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  • Restrict Overriding memory_limit in php.ini

    - by Rohit Batra
    We have a issue that just came to our notice, some of our developers used ini_set('memory_limit', -1) to over-ride the php.ini memory_limit settings in their code files. Due to which sometimes our Memory/CPU usage is way far more than usual and we even have experienced server hanging/crashing many times. Is there any way to restrict these changes for certain params like memory_limit, upload_max_filesize & post_max_size? Users should not be able to edit them after a certain limit set? Sorry if i asked a dumb question, tried searching but there was no reference to this only found answers asking for increasing these parameters.

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  • OpenSCAD keeps crashing when I raise my precision past $fn=29?

    - by Jeremy Quick
    Out of the blue, OpenSCAD decided to stop working for me on designs that previously rendered just fine. After playing around I found out that any time I use a precision greater than $fn=29 the program crashes with the message "openscad.exe has stopped working". I can use any precision 29 and below, but the second I adjust it to even 30 the program crashes. This is a major problem as before I was using a precision of 100, and without it the design's moving parts do not work on print. I have uninstalled and reinstalled the program several times and haven't been able to fix the problem. I have watched the CPU during the calculations and it never reaches more than 35%. Does anyone have any suggestions as to how to fix this problem? I also have not changed computers or even the code. Thanks! I am using Windows 32 bit, Version 2013.06. The default version from the website.

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  • BSOD constantly with same ntoskrnl.exe error and disk indicator is frozen

    - by Sheep
    BSOD constantly and the disk indicator is frozen. Error do not happen immediately, usually an hour after boot up. Here is the Minidump: Bug Check Code = 0x00000124 Caused By Driver = ntoskrnl.exe Caused By Address = ntoskrnl.exe+4b094c Crash Address = ntoskrnl.exe+4b094c Seems to be hardware problem, but I checked RAM, no error. I have two HDs installed, system is on SSD, data is on HDD. Checked SSD with the properties-tools-error-checking , no error. Re-installed several times, still happens even after removed HDD. Configuration: SSD: Crucial M4-CT064M4SSD2 with Firmware 0009 Intel HM65 CPU: i7-2630QM The SSD is set correctly, SATA III 6Gb/s enabled, and everything worked perfectly for nearly a year.

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  • Concerns about a Dedicated (Windows Server 2008) + DDoS

    - by TheKillerDev
    I am have today a dedicated server with these specs: Intel Core i5 750, 2x120GB (ssd + raid), Windows Server 2008 Web, 200Mbps Network, 24 Gb DD3 And I would like to know what are the best thing I can do to prevent a DDoS Attack, since I know this will be a real threat by the importance of the files that will be archived in it. Today I have apache listening port 80 and RDC listening port 3389. But the security is beeing made only by Windows Firewall. So, any thoughts on what would be good to prevent from DDoS attacks?

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  • Is the 4pin atx power plug required [closed]

    - by rockinthesixstring
    I know the answer is probably a resounding YES, but I just wanted to double check. I just purchased a new chassis for my PC and now my 4pin cpu power plug doesn't reach. I'm wondering if the 4 pins are required for operation, or can I get by for the weekend without it until I can go get an extension? EDIT: Looks like it is mandatory with my Mobo. I tried to post without it and i just got a blank screen. Looks like I'm getting a new adapter asap.

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  • How to lock the c prompt?

    - by allindal
    Is there anyway to lock the command prompt? I need my computer to require a password to use the command prompt. I lock the workstation occasionally but sometimes I forget and if I could just prevent my roommate from doing the "c: net user user *" to change my password it would be great. I do not want to have to use the rundll.32 user command with script to automatically lock the computer. Just a way to lock the c prompt. Sorry for not saying this earlier, I'm running a vista 32bit Asus gene II motherboard with a core i7 CPU

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  • Connect Lenovo Thinkpad Edge e120 to WQHD display (such as Dell U2711) through HDMI

    - by Fulvio
    On paper, the HDMI version of the Lenovo Thinkpad Edge e120 is 1.3, which supports WQHD. Does it actually work? I want to connect the e120 to a WQHD display, such as the Dell U2711 or an Apple Cinema Display. I run Windows 7 Ultimate and latest drivers. The e120 I think has the Intel HD Graphics 3000 onboard chipset. I don't have the chance to test out the e120 with neither of these displays, so I'm seeking for an opinion from those who have tried. Thank you

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  • httpd service keep restarting. after 15-20 mins

    - by niraj
    I have recently purchased Dedicated Server which has 16bg ram and 1TB Harddisk. It has Cpanel and for firewall CSF Installd. I am mainly going to install it for File hosting service. Now the day i moved my httpd service keep restarting every 15-20 mins. It becomes unresponsive after that so have to manually restart it. My httpd settings are Start Servers = 5 Minimum Spare Servers = 5 Maximum Spare Servers = 10 Server Limit = 20000 Max Clients = 10000 Max Requests Per Child = 10000 Keep-Alive = On Keep-Alive Timeout = 5 Max Keep-Alive Requests = Unlimited Timeout 300 TOP is top - 14:53:41 up 1 day, 23:39, 2 users, load average: 0.10, 0.14, 0.09 Tasks: 1563 total, 1 running, 1562 sleeping, 0 stopped, 0 zombie Cpu(s): 0.7%us, 0.6%sy, 0.0%ni, 98.1%id, 0.2%wa, 0.0%hi, 0.5%si, 0.0%st Mem: 16303780k total, 16142048k used, 161732k free, 135264k buffers Swap: 8224760k total, 868k used, 8223892k free, 14136616k cached Please help me in this its keep happning.

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  • graph performance monitor windows and linux

    - by Patrik
    We are using Munin to get graphs of our servers. (such as CPU load, I/O, available disk space, etc. ) Munin gives us last 24h, last 7 days, last month and last year. The good thing with Munin is that it supports all kinds of clients, such as Windows, Linux and switches because it can monitor over SNMP. However, we have a problem with the Munin client for Windows. Since we upgraded to Windows Server 2008 R2 it won't show graphs for some performance counters. What options are there out there? Both free and commercial.

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  • Set up a root server using Ubuntu and Virtualization

    - by Daniel Völkerts
    Hello, I'd like to setup a fresh root server and install a linux based virtualization on it. My thoughts are on: Intel VTs Hardware Ubuntu 9.10 KVM based virt. The access to the root server will only be SSH for Administration. Has anybody done this before, what was your glues discovered in the daily use? My requirements are: very secure, so the root server only has ssh to the dom-0 and minimalistic ports for the guest (e.g. http/s). good monitoring of host/guest (my idea is to using zabbix for it) easy and fast administration (how are the command line tools working for you? cryptiv? high learning curve?) I'm pleased to learn from your suggestions. Regards, Daniel Völkerts

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  • Why does my wifi fail to stay connected?

    - by Mark0978
    We have 5 different laptops in the house, 1 macbook, 1 Compaq, 3 dells, plus numerous little devices like ipods, squeezeboxs, squeezebox radios and controllers, you name it. All of them connect to and stay connected to the "downstairs" WIFI just fine. But my laptop (the most expensive of the lot) refuses to stay connected, preferring the much weaker and slower signal upstairs. My laptop is running Win7 (64 bit) Ultimate with an Intel 3945ABG WIFI contoller (It's a Dell Precision M6300). The WIFI Access Point is a Cisco WRT54G2 V1 with firmware: Firmware: DD-WRT v24-sp2 (10/10/09) micro Time: 11:11:10 up 42 min, load average: 0.06, 0.01, 0.00 WAN: Disabled

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  • How do I log file system read/writes by filename in Linux?

    - by Casey
    I'm looking for a simple method that will log file system operations. It should display the name of the file being accessed or modified. I'm familiar with powertop, and it appears this works to an extent, in so much that it show the user files that were written to. Is there any other utilities that support this feature. Some of my findings: powertop: best for write access logging, but more focused on CPU activity iotop: shows real time disk access by process, but not file name lsof: shows the open files per process, but not real time file access iostat: shows the real time I/O performance of disk/arrays but does not indicate file or process

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  • How to upgrade OS on Mac Mini with external USB Drive?

    - by David
    We have a G4 Mac Mini, circa 2005, running Mac OS X 10.4 Tiger, and we want to upgrade to 10.5 Leopard. We have a Leopard install disk, but the optical drive in this mini is broken. So we transferred the install disk image to a USB HDD, but now we can't figure out how to boot off it. From what I've read in Mac forums, some PPC Macs, including some G4's, have been able to boot from USB, even though it sounds like this wasn't officially supported, and it may well depend on the specific model of USB drive and Mac. My Mac says CPU is "PowerPC G4 (1.2)" and Boot ROM is "4.8.9f4". I was hoping I might just find somebody here who had that same Mac Mini and find out if they could make it work. I'd especially like to know any specifics about the USB drive they found success with. Any insights at all would be appreciated. Thanks.

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  • failure daemon and changing pid number

    - by Alessandra Bilardi
    proftpd, sshd and apache processes run with /etc/init.d/its-script on linux distro. I was monitoring 21, 22 and 80 ports with farm monitoring service: every 5 minutes service check each port and notify only failure. The failures were 5-6 times on 24h. It seems that someone kicks the switch sometimes.. I add monit and collectd monitoring and the monitoring about 21, 22 and 80 ports is every 1 minute. I do not receive farm monitoring service notify. I receive only monit notify about failure and/or succeed/changing pid number of proftpd, sshd or apache process. The failures are still 5-6 times on 24h. collectd monitoing about cpu, load average and each process is regular and there are no peaks. There is nothing kicks the switch but there is something which determines failure monitoring. is it a simple interference or is it indicative of some abnormality? What could cause these failures?

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  • CLI-Based monitoring tool for KVM

    - by Pinnacle
    I am developing a scheduler for running VMs on KVM. The scheduling has over-commitment of resources like memory and CPU. For this, I need a CLI-based monitoring tool that keeps me giving information about the resource usage of each VM, because it might be the case that due to over-provisioning of resources, VMs on a particular host are running very slowly depending on the benchmarks/programs each VM is running, and then I need to migrate a VM to another host and so on. I looked into libvirt-based tools like collects, MUNIN, Nagios-vert, etc.( http://libvirt.org/apps.html#monitoring ) I also looked into Ubuntu utility perf-kvm ( http://manpages.ubuntu.com/manpages/maverick/man1/perf-kvm.1.html ) I want to ask which CLI-based would be recommended by the community so that I can make a automated scheduler that takes care of the above situation.

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  • Strange noise from my laptop when it is closed

    - by gotqn
    I am fan of powerfull PCs with huge wide screen monitors but I have bought an laptop as gift to my parents. This is the description: "second-handed" lenovo (and there is a sign "ThinkPad" Intel Core Duo CPU T6570 2.10 GHz 64 bits Windows 7 Ultimate and the issue is that when the laptop is turn on and then closed, after a interval of time (I am not sure how much exactly but I believe it is several hours) a strange noise come from the laptop. The noise is something like a "start-up" noise of old computers. I first thought this is some hardware issue but everything seems to work fine. Has anyone an idea what can cause this type of noise or a what can I do in order to track the problem down? I am not sure if this is a important thing, but the laptop is always connected to the power. Note: I have just noticed that the sound is generated again when the laptop is closed and then opened. Note: This is link to the audio - http://yourlisten.com/channel/content/16934332/WindowsStrangeNoise

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  • Which Power supply I should buy

    - by arayman
    I am going to buy a new PSU of CORSAIR for my IBM thinkcentre desktop. My previous original PSU was of 230 watts. I have not added any hardware in the CPU. It's in same condition as it was when I bought. On that basis, please suggest which power supply of Corsair and of how many watts will be suitable for me to buy, after referring to the under given weblink. http://www.corsair.com/en/power-supply-units.html Thanks.

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  • Internet Explorer background-color hover problem

    - by danilo
    I have a strange Problem with table formating using IE 7. My table looks like this: In IE, when using border-collapse, the borders don't get displayed correctly. That's why I used this fix: .table-vmlist td { border-top: 1px solid black; } td.col-vm-status, tr.row-details td { border-left: 1px solid black; } td.col-vm-rdp, tr.row-details td { border-right: 1px solid black; } .table-vmlist { border-bottom: 1px solid black;} When hovering over the row, it gets highlighted with CSS: .table-vmlist tr.row-vm { background-color: #A4C3EF; } .table-vmlist tr.row-vm:hover { background-color: #91BAEF; } Now, in IE 7, when moving the mouse from the top to the bottom of the list, every row gets highlighted correctly and no problems happen. But if I move my mouse pointer from the bottom of the list to the top, every second row seems to loose the border. Can someone explain what the problem is, and how to solve it? This is my markup: <tr class="row-vm"> <td class="col-vm-status status-1"><img title="Host Down" alt="Down" src="/Technik/vm-management/img/hoststatus_1.png"></td> <td class="col-vm-name">V1-VM-1</td> <td class="col-vm-stati"> <img title="Ping" alt="Ping status" src="/Technik/vm-management/img/servicestatus_3.png"> <img title="CPU" alt="CPU status" src="/Technik/vm-management/img/servicestatus_3.png"> <img title="RAM" alt="RAM status" src="/Technik/vm-management/img/servicestatus_3.png"> <img title="C:\ Diskspace" alt="Disk space status" src="/Technik/vm-management/img/servicestatus_3.png"> </td> <td class="col-vm-owner">kus</td> <td class="col-vm-purpose">Citrix Testserver</td> <td class="col-vm-ip">-</td> <td class="col-vm-uptime">-</td> <td class="col-vm-rdp">&nbsp;</td> </tr> And the CSS: /* VM-Tabelle formatieren */ .table-vmlist { border-collapse: collapse; } .table-vmlist tr { border: 1px solid black; } .table-vmlist tr.row-header { border: none; } .table-vmlist tr.row-vm { background-color: #A4C3EF; } .table-vmlist tr.row-vm:hover { background-color: #91BAEF; } .table-vmlist th { text-align: left; } .table-vmlist td { } .table-vmlist th, table td { padding: 2px 0px; } /* Spaltenbreite der VM-Tabelle festlegen */ .table-vmlist #col-status { width: 25px; } .table-vmlist #col-stati { width: 90px; } .table-vmlist #col-owner { width: 90px; } .table-vmlist #col-ip { width: 100px; } .table-vmlist #col-uptime { width: 70px; } .table-vmlist #col-rdp { width: 25px; } .table-vmlist tr.row-details td { padding: 0px 10px; } /* Kein Rahmen um verlinkte Bilder */ a img { border-width: 0px; } /* Für Einschaltknopf Hand-Cursor anstatt normalen Pfeil anzeigen */ td.status-1 img { cursor: pointer; } img.ajax-loader { margin-left: 2px; } IE fix: .table-vmlist td { border-top: 1px solid black; } td.col-vm-status, tr.row-details td { border-left: 1px solid black; } td.col-vm-rdp, tr.row-details td { border-right: 1px solid black; } .table-vmlist { border-bottom: 1px solid black;}

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  • Running Android emulator inside a Virtualbox Vm

    - by sgargan
    I'm trying to setup a VM with a complete android development stack (SDK, Platforms, Eclipse etc) for a Hackathon. I'm having real trouble getting the emulator to start in the VM. I realize that the emulator is essentially a VM itself inside the Vbox VM and so is going to be slow, but it just hangs at the Android splash screen and never gets any further. Might there be something going on with the VM that is causing it to run so very slowly? Is there anything I can do to give the VM more CPU? I've tried setting the execution cap to 100% but it didn't help any. Anyone know what might be going on here, or have any ideas about how I might speed it up? Thanks Steve.

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  • Calculating RAM Performance? Example: DDR3-2133 CL9-11-10-28 1.65V vs DDR3-1600 CL10-10-10-30 1.5V

    - by user1131467
    How do you calculate the relative performance of PC RAM? For example, what is the relative performance of the following: G.Skill Ripjaws Z 8 x 4GB Kit, DDR3-2133, [email protected] G.Skill Ripjaws Z 4 x 8GB Kit, DDR3-1600, [email protected] If it's relevant, when they are used in a top of the line ASUS Rampage IV Extreme motherboard and Intel i7 3960X? By performance, I mean relative: read latency write latency read bandwidth write bandwidth Please include working. (I mean how did you arrive at the figures based on timing and DDR3-speed)

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  • PC is very slow

    - by Appoos
    Hi All, My Windows XP system is very slow. I tried all possible ways of improving the performance. But now luck. I've 4GB RAM and AMD Phenon XII B53 processor. I don't see any applications consuming CPU resources. But the Page File usage is 4.18 GB(System Managed size in MyComputerPropertiesPeformance). There is enough RAM available, but still why OS is using Page File? How can I improve the Page File usage? Please help me.

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  • Is an eee-pc with an Atom N550 dual core OK for Rails 3 development?

    - by dan
    I'm buying an Asus eee-pc 1015PEM and hope to do test-driven Rails 3 development on it. Is the CPU fast enough or too painfully slow for this? I plan on installing Ubuntu. I currently develop on a 11 inch Macbook Air 2010 model. It works fine as a Rails development machine. But for some reason I'm drawn to developing on a cheap little netbook. I don't use any IDE's, and my development workflow is mostly switching between Vim, Gnu Screen, and bash.

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  • linux recommendations for older pc

    - by jdamae
    Hi, I'm new to Linux and I am interested in installing the OS on an older computer I have. I want to setup a webserver and install php, perl. My pc is an older HP Pavillion a255c, Intel Pentium 4 with 512ram. I will probably add some more memory later. This pc is more like a sandbox than anything, but would like to get quickly started with the OS. Is there a particular flavor of linux I would need to download based on my older computer? Any recommendations? I was thinking about Ubuntu but not sure what version to go with. Thanks for your help.

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  • attach two hdds to a computer having 500W smps

    - by Gaurav Sharma
    I have a desktop system installed with a 250 GB hdd (seagate sata II) this system is having a power supply of 500W (not sure if it is 650W but not more than that) the power supply is a local brand. Will it be safe to attach a second 250 GB sata II hdd on the same system. Safe in the sense that the system may not fall short of power at any time. My system's config is as follows Core2Duo processor Mercury cabinet having an additional fan (small one) sata dvd writer 52X windows xp sp 2 ASUS motherboard (intel G965 express chipset) If the above specified power supply is not sufficient for above configuration of system then please suggest the appropriate power supply (including watts)

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  • Does CPIO produce platform dependant archives?

    - by TiCL
    I made a CPIO archive with following command on Solaris 11 (SPARC): find . | cpio -ov >/tmp/myarchive.cpio I copied it to Intel based Solaris 11 machine and tried to extract using the following command cpio -icvdu < myarchive.cpio It gives me following error: cpio: Not a cpio file, bad header. 1 errors The MD5SUM hash matches and I can extract it on another SPARC machine. My question, does CPIO produce platform dependant output? Is there any way to convert it? I cannot use TAR at this moment, because the directory I am archiving has long symbolic links that are skipped by TAR command

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