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  • Can I re-attach SSH key forwarding through a disconnected Screen session?

    - by David Mackintosh
    I have a laptop on which I have pageant (the PuTTy SSH key agent) running. If I ssh to a system and launch screen, the ssh key forwarding works properly. However, if I disconnect from that screen session, log off, then later reconnect -- the key forwarding doesn't work any more. I am presuming that this is because when I reconnect the key forwarding is set up on different ports for the new ssh session than was the old one. Is there a way to teach an individual screen window to reconnect to the agent forwarding so that I can use my key to forward again?

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  • How to limit router bandwidth?

    - by David
    Hello, Is there a way to configure my (D-Link DIR-615) router to throttle down the allowed bandwidth after a certain amount of bandwidth has been used? For instance, I want my router to operate normally up to 20GB. After 20GB I want the router to limit bandwidth to a fraction of the normal speed (perhaps 1/5th). I live in Canada, so in about a month, everyone is going to be billed based on the amount they used (usage based billing). Instead of the unlimited bandwidth that I am enjoying now, most people will be capped at 25GB and will have to fork out $2/GB of over usage. Thank you in advance for the help.

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  • Is there a simpler way to log into a local account on a domain workstation?

    - by David
    Occasionally I need to log into a local machine account on a Windows workstation joined to our domain. The syntax for specifying a domain account looks like this: DOMAINNAME\myusername whereas the syntax for logging into a local account is HOSTNAME\myusername The problem is that I often don't know the host name off the top of my head. It is possible to find out by clicking the "How do I log onto another domain" link, but this requires me to memorize or write down an often cryptic hostname. Is there another, simpler way to do this?

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  • windows 2003 download utility from command line , http or ftp or any other protocol , from one comma

    - by Michael
    Hello , I need to know if there is anyway utility bult-in windows 2003 that I can use from the command line to download a file using only one command. Basically I know that I can download from ftp using the "ftp" utility but in order to do that I need to do first "ftp open" and then pass the other commands so it doesn't help me because I need to do perform the download only from one command. The download may be performed through http, ftp or any other protocol. OS Name: Microsoft(R) Windows(R) Server 2003 Enterprise x64 Editio OS Version: 5.2.3790 Service Pack 2 Build 379 Thank you in advance for any answer !

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  • Where are all my Java VMs installed in ubuntu?

    - by michael
    In my Ubuntu 8.04 'Other' menu, it has 'OpenJDK Java 6 Runtime', 'Sun Java 5.0 Runtime' , 'Sun Java 6 Runtime'. Can you please tell me where are these actually installed? I can only fine 1, the OpenJDK : $ which java /usr/bin/java $ java -version java version "1.6.0_0" OpenJDK Runtime Environment (build 1.6.0_0-b11) OpenJDK Server VM (build 1.6.0_0-b11, mixed mode) How can I find the others? Thank you.

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  • New power supply and now HDDs are not recognized

    - by Michael
    So I upgraded to a new X4 ULTRA power supply that was recommended to me by a local TigerDirect store. After installing it along with a new liquid cooling system, I booted it up and it automatically fried my CD Drive. After that I noticed that the OS wouldn't start and figured out that none of the 4 HDDs in my computer were being recognized by the BIOS. I feel them spool at a steady pace and have tried new cables and connections but to no avail. I triple checked all of the connections and cables and have no idea what is wrong. This isn't the first time I changed a PS or CPU cooling system but I am at a dead end. Any ideas, aside from buying a USB HDD reader and seeing if they are all fried? Also, this is a stock Gateway mobo with the mobo USB connections already dead. Could the new PS have fried the SATA connections??

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  • Why do some machines respond with many RST packets instead of RST-ACK to refuse a connection?

    - by Michael J. Gray
    I have recently been trying to track down a problem with one of our systems and have noticed that it is simply not allowed to connect to a remote machine. However, the remote machine (not controlled by us) is responding to our request for a connection with many TCP RST packets on a different port (26469, 26497, 26498) than the one we originated on (53). It simply wouldn't let up at one point and flooded us with about 10 packets/second for an hour or two of only RST on those obscure high ports. Out of the thousands of nodes we're connecting to, this is the only one ever to show this behavior. What could possibly cause this? EDIT Below is a screenshot of Wireshark when it happened. I don't have the actual dump anymore and can't reproduce this specific scenario every time. Basically, we sent a SYN and immediately got RST on an odd port and so we respond with RST and just keep going back and forth.

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  • Just how slow should my VPN be?

    - by David Heggie
    I have a VPN setup between a remote office with 2 ADSL connections (8Mb downstream, 512Kb upstream) and a main office with a 10Mb EFM connection (10Mb both up and down). The VPN is an IPSec connection using a DrayTek 2930 router for the ADSL and a DrayTek 3200 router at the EFM end. However, I'm unable to get speeds over this connection (tested with iperf) of anything over 600Kb or so down from the main office (traffic will pretty much always be from the main office to the remote office) Whilst I realise that there is an overhead and I'm never going to get the "full" bandwidth available over this VPN, I'd like to think that there's something I should be looking at that may help improve it. I've tried using the DrayTek's built-in "VPN Trunking" features which are supposed to load-balance connections, but this doesn't seem to improve matters much. I guess my question is - is this the kind of performance I should expect from this kind of setup and I'll just have to live with it, or should I be able to squeeze something more out of it through some VPN magic?

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  • How to add linked Oracle server to SQL 2008 Express?

    - by David.Chu.ca
    I have tried to download Oracle Client 11g both 32 & 64 packages to Windows 2008 R2 with SQL server 2008 Express. However, I still cannot see Oracle provider in SQL server by using sa log in. Not sure if is it possible to do it for SQL Server express 2008? Any advice to do it? I followed installations from this article: Making Linked Server Connection Between SQL Server 64 Bit & Oracle 32 Bit | MS SQL World After installation and reboot the Windows, I still cannot see the Oracle provider in linked provider in SQL server.

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  • Warming up an IIS Application Pool automatically?

    - by Michael Stum
    So IIS likes to shut down app pools that aren't in use. While this makes sense, I would like to have certain app pools conterminously running, but I don't want to just disable the automatic app pool restart as some of the settings (e.g., maximum memory limit) are good to have. I know that Microsoft announced the IIS Application Warmup module as an IIS 7.5 feature only then to do a Bait & Switch and pull it again so that they can put it in IIS 8 instead, so I wonder if something exists to run on IIS 7.5/Windows 2008 R2?

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  • How to setup bluetooth on ubuntu 8.04

    - by michael
    Hi, Can you please tell me how to setup bluetooth on ubuntu 8.04 so that I can transfer files between laptop running 8.04 and another laptop running Windows7? On Ubuntu 8.04, BlueTooth Prefernces, I have selected 'other devices can connect'. But when I try to connect from Windows7 , nothing happens? Any idea? Thank you.

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  • How soon does nginx's token bucket replenish when limiting at requests per minute?

    - by Michael Gorsuch
    We've decided that we want to experiment and limit requests per minute instead of requests per second on our sites. However, I am confused by the burst parameter in this context. I am under the impression that when you use the 'nodelay' flag, the rate limiting facility acts like a token bucket instead of a leaky bucket. That being the case, the bucket size is equal to the burst parameter, and every time that you violate the policy (say 1 req/s), you have to put a token in the bucket. Once the bucket is full (being equal to the burst setting), you are given a 503 error page. I am also under the impression that once a violator stops going against the policy, a token is removed from the bucket at a rate of 1 token/s allowing him to regain access to the site. Assuming that I have the above correct, my question is what happens when I start regulating access per minute? If we chose 60 requests per minute, at what rate does the token bucket replenish?

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  • VMWare Server modifying files related to paused VMs, is this expected?

    - by David Spillett
    While refreshing the backup of a VM used for testing, I experienced the following warning from tar: tar: /VMsR0/cli_noddyco_test/VM2K8_32_web.vmem: file changed as we read it The VMs in question were paused at the time. My first though was that I'd mixed up the machines and was trying to backup something that was still actively running. To be sure I unpaused and properly shut down the VM, and the vmem files that tar reported changing vanished as I would expect. Is it normal for VMWare Server to touch or alter files for paused VMs like this, or is there likely something amiss with our setup? If this is expected behaviour, is just touching the vmem file (and so altering the last modification date without actually changing content)? If it is normal for files relating to paused VMs to be updated I shall have to revise our backup procedures to make sure the VMs are fully shut down fully rather than just pausing them (this isn't a problem, but it seems strange and I'd prefer to understand what VMWare is doing and why instead of just dismissing it as "one of those things" and working around it). For further detail: the host in question is VMWare Server version 2.0.2 running on 64-bit Debian/Lenny, and that VM did not have a snapshots at the time. We have backed up paused VMs this way in the past with no such warnings from tar.

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  • Dates not recognized as dates in pivot table pulling directly from SQL Server

    - by Michael K
    My pivot pulls from an external data source with a date column. Excel doesn't see this column as a date and the 'Format Cells' option panel doesn't change how the dates are displayed. The cell data is left-aligned, suggesting a string rather than a date. I have tried cast(myvar as date) and convert(varchar, myvar, 101) and convert(varchar, myvar, 1) in the base table, but none of these have been picked up by Excel as dates. If the column is recognized as a date, I can group by week and month. I understand that if I can't fix this, the next step is to add columns with weeks and months for each date to the table, but I'd like to give formatting the column one more shot before doing that.

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  • Bringing TechNet licensed server into production

    - by David Heggie
    I am currently trialling an install of Windows Server 2008R2 + SQL Server 2008 R2 using license keys from my company's TechNet subscription. If the trial is successful, I'd like to bring the server into production as is (there's a lot of config needed for it that I don't want to repeat) so my question really is is it possible to change the Windows and SQL server licenses from TechNet ones to "proper" volume licenses and legally use the server in production? Or do I have to reinstall everything with volume licences?

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  • Can't print graphic from Publisher to pre-printed document

    - by Michael Itzoe
    I have a client who was given a stack of 8.5x11 tri-fold (unfolded) brochures printed on standard printer paper that they need to add their bulk mail permit stamp to. They've created a Publisher document with the stamp. If they print the document to standard paper in the tray, it prints fine. When they load the brochures into the tray, the brochure feeds through the printer but the stamp doesn't print. The stamp document is also 8.5x11. The printer is a Canon MF4300-D44. I can remoted in, but obviously have no access to the hardware. Any ideas?

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  • what's POST code 18 / can I run an ASRock P55 Pro + Core i3 530?

    - by Michael Borgwardt
    When I switch my newly built PC on, the fans start up, but I get nothing on the monitor, and the POST display on the motherboard runs quickly through various codes and then stops at code 18, which does not appear in the manual (the list there seems identical to this one). This lasts about 10 seconds, after which the machine shuts down. After a pause (also about 10 seconds) it starts up again, and this repeats until I cut the power. Interestingly, when I push the reset button, it stops at POST code 16 (which is also not listed in the manual). Does anyone have information about the meaning of those codes? Motherboard: ASRock P55 Pro CPU: Intel Core i3 530 Graphics Card: Sapphire HHD 5750 Does anyone have experience with that Motherboard/CPU combination? It says on the packaging and in the manual that it's only compatible with Core i5 and i7 (no mention of i3), but on the maker's product page, the i3 is listed as compatible as well.

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  • Script to mirror MS SQL Server databases between 2 servers

    - by David W
    Hi I have about 200 sites each of which have 2 servers running MSSQL (2k5 at some sites, 2k8 at others) One server is production and the other is primarily there as a backup. We're rebuilding all of these servers this year and as part of that we will have to set up mirroring for ... a lot ... of databases. Some of these sites have 45 databases so mirroring them manually is going to be a huge pain. I was going to write a batch script which uses SQLCMD to backup the database and log, copies to the secondary server, restores the backup and log with norecovery, creates the endpoints and sets the partner. This in itself isn't too complicated, but i'd love to see what other people have done as i'm not very confident in catching errors using the process i've outlined above. I've seen Tools to manage sql 2008 database mirroring? Which looks really good, but the formatting is jumbled and I can't get it to work. If anyone has any other scripts they've written and are willing to share I'd be eternally grateful. Ideally I'd love to be able to use a script to ensure there are matching endpoints (same ports) on both servers, backup the database, backup the log, copy the backups to second server, restore database and log with norecovery, set the partners on both servers, and somehow confirm that the databases are linked and synchronized. Well, thanks for reading :)

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