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  1. #1

    Unhappy My LxAdmin Gives Memory Error

    My LxAdmin gives memory error at my server. It happens 10 - 15 times a day when all my websites show 500 Internal Server Error. Then i have to reboot my VPS and then problem solves but it happens again after sometime.
    Plz suggest me how to solve it ?
    I have 512MB Guaranted and 2GB Brustable Memory.

  2. #2
    Join Date
    Mar 2003
    Location
    New York City
    Posts
    7,406
    Which host is this VPS located on? Have you contacted them to troubleshoot it, as 500 error can be caused by a number of reasons.

    "500 Internal Server Error
    A generic error message, given when no more specific message is suitable."
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  3. #3
    how many site is hosted on the vps? and how busy the server was?

    it can be due to lack or resources
    HalfDedi.com • Half Dedicated Half Price
    We provide affordable VPS hosting solution Singapore datacenter

  4. #4
    Join Date
    Jun 2008
    Posts
    323
    apache or lighttpd? If apache choose lightly and mod your mysql config to reduce this error.

  5. #5
    Join Date
    Apr 2009
    Location
    ID
    Posts
    63
    Quote Originally Posted by bigks View Post
    apache or lighttpd? If apache choose lightly and mod your mysql config to reduce this error.
    No need to change to lighttpd, since LxAdmin use little RAM to work. Mine just use 60 MB of RAM uses with 12 domains.

  6. #6
    As i am new so cant use BB code tags, so i will not quote singal post i will reply respectively to all replies.

    @Cirtex : from fsckvps.com

    @ markhard: 3 sites, 2 vbulletin and one wrdpress.. with 50 - 60 users at once

    @bigks: i use apache, ca u tell me how to convert to lighttpd and mysql config ?

    @idcyber: yes same thing i am worried about

  7. #7
    I use lxadmin to. I use apache and change the php mod tu su_php. I have try use modphp and get same problem. lack of using my memory resource. so i change it to mod_suphp. you can see this at webserver config. If not you must change it to lighttpd.

    Thanks i hope this usefull

  8. #8
    Kinldy tell me in detail how to edit it ?

  9. #9
    Join Date
    Dec 2006
    Location
    Netherlands
    Posts
    1,435
    Quote Originally Posted by HostB0x View Post
    @ markhard: 3 sites, 2 vbulletin and one wrdpress.. with 50 - 60 users at once

    @bigks: i use apache, ca u tell me how to convert to lighttpd and mysql config ?
    60 users at once on your site and your on a VPS? Whats the specification of your server? That is a LOT of load on your server.

    In LxAdmin/Kloxo, there is a button on the home screen which directs to the page where you can change dns, mail and http servers. Its been a very long time since I have used LxAdmin, so can't remember the exact name of this Icon. May be some other forum member can help with this.

  10. #10
    i mean combining the whole sites, on all 3 total of 50- 60 users at a time.
    512MB guaranteed and 2Gb brustable
    Cent os 5 with kloxo

  11. #11
    First you go to on the left menu you can see Server : linux - switch program. If you want to change it the webserver, dns and spam filter... I choose Apache, bind and spamassassin.

    If you use Apache, you can go to Web & Mail & DB menu and go to weserver config. You can see mod_php and suphp. I choose suphp. It can reduce the memory use. But it use more CPU usage.

    If it use Lot of CPU Usage you can tweak it and you can read this post.

    webhostingtalk com showthread.php?t=468168
    just put dot com and "/" after com
    And point to MySQL Optimization and PHP & Apache Optimization

    Thats all

  12. #12
    Hi

    When try to open admin Lxadmin pane;
    https://IP:7777/ shows bellow error
    ''500 - Internal Server Error''
    can you pls help how to fixed this problem through hyiperVm
    500 - Internal Server Error

    I use ligthttp for apache.

    Please help me

  13. #13
    i solve this problem by rebooting my vps through putty

  14. #14
    I rebooting VPS for Several times but don't fix it problem.

  15. #15
    Do You have any firewall installed ?
    and how you reboot ?

  16. #16
    Firewall is no install. rebooting my vps by SSH.


    I Have used command: Reboot & shutdown -r now

  17. #17
    Join Date
    Sep 2008
    Location
    Melbourne
    Posts
    405
    Login to your VPS through SSH and type:

    #free -m

    Please come back and post the output.

  18. #18
    output command:

    total used free shared buffers cached
    Mem: 2000 154 1845 0 65 42
    -/+ buffers/cache: 46 1953
    Swap: 4095 0 4095

  19. #19
    total memory: 2000 MB
    Used Memory: 154 MB
    Free Memory: 1845 MB
    ----
    Total Swap: 4095
    Used Swap: 0

  20. #20
    Join Date
    Jun 2008
    Posts
    323
    what is the load averages of the VPS?

  21. #21
    load average: 10.18
    ------------
    Cpu0 : 1.3%us, 22.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 73.1%si,
    Cpu1 : 3.6%us, 38.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 52.5%si,

  22. #22
    Join Date
    Jun 2008
    Posts
    323
    There is your problem, something is going crazy on your box or it is just overloaded to begin with. You need an average of less than 4 to get rid of this error. I am actually shocked your host hasn't had an issue with your usage already......

    With the average of 10 can you post results of the top command here so we can see if mysql is eating up all resources.

  23. #23
    load average now 1.03 but Still gives error message(500 - Internal Server Error)
    What should I do ?

  24. #24
    Join Date
    Jun 2008
    Posts
    323
    reboot the machine when the load average drops to around 1 again and it should be ok. IF that doesn't work, switch to apache then back to lighttpd via ssh and it should work from there.

  25. #25
    yes lighttpd works, do try that, if you still get the same error, contact your host provider and ask them to increase CPU resources for you or some proper modifications for this.

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