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  • Multi monitor setup with a tv as well?

    - by jasondavis
    I have always had a dual monitor setup for my pc's for years now. I am now in the market to build a new PC and get some new stuff. I need some help or advice on how to run 3 monitors WITH a 4th display which will be a lcd/plasma tv. So I am thinking I can get 2 video cards and that will give me all the hookups to run 3 monitors instead of 2. I will mount all 3 monitors in a row side by side and above them on the wall I would like to mount a larger 30-40+ inch lcd or plasma tv. I would then like to hook up my atelite/cable to this tv just as I would normally hook up a tv but I would like to also be able to have an option to view my PC o this tv as well. I know that is possible but would it be possible to view my PC on that tv and also still view my 3 other monitors and have the TV be a 4th display, where I could dock a different app/window in windows in all 4 displays (3 monitors + tv) ?? Please tell me any tips/advice on how to do this including what cables/software if any/converters/ you name it. Thanks for any help

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  • configure a Macbook Pro to use external monitor at boot (Debian Linux)

    - by Eric
    In the spirit of reuse, I've installed Debian (version 6.0.5 "squeeze") on my wife’s old Macbook Pro (circa 2009 or so), to repurpose it for various tasks. The catch is the display is flaky. It will last a random amount of time, between 2 minutes and 2 hours, before freezing and graying out. This is a known issue with that generation of MBP. Fortunately it’s no problem for me, as I plan to use it with an external monitor anyway. Which brings us to the problem: How do I configure this thing to output to the external display by default, and hopefully disable the built-in LCD? The ideal solution would be to modify a setting in the EFI (BIOS), but I’m not holding out much hope for that. Next best thing would be a kernel option I can pass to the NVIDIA driver. What won’t work is a solution that doesn’t give me a display until X starts. I need to have console access, especially given that the built-in LCD is dying, and any day now might give out completely. So far I haven’t been able to find anything online. lspci says I’ve got an NVIDIA GeForce 9400M Help is much appreciated! Eric PS if this question is better suited to the Unix & Linux area, pls advise and I will move it.

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  • How can I monitor VNC via Nagios?

    - by atroon
    I have a number of remote sites which have VNC running on a few computers for support purposes. They are (obviously) only available on our internal network. I am using Nagios to keep track of all the systems in the network and I want to have it check to make sure the VNC server is running on the appropriate hosts. There is a 'check_vnc' plugin available here but it relies on VNC Snapshot which I don't want to use. Certainly I could use it, but it adds more complexity and dependency, which I want to avoid. It seems simpler to just use check_tcp to make sure I get the proper response to a connection request for VNC, e.g. port 5900, send a connect string, get back framebuffer info. My real question, I suppose, is this: What is the 'proper' generic connect string for VNC (I use both UltraVNC and RealVNC) and what is the expected response? If it's really easier to use the VNC Snapshot and check_vnc, let me know. I just can't imagine that a string of text isn't easier, faster, and less bandwidth intensive to monitor.

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  • "What happens?" server performance monitor

    - by AlexAtNet
    Hello! After reviewing some thread about server monitoring software I end up with a simple question: Which of the server monitoring tools should I use for automatic detection of "abnormal" situations with recommendations on how to fix them? I look for software that checks the system performance after installation and calculate some average load values (memory, CPU, etc). And when something happens (CPU load is increased to 20%) then it tries to detect a reason for this. If it is apache, it should check for access logs. If mysql, it should check mysql logs and tell me what happens. It this is because some user decodes a lot of images, I'd like to know which command is executed, when and user name. The same for disk usage, memory, number of processes, threads and so on. Ideally, this software should periodically checks the system and report problems: errors in PHP error log, outdated packages, security vulnerabilities. In other word I'm looking a software that will keep my simple Debian/Apache/PHP/MySQL server without forcing me to monitor the charts every day. I hope that such program exists. Thanks, Alex

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  • How to monitor bandwidth use of each device on wifi network

    - by GWLlosa
    I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless networking. The vast majority of the users are wireless connections. For day-to-day tasks, this connection is fully sufficient for all my needs. However, on regular occassions, we have social gatherings that involve many people bringing laptops and other PCs and using the network and internet simultaneously, frequently for gaming. I have no administrative oversight over these machines; they have been known to be riddled with spyware and/or bloatware or be running torrents, legal or otherwise. The only reason I care is that on a regular basis, one of the machines will flatline my internet bandwith, and consume it all in order to upload/download/spam people/whatever. When this happens, the latency of the connections for gaming and the like becomes unacceptable, and everyone suffers. My question is: Is there a system I can set up whereby I can easily monitor the various systems connected to my wireless connection, see how much bandwith each one is using, and for what ends? That way, at a glance, I can spot the offending machine and kick it from the connection, without having to go from machine to machine, checking each one's "bandwith used" properties manually, and dealing with the owner's indignant protests all the while. I understand this will likely involve 3rd-party software and/or hardware; my issue is I don't even know where to begin.

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  • ATI Firepro v4800 3 monitor support

    - by Jared275
    I have an interesting, yet very frustrating problem. I have two computers, both running win7 32 bit, and both with ATI Firepro V4800 graphics cards. Both are using the DVI port and two DP to DVI adapters to connect 3 monitors. One of them is able to display three desktops, while the other fails at enabling the third, displaying "cannot save changes" in display properties while requiring that one monitor must be disabled when making the change in CCC. I've verified that both computers have the same driver version and that both are using the same DP-DVI adapters. This articles suggests a few things to try, but none of its suggestions seem to work either. I'm kind of at my wits end, hence my posting here. If this is not an appropriate question for SU, I apologize. I admit that I am not very familiar with the differences between dual link and single link DVI, and that is something I have not verified is standardized between the two computers. Is that a possible reason one is working and the other isn't? How do I check if the DVI cable is a single link, or dual link?

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  • How To Monitor Home Wireless Network Connected Devices Bandwith

    - by GWLlosa
    (Originally posted on SuperUser, not sure if it might be better suited here) I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless networking. The vast majority of the users are wireless connections. For day-to-day tasks, this connection is fully sufficient for all my needs. However, on regular occassions, we have social gatherings that involve many people bringing laptops and other PCs and using the network and internet simultaneously, frequently for gaming. I have no administrative oversight over these machines; they have been known to be riddled with spyware and/or bloatware or be running torrents, legal or otherwise. The only reason I care is that on a regular basis, one of the machines will flatline my internet bandwith, and consume it all in order to upload/download/spam people/whatever. When this happens, the latency of the connections for gaming and the like becomes unacceptable, and everyone suffers. My question is: Is there a system I can set up whereby I can easily monitor the various systems connected to my wireless connection, see how much bandwith each one is using, and for what ends? That way, at a glance, I can spot the offending machine and kick it from the connection, without having to go from machine to machine, checking each one's "bandwith used" properties manually, and dealing with the owner's indignant protests all the while. I understand this will likely involve 3rd-party software and/or hardware; my issue is I don't even know where to begin.

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  • Using screen to monitor non-interactive scripts (or some other solution)

    - by Michael
    I have some autonomous scripts that run commands on remote machines over ssh. These scripts rely on getting stdout, stderr, and the return code of each command run. I want to be able to monitor the progress of the scripts on each target machine so that I can see if something has hung and possibly intervene if necessary. My initial idea was to have the scripts run commands in a screen session, so that the person monitoring could simply attach to the session with screen -x. However, it was hard to do that from a script since screen is an interactive program. I can send a command to the screen session with screen -S session -X stuff "command^M", but then I don't get the output and return code that I need back. My second idea was to put script /path/to/log in ~/.bash_profile and log the entire session to a file. Then the monitoring person could simply tail the log file. However, this doesn't provide the interactivity that I was looking for. Any ideas on how to solve this problem?

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  • linux: per-process monitor, every 10 minutes, with history access

    - by Inbar Rose
    I really didn't know a better way to ask my question, hence you get a horribly named question. I will explain what i want to do, maybe that will help you help me. I would like to have my linux machine continuously monitor (every 10 minutes) all the processes on my machine. The information from each process that I require is the name, CPU usage, allocated (virtual) memory, and resident (ram) memory. If these periodic reports were to be looked at, they would look something like this: PROCESS CPU RAM VIRTUAL name1 % MB MB name2 % MB MB ...etc..etc These reports should be stored in such a way that I can access them at a later date by giving a date/time scope (range). For instance, if I want to see the history of my processes from 12:00:00 1.12.12 till 12:00:00 2.12.12 I can - and it should give me the history of the processes for every 10 minutes between those date/time borders. The format of the return is not important, that will be handled by a script anyway and can be modified into anything I need. I have looked into a few things so far, but have not found something that clearly meets my needs. Among the things i searched: sar, free(1), top(1).. and a few other things. It should be a simple issue, i can already see all this information by simply looking at my htop, but i need only a tool that will gather the desired fields for me for each processes every 10 minutes, and then also let me extract slices of that data based on date/time scopes (ranges). note: I have limited experience with linux, so please give detailed information. note2: The desired output will be something like this (after receiving the desired range) CPU USAGE BY PROCESS: proc_nameA 1,2,2,2,2,2...... numbers represent % usage every 10 minutes... proc_nameB 4,3,3,6,1,2...... The same idea with the other information.

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  • Virus ridden computer freezes on startup - can't access safe mode

    - by Eric
    Someone whom I love but who cannot be trusted with a live internet connection downloaded a particularly nasty virus that in turn downloaded a variety of unknown other viruses onto my home computer. The computer now freezes completely a few seconds after reaching the desktop and is unresponsive to any keyboard or mouse command. There are videos of my little kid on this hard drive that are not backed up and that I cannot bear to lose. But if I could get in there long enough to copy them off to an external drive I would have no problem doing a clean windows install to fix the problem; everything else is backed up online but the videos were too large. Normally I would start by going into safe mode but I have a large Dell monitor that doesn't show anything until the welcome screen appears. I think that I have gotten into the setup screen once or twice by mashing keys before I can see anything, but this monitor doesn't support that so I can't see what I'm doing to get it to boot from CD or anything else. I'm at my wits end. Any advice?

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  • NVidia TwinView - slow rendering on dual desktop

    - by lisak
    Hey, does anybody have experience with it ? I've set it up 4 times on 4 different machines. And there was always problems with slow rendering ( for instance : scrolling pages in browser is not fluent). But there always was something that finally made it work perfectly... I remember that one time this option helped, but not now Option "RenderAccel" "1" Nvidia geforce 8400GS or Zotac geforce 9500GT Monitors connected via dvi and hdmi connectors proper nvidia driver installed Section "ServerLayout" Identifier "X.org Configured" Screen 0 "Screen0" 0 0 InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" Option "Xinerama" "0" EndSection Section "Files" ModulePath "/usr/lib64/xorg/modules" FontPath "/usr/share/fonts/local" FontPath "/usr/share/fonts/TTF" FontPath "/usr/share/fonts/OTF" FontPath "/usr/share/fonts/Type1" FontPath "/usr/share/fonts/misc" FontPath "/usr/share/fonts/CID" FontPath "/usr/share/fonts/75dpi/:unscaled" FontPath "/usr/share/fonts/100dpi/:unscaled" FontPath "/usr/share/fonts/75dpi" FontPath "/usr/share/fonts/100dpi" FontPath "/usr/share/fonts/cyrillic" EndSection Section "Module" Load "dri2" Load "glx" Load "extmod" Load "record" Load "dbe" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/input/mice" Option "ZAxisMapping" "4 5 6 7" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Acer AL1715" HorizSync 30.0 - 83.0 VertRefresh 50.0 - 75.0 EndSection Section "Device" Identifier "Nvidia" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "MSI big bang-fuzion" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce 8400 GS" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "RenderAccel" "1" Option "AllowGLXWithComposite" "1" Option "TwinView" "1" Option "TwinViewXineramaInfoOrder" "DFP-1" Option "metamodes" "CRT: 1280x1024 +1920+0, DFP: 1920x1080 +0+0" SubSection "Display" Depth 24 EndSubSection EndSection

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  • How to transfer a post request in curl into a ruby script?

    - by 0x90
    I have this post request: curl -i -X POST \ -H "Accept:application/json" \ -H "content-type:application/x-www-form-urlencoded" \ -d "disambiguator=Document&confidence=-1&support=-1&text=President%20Obama%20called%20Wednesday%20on%20Congress%20to%20extend%20a%20tax%20break%20for%20students%20included%20in%20last%20year%27s%20economic%20stimulus%20package" \ http://spotlight.dbpedia.org/dev/rest/annotate/ How can I write it in ruby? I tried this as Kyle told me: require 'rubygems' require 'net/http' require 'uri' uri = URI.parse('http://spotlight.dbpedia.org/rest/annotate') http = Net::HTTP.new(uri.host, uri.port) request = Net::HTTP::Post.new(uri.request_uri) request.set_form_data({ "disambiguator" => "Document", "confidence" => "0.3", "support" => "0", "text" => "President Obama called Wednesday on Congress to extend a tax break for students included in last year's economic stimulus package" }) request.add_field("Accept", "application/json") request.add_field("Content-Type", "application/x-www-form-urlencoded") response = http.request(request) puts response.inspect but got this error: #<Net::HTTPInternalServerError 500 Internal Error readbody=true>

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  • Using Array Variables For FILE_GET_CONTENTS

    - by Whoshooter
    I have a script all done now and everything has been debugged and it works, except for the last hurdle. This script grabs pertinent information on bank web sites, takes that data and uses it to populate a template and then it's all posted to Wordpress - BUT I get an error because the file_get_contents function fails taking each url from the Array. I've var_dumped the array and all the URLS are there in the [0] key, so this is what I tried. master data is the scraped URL source the script uses urlscrape_array is the collection of URLS $master_data = file_get_contents($urlscrape_array[0]); When I run the script using a URL like below it works beautifully every time; $master_data = file_get_contents("http://www.somesite/somepage.html"); This is the error I get when I try to use the first example' Warning: file_get_contents() expects parameter 1 to be string, array given in /home3/path/public_html/mysite.com/boise_project/scriptmainpage.php on line 13 As requested here is a sample of the var_dump on $urlscrape_array[0] array(504) { [0]=> string(56) "http://www.somepage.com/somepage-3178.html" [1]=> string(54) "http://www.somepage.com/somepage-16.html" [2]=> string(56) "http://www.somepage.com/somepage-3202.html" [3]=> string(56) "http://www.somepage.com/somepage-4324.html" [4]=> string(56) "http://www.somepage.com/somepage-4777.html" [5]=> string(56) "http://www.somepage.com/somepage-5140.html" [6]=> string(56) "http://www.somepage.com/somepage-5220.html" [7]=> string(56) "http://www.somepage.com/somepage-9205.html" [8]=> string(56) "http://www.somepage.com/somepage-3251.html" [9]=> string(56) "http://www.somepage.com/somepage-3323.html" [10]=> string(56) "http://www.somepage.com/some-page-3797.html" [11]=> string(56) "http://www.somepage.com/some-page-4145.html" [12]=> string(56) "http://www.somepage.com/some-page-3191.html" [13]=> string(55) "http://www.somepage.com/some-page-329.html" [14]=> string(56) etc.... Error as per the foreach statement provided by Uptown Warning: Invalid argument supplied for foreach() in /home3/bettyt45/public_html/bdbud.com/boise_project/boise-wordpress.php on line 12 NULL print_r resulst below; Array ( [0] => Array ( [0] => http://www.somesite.com/some-page-3178.html [1] => http://www.somesite.com/some-page-16.html [2] => http://www.somesite.com/some-page-3202.html [3] => http://www.somesite.com/some-page-4324.html [4] => http://www.somesite.com/some-page-4777.html [5] => http://www.somesite.com/some-page-5140.html [6] => http://www.somesite.com/some-page-5220.html [7] => http://www.somesite.com/some-page-9205.html [8] => http://www.somesite.com/some-page-3251.html [9] => http://www.somesite.com/some-page-3323.html [10] => http://www.somesite.com/some-page-3797.html [11] => http://www.somesite.com/some-page-4145.html [12] => http://www.somesite.com/some-page-3191.html [13] => http://www.somesite.com/some-page-329.html [14] => http://www.somesite.com/some-page-3341.html [15] => http://www.somesite.com/some-page-3758.html [16] => http://www.somesite.com/some-page-4180.html [17] => http://www.somesite.com/some-page-9014.html [18] => http://www.somesite.com/some-page-5987.html [19] => http://www.somesite.com/some-page-1542.html [20] => http://www.somesite.com/some-page-3004.html [21] => http://www.somesite.com/some-page-9034.html [22] => http://www.somesite.com/some-page-3385.html [23] => http://www.somesite.com/some-page-3435.html [24] => http://www.somesite.com/some-page-6389.html [25] => http://www.somesite.com/some-page-6992.html [26] => http://www.somesite.com/some-page-7051.html HERE IS THE CODE I USED TO CREATE THE ARRAY ABOVE; $urlscrape_data = file_get_contents('http://www.bdbud.com/boise_project/boise-urls.htm'); preg_match_all('~http\:\/\/www.creditunionsonline.com\/credit\-union\-\d{1,4}?\.html~', $urlscrape_data, $urlscrape_matches); $urlscrape_array = $urlscrape_matches;

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  • Application that will identify percentage of your system disk bandwidth used on a user-application by user-application basis?

    - by Warren P
    I always (subjectively) feel my computer is far too slow (however fast it is), and so I'm always looking for ways to measure and understand what my computer is actually doing, that is making it seem "slow" to me. It has been my observation that my software-developer workload is most often disk-bound (I am waiting for Disk I/O) more than CPU bound. What has made it worse, is that I am using a corporate PC that has in-memory active-scanning anti-virus software that I do not have control over, and also some IT department mandated services that seem to suck up a lot of available hard-disk bandwidth. The best tool I have seen (in Windows 7) is the Resource Monitor which I usually acess from the button in the task Manager. The disk IO page, however, seems to label Disk Activity at a very low level (for example, showing the Volume Shadow Storage, which is flushing information obviously written by something ELSE other than VSS itself, and then writes to Pagefile.sys, which are obviously due to Virtual Memory faults in some application). What I would like to know is if a utility exists that can add up all direct disk input and output by user-level process, or find the process or service that caused VM or VSS activity. In that way, I hope, you could establish a real idea of how much of your computer's precious disk subsystem bandwidth is attributable to a particular application. here's a scenario: MyApp.exe writes 100k/s and reads 100k/s directly. VSS ends up writing another 100k/s. pagefaults caused inside MyApp.exe cause another 100k/s of writes. So the total "cost" of MyApp.exe running, during a period of time (let's say 1 second) is 400k/s, whereas you can only directly observe half of that, in Resource Monitor. Is there a smarter disk-IO watching piece of software I can use?

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  • NVidia TwinView - slow rendering on dual desktop [closed]

    - by lisak
    Hey, does anybody have experience with it ? I've set it up 4 times on 4 different machines. And there was always problems with slow rendering ( for instance : scrolling pages in browser is not fluent). But there always was something that finally made it work perfectly... I remember that one time this option helped, but not now Option "RenderAccel" "1" Nvidia geforce 8400GS or Zotac geforce 9500GT Monitors connected via dvi and hdmi connectors proper nvidia driver installed Section "ServerLayout" Identifier "X.org Configured" Screen 0 "Screen0" 0 0 InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" Option "Xinerama" "0" EndSection Section "Files" ModulePath "/usr/lib64/xorg/modules" FontPath "/usr/share/fonts/local" FontPath "/usr/share/fonts/TTF" FontPath "/usr/share/fonts/OTF" FontPath "/usr/share/fonts/Type1" FontPath "/usr/share/fonts/misc" FontPath "/usr/share/fonts/CID" FontPath "/usr/share/fonts/75dpi/:unscaled" FontPath "/usr/share/fonts/100dpi/:unscaled" FontPath "/usr/share/fonts/75dpi" FontPath "/usr/share/fonts/100dpi" FontPath "/usr/share/fonts/cyrillic" EndSection Section "Module" Load "dri2" Load "glx" Load "extmod" Load "record" Load "dbe" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/input/mice" Option "ZAxisMapping" "4 5 6 7" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Acer AL1715" HorizSync 30.0 - 83.0 VertRefresh 50.0 - 75.0 EndSection Section "Device" Identifier "Nvidia" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "MSI big bang-fuzion" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce 8400 GS" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "RenderAccel" "1" Option "AllowGLXWithComposite" "1" Option "TwinView" "1" Option "TwinViewXineramaInfoOrder" "DFP-1" Option "metamodes" "CRT: 1280x1024 +1920+0, DFP: 1920x1080 +0+0" SubSection "Display" Depth 24 EndSubSection EndSection

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  • permission denied: /etc/apt/sources.list

    - by Eli
    I'm trying to install java jre, i usually do it like this sudo echo 'deb http://www.duinsoft.nl/pkg debs all' >> /etc/apt/sources.list sudo apt-key adv --keyserver keys.gnupg.net --recv-keys 5CB26B26 sudo apt-get update sudo apt-get install update-sun-jre exit but when i do sudo echo 'deb http://www.duinsoft.nl/pkg debs all' >> /etc/apt/sources.list i see permission denied: /etc/apt/sources.list When i do ls -l /etc/apt/sources.list i see -rw-r--r-- 1 root root 3360 Aug 26 01:45 /etc/apt/sources.list When i do sudo mv /etc/apt/sources.list /etc/apt/sources.list.old sudo cat /etc/apt/sources.list.old | sudo tee /etc/apt/sources.list i see #deb cdrom:[Ubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ dists/precise/main/binary-i386/ #deb cdrom:[Ubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ dists/precise/restricted/binary-i386/ #deb cdrom:[Ubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ precise main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://lb.archive.ubuntu.com/ubuntu/ precise main restricted deb-src http://lb.archive.ubuntu.com/ubuntu/ precise main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://lb.archive.ubuntu.com/ubuntu/ precise-updates main restricted deb-src http://lb.archive.ubuntu.com/ubuntu/ precise-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://lb.archive.ubuntu.com/ubuntu/ precise universe deb-src http://lb.archive.ubuntu.com/ubuntu/ precise universe deb http://lb.archive.ubuntu.com/ubuntu/ precise-updates universe deb-src http://lb.archive.ubuntu.com/ubuntu/ precise-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://lb.archive.ubuntu.com/ubuntu/ precise multiverse deb-src http://lb.archive.ubuntu.com/ubuntu/ precise multiverse deb http://lb.archive.ubuntu.com/ubuntu/ precise-updates multiverse deb-src http://lb.archive.ubuntu.com/ubuntu/ precise-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://lb.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse deb-src http://lb.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu precise-security main restricted deb-src http://security.ubuntu.com/ubuntu precise-security main restricted deb http://security.ubuntu.com/ubuntu precise-security universe deb-src http://security.ubuntu.com/ubuntu precise-security universe deb http://security.ubuntu.com/ubuntu precise-security multiverse deb-src http://security.ubuntu.com/ubuntu precise-security multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. # deb http://archive.canonical.com/ubuntu precise partner # deb-src http://archive.canonical.com/ubuntu precise partner ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software. deb http://extras.ubuntu.com/ubuntu precise main deb-src http://extras.ubuntu.com/ubuntu precise main and the issue is not solved, i still see that permission error, I'm on a 64 bit laptop

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  • What problem does double or triple buffering solve in modern games?

    - by krokvskrok
    I want to check if my understanding of the causes for using double (or triple) buffering is correct: A monitor with 60Hz refresh's the monitor-display 60 times per second. If the monitor refresh the monitor-display, he updates pixel for pixel and line for line. The monitor requests the color values for the pixels from the video memory. If I run now a game, then this game is constantly manipulating this video memory. If this game don't use a buffer strategy (double buffering etc.) then the following problem can happen: The monitor is now refreshing his monitor-display. At this moment the monitor had refreshed the first half monitor-display already. At the same time, the game had manipulated the video memory with new data. Now the monitor accesses for the second half monitor-display this new manipulated data from the video memory. The problems can be tearing or flickering. Is my understanding of cases of using buffer strategy correct? Are there other reasons?

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  • Config Apache HTTP Server for Eclipse

    - by hqt
    Maybe this question is silly but I really don't know how to solve. First, as other server, I want to define new server. So, in Eclipse, I go to: WindowsPreferenceServer: 1) When I add new server, in list, no category for apache HTTP server. Just has apache tomcat. So, I click into download additional server adapter--still don't have in list. 2) So, I search. I point to location I have installed. Good, Eclipse sees that is a HTTP Server. And Eclipse see folder to put project into for me (because I use LAMPP so that folder isn't in Apache folder). But here is my problem. When I want to run a new PHP Project. Right click, run on server. A new dialog appear take me to choose which server to run. And, in list of server, no HTTP Server, So, I don't know how to choose Apache HTTP Server !!! (because Eclipse doesn't see which server that I have defined, eclipse just find adapter first) So, if I want to run this project, I must copy all and paste to apache folder. Too handy !!! Please help me. Thanks :)

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  • Apache Redirect is redirecting all HTTP instead of just one subdomain

    - by David Kaczynski
    All HTTP requests, such as http://example.com, are getting redirected to https://redmine.example.com, but I only want http://redmine.example.com to be redirected. For example, requests for I have the following in my 000-default configuration: <VirtualHost *:80> ServerName redmine.example.com DocumentRoot /usr/share/redmine/public Redirect permanent / https://redmine.example.com </VirtualHost> <VirtualHost *:80> ServerAdmin webmaster@localhost DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> . . . </VirtualHost> Here is my default-ssl configuration: <VirtualHost *:443> ServerName redmine.example.com DocumentRoot /usr/share/redmine/public SSLEngine on SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key BrowserMatch "MSIE [2-6]" \ nokeepalive ssl-unclean-shutdown \ downgrade-1.0 force-response-1.0 BrowserMatch "MSIE [17-9]" ssl-unclean-shutdown <Directory /usr/share/redmine/public> Options FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> LogLevel info ErrorLog /var/log/apache2/redmine-error.log CustomLog /var/log/apache2/redmine-access.log combined </VirtualHost> <VirtualHost *:443> ServerAdmin webmaster@localhost DocumentRoot /var/www <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> . . . </VirtualHost> Is there anything here that is cause all HTTP requests to be redirected to https://redmine.example.com?

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  • I am receiving a message saying I have duplicate sources but I can't seem to find a duplicate of the line described, any ideas?

    - by David Griffiths
    I receive this meassage when I run sudo apt-get update in the terminal:- Duplicate sources.list entry http://archive.canonical.com/ubuntu/ precise/partner i386 Packages (/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_precise_partner_binary-i386_Packages) So i ran the command gksu gedit /etc/apt/sources.list and checked the source to find there was no duplicate, not that I can see anyway. Here is the source:- # deb cdrom:[Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423)]/ precise main restricted deb-src http://archive.ubuntu.com/ubuntu precise main restricted #Added by software-properties # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://gb.archive.ubuntu.com/ubuntu/ precise main restricted deb-src http://gb.archive.ubuntu.com/ubuntu/ precise restricted main multiverse universe #Added by software-properties ## Major bug fix updates produced after the final release of the ## distribution. deb http://gb.archive.ubuntu.com/ubuntu/ precise-updates main restricted deb-src http://gb.archive.ubuntu.com/ubuntu/ precise-updates restricted main multiverse universe #Added by software-properties ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://gb.archive.ubuntu.com/ubuntu/ precise universe deb http://gb.archive.ubuntu.com/ubuntu/ precise-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://gb.archive.ubuntu.com/ubuntu/ precise multiverse deb http://gb.archive.ubuntu.com/ubuntu/ precise-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://gb.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse deb-src http://gb.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse #Added by software-properties deb http://security.ubuntu.com/ubuntu precise-security main restricted deb-src http://security.ubuntu.com/ubuntu precise-security restricted main multiverse universe #Added by software-properties deb http://security.ubuntu.com/ubuntu precise-security universe deb http://security.ubuntu.com/ubuntu precise-security multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. deb http://archive.canonical.com/ubuntu precise partner # deb-src http://archive.canonical.com/ubuntu precise partner ## Uncomment the following two lines to add software from Ubuntu's ## 'extras' repository. ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software. # deb http://extras.ubuntu.com/ubuntu precise main # deb-src http://extras.ubuntu.com/ubuntu precise main deb http://repository.spotify.com stable non-free I can see there are two lines of deb http://archive.canonical.com/ubuntu precise partner but one has #deb-src at the beginning of it. Hashed out no? I'm quite new to linux OS and have little to none sourced editing skills so any help would be most appreciated. Thank you:)

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  • Windows Azure Learning Plan - Architecture

    - by BuckWoody
    This is one in a series of posts on a Windows Azure Learning Plan. You can find the main post here. This one deals with what an Architect needs to know about Windows Azure.   General Architectural Guidance Overview and general  information about Azure - what it is, how it works, and where you can learn more. Cloud Computing, A Crash Course for Architects (Video) http://www.msteched.com/2010/Europe/ARC202 Patterns and Practices for Cloud Development http://msdn.microsoft.com/en-us/library/ff898430.aspx Design Patterns, Anti-Patterns and Windows Azure http://blogs.msdn.com/b/ignitionshowcase/archive/2010/11/27/design-patterns-anti-patterns-and-windows-azure.aspx Application Patterns for the Cloud http://blogs.msdn.com/b/kashif/archive/2010/08/07/application-patterns-for-the-cloud.aspx Architecting Applications for High Scalability (Video) http://www.msteched.com/2010/Europe/ARC309 David Aiken on Azure Architecture Patterns (Video) http://blogs.msdn.com/b/architectsrule/archive/2010/09/09/arcast-tv-david-aiken-on-azure-architecture-patterns.aspx Cloud Application Architecture Patterns (Video) http://blogs.msdn.com/b/bobfamiliar/archive/2010/10/19/cloud-application-architecture-patterns-by-david-platt.aspx 10 Things Every Architect Needs to Know about Windows Azure http://geekswithblogs.net/iupdateable/archive/2010/10/20/slides-and-links-for-windows-azure-platform-session-at-software.aspx Key Differences Between Public and Private Clouds http://blogs.msdn.com/b/kadriu/archive/2010/10/24/key-differences-between-public-and-private-clouds.aspx Microsoft Application Platform at a Glance http://blogs.msdn.com/b/jmeier/archive/2010/10/30/microsoft-application-platform-at-a-glance.aspx Windows Azure is not just about Roles http://vikassahni.wordpress.com/2010/11/17/windows-azure-is-not-just-about-roles/ Example Application for Windows Azure http://msdn.microsoft.com/en-us/library/ff966482.aspx Implementation Guidance Practical applications for the architect to consider 5 Enterprise steps for adopting a Platform as a Service http://blogs.msdn.com/b/davidmcg/archive/2010/12/02/5-enterprise-steps-for-adopting-a-platform-as-a-service.aspx?wa=wsignin1.0 Performance-Based Scaling in Windows Azure http://msdn.microsoft.com/en-us/magazine/gg232759.aspx Windows Azure Guidance for the Development Process http://blogs.msdn.com/b/eugeniop/archive/2010/04/01/windows-azure-guidance-development-process.aspx Microsoft Developer Guidance Maps http://blogs.msdn.com/b/jmeier/archive/2010/10/04/developer-guidance-ia-at-a-glance.aspx How to Build a Hybrid On-Premise/In Cloud Application http://blogs.msdn.com/b/ignitionshowcase/archive/2010/11/09/how-to-build-a-hybrid-on-premise-in-cloud-application.aspx A Common Scenario of Multi-instances in Windows Azure http://blogs.msdn.com/b/windows-azure-support/archive/2010/11/03/a-common-scenario-of-multi_2d00_instances-in-windows-azure-.aspx Slides and Links for Windows Azure Platform Best Practices http://geekswithblogs.net/iupdateable/archive/2010/09/29/slides-and-links-for-windows-azure-platform-best-practices-for.aspx AppFabric Architecture and Deployment Topologies guide http://blogs.msdn.com/b/appfabriccat/archive/2010/09/10/appfabric-architecture-and-deployment-topologies-guide-now-available-via-microsoft-download-center.aspx Windows Azure Platform Appliance http://www.microsoft.com/windowsazure/appliance/ Integrating Cloud Technologies into Your Organization Interoperability with Open Source and other applications; business and cost decisions Interoperability Labs at Microsoft http://www.interoperabilitybridges.com/ Windows Azure Service Level Agreements http://www.microsoft.com/windowsazure/sla/

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  • Is it wise to store a big lump of json on a database row

    - by Ieyasu Sawada
    I have this project which stores product details from amazon into the database. Just to give you an idea on how big it is: [{"title":"Genetic Engineering (Opposing Viewpoints)","short_title":"Genetic Engineering ...","brand":"","condition":"","sales_rank":"7171426","binding":"Book","item_detail_url":"http://localhost/wordpress/product/?asin=0737705124","node_list":"Books > Science & Math > Biological Sciences > Biotechnology","node_category":"Books","subcat":"","model_number":"","item_url":"http://localhost/wordpress/wp-content/ecom-plugin-redirects/ecom_redirector.php?id=128","details_url":"http://localhost/wordpress/product/?asin=0737705124","large_image":"http://localhost/wordpress/wp-content/plugins/ecom/img/large-notfound.png","medium_image":"http://localhost/wordpress/wp-content/plugins/ecom/img/medium-notfound.png","small_image":"http://localhost/wordpress/wp-content/plugins/ecom/img/small-notfound.png","thumbnail_image":"http://localhost/wordpress/wp-content/plugins/ecom/img/thumbnail-notfound.png","tiny_img":"http://localhost/wordpress/wp-content/plugins/ecom/img/tiny-notfound.png","swatch_img":"http://localhost/wordpress/wp-content/plugins/ecom/img/swatch-notfound.png","total_images":"6","amount":"33.70","currency":"$","long_currency":"USD","price":"$33.70","price_type":"List Price","show_price_type":"0","stars_url":"","product_review":"","rating":"","yellow_star_class":"","white_star_class":"","rating_text":" of 5","reviews_url":"","review_label":"","reviews_label":"Read all ","review_count":"","create_review_url":"http://localhost/wordpress/wp-content/ecom-plugin-redirects/ecom_redirector.php?id=132","create_review_label":"Write a review","buy_url":"http://localhost/wordpress/wp-content/ecom-plugin-redirects/ecom_redirector.php?id=19186","add_to_cart_action":"http://localhost/wordpress/wp-content/ecom-plugin-redirects/add_to_cart.php","asin":"0737705124","status":"Only 7 left in stock.","snippet_condition":"in_stock","status_class":"ninstck","customer_images":["http://localhost/wordpress/wp-content/uploads/2013/10/ecom_images/51M2vvFvs2BL.jpg","http://localhost/wordpress/wp-content/uploads/2013/10/ecom_images/31FIM-YIUrL.jpg","http://localhost/wordpress/wp-content/uploads/2013/10/ecom_images/51M2vvFvs2BL.jpg","http://localhost/wordpress/wp-content/uploads/2013/10/ecom_images/51M2vvFvs2BL.jpg"],"disclaimer":"","item_attributes":[{"attr":"Author","value":"Greenhaven Press"},{"attr":"Binding","value":"Hardcover"},{"attr":"EAN","value":"9780737705126"},{"attr":"Edition","value":"1"},{"attr":"ISBN","value":"0737705124"},{"attr":"Label","value":"Greenhaven Press"},{"attr":"Manufacturer","value":"Greenhaven Press"},{"attr":"NumberOfItems","value":"1"},{"attr":"NumberOfPages","value":"224"},{"attr":"ProductGroup","value":"Book"},{"attr":"ProductTypeName","value":"ABIS_BOOK"},{"attr":"PublicationDate","value":"2000-06"},{"attr":"Publisher","value":"Greenhaven Press"},{"attr":"SKU","value":"G0737705124I2N00"},{"attr":"Studio","value":"Greenhaven Press"},{"attr":"Title","value":"Genetic Engineering (Opposing Viewpoints)"}],"customer_review_url":"http://localhost/wordpress/wp-content/ecom-customer-reviews/0737705124.html","flickr_results":["http://localhost/wordpress/wp-content/uploads/2013/10/ecom_images/5105560852_06c7d06f14_m.jpg"],"freebase_text":"No around the web data available yet","freebase_image":"http://localhost/wordpress/wp-content/plugins/ecom/img/freebase-notfound.jpg","ebay_related_items":[{"title":"Genetic Engineering (Introducing Issues With Opposing Viewpoints), , Good Book","image":"http://localhost/wordpress/wp-content/uploads/2013/10/ecom_images/140.jpg","url":"http://localhost/wordpress/wp-content/ecom-plugin-redirects/ecom_redirector.php?id=12165","currency_id":"$","current_price":"26.2"},{"title":"Genetic Engineering Opposing Viewpoints by DAVID BENDER - 1964 Hardcover","image":"http://localhost/wordpress/wp-content/uploads/2013/10/ecom_images/140.jpg","url":"http://localhost/wordpress/wp-content/ecom-plugin-redirects/ecom_redirector.php?id=130","currency_id":"AUD","current_price":"11.99"}],"no_follow":"rel=\"nofollow\"","new_tab":"target=\"_blank\"","related_products":[],"super_saver_shipping":"","shipping_availability":"","total_offers":"7","added_to_cart":""}] So the structure for the table is: asin title details (the product details in json) Will the performance suffer if I have to store like 10,000 products? Is there any other way of doing this? I'm thinking of the following, but the current setup is really the most convenient one since I also have to use the data on the client side: store the product details in a file. So something like ASIN123.json store the product details in one big file. (I'm guessing it will be a drag to extract data from this file) store each of the fields in the details in its own table field Thanks in advance!

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  • Memcached Debuging/Server Logs Monitor the Memcached Servers?

    - by user1179459
    I have chat engine which is based on the Memcached variables, putting them into arrays and reading them in other end via jquery, which works fine 95% of the times, however when the server load is high memcached (presume its the memcached) the crash and browser gets stucks up. I dont think its jquery issue since this only happens when the server load is very high. I need a way to monitor the memcached servers or somehow write a log file into where the fails/errors comes in... Any idea on how i can do this ? or any idea why memcached servers fails ? I run the memcached as follows $GLOBALS['MemCached'] = FALSE; $GLOBALS['MemCached'] = new Memcache; $GLOBALS['MemCached']->pconnect('localhost', 11211); My memcached config is as follows #! /bin/sh # # chkconfig: - 55 45 # description: The memcached daemon is a network memory cache service. # processname: memcached # config: /etc/sysconfig/memcached # pidfile: /var/run/memcached/memcached.pid # Standard LSB functions #. /lib/lsb/init-functions # Source function library. . /etc/init.d/functions PORT=11211 USER=memcached MAXCONN=1024 CACHESIZE=128 OPTIONS="" if [ -f /etc/sysconfig/memcached ];then . /etc/sysconfig/memcached fi # Check that networking is up. . /etc/sysconfig/network if [ "$NETWORKING" = "no" ] then exit 0 fi RETVAL=0 prog="memcached" pidfile=${PIDFILE-/var/run/memcached/memcached.pid} lockfile=${LOCKFILE-/var/lock/subsys/memcached} start () { echo -n $"Starting $prog: " # Ensure that /var/run/memcached has proper permissions if [ "`stat -c %U /var/run/memcached`" != "$USER" ]; then chown $USER /var/run/memcached fi daemon --pidfile ${pidfile} memcached -d -p $PORT -u $USER -m $CACHESIZE -c $MAXCONN -P ${pidfile} $OPTIONS RETVAL=$? echo [ $RETVAL -eq 0 ] && touch ${lockfile} } stop () { echo -n $"Stopping $prog: " killproc -p ${pidfile} /usr/bin/memcached RETVAL=$? echo if [ $RETVAL -eq 0 ] ; then rm -f ${lockfile} ${pidfile} fi } restart () { stop start } # See how we were called. case "$1" in start) start ;; stop) stop ;; status) status -p ${pidfile} memcached RETVAL=$? ;; restart|reload|force-reload) restart ;; condrestart|try-restart) [ -f ${lockfile} ] && restart || : ;; *) echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart|try-restart}" RETVAL=2 ;; esac exit $RETVAL

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  • what should be limit to use for IPTABLE rate limiting for a webserver

    - by Registered User
    I see on my webserver some logs as follows 203.252.157.98 - :25:02 "GET //phpmyadmin/ HTTP/1.1" 404 393 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:03 "GET //phpMyAdmin/ HTTP/1.1" 404 394 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:03 "GET //pma/ HTTP/1.1" 404 388 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:04 "GET //dbadmin/ HTTP/1.1" 404 391 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:05 "GET //myadmin/ HTTP/1.1" 404 391 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:06 "GET //phppgadmin/ HTTP/1.1" 404 394 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:06 "GET //PMA/ HTTP/1.1" 404 389 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:07 "GET //admin/ HTTP/1.1" 404 389 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :25:08 "GET //MyAdmin/ HTTP/1.1" 404 392 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :27:36 "GET //phpmyadmin/ HTTP/1.1" 404 393 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :27:42 "GET //phpMyAdmin/ HTTP/1.1" 404 394 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :27:42 "GET //pma/ HTTP/1.1" 404 388 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - :27:43 "GET //dbadmin/ HTTP/1.1" 404 391 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" 203.252.157.98 - - "GET //myadmin/ HTTP/1.1" 404 391 "-" "Made by ZmEu @ WhiteHat Team - www.whitehat.ro" and some more as follows 118.219.234.254 - - [19/Oct/2010:22:57:41 "GET /pma/scripts/setup.php HTTP/1.1" 404 399 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:41 "GET /scripts/setup.php HTTP/1.1" 404 397 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:42 "GET /sqlweb/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:42 "GET /web/phpMyAdmin/scripts/setup.php HTTP/1.1" 404 408 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:43 "GET /web/phpmyadmin/scripts/setup.php HTTP/1.1" 404 408 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:44 "GET /web/scripts/setup.php HTTP/1.1" 404 400 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:44 "GET /webadmin/scripts/setup.php HTTP/1.1" 404 403 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:45 "GET /webdb/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:22:57:45 "GET /websql/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:51 "GET /admin/phpmyadmin/scripts/setup.php HTTP/1.1" 404 407 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:52 "GET /admin/pma/scripts/setup.php HTTP/1.1" 404 404 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:52 "GET /admin/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:53 "GET /db/scripts/setup.php HTTP/1.1" 404 399 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:54 "GET /dbadmin/scripts/setup.php HTTP/1.1" 404 402 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:54 "GET /myadmin/scripts/setup.php HTTP/1.1" 404 403 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:55 "GET /mysql/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:55 "GET /mysqladmin/scripts/setup.php HTTP/1.1" 404 405 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:56 "GET /phpMyAdmin/scripts/setup.php HTTP/1.1" 404 405 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:56 "GET /phpadmin/scripts/setup.php HTTP/1.1" 404 403 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:57 "GET /phpmyadmin/scripts/setup.php HTTP/1.1" 404 404 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:57 "GET /pma/scripts/setup.php HTTP/1.1" 404 399 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:58 "GET /scripts/setup.php HTTP/1.1" 404 397 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:58 "GET /sqlweb/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:59 "GET /web/phpMyAdmin/scripts/setup.php HTTP/1.1" 404 408 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:38:59 "GET /web/phpmyadmin/scripts/setup.php HTTP/1.1" 404 408 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:39:00 "GET /web/scripts/setup.php HTTP/1.1" 404 400 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:39:01 "GET /webadmin/scripts/setup.php HTTP/1.1" 404 403 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:39:01 "GET /webdb/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" 118.219.234.254 - - [19/Oct/2010:05:39:02 "GET /websql/scripts/setup.php HTTP/1.1" 404 401 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)" I have 2 questions 1) When such an attack happens on my site then while such scanning is going on how do I detect it? (In a very less time) 2)I have decided to rate limit the IPTABLES so as to reduce such DOS attacks by some script kiddies (to scan for vulnerabilities in phpmyadmin or some other script) to some extent.So how much should it be limited so that genuine users do not get kicked out.What is the best practise for question 2?

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  • Programmatic resource monitoring per process in Linux

    - by tuxx
    Hi, I want to know if there is an efficient solution to monitor a process resource consumption (cpu, memory, network bandwidth) in Linux. I want to write a daemon in C++ that does this monitoring for some given PIDs. From what I know, the classic solution is to periodically read the information from /proc, but this doesn't seem the most efficient way (it involves many system calls). For example to monitor the memory usage every second for 50 processes, I have to open, read and close 50 files (that means 150 system calls) every second from /proc. Not to mention the parsing involved when reading these files. Another problem is the network bandwidth consumption: this cannot be easily computed for each process I want to monitor. The solution adopted by NetHogs involves a pretty high overhead in my opinion: it captures and analyzes every packet using libpcap, then for each packet the local port is determined and searched in /proc to find the corresponding process. Do you know if there are more efficient alternatives to these methods presented or any libraries that deal with this problems?

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