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  • mod_pagespeed using up too many resources?

    - by OC2PS
    I have found several threads from 2010 and early-2011 talking about excessive resource usage by mod_pagespeed I haven't seen any recent ones. I am facing excessive memory usage, which is causing server to crash several times a day. I am wondering if the issue was ever fixed before mod_pagespeed 1.0 was released. Also, request any tips and suggestion on how to fix the issue. My server configuration: 4 quad-core processors (likely oversold) 3GB memory Xen Centos 6 64-bit Apache cPanel PHP mySQL

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  • PHP installtion of Memcached

    - by Gugo
    i have installed on my server and home server (xampp) memcached with the extions memcache.so / memcache.dll (MemCache) and today i noticed that it gives MEMCACHED too, and i need to run memcached cause of the memcached command "append" which dont supports memcache i googled all the day but didnt find any tut how to install memcached for php (most tuts are for memcache and not for memcached) Can somebody help me with this problem (i want install it on my centos server and on my windows xampp server) My php version is 5x Thank you very much!

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  • Windows XP not starting up anymore (BSOD)

    - by Richard
    When I tried to start my computer running Windows XP yesterday, as I turned on the screen it was stuck at the "Welcome" screen. I had to reset it. After that, I got stuck at the point where the BIOS should load the OS - I turn on the PC, the Motherboard and BIOS post message shows up, then the blinking "thing" in the top left corner shows up 2 seconds, then everything is black. After I let it run for some time in that mode, it automatically restarts. I'm writing this here from a Ubuntu 9.10 Live CD. What can I do to fix this? How can I find out what is wrong? I'm a programmer and okay with doing (very) advanced things in that terms, so if you know something just tell me and I'll try

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  • Strange network traffic on my dedicated server. How to find out what is causing it

    - by valter
    I noticed a trange outgoing traffic in my dedicated server. I'd like to know how could I find out what is the reason to this. One day traffic One week traffic As you can see, there are bursts of spikes to over 20 megs of outgoing traffic. There is always a lower of outgoing data, before the burst. Is there any command I could use to know with application is causing this? Sorry I couldn't express using the best form.

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  • How do you start a program after X has started?

    - by cyborg
    Hello, there's a little app called F.Lux that sets your screen temperature based on the time of day. The Linux version is a little spartan with just a console interface but it works perfectly well. The question I have is where can I invoke it so that it starts up after X has started? Thanks.

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  • ubuntu server refusing connections via port forwarding

    - by Matt
    Getting some really weird behavior from our Ubuntu server... it's behind a Verizon router firewall with port forwarding (port 8080 to port 80 on the server), and we've been having issues accessing it via this external IP. From within the network, it appears to respond normally (I can access it via web browser and SSH), but refuses connections through port forwarding (using our static external IP). The strangest thing is that it actually responds to external port-forwarded connections right after being restarted, but quickly lapses back into this pattern of refusing external connections. I'm a bit of a server newbie (I'm actually a programmer in a small startup that just lost their server ops guy, urgh) so this is all trial by fire for me. Does anyone have any advice on what could be going wrong here? Any help would be appreciated, thanks.

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  • What are some solutions for cloud storage [closed]

    - by jaja
    I don't want to move my HDDs much, as it would definitely result in one of them one day dropping and fail... also, they are not portable (there are many), and inconvenient to use with a laptop. So, this is what I merely need:- 1) ability to access files as if the HDDs are directly connected to the computer. Which means I don't have to "transfer" to use (more like stream), and ease of access. 2) low cost.

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  • OWA web access calendar view missing items

    - by Marrie
    I have a user syncing calendar items - uses Outlook 2003, uses iPhone and uses OWA web access to view calendar....some recurring all day events are not showing up in OWA web access view, they are viewable in both iPhone and Outlook (client)....any ideas? ...Using Outlook Web Access version: 8.1.240.5 with Exchange Server 2007 Version: 08.01.0240.006

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  • Replace Certificate using Plesk 11

    - by Lambda Dusk
    I am not an admin, but a programmer. But how it is, if you're the only guy who knows about computers, everyone shoves those tasks to you. A certificate of a domain recently expired. The domains are managed using Plesk 11, on a Linux system, Apache2.2. I was given a new certificate from the host, and it is one single .pem file. However, Plesk asks me for a .crt file, a private key and some CA file. I have neither, only this single .pem file the host claims to be the certificate. Since I myself never did anything with SSL certificates, I would really appreciate if anyone can tell me what to do with this file and how to properly add a new one so the old one can be removed.

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  • D-link Local wireless

    - by Filippo
    I created a wireless network inside a D-Link DIR-301 connected to a Mac, What I want is that every device to connect to this network if the browser automatically opens instead of the default homepage, it redirects to my website already set in the localhost of the machine which also has the router attached. I'd also like to see that instead of the IP to connect to the site, there will be a "fake" link. What do you advise me? how can I proceed? I state that I am a bit novice in this field, being more a web programmer.

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  • How to change boot first screen resultion

    - by Joshua
    when i start my pc when the first screen i see the resultion is small but when it gets to log in screen its good how di i change the resultion screen size of the first screen thats the screen thats small and the log in screen and when i log in all thats good only that screen pls help me someone thanks the graphic card is gtx 680 thanks im not sure wht topic this goes in It worked perfectly one day I didn't read the nividia 3d thing and i didn't read and i unstalled the drivers and that change and then later installed it back after how do I fix this? Thanks

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  • What does a green colored file name mean? [duplicate]

    - by user178744
    This question already has an answer here: What do green folders mean in Windows 7 Explorer? 2 answers I downloaded a .zip file the other day and extracted it using 7zip from my desktop to my laptop over my home network, when it finished, its filename and the filename of its contents was green. What does this mean, can i revert it to normal, has anything been modified and is there a list somewhere of color codes for windows file names.. ? (I can recall seeing blue somewhere before).

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  • Where does Chrome store its bookmarks in Ubuntu 11.10?

    - by Alan Wood
    I looked at all the other posts on this but can't find the directories mentioned (~/.config/google-chrome/Default/Bookmarks, it's a JSON file.). Being a 2 day Newbie to Ubuntu/Linux I would like to know if the location has changed in the latest version or if not how I locate the directory indicated. I have logged in as root and searched for the folder and can't find it although I imported my bookmarks from a html file so I know that they must be saved somewhere.

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  • Specific cron at time point [closed]

    - by ARTI
    I have a very specific task, but can't handle it. I am not a programmer and totally n00b on bash scritps. So the question is, how to create a cron job like this: Script A.sh could be called at any time by hands, and it should create cron job to run script B.sh once at the nearest time point. For example I will have 4 time points: 10.00pm, 10.15pm, 10.30pm, 10.45pm. So if trigger a script A.sh at 10.07pm it should creat cron job to run ONCE script B.sh at 10.15h, because 10.15h is the nearest time point in future. Is it possible? How can I write such script A.sh? I use Centos 6 It is very important and urgent for me. Thank you very much.

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  • Apache mod_proxy dynamic filter

    - by jrhicks
    How can I configure Apache to ProxyBlock content based on something dynamic such as time-of-day or max-use. Basicly I'm curious about the scriptability of Apache. My web-stumbling leads me to believe I can combine mod-proxy and mod-perl in interesting ways to do dynamic filtering. But I'm pretty lost. What are some general instructions, tutorials, books, technologies to begin scripting Apache (or any suitable proxy).

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  • Will terminal keep executing a command after i disconnect my VNC session?

    - by Fer
    I established a remote session in a MacOSX (10.6.8) from my PC (Windows7) using VNC. I initiated terminal and it is currently executing a task that will take probably 1 day before completing. Should I expect that even if I disconnect the VNC session, Terminal will keep running after I disconnect? I assume so since I used VNC just to remotely start the process but want to double check. Can anybody tell me if I am wrong?

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  • Creating a Linux cluster/cloud to act as a server.

    - by Kavon Farvardin
    I have about four or five machines in the Pentium 3-4 era and I'm interested in creating a Linux server comprised of these machines. The server's main purposes would be to host several low-medium traffic websites/services (voice and game), and share terabytes of data on a local network. I could probably throw together one modern computer as a server and call it a day, but I'm interested in using these machines to do it instead. Where would I get started in this cluster/cloud setup?

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  • Mails are coming from mail server to my account automatically...???

    - by Jayakrishnan T
    Hi all, i am getting same mail from admin account of my mail server every day automatically.The content of the mail is given below. Click here to access your spam quarantine. The spam quarantine contains emails that are being held from your email account. Quarantined emails can be released to your inbox or deleted using the spam quarantine link. Please give me an advice to solve this problem.

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  • Logging process' CPU utilisation

    - by frinky
    Hello everyone, following problem deals with MS Windows Server 2008 R2 with Hyper-V: Does anybody have an idea how to log processes which cause CPU utilisation more than X percent? I want to uncover an unexpected CPU load peak problem which occurs once a day in a regular fashion. Since it's a terminal server, all network connections time out and bandwidth tends to zero.

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  • When & how does logrotate run under Ubuntu 10.04?

    - by OoJoo
    Hello, I am new to sysadmining and have a few questions: Where and how is the logrotate procedure initaited by the system? What time of day are my "daily" rotated logfiles being rotated? Do the prerotate commands run for each log file matched in a *.log entry? Thank you

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  • Snow Leopard 10.6.3 Freezes Frequently

    - by Abhishek
    Snow Leopard 10.6.3 on my Macbook Pro freezes quite frequently now. It freezes for few seconds and then works fine. During that time trackpad does not work and keyboard works partially (missing keystrokes while I type). Initially it was once or twice in a day but now it has become quite frequent. Is somebody else facing similar issue?

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  • Does programmable hardware exist to allow hardware to be programmed by computers?

    - by agentbanks217
    I am a programmer and I have never really dealt with the hardware of anything, only software. I want to start building things that I can control from my computer using programming. My question is are there such devices on the market that have a programmable interface or API? For example, I want to build a automated window blinds opening/closing device, and I would like to be able to control it from my computer e.g. writing an app or some code to schedule them when to open and close. I would like to know if there are any devices that can be programmed to do that (the computer part)? Thanks!

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