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  • check history of cpu/memory usage in ubuntu?

    - by johnlai2004
    Is there a way for me to review cpu or memory usage on my ubuntu linux server? I've noticed my server (lamp set up) being slow at times, but by the time I log in as root and run a PS command, everything may have returned to normal. It would be great to review a log of what resources different parts of the server consumed.

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  • How can I use my laptop's monitor as my PC's ONLY monitor? [closed]

    - by Randell
    Possible Duplicate: Can I use my laptop as a second monitor for my desk computer? My PC's monitor just died and I'm not looking at buying a new monitor anytime soon. So I'm thinking of using my laptop's monitor for it. Both machines are running on Fedora linux. Edit: Both machines are connected to the same wireless network. PC needs to log in before it can connect to the network if I'm not mistaken. Update: This is different from Can I use my laptop as a second monitor for my desk computer? , because that question is asking how to use the laptop screen as the secondary display, not as the only display.

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  • Free memory on linux [closed]

    - by Julia Roberts
    Possible Duplicate: Meaning of the buffers/cache line in the output of free What would be a good setting to free memory on linux? I have 8GB but gets used up so fast. current settings: kernel.sched_min_granularity_ns = 10000000 kernel.sched_wakeup_granularity_ns = 15000000 vm.dirty_ratio = 40 kernel.pid_max = 4096 vm.bdflush = 100 1200 128 512 15 5000 500 1884 2 What settings would I need so linux frees old ram faster?

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  • How do I know my laptop is 64 bit compatible?

    - by c.sokun
    I recently plan to buy a new laptop to run 64 bit OS, but I friend told me that my current laptop is 64 bit but I am not sure how do I verify if my laptop is ready to load 64 bit OS? Here is the result from cpuz edit: come say something at less if you want to vote this down :)

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  • Is there a point to using theft tracking software like Prey on my laptop, if you have login security?

    - by Reckage
    Hey, so I have a Thinkpad that I use in a variety of places (coffee shops, work, etc.). I don't generally abandon it, but I figure there's a chance I might get careless and it gets stolen at some point. I was thinking of installing something like Prey (http://preyproject.com/), but my OS installs are password secured, and on top of that, I have a fingerprint reader that you need just to get through the BIOS. So: is there actually any benefit to setting up software that tracks the laptop's whereabouts? I imagine that either: The laptop won't boot or login, if the thief doesn't get past the security. If the thief goes around said security somehow, presumably they've split the laptop for parts or bypassed BIOS security, gotten stuck on Windows security and formatted it. Given that it's highly unlikely that the thief would go to the trouble, what's the utility in installing laptop tracking software like Prey?

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  • Celery - minimize memory consuption

    - by Andrew
    We have ~300 celeryd processes running under Ubuntu 10.4 64-bit , in idle every process takes ~19mb RES, ~174mb VIRT, thus - it's around 6GB of RAM in idle for all processes. In active state - process takes up to 100mb of RES and ~300mb VIRT Every process uses minidom(xml files are < 500kb, simple structure) and urllib. Quetions is - how can we decrease RAM consuption - at least for idle workers, probably some celery or python options may help? How to determine which part takes most of memory?

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  • Dead laptop screen rewired to external only right from boot-up?

    - by Wesley
    I have a Compaq CQ50-215CA laptop and after a year and 5 months, the screen is completely distorted now. I plan on removing the screen soon, but I realize that the BIOS screen, OS select and Vista boot sequence are all displayed on the laptop screen rather than the external display. Is there some way to get the laptop to display everything (From boot-up to shutdown) on an external display (VGA port)?

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  • Can we connect a laptop to an external normal monitor ?

    - by Nishant
    Can we connect a LAPTOP to an external monitor ? Here is my problem - http://superuser.com/questions/120269/compaq-presario-laptop-monitor-problems I want to buy a external monitor but the problem is that they come at huge cost and probably getting a new laptop or netbook seems wiser. So I am looking for cheap solutions .

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  • Is it normal for an AC adapter to drop voltage if it's not used by a laptop?

    - by leladax
    I'm currently investigating the livelihood of a laptop adaptor and I noticed, unlike another adaptor it drops voltage to almost zero after I also attempt to measure its current [while it did show voltage at first, before measuring current]. The other adaptor normally shows voltage and then normally shows some current and then if it turns to measure voltage, it shows it normally again. I assume the adaptor is faulty, however, I want to make sure if laptop adaptors turn off themselves if they aren't used normally by a laptop.

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  • Why is the Task Manager Total Physical Memory not 2048 MB or 2 GB

    - by Dorothy
    I found 3 numbers for the Total Physical Memory: In the Task Manager under the Performance tab: 1978 MB In Computer Properties: 2 GB And running wmic computersystem get TotalPhysicalMemory /format:list in the command line: 2074554368 Bites Number 1 matches Number 3 except Number 1 is rounded. When I convert Number 3 to GB 2074554368 / 1024 / 1024 / 1024 I don't quite get 2 GB. I get 1.93207932 GB. Why does Number 1 and Number 3 not match Number 2?

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  • monitoring services, CPU, memory remotely on a Windows server machine

    - by ToastMan
    I'm looking for a tool that is able to (remotely) monitor CPU and Memory in a Windows server but most importantly, which service/process is using it. Or-- is it possible to monitor a specific running service? We got a server that freezes on regular basis and we're trying to find the culprit without using a local debugger. Would be great if the monitoring software came with an agent that we can install on the remote clients for maximum accuracy. Any suggestions are very much appreciated.

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  • Centos swap cache memory leak

    - by user30008
    We have a image server that keeps running out of memory and crashing, we thought there was a hardware issue with the machine because the code base has not changed and this is a new issue. We brought a new machine online with newer kernel and fresh centos 5.4 install and just brought online one subdomain and the exact same error is occurring on the new machine. How should I try and troubleshoot this issue.

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  • Identify an instance of Google Chrome by PID

    - by Laramie
    While working I generally need around 40 windows open at a time and run 100-200 processes. When memory constraints become an issue, I start picking off the processes that are the most resource intensive and disposable. Often these are chrome.exe. It would be helpful to be able to match a particularly memory-hungry instance of chrome to it's PID so I can selectively close it. That is, if I knew what the page title it is currently open to, I could choose whether it lives or dies. I've tried Process Explorer to no avail. Any ideas?

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  • Can I put a SATA2 HDD into a laptop supporting SATA1?

    - by user22559
    I have a laptop that supports SATA1 (1.5 GB/sec) The HDD for it has bad sectors, and I want to buy another one. It seems that where I live, SATA1 notebook HDDs aren't really available (only if you wait for a few weeks for them to be delivered), and they cost more than SATA2 HDDs. So I was wondering if I buy a SATA2 (3GB/sec) HDD, will it work without problems on my laptop? The laptop is an HP Pavilion DV6000

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  • Thinkpad laptop heats up more than it used to - what are my options?

    - by jdelage
    Hi, I have a 3 yr old laptop (Thinkpad T61) which runs seemingly much hotter than it used to. It's not uncomfortable to touch, but I wonder whether I should do something about it. It does get uncomfortable if I have it on my lap (which I rarely need to do). I haven't made any mods to the laptop other than a bigger HD, and I recently cleaned up the inside (superficially - I didn't remove the fan). Are fans items that should be changed regularly? Edit: I use the laptop plugged in 90%+ of the time. Thanks, JDelage PS: I know that a 3-yr old laptop is old tech, but this one works perfectly so....

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  • Will an Australian power adapter with an American plug charge a Laptop safely?

    - by leeand00
    A friend of mine has a laptop that she brought from Egypt to America, and she is afraid to charge it. She told me the laptop was purchased in Australia and it has a plug like this: And the power adapter reads The relevant text on the power brick reads: Wide Range Input 100-240V-1.7A(1.7A) 50-60Hz 18.5(18.5V) = 3.5A(3.5A) 65W The other end of the power adapter looks like this: Laptop make and model: HP Pavilion dv5-1045TX

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  • Current trends in Random Access Memory speed [closed]

    - by Vetal
    As I know for now because of laws of Physics there will be not any tangible improvements in CPU cycles per second for the nearest future. However because of Von Neumann bottleneck it seems to not be an issue for non-server applications. So what about RAM, is there any upcoming technologies that promise to improve memory speed or we are stack with the current situation till quantum computers will come out from labs?

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  • How can I stream my laptop's desktop to my iPad?

    - by Bane
    I recently got a wireless PC controller, and now I enjoy games playing from my bed. However, I find it hard to correctly place my laptop so it's comfortable, and it would be great if there was a way to view my screen through my iPad, with minimal lag; so I could simply leave my laptop behind me or on the desk and view the game from the iPad. Is this feasible/realistic? Additional info: Both the iPad and the laptop are on the same WiFi network

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  • IIS6 - Classic ASP - "out of memory"/"out of string space"

    - by glaucon
    We have a classic ASP application that's under significantly more load than usual. We are from time to time been getting "out of memory" and "out of string space" in the httperr. We do not usually see these errors. For the moment we cannot change the application. Is there anything we can do to the IIS config which will help to reduce or stop these errors occurring ? The application pool is set to default values currently.

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  • Avoiding memory full -> swap full -> crash

    - by Noam
    I'm experiencing an issue when sometimes the memory gets 100% full, and the swap file also, and the server becomes non-responsive and has to be restarted (causing also problems in database). This is what Cacti shows: The server is running a web-app (database + apache) and during that specific moment didn't experience any ir-regular traffic or usage. This scenario happened twice in the last week. What can cause this? How can I resolve the issue?

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  • My laptop adapter has just faintly chirped like a cricket. Should I not plug it into my laptop again?

    - by Bloke
    The DC end that goes into the laptop was unplugged and the AC end was plugged into the mains (actually the plug sucks, so it could have been that it was...you know...just on the border. Getting and losing contact many times in a short amount of time if I moved the cable a bit) ...So one of these times that I just touched the cable, it did this chirping cricket sound and I unplugged it immediately. It did smell a bit weird, but I'm not sure if that's normal (due to heat or whatever).. So, should I be afraid of if? Can it kill my laptop if I try charging it? I only have around half an hour of battery left. Please help. Hope this is the right StackExchange site to ask. Thank you in advance

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