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• PuTTY/SSH: How to Prevent Auto-Logout?

  - by feklee

  My ISP's SSH server (Debian 2.0) logs me out after 35 minutes of inactivity, when connected with PuTTY (Windows XP). This is a big problem when I utilize the server for port-forwarding. The final messages displayed in the terminal: This terminal has been idle 30 minutes. If it remains idle for 5 more minutes it will be logged out by the system. Logged out by the system. PuTTY options that do not help: Sending of null packets to keep session active. Seconds between keepalives (0 to turn off): 30 [x] Enable TCP keepalives (SO_KEEPALIVE option) Any idea how to avoid the auto-log-out? Should I try another SSH client?

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• bind tmux prefix to OS X cmd key (or any other binding)

  - by rubenfonseca

  Hi all. I'm used to iTerm2 (or Terminal.app for this case) on OS X. But I want to move to use tmux (or screen, but the problem is similar to both apps). So my idea is to have a single iTerm tab with a tmux session opened with multiple tabs. To do the transition I have a basic feature I need to configure on tmux: switch the the tab 'n' by using cmd + n (like Firefox, Chrome, iTerm2 itself, etc) However I can't find a way of mapping the cmd key on the mac keyboard. I first tried to implement cmd as a prefix key, with no success. I've tried setting set-option -g prefix M-a (hoping for Meta-a) set-option -g prefix ^a (hoping for ^ to work) but nothing works. Is this possible? I don't really need to bind the prefix to cmd, but I want to be able to change tmux tabs with cmd+n. Thank you

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• Windows 2008 Routing and Remote access server - access to the internet

  - by Ian

  I have a windows 2008 r2 remote access server set up and running. The remote access works fine. My problem is that the remote access server itself doesn't have access to the internet. The box has two interfaces, an internal and an external. Inbound connections come in on the external interface and RRAS responds. All wall and nice. I want to be able to use windows update, browse, etc from this box but can't as the outbound traffic just gets blocked. I've tried going into the RRAS mmc tool and opening the interface properties, under which there are two buttons for inbound and outbound filters. There I tried adding ports 80 and 443, but this doesn't work completely. I can see the connection initiating (Syn goes out) but the session never establishes itself. Anyone done this or got any suggestions?

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• ScreenShare: command line and observe only.

  - by Shyam

  Hi, I have a wide TV screen that is attached to a Mac Mini. I am able to use this screen as a second screen using an application like ScreenRecycler. However, Sometimes I want to demonstrate what I am doing on my box on this TV screen. As this TV is attached to a Mac Mini, I want to have a screen sharing done reversed. As I know screen share can be done in observe mode and full screen, this would be more than sufficient. Because it would be pretty useless to run it continuously, I want it on demand. For this, I want to use SSH. So the only thing I would like to know is, how do I start screen sharing in from a Terminal Session. On Windows, I could start an application by using "start notepad.exe", I am looking for something similar. Eventually, I want to make this work on other boxes too. Thanks for your help!

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• What does a red icon in XP's "Unlock Computer" dialog mean?

  - by wikiti

  A user was working from home and had a colleague turn on her computer so she could remote desktop to it. All worked fine, but when she came into the office and used her computer for a while then locked it the computer icon had a red screen, instead of blue. Like in the following mockup: Mockup of red computer screen. It didn't cause any problems and it went away when she rebooted, but I was intrigued to find out whether there was something that caused it or if it was just a windows oddity. I believe she just closed the remote desktop session (without really logging off) from home and then disconnected from the VPN before coming to the office. Any ideas?

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• Vim - dynamic list of open buffers in a window

  - by asfallows

  I've investigated a few ways to maintain a list of open buffers in Vim, and some of them are very good, but none of them seem to behave the way I'd like. It's very possible that nothing like what I want exists, and it can't hurt to ask. I've been using NERDTree in GVim, and I like the idea of putting the information in a slender left-hand window. I've put together a handy diagram for how I'd like my environment to look: |--------|---------------------------------------| | | | | | | |NERDTree| Windows | | | | | | | | | | |--------| | | | | | | | | List | | | of | | | Open | | | Buffers| | | | | | | | |--------|---------------------------------------| So my question is: Is there a vim-native or plugin-enabled way to maintain a list of currently open buffers and select/edit/close from that list, inside a window similar to NERDTree? I understand that this approach may be incongruous with the Vim way of doing things, and if you feel like I'm missing something about how to manage multiple files in a Vim session, please leave a comment with suggestions!

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• How can I tag sequences inside videos?

  - by Antoine

  For example, let's say I find a sequence in a WWDC session (Apple videos) that explains a technical point very well. I would like to be able to store the exact range in the video, tag it with keywords, and manage all that information. And when I want to share this information, I could simply export to a plain English sentence: "Have a look at the video named …". It would be great to be able to launch a video player for local videos and go straight to the beginning of the sequence.

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• What is it that automatically checks config changes (such as those in /etc) into git?

  - by Brandon

  I remember reading on the ubuntu forums some time ago about a program to automatically check configuration changes into version control for you. It was (of course) not Ubuntu-specific. I'm pretty sure it used git, though it may have been svn, or perhaps even able to work with multiple different VCSs. My Googling has turned up nothing, and I'd rather not roll my own script if someone has already done this well. Of course I could just manually check things in, but there are reasons I'd like it done automatically. (I'm actually planning to use this for my LastSession.plist file for Safari, so when the #@$%^*&! thing crashes, and I don't restore everything, and then Leopard crashes, the fact that it has such lousy session management won't mean I lose the dozens of windows with dozens of tabs I had open.)

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• Task Manager does not show memory usage

  - by Robin

  I just noticed this yesterday. I selected different memory columns, none of them worked, and I've tried showing processes from all users. I'm using Win 7. It doesn't slow down my computer or does anything else. I just want to know why and how to fix it. Could anyone help me on this? Thank you cannot post pix :( it is like this: only shows K, without actual number Image Name--------User Name----CPU----Memory (Private Working Set)------Description System -----------SYSTEM ------01-------------------------------K-------NT Kernel &system Smss.exe--------- SYSTEM -----00-------------------------------K-------Win Session Manager Wininit.exe------ SYSTEM ------00-------------------------------K-------Win Start-up Applic It's pretty much the same as http://www.sevenforums.com/general-discussion/56891-my-task-manager-doesnt-show-ram-usage-each-program.html that is the only one i found on google.

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• Everytime I click on a link from within Mac, parallels boots up my Windows VM and opens the link there

  - by Christoph

  Everytime I click on a link from within Mac, parallels boots up my Windows VM and opens the link there. That's super annoying and I haven't found a configuration to change it. In the settings of my Windows VM there is an option where to launch the webbrowser. However that seems to only affect links that I open from within my Windows session. UPDATE I just stumbled across this answer: How to disassociate a file type with an application in Mac OS So I disabled "share windows apps with mac" completely. Also this seems to be overly protective it at least does the trick. I think it also deactivates that running windows apps show up in the dock but I don't care that much about that anyway.

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• How to disable Windows File Protection in Windows XP or 7 from Registry?

  - by SEARAS

  How to disable Windows File Protection in Windows 7 and/or XP from Registry? I want to automatically replace a driver with my created driver. I used PendingFileRenameOperations key in HKLM\System\CurrentControlSet\Control\Session Manager but i've found that it can ONLY be used for simple (not-system) files, because Windows File Protection disables it for system files (see this post). Now I need to temporarily disable WFP (and turn it on after changing driver). You can tell me another way to disable it. It can help me too. Thanks in advance! Any ideas?

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• How do I protect large file downloads through PHP and/or Apache?

  - by Eric

  We have some large files (1-8GB) that are not publicly accessible. Currently we're serving them up through a PHP script that buffers the files in 1MB chunks and writes it to the output. It's incredibly CPU intensive and slows the server down when only a few downloads are active. We want to move the file transfer work to Apache or a more efficient method. We are using cookie authentication. FTP downloads are out unless there's some way to authenticate FTP sessions through the existing PHP session cookie. Ideally we'd like something where we can use PHP to hide the link to the file while it passes off the file transfer work to Apache, which is no doubt far more efficient at HTTP file transfers than PHP. We want to be able to resume downloads as well. Any help is appreciated.

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• Multi screen RDP in Windows 8.1 Enterprise

  - by bgs264

  I have just flattened my machine and installed Windows 8.1 Enterprise Edition. I have used the Hyper-V to create a virtual machine for my Software Development stuff, on my VM I have also installed Windows 8.1 Enterprise Edition. I want to have two screen support when using this VM (not using /span) Both the Hyper-V viewer and Remote Desktop give me a tickbox to "Use all my monitors for the remote session". However even with it ticked (and even when I tried the /multimon switch on the command line), I only get a single screen. Am I missing something - this should be supported in Enterprise edition, right? Is there some extra config I need to do on the RDP host? Forgive me if it's an obvious question, I'm more a developer and just stumbling through ;-) Cheers! Ben

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• OpenLDAP with StartTLS broken on Debian Lennny

  - by mr.zog

  I'm trying to get OpenLDAP on Lenny to work with StartTLS. I have a Fedora 13 machine which I'm using as a client for testing. So far the Fedora client is ignoring the 'host' directive in /etc/ldap.conf when I try to connect using ldapsearch. The client wants to connect to 127.0.0.1:389 even if I specify -H ldaps://server.name on when using ldapsearch. /etc/ldap.conf on the client machine is in mode 444. But even when I try connecting locally from an ssh session, I see errors like this: ldap_sasl_interactive_bind_s: Can't contact LDAP server (-1) Someone hit me with a cluebat, plz. Update: you must use ~/.ldaprc for settings such as 'host'.

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• netcat as a multithread server

  - by etuardu

  Hello, I use netcat to run a simple server like this: while true; do nc -l -p 2468 -e ./my_exe; done This way, anyone is able to connect to my host on port 2468 and talk with "my_exe". Unfortunately, if someone else wants to connect during an open session, it would get a "Connection refused" error, because netcat is no longer in listening until the next "while" loop. Is there a way to make netcat behave like a multithread server, i.e. always in listening for incoming connections? If not, are there some workarounds for this? Thank you all!

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• Unable to boot Ubuntu 64-bit in Virtualbox on Mac OS X

  - by Aamir

  I have latest generation Macbook Pro 7.1 (Intel Core 2 Duo) running Mac OS X 10.6.6. I installed Virtuabox 4.0.2 and tried to boot Ubuntu 10.10 64-bit iso. The boot options screen from the live CD came up: However when I continued to load the live session, or installer for that matter, I encountered the following error: This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot - please use a kernel appropriate for your CPU. I am not sure if VT-x is enabled or is supported in the Core 2 Duo of my Macbook Pro. But at least, I have both I/O APIC and VT-x enabled for hardware virtualization as told in the Virtualbox manual.

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• How does the build quality of laptops compare?

  - by pgwillia

  I'm looking to replace my 5 year old laptop. I want my next laptop to endure at least this long. I typically have Thunderbird, Firefox, Eclipse Java IDE, Skype, a ssh session, and Apache Tomcat running. I'm currently running Karmic Ubuntu, but am agnostic about operating system and would move to Win 7 or OS X. I frequently travel with this computer. I also value battery longevity and power conservation (if possible). Above all I'm looking to minimize cost. I think the hardware that best meets my needs is an Intel i7 processor, 8 GB RAM, 100GB @7200 rpm or SSD hardrive, and about 15 inch monitor. These specs are met by most brands. Does anyone know specific pros/cons and build quality for Macbook Pro, Lenovo Thinkpad (W510 or T510), Sony's VPC-F1190, and ASUS G Series G73JH-X1 NoteBook? Are all i7 processors created equal? Do you have other suggestion that meet my needs?

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• failed to use mutt to send mail to company mailbox

  - by Acewind

  I'm using mutt&postfix on CentOS 6.2: mutt-1.5.20-2.20091214hg736b6a.el6_1.1.x86_64 postfix-2.6.6-2.2.el6_1.x86_64 When I try to send mail to my company mailbox, I receive an error: mutt -s "test" [email protected] < /home/mail.txt error from postfix: : host out1.ourcompany.com[10.30.17.100] said: 555 Syntax error (in reply to MAIL FROM command) Then I try to use service sendmail as SMTP server, but also failed: **----- The following addresses had permanent fatal errors ----- (reason: 555 Syntax error) ----- Transcript of session follows ----- ... while talking to out1.ourcompany.com.: MAIL From: SIZE=667 <<< 555 Syntax error 554 5.0.0 Service unavailable** Any body can tell me why? Thanks!!!! I can make sure DNS is OK, and I set realname "root@myserver" in /etc/Muttrc

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• hyper-v server 2003 instance using internet connection sharing disconnects remote desktop to hyper-v host

  - by Joseph Southwell

  I have a windows server 2003 R2 instance running in a hyper-v instance on windows 8. I have setup an internal switch that uses internet connection sharing to get out to the internet. It works fine except for when I try to do windows update on the server 2003 instance it disconnects my remote desktop session to the windows 8 hyper-v host. When I reconnect it says windows update failed. I know that sounds crazy but I have tested it over and over again. If I change the instance to use my external switch (I have an external switch defined on another network adapter) windows update works fine.

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• Can I make ssh tell me which control file it would use for multiplexing?

  - by Ryan Thompson

  I am using the following options in my ~/.ssh/config in order to enable connection multiplexing: ControlMaster auto ControlPath ~/.ssh/control/master-%r@%h:%p However, this has the annoying problem that the first shell to connect to a particular server must be the last to disconnect, because it is the master connection that all the other connections are using. So if you log out of the master, it appears to just hang. To solve this, I would like to wrap ssh with a script that checks if the control master file exists, and if not, starts a master ssh process in the background. Then it would start a slave ssh session. In order to accomplish this, my script would have to determine the path to the control file that ssh would use. This would entail parsing the ssh command line options and config files and implementing the logic for determining the ControlPath. Is there any way to just ask ssh what path it would use, so I can check it?

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• Sticky sessions on load balancers with HTTP and HTTPS

  - by javano

  How does sticky sessions relate to HTTP and HTTPS; If I place a load balancer in front of some web app servers that run a front end that supports HTTPS, will the sessions remain "sticky" on a typical load balancer that lists "stick sessions" as one of it's supported features? I understand that question is partly open ended; To clarify, would I require a load balancer that supports sticky HTTPS session specifical or is "sticky sessions" a principal that functions agnostic of the HTTP payload, be it encrypted or not? Thank you.

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• Weather Logging Software on Windows Home Server

  - by Cruiser

  I'm looking for some weather logging software that I can run as a Windows Home Server add-in, or as a service on my Home Server, so I don't need to log into my Home Server to log weather data. I have an Oregon Scientific WMR918 weather station, and an HP MediaSmart EX485 Windows Home Server. The two are currently connected through a serial bluetooth adapter, but that shouldn't matter as the computer sees it basically as a serial device. I'm currently using Cumulus to log data and upload to Weather Underground, but it is a regular windows application, so I need to remain logged into my Home Server by RDP in order to run the software (I disconnect, but don't log off so the session remains open). Ideally I would like something to run as a service or WHS add-in, so that it runs all the time without logging in, can log data from my WMR918, and can upload to Weather Underground. Thanks!

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• Windows global shortcut hijacked by Opera

  - by Balint

  I have Chrome 37 installed as my main browser. Recently I needed to test a design in a new, Chromium based Opera version 21.0.1432.67. This later one hijacked my global shortcuts somehow, so if I press Ctrl+Shift+N to start a new session for testing, even if Chrome is running, and it is the active window, the shortcut starts a new Opera tab - even if the program is not running. It is highly annoying. Even if I uninstall Opera, I'm unable to use the aforementioned shortcut, because it will not work at all. Any hints on how to restore the original shortcut?

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• reg delete gives me "access is denied" but regedit delete is ok

  - by Radek

  I need to delete a key from a command line. So I wanted to use reg delete "the key to be deleted" /f but I get ERROR: access is denied. From the same login session (the same user) I am able to delete the key without any troubles from regedit.exe that is not run as administrator. I cannot use runas command to execute reg that I believe would be to solution because in fact I want to use reg to delete registry entry for administrator profile so runas works again. More info in my other question Windows7 corrupted profile - prevention exists?

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• Can I remove the ctrl-z key binding in my shell?

  - by Nagel

  The background for this question: I currently have to do a lot of my work in terminal over ssh, and I use screen quite a bit. Because I found the ctrl-a key binding for screen commands so annoying since I'm accustomed to using ctrl-a to go to the beginning of a line, I changed it to ctrl-z. The only problem with this is that when I'm in Matlab, think I am in Screen but am not, pressing ctrl-z will instantly kill my Matlab session, because ctrl-z is the key binding for suspending processes in *nix. So the question is: can I remove the key binding for ctrl-z in my shell so that it does no longer suspend a process? My shell is terminal.app on OSX.

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