type RSA in file /.../.ssh/known_hosts:9 debug3: load_hostkeys: loaded 1 keys debug1: Host '...' is known and matches the RSA host key. debug1: Found key in /.../.ssh/known_hosts:9 debug2: bits set: 492/1024 debug1: ssh_rsa_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /.../.ssh/id_dsa (0x7f8b7b41d6c0) debug2: key: /.../.ssh/id_rsa (0x0) debug1: Authentications that can continue: publickey,password,keyboard-interactive debug3: start over, passed a different list publickey,password,keyboard-interactive debug3: preferred publickey,keyboard-interactive,password debug3: authmethod_lookup publickey debug3: remaining preferred: keyboard-interactive,password debug3: authmethod_is_enabled publickey debug1: Next authentication method: publickey debug1: Offering DSA public key: /.../.ssh/id_dsa debug3: send_pubkey_test debug2: we sent a publickey packet, wait for reply debug1: Server accepts key: pkalg ssh-dss blen 434 debug2: input_userauth_pk_ok: fp ... debug3: sign_and_send_pubkey: DSA ... debug1: Authentication succeeded (publickey). Authenticated to ... ([x.x.x.x]:22). debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Requesting [email protected] debug1: Entering interactive session. ****** Hangs here ****** debug2: callback start debug2: client_session2_setup: id 0 debug2: fd 3 setting TCP_NODELAY debug2: channel 0: request pty-req confirm 1 debug1: Sending environment. debug3: Ignored env TERM_PROGRAM debug3: Ignored env SHELL debug3: Ignored env TERM debug3: Ignored env TMPDIR debug3: Ignored env Apple_PubSub_Socket_Render debug3: Ignored env TERM_PROGRAM_VERSION debug3: Ignored env TERM_SESSION_ID debug3: Ignored env USER debug3: Ignored env COMMAND_MODE debug3: Ignored env SSH_AUTH_SOCK debug3: Ignored env Apple_Ubiquity_Message debug3: Ignored env __CF_USER_TEXT_ENCODING debug3: Ignored env PATH debug3: Ignored env MKL_NUM_THREADS debug3: Ignored env PWD debug1: Sending env LANG = en_US.UTF-8 debug2: channel 0: request env confirm 0 debug3: Ignored env HOME debug3: Ignored env SHLVL debug3: Ignored env DYLD_LIBRARY_PATH debug3: Ignored env PYTHONPATH debug3: Ignored env LOGNAME debug3: Ignored env DISPLAY debug3: Ignored env SECURITYSESSIONID debug3: Ignored env _ debug2: channel 0: request shell confirm 1 debug2: callback done debug2: channel 0: open confirm rwindow 0 rmax 32768 debug2: channel_input_status_confirm: type 99 id 0 debug2: PTY allocation request accepted on channel 0 debug2: channel 0: rcvd adjust 2097152 debug2: channel_input_status_confirm: type 99 id 0 debug2: shell request accepted on channel 0 On the server side, the debug output looks like: Sep 16 18:46:40 ... sshd[31435]: debug1: inetd sockets after dupping: 3, 4 Sep 16 18:46:40 ... sshd[31435]: Connection from x.x.x.x port 52758 Sep 16 18:46:40 ... sshd[31435]: debug1: Current Session ID is 56AC0FB0 / Session Attributes are 00008000 Sep 16 18:46:40 ... sshd[31435]: debug1: Running in inetd mode in a non-root session... assuming inetd created the session for us. Sep 16 18:46:40 ... sshd[31435]: debug1: Client protocol version 2.0; client software version OpenSSH_5.9 Sep 16 18:46:40 ... sshd[31435]: debug1: match: OpenSSH_5.9 pat OpenSSH* Sep 16 18:46:40 ... sshd[31435]: debug1: Enabling compatibility mode for protocol 2.0 Sep 16 18:46:40 ... sshd[31435]: debug1: Local version string SSH-2.0-OpenSSH_5.2 Sep 16 18:46:40 ... sshd[31435]: debug1: Checking with Service ACLs for ssh login restrictions Sep 16 18:46:40 ... sshd[31435]: debug1: call to mbr_user_name_to_uuid with <...> suceeded to retrieve user_uuid Sep 16 18:46:40 ... sshd[31435]: debug1: Call to mbr_check_service_membership failed with status <0> Sep 16 18:46:40 ... sshd[31435]: debug1: PAM: initializing for "..." Sep 16 18:46:40 ... sshd[31435]: debug1: PAM: setting PAM_RHOST to "x.x.x.x" Sep 16 18:46:40 ... sshd[31435]: Failed none for ... from x.x.x.x port 52758 ssh2 Sep 16 18:46:40 ... sshd[31435]: debug1: temporarily_use_uid: 509/20 (e=0/0) Sep 16 18:46:40 ... sshd[31435]: debug1: trying public key file /.../.ssh/authorized_keys Sep 16 18:46:40 ... sshd[31435]: debug1: restore_uid: 0/0 Sep 16 18:46:40 ... sshd[31435]: debug1: temporarily_use_uid: 509/20 (e=0/0) Sep 16 18:46:40 ... sshd[31435]: debug1: trying public key file /.../.ssh/authorized_keys2 Sep 16 18:46:40 ... sshd[31435]: debug1: fd 5 clearing O_NONBLOCK Sep 16 18:46:40 ... sshd[31435]: debug1: matching key found: file /.../.ssh/authorized_keys2, line 1 Sep 16 18:46:40 ... sshd[31435]: Found matching DSA key: ... Sep 16 18:46:40 ... sshd[31435]: debug1: restore_uid: 0/0 Sep 16 18:46:40 ... sshd[31435]: debug1: temporarily_use_uid: 509/20 (e=0/0) Sep 16 18:46:40 ... sshd[31435]: debug1: trying public key file /.../.ssh/authorized_keys Sep 16 18:46:40 ... sshd[31435]: debug1: restore_uid: 0/0 Sep 16 18:46:40 ... sshd[31435]: debug1: temporarily_use_uid: 509/20 (e=0/0) Sep 16 18:46:40 ... sshd[31435]: debug1: trying public key file /.../.ssh/authorized_keys2 Sep 16 18:46:40 ... sshd[31435]: debug1: fd 5 clearing O_NONBLOCK Sep 16 18:46:40 ... sshd[31435]: debug1: matching key found: file /.../.ssh/authorized_keys2, line 1 Sep 16 18:46:40 ... sshd[31435]: Found matching DSA key: ... Sep 16 18:46:40 ... sshd[31435]: debug1: restore_uid: 0/0 Sep 16 18:46:40 ... sshd[31435]: debug1: ssh_dss_verify: signature correct Sep 16 18:46:40 ... sshd[31435]: debug1: do_pam_account: called Sep 16 18:46:40 ... sshd[31435]: Accepted publickey for ... from x.x.x.x port 52758 ssh2 Sep 16 18:46:40 ... sshd[31435]: debug1: monitor_child_preauth: ... has been authenticated by privileged process Sep 16 18:46:40 ... sshd[31435]: debug1: PAM: establishing credentials ***** Hangs here ***** Sep 16 18:46:54 ... sshd[31435]: User child is on pid 31654 Sep 16 18:46:54 ... sshd[31654]: debug1: PAM: establishing credentials Sep 16 18:46:54 ... sshd[31654]: debug1: permanently_set_uid: 509/20 Sep 16 18:46:54 ... sshd[31654]: debug1: Entering interactive session for SSH2. Sep 16 18:46:54 ... sshd[31654]: debug1: server_init_dispatch_20 Sep 16 18:46:54 ... sshd[31654]: debug1: server_input_channel_open: ctype session rchan 0 win 1048576 max 16384 Sep 16 18:46:54 ... sshd[31654]: debug1: input_session_request Sep 16 18:46:54 ... sshd[31654]: debug1: channel 0: new [server-session] Sep 16 18:46:54 ... sshd[31654]: debug1: session_new: session 0 Sep 16 18:46:54 ... sshd[31654]: debug1: session_open: channel 0 Sep 16 18:46:54 ... sshd[31654]: debug1: session_open: session 0: link with channel 0 Sep 16 18:46:54 ... sshd[31654]: debug1: server_input_channel_open: confirm session Sep 16 18:46:54 ... sshd[31654]: debug1: server_input_global_request: rtype [email protected] want_reply 0 Sep 16 18:46:54 ... sshd[31654]: debug1: server_input_channel_req: channel 0 request pty-req reply 1 Sep 16 18:46:54 ... sshd[31654]: debug1: session_by_channel: session 0 channel 0 Sep 16 18:46:54 ... sshd[31654]: debug1: session_input_channel_req: session 0 req pty-req Sep 16 18:46:54 ... sshd[31654]: debug1: Allocating pty. Sep 16 18:46:54 ... sshd[31435]: debug1: session_new: session 0 Sep 16 18:46:54 ... sshd[31654]: debug1: session_pty_req: session 0 alloc /dev/ttys008 Sep 16 18:46:54 ... sshd[31654]: debug1: server_input_channel_req: channel 0 request env reply 0 Sep 16 18:46:54 ... sshd[31654]: debug1: session_by_channel: session 0 channel 0 Sep 16 18:46:54 ... sshd[31654]: debug1: session_input_channel_req: session 0 req env Sep 16 18:46:54 ... sshd[31654]: debug1: server_input_channel_req: channel 0 request shell reply 1 Sep 16 18:46:54 ... sshd[31654]: debug1: session_by_channel: session 0 channel 0 Sep 16 18:46:54 ... sshd[31654]: debug1: session_input_channel_req: session 0 req shell Sep 16 18:46:54 ... sshd[31655]: debug1: Setting controlling tty using TIOCSCTTY.

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• sendmail: Error during delivery. Service not available, closing transmission channel

  - by user2810332

  I have a module in my system that will trigger an email and send it to user. The email will be sent to user when the product in my system is going to expired soon. I test the whole module in localhost and there is no problem with it. Then, I finally moved the module in my server but it gives this error. sendmail: Error during delivery: Service not available, closing transmission channel. It will also create a notepad in my desktop that contains information like this : command line : C:\wamp\sendmail\sendmail.exe -t -i executable : sendmail.exe exec. date/time : 2011-06-18 01:10 compiled with : Delphi 2006/07 madExcept version : 3.0l callstack crc : $fecf9b34, $5562b2fa, $5562b2fa exception number : 1 exception class : EIdSMTPReplyError exception message : Service not available, closing transmission channel. main thread ($15b0): 0045918a +003e sendmail.exe IdReplySMTP 501 +1 TIdReplySMTP.RaiseReplyError 0043ff28 +0008 sendmail.exe IdTCPConnection 576 +0 TIdTCPConnection.RaiseExceptionForLastCmdResult 004402f4 +003c sendmail.exe IdTCPConnection 751 +10 TIdTCPConnection.CheckResponse 0043feba +002a sendmail.exe IdTCPConnection 565 +2 TIdTCPConnection.GetResponse 004403fd +002d sendmail.exe IdTCPConnection 788 +4 TIdTCPConnection.GetResponse 0045ab97 +0033 sendmail.exe IdSMTP 375 +4 TIdSMTP.Connect 004b5f14 +1060 sendmail.exe sendmail 808 +326 initialization 77013675 +0010 kernel32.dll BaseThreadInitThunk thread $cf8: 77a400e6 +0e ntdll.dll NtWaitForMultipleObjects 77013675 +10 kernel32.dll BaseThreadInitThunk thread $1088: 77a41ecf +0b ntdll.dll NtWaitForWorkViaWorkerFactory 77013675 +10 kernel32.dll BaseThreadInitThunk May I know what is the problem of this error ? Is it something like firewall in the server that block my sendmail.exe or anything else ? FYI, I'm using Wamp and Sendmail to send the email. This is my first time seeing error like this. I need an explanation on this. Thank you.

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