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• Is there an application that will move an active window to the system tray without minimizing it

  - by Robert

  I have an active application (lets say an instant messaging client) whose buddy list I have up (active) on one side of my screen at all times in Windows 7. I would like to remove that icon from the taskbar either by moving it to the system tray (as happens when the app is minimized) or by just removing it altogether. To be clear: I do not want to minimize the window to the system tray (as described in Windows app to hide application from taskbar) I want to keep the window its NORMAL size and location and just get rid of the taskbar icon for the app. I'm looking for any tool, third party, native, registry hack, to accomplish this.

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• Disabling the shell of user "daemon" (/bin/false)

  - by BurninLeo

  on a Linux system there are lot's of users by default: daemon, bin, sys, games, etc. According to my /etc/passwd most of these users have a shell assigned (/bin/sh) which seems some kind of insecure to me. My naive thinking would say: Only give those users a shell that may login to the server. Is my thinking wrong? If not completely wrong: Can I disable the shell for "daemon" and "www-data" without having side effects (e.g. the system wont start or the Apache PHP cannot excute system calls)? Thanks for your hints!

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• Get SMTP to work

  - by user664408

  We upgraded to exchange 2010 and this broke an old java based script that connected and sent out e-mail messages. Many hours later we still can't get exchange to work like exchange 2003 did. That hope was abandoned and we decided to create a linux postfix server to forward the e-mail from the old system to exchange, eliminating exchange on the java side. This still doesn't work with similar errors. I need help figuring out what is different between exchange 2003 with SSL and authentication and the new servers, both linux and exchange 2010. My guess is both have TLS and for some reason the java code won't revert back to the older version of SSL, instead it just fails. Can someone help me either setup exchange 2010 to work like 2003 used to, OR to setup postfix to mandate it use SSL 2.0 instead of TLS? unfortunately no one knows anything about the Java code and they can't decompile it apparently. Any help is appreciated.

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• Is there a proper way to clear logs?

  - by John H.

  I was wondering if there was a proper way to clear logs in general? I'm new to Ubuntu and I'm trying to set up Postfix. The log in question is /var/log/mail.log. I was wondering if there was a correct way to clear it, rather than me going in it and deleting all the lines and saving it. I find that sometimes errors don't get written to it immediately after I clear the log and save it. Side note: I'm having trouble setting up Postfix and am trying to make it easier for me to read the logs hoping it can help me out, instead of having to scroll all the way down.

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• WD 1TB Passport Essential not working on some USB ports

  - by user143863

  I have a strange situation here. I got a new Toshiba P850/04P laptop, there are 4 USB 3.0 ports, 2 on the right and 2 on the left. When I plug my WD 1TB Passport Essential into the 2 ports on the left, the drive keeps disconnecting and then connecting again, on and off. Sometimes it works well for 1 hour and then disconnects and even shows the "please format your drive" message. What is odd is: this WD 1TB Passport Essential works perfectly on those 2 ports on the right side. It has been working fine on all other PCs and laptops. Another 500 GB WD passport can work with the USB ports on the left (the ones 1TB can not), also all other devices can work with all 4 ports. I am really confused! Does anyone know what the problem could be?

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• Opera 11 - prevent panels/tabs opening when examining RSS feeds

  - by Damien_The_Unbeliever

  I've reviewed the suggested questions, based on my title, so apologies if I'm going over old ground. Opera 11 recently came out. Whilst I use it as my RSS aggregator, I don't use it for any other messaging purposes. So I'm annoyed with, whenever I open Feeds-Read Feeds, I suddenly get the panels side menu, and the Mail panel opened automatically. This is new behaviour from the 10.x series, and I can't seem to find an option to turn it off. When I go to "Read Feeds", I just want the feeds window to open. That's it. Any ideas?

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• How Do I enable Safe Asynchronous Write With NFS?

  - by Joe Swanson

  The NFSv3 documentation talks alot about the concept of "safe asynchronous writes" (last bullet of A1): http://nfs.sourceforge.net/#section_a This is NOT referring to the sync/async option in the server exports file (as the async option in the exports file is NOT safe). As I understand it, safe asynchronous writes is a hybrid between the sync/async exports option. It allows for a server to reply back without flushing to stable storage immediately, but the client will not remove the write request from cache until it has received confirmation that it has been committed to stable storage (and also detects if the server looses power/reboots). I believe that this option is set on the client side, but I have not come across any documentation that shows how to do this. Any ideas?

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• Transfer using linux ssh and maintaining permissions

  - by jbolt

  I need to transfer files across ssh to another server. The file structures are identical on both sides. I have used scp -r but that does not retain the orginal file/dir permissions. rsync does the job of keeping the permissions in tact but does not delete the files on the destination side if I want to overwrite them because of changes. I know rsync will write the changes when the source files are newer but I need it to just copy everything reguardless of the date (ie replace destination directory with the one I am moving) without having to shell into the destination first and manually delete the dir. I heard tar can do this but I can not seem to get it to work without errors. The syntax is tar -cf - /directory/directory | ssh host.name tar -xf - C /destination_directory Any help would be appreciated.

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• repairing or retrieving video off a cracked disk

  - by Tori Hisey

  My disk has a thin cracked right through the one side. right around the crack it looks like it has water damage but im pretty sure it was caused from the crack. will tape work for this? its a dvd of us in jamaica swimming with dolphins and i havent even watched it yet, it got ruined in my suitcase. If there is no way to repair it, is there somewhere that i can take it so they might be able to somehow get the video off of it and onto another disk? any suggestions would be helpful. Thanks

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• TCP handshake ok, then the client isn't receiving any packets from the server

  - by infgeoax

  Topology: Client ----- Intermediate Device ----- Server Client: win7 Intermediate Device: unknown Server: CentOS 5.8 The problem occurs when the client and server are trying to establish a SSL connection. It happens to one specific port, 2000. I haven't been able to replicate the problem with other port numbers. I captured packets on both client and server. After the TCP handshake, from the client's perspective, it's not receiving ACKs for its previously sent packets so it kept re-sending them. On the server side, however, it did receive those packets and sent ACK packets. The weird thing is, after the server sent those ACKs, it received a [RST, ACK] packet, from the intermediate device, for every packet it sent. What could be the cause?

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• The letter 'W' gets rendered oddly

  - by Jeff E

  It seems that with this particular font (it's one of the Ubuntu fonts; I can't tell which one exactly because Chrome's debugger doesn't tell me which font-family won the CSS battle) the letter 'W' (both cases), at the default zoom level and typically with smaller sizes, will render very oddly: (open the image in a new tab) The right-hand side of the letter is totally wrong. Changing the zoom levels will mitigate (but not eliminate) the issue. Does anyone know how to fix this? It doesn't happen on Firefox or IE so I assume it's not an issue with the font itself.

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• Is it bad to put your computer in sleep mode every time?

  - by Ivo Flipse

  Often I have a lot of stuff open and don't feel like shutting down my laptop, so I just use sleep mode when I'm transferring it. But I have no idea if this might have any disadvantages. So my question is: is it bad to put your computer in sleep mode every time? Things I'm wondering: Should I turn off my computer every once in a while? Will continuous use of sleep mode slow down my system in any way? Are there any bad side effects (in the long term)? Any thoughts? FYI I'm using Windows 7 on a laptop

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• Dumb Terminals, Virtual Desktop

  - by user67714

  I need some help in setting up a dumb-terminal type concept for Windows machines. We have a computer lab with 40 computers, all of them are ageing. Unfortunately, we don't have enough funds to get all of them replaced. On the other side, we have very powerful rack servers which are quite underutilized. I was thinking of a solution which would enable those lab computers to use the rack servers. Remote desktop is an option, but I wanted something that is more transparent to the end user. Are there any free or low cost solutions for such an scenario?? Thanks

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• Varnishhist x- and y-axis

  - by pst

  In varnishhist the x-axis shows the time varnish took between getting the request from the kernel and sending it back to kernel. The y-axis shows the number of requests. | => cache hit # => cache miss That is what I understood from the manpage. Correct me if I'm wrong. Yet there is one thing I'm unsure about. The pipes (|) on the far left side, do they also stand for cache hits or are they just there to print the y-axis? I'm voting for the latter, but would like to be sure.

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• How to access network shares, printers, etc.through Windows 7 Built-In VPN?

  - by mbrion

  After I have successfully connected to a Windows 7 box via the built-in VPN: how do I access shares, shared printers, network appliances, etc.? So, call me bad at googling, but: I can find dozens of articles on "How to Set up a VPN Connection" and "How to connect to a VPN" for Windows 7... but I can't find a single article on how to access resources after connecting. I have a home VPN set up in Windows 7; I was able to connect to it from my friend's Windows 7 machine last night. I expected to be able to UNC into my shares; I also expected to be able to go to "Start Computer" and Click "Network" on the left side, and then see all of the devices on my home network (while the VPN was connected). Am I missing something obvious? How do I make this happen?

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• How can I move the Windows 7 Preview Pane to the bottom?

  - by Rich Bennema

  When searching for files in Windows Explorer, I like to use the Preview Pane to determine if it is the file I was looking for. But with the Preview Pane on the right hand side, either the preview is squished and unreadable or I need to make the Preview Pane wider which ends up hiding a lot of search information. Is there a way to move the Preview Pane to the bottom of the screen. I would rather see less lines in the preview and less files in the search results but be able to see (and read) all of what is being shown.

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• how to manage a multi user server on linux?

  - by user1175942

  I'm working on a university project, where I have Tomcat as a web server, and I want to create a multi user environment on top of linux, so every user that logs into my website has his own credentials, and he can access only his own data (files and folders...). The main issue is that the purpose of the website is executing code on the server-side, so I must have a good (reasonable) protection against malicious code. (a user destroying his own user is fine by me) I thought that defining a linux-user for every website-user is the best solution - it isolates each user from the other, and I can define each one's permissions. Can I create users in linux using shell commands? Can I configure max quota/memory/cpu for a user? Anyone has another idea for managing that kind of multi-user environment?

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• How to compare differences between directories (linux)

  - by Phil

  I have two directories - one from earlier backup and second from newest backup. How do i compare what changes were made to files in directory from newest backup on Linux? Also how do i display changes in for example text and php files - i'm thinking about something like revision history on wikipedia where you see old version on one side of the screen and newest version on other and changes are highlighted. How do i achieve something like that? edit: How do i also compare remote dir with local?

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• Moving a "All-in-one" PC when turned on/off.

  - by Purak

  I have an "all-in-one" pc. I know that moving a pc when it is switched on is harmful to the hardware components. What I would like to know is if the same applies to "all-in-one" pc's and if the same applies to regularly moving it from one side of the room to the other when it is turned off! The reason for the question is that I work on one desk during the day, and in the evening move it to the couch so I can do other stuff while watching TV or something. I always turn it off before the move, but somebody told me that I can be damaging the machine by doing so. Can anybody shed some light on this? Many thanks

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• Setting up IIS 7.5 for AD Client Certificates for iOS devices

  - by vonsch

  I am working on getting an iPad to auth to an IIS7.5 website using a local certificate mapped to a user in AD. I am not, in any sense of the word, an IIS admin. I essentially need to setup a proof of concept. I believe that this may work, but I just have no idea how to do it. What I have so far is an iPad with a user certificate installed. I have this user certificate added the correlating user account in AD. What I would like is a basic text webpage to load showing the user that it is authenticating. I would like this page to not be viewable unless it is client certificate authenticated. I don't mind doing the legwork, but I really don't know where to begin on the IIS side. Can anyone point me in the right direction?

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• How does Google manage to serve results so fast?

  - by Quintin Par

  I am building an autocomplete functionality for my site and the Google instant results are my benchmark. When I look at Google, the 50-60 ms response time baffle me. They look insane. In comparison here’s how mine looks like. To give you an idea my results are cached on the load balancer and served from a machine that has httpd slowstart and initcwnd fixed. My site is also behind cloudflare From a server side perspective I don’t think I can do anything more. Can someone help me take this 500 ms response time to 60ms? What more should I be doing to achieve Google level performance?

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• All Webcams (integrated or otherwise) have stopped working

  - by cgoddard

  Recently, like in the last few months (incidentally, I didn't notice it at first, but I think it might have coincided with the installation of libusb) all webcams have stopped working on my laptop. But, its not a driver error or anything like that, the webcam claims it is working, but when I try to use it in skype, it tells me that it thinks another program is using my webcam. However, I have tried going through every program and closing it until system crash, but it never becomes available. But the light on the side of the inbuilt webcam doesn't come on. And when I added a second webcam, it became available to the system, installed fine, return error 0 on the devices manager, and when I tried to use it, claimed it was in use. How can I find out what might have gone wrong to be causing the system to think that the webcams are constantly in use?

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• Transient mysqlcheck errors about "size of datafile" (file too small)

  - by Adam Backstrom

  Running mysqlcheck on a live database is giving me transient errors like this one: mydatabase.mytable error : Size of datafile is: 500719688 Should be: 501000484 error : Corrupt When I run the command again or check the table one-off using mysql, it's listed as OK. Is this just a side effect of running checks on live tables? Is it possible that data is not flushed, hence the strange discrepancy? We moved several databases this morning by shutting down mysqld on the source and rsyncing files across to the new server, but these are all MyISAM tables so I don't believe the two things are related. (But I mention it just in case.)

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• I can't get an IP address from a VirtualBox VM on OSX from some routers (ie Internet cafes)

  - by ezrock

  On OSX 10.7.3, VirtualBox, using bridged adapter. Everything on the networking side works perfectly as expected in some networking environments, like my home router and some cafes. In others, I can't get an IP address over DHCP, and I don't know why. I suspect there is some setting on the router that is preventing me, or I have some issue with my MAC adress. When it's not working, in syslog, I'll see a few DHCPDISCOVER messages as my VM tries to find a DHCP server, and after a while, "No DHCPOFFERS received" And when I go to a "good" router, a simple "service network restart" is all I need to get an IP. Any ideas?

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• Android chess development design [on hold]

  - by Plejo

  I want to develop human vs human android chess game and I have bunch of new questions. I would like to have screen where online players are shown(nickname, rating) and when player challenge antoher player and he accpet it game begins. These are my questions: When player install application, does he have to create account/login or does every instance of installed application have some kind of ID so I can recognize it on server side? I want to have also ratings of players saved in my DB so login procedure will probably be necessary. When player connects to server server updates online players list. When he challenge another player and he accept server exchange ip`s(and ports? which port to use?) between players. Then they connect to each other and game begins. What is best practice for connection between server-android and android-android? Probably sockets, right? Is there any library for handling lost connection etc.? Which server do you recommend?

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