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  • Why is the size of antivirus greater than that of anti malware? [on hold]

    - by Mistu4u
    Recently my computer was attacked by different kinds of worms and my computer was slowed down. So I tried to remove them by installing Avast free antivirus. The worms were copying themselves rapidly. But after installing avast, I observed it only blocked new copy of the worms to be created but could not delete the already created worms, even it could not find worms in a good amount. Then I downloaded Malwarewbyte Anti Malware and to my surprise I found out its service was way too better than Avast antivirus. It detected and deleted almost 2065 worms and malwares from my computer and now my computer is doing fine. As far as I know, anti malware functionality is also included in Antivirus, But then also its performance is poor. Now my question is if performance of antiviruses are meat to be poor than Antimalwares, then why the size of Avast is 179Mb and the size of Malwarebyte is 9.81mb?

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  • Is there a way to add a custom favicon to an App Tab?

    - by Iszi
    Since the release of Firefox "5", I've come to really love the new "App Tabs" feature. However, I've now realized that several internal websites at work do not have favicons. So, when I make an App Tab out of these sites, there's only a "blank page" icon in the tab. Perhaps I wouldn't mind so much if there was only one, but there's at least two or three of these. So, it's just a bit annoying to have to mouse-over the App Tabs to figure out which is what. I've tried using Favicon Picker 2 to change the bookmark icons, but it only does exactly that - changes the icon in the bookmarks folder. It doesn't change the favicon that's displayed next to the URL in the Address Bar, or the one next to the page title in tabs - the latter being that which is used for the App Tab icon. So, is there a plugin or other client-side (and preferably "Joe User" friendly) method to assign an icon to a web page or domain, that will be used in the tab bar?

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  • differencing disk opinions

    - by troth
    I've read about the performance issues with dfferencing disks but I still think there is a solid place for them and thats the os boot partition. If I'm going to have 20 vms on a csv based volume I don't won't to waste the 20+ gigs per guest just for the os boot. If I get a good base disk with all of the most used applications installed and have the pagefile located somewhere else I don't think the delta's would be that great thus it should not create a performance issue. Also in a SAN based csv volumes does it make any sense in having the pagefile go to a seperate csv volume? Any opinions on this? thanks

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  • Storing large amounts of small files into bigger files on Windows

    - by asmo
    Let's say I have 50 GiB of files that weights around 500 KiB each. My guess is that having, for example, 5 large files of 10 GiB each with the same content archived in them would be better for hard drive performance. Am I correct? Will there be a noticeable gain on an NTFS filesystem? ===================================================================== Finally, which tool could I use to group the files together while retaining the ability to modify the content of the archive with zero or minor performance loss? For example, I like TrueCrypt archiving because after mounting an archive file, it creates a drive which I can use seamlessly as if it was a normal drive. The only thing with TrueCrypt is that I don't need encryption/compression, only archiving.

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  • How to securely delete files stored on a SSD?

    - by Chris Neuroth
    From a (very long, but definitely worth to read) article on SSDs: When you delete a file in your OS, there is no reaction from either a hard drive or SSD. It isn’t until you overwrite the sector (on a hard drive) or page (on a SSD) that you actually lose the data. File recovery programs use this property to their advantage and that’s how they help you recover deleted files. The key distinction between HDDs and SSDs however is what happens when you overwrite a file. While a HDD can simply write the new data to the same sector, a SSD will allocate a new (or previously used) page for the overwritten data. The page that contains the now invalid data will simply be marked as invalid and at some point it’ll get erased. So, what would be the best way to securely erase files stored on a SSD? Overwriting with random data as we are used to from hard disks (e.g. using the "shred" utility) won't work unless you overwrite the WHOLE drive...

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  • How to get Word 2003 to make my print layout go from left to right?

    - by Shaul
    My copy of MS Word 2003 was installed on my computer with the locale set to Israel, so among other things my Normal.dot template was set up for right-to-left. I managed to fix most of the Hebrew support things so that I am working in English by default now. The only thing I haven't found a cure for is how to make the "print layout" view also go from left to right; as things are, the page flow always appears from right to left, even in English documents - IOW, page 1 appears on the right of page 2, as shown below. I can't see any obvious option to change this. How do I do it?

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  • Apache AliasMatch and DirectoryMatch not working?

    - by Alex
    I have the following config - please notice the Alias and Directory equivalent -- uncommented they work as expected but the dynamic/regex based versions don't - any ideas??? <VirtualHost *:80> ServerName temp.dev.local ServerAlias temp.dev.local DocumentRoot "C:\wamp\www\temp\public" <Directory "C:\wamp\www\temp\public"> AllowOverride all Order Allow,Deny Allow from all </Directory> # Alias /private/application/core/page/assets/images/ "C:/wamp/www/temp/private/application/core/page/assets/images/" # <Directory "C:/wamp/www/temp/private/application/core/page/assets/images/"> AliasMatch ^/private/application/(.*)/(.*)/assets/images/ /private/application/$1/$2/assets/images/ <DirectoryMatch "^/private/application/(.*)/(.*)/assets/images/"> Options Indexes FollowSymlinks MultiViews Includes AllowOverride None Order allow,deny Allow from all </DirectoryMatch> </VirtualHost>

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  • 64bit on core i5 with 2GB DDR3 RAM?

    - by Jacques
    Core i5 2.3 Ghz processor 512mb ATI HD 4570 2GB 1333 RAM 64bit Windows 7 Home Premium. Should I "down-grade" to 32bit? Does running 64bit with only 2GB RAM make the laptop weaker than running 32bit with 2GB RAM or is the performance pretty much the same? Is there any performance benefit to running 64bit with only 2GB RAM? Is there an impact on battery life between 64bit and 32bit. Should I maybe just add another 2GB RAM? Thanks.

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  • 503 service unavailable when debugging PHP script in Zend Studio

    - by user25932
    I have a web server with apache 2.0 installed. It comes with Zend Server install pack. When I’m trying to debug my php files apache serves a blank page with 503 service unavailable. Of course slow server-side code is tying up Apache requests for far too long, but I need it to wait, until my debugging comes to end. When I call to the page from a browser it launches ZendStudio debugging my PHP script (request redirects Zend Debugger module). I debug through my script and if I finish debugging in 120 seconds, I normally return to the browser. When it takes more than 120 seconds the browser displays '503 service unavailable' and I can't return to page output. I have even forced 'max_execution_time = 300' 'max_input_time = 600' in php.ini and 'TimeOut = 500' in httpd.conf. No matter whether it is Opera, IE or Firefox. I spent two days googling it, no right answer until now.

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  • Is there a network "tee"-alike with one leg returning to /dev/null ?

    - by Steff Davies
    I've just built a new PostgreSQL server for my employers, which is happily replicating using WALs. I'm now left with the problem of verifying its performance. One nice way which came up in conversation is to break replication with the slave caught up and then direct all production traffic to both servers, discarding the responses from the new server and returning those from the current one to the clients. Once we're sure performance is OK, we re-sync the slave and can fail over with confidence. Bliss. This would require a TCP proxy capable of opening two outgoing connections for each incoming one, and discarding the data returned from one of them, which is a tricky thing to google for, it seems. Do the assembled brains know of such a thing, before I dive into libevent and write one?

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  • Where did the text of my .html file go in text edit on mac.

    - by David
    I recently created a .html file in text edit on my mac (os x 10.5.8). I then opened that .html file in my browser and it showed the page i created just fine. I closed the .html file and text edit and refreshed the page. It still worked fine. Then i opened up the .html file in text edit again and all the text was gone (the page in the browser still works fine though). Where did all the text go?

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  • Can Apache 2 be configured to start sending gzipped data early?

    - by rikh
    We have Apache set up to gzip compress html pages before they are sent to the client browser. However, some of our pages are slowish to generate and it seems that Apache is holding on until it has the complete page, compressing it, then sending it to the browser. There are big chunks of the page (the main important bits) that are actually generated and output fairly quickly. Is it possible to configure Apache to start compressing and send data for the page as soon as the script starts outputting something? Is it is, can you offer any help is how to do this? If not, can you suggest any other way to get gzip compression working for the server? The scripts that generate the pages are written in PHP. We are using Apache 2.0 on Linux.

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  • Mod_rewrite pretty url when domain/foo is a directory

    - by ModRewriter
    Starting with something as simple as: RewriteRule ^(.*)$ index.php?page=$1 What if I also want the following to work: RewriteRule ^/foo$ /index.php?page=foo #/foo IS a directory This seem to work ONLY if the R flag is set, but then the full non-pretty url is written. Thus it seems I can REDIRECT existing directory, but not rewrite them... Maybe with an .htaccess inside the directory itself? Or some PHP magic in /foo/index.php like header(/index.php?page=foo)? Will it work? Will it be HTTP standard/search engine optimized? Please help! PS: The oddest idea occurred to me: redirecting /foo to /not-a-dir, and then rewriting /not-a-dir to /index.php?p=foo should theorically work... But... Come on... Really?!?

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  • How to set up memcached to use unix socket?

    - by alfish
    While I could use memcached on Debian to use the default 11211 port, but I've had great difficulty setting up unix socket, Form what I'v read, I know that I need to create a memcache.socket and add -s /path/to/memcache.socket -a 0766 To /etc/memcached.conf and comment out the default connection port and IP, i.e. -p 11211 -l 127.0.0.1 However, when I restart memcached I get internal server errors on Drupal site. I'm trying to implement unix sockets to avoid TCP/IP overhead and boost overal memcached performance, however not sure how much performance gain one can expect of this tweak. I appreciate your hints or possibly configs to to resolve this.

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  • Configuration Tuning for PostgreSQL 9.1 PostGIS 1.5 Ubuntu 12.04 Server

    - by Martin
    My server performance is poor. At times SSH, top, and other features or commands are very slow to respond, taking several seconds or more. A query that normally takes 5 minutes can sometimes take 30 minutes. The database is mostly being used to do a spatial query (grid and summarize) on approximately 500GB of stored data spread between 4 tables. Restarting the server works as a temporary fix, but cannot be used as a long term solution. Any suggestions for how to diagnose and solve my performance issues? Hardware and Configuration: 3.3 GHz Intel quad core i5 16 GB DDR3 RAM 6 TB software RAID 10 (6 x 2 TB drives) Ubuntu 12.04 64-bit Postgres 9.1 PostGIS 1.5

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  • ISPConfig - Unexisting subdomain address goes to an existing one

    - by xperator
    I am running Nginx/ISPConfig setup for about 6-7 months. Never had a problem and everything is smooth. But I just noticed that if browse to "blab.example.com", the page opens one of my wordpress blogs on the other domain. No matter what name I use for subdomain, Anything that I enter randomly "b53ks.example.com" still goes to that blog page. I have 3 or 4 different domain names and websites on the same server. But I think I misconfigured somewhere and that might be the cause of this. Lets say I have these domains: example-1.com, example-2.com, another-example.com If I go to anything.example-1.com or serverfault.example-2.com, or google.another-example.com the returned page is my blog at blog.example-1.com Note : I didn't set any subdomain in ISPConfig. Instead, I used "Add new website" for making a subdomain.

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  • A list of 'best practices' for extending the life between charges of a notebook battery.

    - by Tim Visher
    Hello Everyone, I'd like to compile a list of best practices for getting the most out of a single charge of a typical notebook battery (be it Li-Ion or Li-Poly). Sources would be great as well. I've heard, for instance, that the best things to do to improve battery performance (not the total lifetime of the battery, just single charge performance) are, in descending order of effectiveness: Turn your display all the way down. Turn off WiFi Turn off Bluetooth Spin down disks when they're not in use. etc… I'd like to get sources together for these and other tips for extending life-between-charge for any battery on any notebook (as these really are all about Demand Management rather than Life lime extension. Thanks!

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  • Using Default Document with Forms Authentication

    - by John Rabotnik
    I have a site hosted on IIS7 with a default document specified as default.aspx. This works fine but my app uses Forms Authentication and I want to disable Anonymous Authentication completely. When I do disable anonymous authentication for everything except the login page, everything works fine but the default document setting stops working. With Anonymous authentication switched on if I visit http://mysite I get passed to http://mysite/default.aspx (which then redirects to the login page if the user hasn't already logged in) If I disable anonymous authentication (leaving only forms based auth enabled) and I visit http://mysite I get a permission denied page from IIS. Yet, if I visit http://mysite/default.aspx directly then the site works fine. I just want to disable anonymous authentication and have http://mysite go to http://mysite/default.aspx. Any ideas would be greatly appreciated.

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  • My website directories downloads instead of actually opening up from browser

    - by numerical25
    I added some screencast to show what I am having issues with http://screencast.com/t/212t3ANINqk http://screencast.com/t/bR44U1wkvNZl http://screencast.com/t/iDS7APYYsa but the page downloads my subdirectories instead of opening them up and displaying the index file of that page Here is the situation. I am trying to get my web service up using mac ports and I am just trying to configure all the files. I am using php, apache, etc. the page goes to the localhost root but anything beyond that. it can not find. edit Ive tried to add the following to httpd.conf within the <IfModule mime_module> but no hope AddType application/x-httpd-php .php AddType application/x-httpd-php .phtml AddType application/x-httpd-php .php3 AddType application/x-httpd-php .php4 AddType application/x-httpd-php .html AddType application/x-httpd-php-source .phps

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  • Random users randomly being unable to connect to my static content domain

    - by jls33fsls
    I store all of my images, js, and css files on a separate domain to try and speed up page load times (it isn't a CDN, just a separate domain on the same server). This works fine for 99% of the users, 99% of the time. However, there are users that randomly are unable to connect to the static content domain for periods of 1-5 hours. They can go to the main site, but no images will load and everything is just white because no css is being loaded. If they go to the static content domain itself, the page just idles for a while and then times out with a blank white page, no error messages. I have no idea what could be causing this, and it hasn't happened to me, any ideas? I am running Apache on CentOS 5.5.

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  • What tools can be used to download all images in a webpage?

    - by bobo
    I would like to download all images in a web page. The tool should be smart enough to examine the css and javascript files in the page source to look for the images. Ideally, it should also replicate the folder hierarchy, saving the images in the correct folder. For example, the web page may have some images for menu items stored in images/menu/ and for background images it may be stored in images/bg/. Is there such a tool that you know of? (preferably in Windows but Linux is still ok) Many thanks to you all.

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  • Plesk Postfix Mail Server 9.5.4 very heavy load, 1000s of processes

    - by Eugene van der Merwe
    Our Plesk Linux Ubuntu 64-bit mail server has extremely high load and we don't know how to isolate it. The load was okay will two weeks ago but in the last two weeks it's seriously deteriorated. The mail server has been running for years and we have had sporadic performance issues. Normally we reduce the load by turning off all SPAM checks until the problem is sorted (which sometimes resolves itself). Currently we have turned of real time block lists, SPF checking and we have attempted to turn off SpamAssassin. No matter what we do the SpamAssassin check box stays ticked in the GUI. Out of desperation we have done /etc/init.d/psa-spamassassin stop. For years we haven't been able to do SpamAssassin because it kills the server. We would like to use it but performance is more important for now. We cannot turn off Greylisting. The moment we turn off Greylisting our help desk is inandated with calls. Out of desperation we investigated truncating the Greylisting database which is now 2.5 GB big but we abandoned this after noticing turning of Greylisting doesn't improve the performance at all. We have no anti-virus. It's just more load and Dr. Web never really worked that well for us. But we'll try that if it will make a difference. We have implemented Postfix Anvil. This seems to have made the situation worse so we disabled it. We’re not sure if this is the case. Our current mail server is configured to forward all SMTP to a relay server. We did so to reduce the load. This helped a lot because outgoing queues are generally empty. We are running in an Expand configuration. The mail server has about 12 000 accounts of which maybe half are active. We have read through this document: http://www.postfix.org/STRESS_README.html but there are too many settings and we don’t know which ones to choose. Please assist urgently. We need advice on how to fix this problem before all our clients abandon is. The only clue we have is that there are 100s of these processes: 30 13205 1 0 13:18 ? 00:00:00 /usr/lib/plesk-9.0/postfix-queue 127.0.0.1 10027 before-queue 30 13207 1 0 11:38 ? 00:00:00 /usr/lib/plesk-9.0/postfix-queue 127.0.0.1 10027 before-queue 30 13208 1 0 13:18 ? 00:00:00 /usr/lib/plesk-9.0/postfix-queue 127.0.0.1 10026 before-remote 30 13209 1 0 11:38 ? 00:00:00 /usr/lib/plesk-9.0/postfix-queue 127.0.0.1 10026 before-remote 30 13213 1 0 13:18 ? 00:00:00 /usr/lib/plesk-9.0/postfix-queue 127.0.0.1 10027 before-queue

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  • Provision storage in SAN encironment

    - by wildchild
    hi,.. Can somebody help in understanding how Lun Provisioning is done in clariion based on client requirement. Say, a client needs one 50 GB space on the host( for application) ,two -350 GBs ( for DB and stuff) on the same host and i have 4 raid groups with space of 200 GB in one 50 GB in second and 400 GB and 400GB in rest two all having 5 disks. And , I 'm using Raid 5 only. How do i provision keeping performance in mind( so that performance hit is not there)?..And i need to understand the concept of meta head as well. Please help me by elaborating the above scenario..I am learning to provision storage in non productive environment( b'fore going ahead and working on client prod server) and i have been learning a lot from SF ...I request the seniors here to help me understand it better. Thanks for reading

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  • In Cent os 6.2 can i update Kernel version to 3.4 ? if so how to upgrade kernel?

    - by shiva
    Hi, I have a server with Centos 6.2 with Kernel version 2.6 , but i need to increase my application Performance. The Kernel Version 3.4 has x32abi which can improve the performance so i want to upgrade to 3.4 ? Is it possible? I tried 1) downloading kernel compiling and installing but still i see the same Kernel version.. What went wrong? i followed the process in mentioned in the below link.. http://www.tecmint.com/kernel-3-5-released-install-compile-in-redhat-centos-and-fedora/

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  • About the External Graphics Card and CPU usage

    - by Balaji
    We are Rendering 16 live Streams at our client machine through one of our applications and the resolution of the video streams are as 4CIF/MPEG4/25FPS/4000Kbits. The configuration of the client machine is below. HP Desktop Machine: Microsoft Windows XP Intel (R) Core2 Duo CPU E8400 @ 3.00 GHz 2.99 GHz, 1.94 GB of RAM Intel (R) Q45/Q43 Series Express Chipset (Inbuild) The CPU usage of the machine peaks 99% for 16 streams. After some discussion, we had decided to install external graphics card to reduce the CPU usage. So that, we have tried following graphics cards. NVIDIA Quadro NVS 440 - 128 MB Radeon HD 4350 - 512 MB GDDR2 Redeon HD 4350 - 1GB DDR2 ASUS EAH 4350 Silent 1GB DDR2 But the performance wise there has been no difference - even a drop in performance. So, what is the purpose of these external graphics cards? Really it will reduce the CPU usage? What parameters have to check, if we want to reduce the CPU usage?

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