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  • Unix bidirectional pipe on commandline

    - by John W
    I've been able to use this linux command to connect Netcat to a serial port: nc -l 80 <> /dev/ttyS0 I would like to be able to log this transaction. My backup plan is to use Wireshark to monitor the netcat stream, but ideally I'd like to do something like this: cat /dev/ttyS0 | tee upstream.bin | nc -l 80| tee downstream.bin | /dev/ttyS0 This tries to open ttyS0 twice and therefore throws a permissions error. Does anyone know a smarter way to do this?

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  • Centos 5.5 install PearDB

    - by John Gardeniers
    Disclaimer: I use Linux for some jobs but I am not a Linux admin. I have a Centos 5.4 machine which performs some server duties and doubles as a web site development machine. PHP 5.3.3 was installed from RPM with the --without-pear option. I now wish to use PearDB but can't figure out how to install it. If I run yum install php-pear-db, it comes back with Error: Missing Dependency: php = 5.1.6-27.el5_5.3 is needed by package php-devel-5.1.6-27.el5_5.3.i386 (updates). The only RPM I've found that looks like it might be close currently has a dead link, so I can't even try that. What would be the best way to go about this? Is there a way to reinstall from the RPM and include pear? Can I install the dependency without breaking the current installation? Should I try to uninstall the original PHP and reinstall it from source, complete with pear? I thought this might have been an SU question but the FAQ over there suggests otherwise.

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  • Win 7 64 with 8 gig of ram, getting running low on memory errors.

    - by John
    I have a new Dell laptop running Win7 64 with 8 meg of ram. If I leave the system running overnight I start getting low memory errors the next day. Looking at task manager it shows 6.27 gig used but looking at the processes list the totals don't show nearly that much. I am showing all processes from all users. I have also looked at the processes with PRocess Explorer and see the same results. Using resource monitor I see 4165 MB in Use, 2328 MB Modified and 1352MB Standby with only about 345 MB free. These numbers don't seem to add up to what I have running. I have Visual Studio 2010 running along with a number of IE8 sessions. I have run the same set of apps with XP SP2 32 bit with 4 gig of memory and never had this sort of problem. What is Modified memory? What is Standby memory? Any suggestions on what might be the issue and what might be a fix? TIA J

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  • Square character

    - by John
    I have to write x/100000 with square character: x*10-5 ,but the '-5' should be above 10 so it is known that it is x/10/10/10/10/10. How do I do that?

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  • How to throw a 404 error from htaccess?

    - by John Isaacks
    Everything I find seems to be about created a custom 404 page. That is not what I am trying to do. If I want to block access to a page I can do this in htaccess: RewriteRule pattern - [F] However, "Forbidden" hints that the page does exists. I want the page to appear to not even exist. So I would like to give a 404 error instead of a 403. Then have it render whatever 404 page would render if the resource really wasn't there. How can I do that?

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  • "Cannot allocate memory " error whle copying data from window to ubuntu

    - by John
    I have Ubuntu 9.10 installed inside VM of server 2008. WHen i try to copy the data from the network and paste insid ethe Ubuntu it says error called "Cannot allocate memory " I have 3GB RAM attached to the Ubuntu I tried above suggestion but still im unbale to copy file from my host machine i.e. Windows XP to my Ubuntu machine ( which is at Virtual Machine) Im trying to copy jdk-1_5_0_22-linux-i586.bin file whose size is 47.4 MB Is there any other work around for this problem???? I tried Set the following registry key to ’1': HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache and set the following registry key to ’3': HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\Size but still im unbale to copy file from my host machine i.e. Windows XP to my Ubuntu machine ( which is at Virtual Machine) Im trying to copy jdk-1_5_0_22-linux-i586.bin file whose size is 47.4 MB Is there any other work around for this problem????

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  • Is TRIM supported on RAID 0 configurations for SSD drives in windows 7?

    - by John Sonmez
    I know this question has probably been asked at some point in the past, but I am trying to figure out if Windows 7 supports passing TRIM commands through RAID controllers yet. I am trying to decide between buying a single SSD drive and utilizing TRIM or Buying two SSD drives and putting them in RAID 0 configuration What is the fastest current configuration I can set up? I want my development machine to be BLAZING fast.

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  • Import PST into Gmail

    - by John
    I'm in the process of moving my email to Gmail. I used to use Outlook and I have a massive amount of email stored in various PST files (about 7GB worth). Ultimately I'd like to store this all in Gmail so I have my entire email archive available. I imported my first PST file using Outlook's IMAP feature - dragging the folders in one by one. This worked, but was quite slow and laborious (since I had to check on it every few minutes and set the next folder going). Is there any way I can do the import - either without using Outlook, or by somehow just setting it to go and leaving it overnight without any intervention? I did look at using Google Sync for Outlook, but it looks like this will also pull down all of the email I've already uploaded, which ideally I'd like to avoid (although if this is the only option I'll do that!)

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  • IIS no longer saving session variables

    - by John
    I'm running IIS v7 on a Win7 development machine. I have PHP code that saves session variables and calls them back later. This has been working on this machine for some time. For some reason now, the session variables dissapear immediatly after saving. Code that used to work fine on http://localhost/, suddenly now does not. I have tested different browsers - the vars dissapear regardless of browser. I have tested identical code on different servers. The problem exists only on this development machine. I tried some code that saves a session var, then reads it back and displays it, then shows a link to click on to read it back and display again. What happens is the session var DOES get written and read back and displayed ok. But when you click the link to view it again, it's gone. I don't recall making any changes to IIS. But I did run several malware scanners and clean-up tools. Is anyone aware of any setting in IIS that disallows session vars? Any other throughts?

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  • Networking conflict - What is the most common default computer name for Windows?

    - by John
    I recently had to change the name of my computer to log onto a public wi-fi spot, because a computer with my name was already logged on. (I asked a guy there what to do after it said there was already a computer named "(omitted)" logged on.) I've never been at a wifi spot you had to log into before. I didn't even notice what the computer's name was before. My question is what are the most common default computer names. I'm curious. How often does this sort of problem happen? (For some reason my previous post was closed as off topic - so now I included the reason I'm asking. If it's still considered off topic (networking conflicts) I'll take it elsewhere, but the other forums I know of (ehow.com, answers.yahoo.com) are full of people that couldn't begin to answer a question like this.) Thanks.

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  • Networking conflict - What is the most common default computer name for Windows?

    - by John
    I recently had to change the name of my computer to log onto a public wi-fi spot, because a computer with my name was already logged on. (I asked a guy there what to do after it said there was already a computer named "(omitted)" logged on.) I've never been at a wifi spot you had to log into before. I didn't even notice what the computer's name was before. My question is what are the most common default computer names. I'm curious. How often does this sort of problem happen? (For some reason my previous post was closed as off topic - so now I included the reason I'm asking. If it's still considered off topic (networking conflicts) I'll take it elsewhere, but the other forums I know of (ehow.com, answers.yahoo.com) are full of people that couldn't begin to answer a question like this.) Thanks.

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  • Status report system?

    - by John
    Anyone know of an open-source system for sending out 'what tasks did you to today' type status report reminders in email, then collecting them in an internal website? I checked on freshmeat but didn't see anything. Thanks!

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  • Why is my PC boot time slow when USB HDD attached?

    - by John
    I have a USB Hard disk that I am using as a secondary drive just for extra storage. When this is attached and I start my PC the second screen says searching for mass storage dives for about 5 minutes before continuing on. The same happens when I have a USB pen disk attached upon boot. If I attach the device after the PC has loaded then it is very quick however plugging and unplugging is not ideal. Is there away to disable this in the BIOS as I cannot instantly see an option. On boot it informs me I have an American Trends AMIBIOS in the BIOS setup it states the version as v02.58 2006. This is running on a ASUS MV2 Motherboard.

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  • How do I config postfix to use multiple google apps user accounts?

    - by john unkas
    I have a postfix installation and have setup relaying through google apps, but when I send mail to postfix it relays it to google apps using the ONE account I have specified in the main.cf. Is there a way to do this more dynamically. Ideally, the user would authenticate with postfix when sending mail and postfix would use that username and password to authenticate against gmail. Is that possible or what would be the next best solution? Thanks in advance

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  • Mercurial no longer working in NetBeans?

    - by John Isaacks
    I have been using Mercurial inside NetBeans for a while now. For the past few weeks now Windows Explorer has been crashing for various reasons, including every time I right click. Finally someone suggested I try uninstalling TourtoiseSVN and TortoiseHG since they affect Windows Explorer directly. I uninstalled both last week since I don't ever use them (I either user the NetBeans interface or use the command line interface.) Since then my Windows Explorer stopped crashing. Today I noticed that in NetBeans it is no longer showing me any of the Mercurial features. I pull up a command prompt and its not working their either. It seems like uninstalling TortoiseHG also uninstalled Mercurial altogether, which was not intended. I went to http://mercurial.selenic.com/wiki/Download to download the 64bit 1.8.4 .exe version of Mercurial for Windows. I installed it, and I can now use the command line. However it is still now working in NetBeans. Does NetBeans require Tortoise to work? Is there something else I am missing?

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  • MySQL has stopped accepting connections from other users than root

    - by John
    Hi there. I'm running a mysql-server a long with apache and tomcat on a Gentoo box. To administer mysql I'm using phpMyAdmin. A couple of hours ago I received a call -- a user was unable to login to phpmyadmin. I logged on to phpmyadmin with the root user, and reset the password. The user was still not able to login. I then decided to give it a go myself, and even I wasn't able to login. I tried creating several user accounts, none of them were able to access mysql via jdbc/mysql-client/phpmyadmin. The only user that seems to work is root. What's even more strange is that websites that connect to mysql with a user other than root are still able to login and retrieve content from the database (it's mainly wordpress and a tomcat webapp). I have made sure it's not just cached, I was able to post SQL queries to the database via these web apps still. However, I am unable to login to phpmyadmin/mysql-client with this user and I am also unable to set up a connection with this user for any new web-applications. Any help is immensely appreciated.

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  • Django on Windows 2003 Slow Initially

    - by John
    I have setup Django to run on a windows 2003 server following the steps on the django wiki. Everything works fine and there are no errors. Only one instance of Django is setup on the server at the moment. However whenever the first page is requested it takes about 10 seconds to load the page. After this every page loads instantly. All my searches about speed issues with Django on windows refer to the local server, but not when using IIS and PyISAPIe. Thanks

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  • Using a Token-ring network card instead of a router (?)

    - by John
    I have cable, and the modem only has 1 network plug-in. They said I could buy my own router if I wanted to hook up two computers to it. I have an IBM Turbo 16/4 Token-Ring PC Card 2, which was in the laptop when I bought it, and the laptop also has the typical network plug (not a PC Card). Is there a way I could run the laptop as a server, and plug my desktop into the laptop, so they both have internet without my having to buy a router? (I realize routers are as cheap as $30.) Both computers run Windows XP Pro SP3. (I also have an 10/100 Etherjet Cardbus card (PC Card)). Thanks.

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  • Host PC can't see file-system on local VMWare VM

    - by John
    I am running VMWare Workatation 8.0 on a Windows7 host, hosting a Windows7 VM. It's working fine except that the host cannot see the files on the VM when it's running. The VM is running locally on the host, not on the network. I found a page saying I simply need to share the folders on either side and the other can see them, but this isn't working. VMWare Workstation has a handy tool to share folders from the host drive to the VM, but I need the opposite - I have software installed on the host (for licensing reasons) which I need to use to work on files within the VM.

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  • Unable to mount iso as dvd drive in VMware Fusion 6

    - by John O
    I have a newer iMac without an optical drive and some DVDs that I needed to run software off of. This software will have you juggle discs to read data off of them, and the data can't simply be copied to the machine's drive. I used a windows machine to make ISOs of these DVDs. And the first disc, the installer, it will mount in VMware and let you install the software. It then asks for the other discs, and these won't mount as ISOs. If I mount them as drive images, they'll show up on the iMac's and I have access to all the files. But if I try to mount them as the dvd drive through Fusion, nothing happens. For that matter, I'm unable to attempt it a second time, as Fusion believes that the there is already an iso mounted as the dvd, while nothing has happened as far as the guest OS is concerned. drutil eject will allow me to eject the ghost/non-existent dvd, at which point I can make a second (equally futile) attempt. Does anyone have an explanation for this behavior? How can the ISO be valid enough to mount as a drive image, but not valid enough for Fusion to mount it as if it were a dvd?

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  • Amazon EC2 IPSEC

    - by John Qualis
    I have configured a ubuntu 12.04 64-bit server machine on Amazon AWS to act as a strongswan IPSEC server. I want to connect to it from my MAC OSX Lion's inbuilt IPSEC client. The OSX machine is in my home network. I log into the AWS machine using a ssh to ubuntu@public-ip and I provide the private RSA key in form of .pem file which I downloaded when the machine instance was created. The ssh connection works file but the IPSEC connection fails. What credentials/configurations should I provide for an IPSEC connection from my OSX client to AWS ubuntu server? My OSX machine is behind an ISP provided modem/router. Appreciate any help and thanks in advance

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