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    AWS EC2 IP address issues

    Hi, Firstly, thanks for the quick reply! Now, I may sound a bit dumb, but because I'm not an expert linux admin (mostly rely on google), I want to confirm that 1. the only way to run a single EC2 instance cPanel setup on AWS with Nameservers installed inside the instance itself (like on a...
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    AWS EC2 IP address issues

    Hi, I'm using a trial cPanel license on an m4.large AWS EC2 instance. By default AWS allows one Elastic IP mapped to the server's internal IP. I have completed NAT validation upto Step 9 in this Howto: How to Build a Hosting Environment on Amazon AWS - cPanel Knowledge Base - cPanel...
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    Several / multiple virtualhosts for one cPanel user

    Hmm. This is a good tip. I will try this soon and post an update if it works. Thanks again for the fast reply. Regards, actived
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    Several / multiple virtualhosts for one cPanel user

    Firstly, thanks for the quick reply. Well: Now, if there is a solution in cPanel by which we can point all the add-on domain directories to a single directory, then I'm all ears. In which case, this would go to one of the pre/post template conf files, right? Regards, actived
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    Several / multiple virtualhosts for one cPanel user

    Hi, I have used cPanel/WHM very successfully for high-volume single-domain sites because I lack the expertise needed to secure a production linux box for a decent-sized business. Shared hosting obviously works well. But now I have a situation where I need one cPanel user to host 100-200...
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    cPanel Security

    we got this email too.
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    Do i need to upgrade my server

    Hi foilks, I have a single huge web application which now has a 5GB database, around 150 tables, with a few million rows in some of the bigger tables. We also run a testing branch of the web application which means another 5GB database and sometimes the load that goes with it. This setup runs...
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    Conditional logging in Apache using CustomLog and SetEnvIf

    I opened a ticket with cpanel and they quickly reverted with the answer: The code goes into Post VirtualHost Include via <IfModule mod_setenvif.c> SetEnvIf Remote_Addr "127\.0\.0\.1" localrequest </IfModule> <IfModule mod_log_config.c> LogFormat "%a|%t|%{Referer}i -> %U" referer LogFormat...
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    Varnish HTTP accellerator and Cpanel

    Hi, I've installed varnish manually on a standard (non-cpanel) linux box and it seems to work all right. Just want to confirm 2 things: 1. I have a Wordpress blog and an opensource e-commerce shopping cart with custom URL formats for SEO. So, do I need to write some VCL logic / regexes (fairly...
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    any standard recommendations for server configs? horizontal scaling?

    Hi, I would like to know if over the years cPanel users or cPanel staff have made a rough tabulation of what server configurations would be able to handle what kind of loads. Ours is single user, single web application site, not the standard shared hosting system which cPanel/WHM handles...
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    is our server being used to spam, how to fix

    Hi, I got several emails from csf+lfd like this yesterday. Time: Tue Nov 6 15:09:19 2012 +0800 Type: RELAY, Remote IP - 66.135.63.177 (US/United States/txserver1.geoestimator.com) Count: 101 emails relayed Blocked: No Sample of the first 10 emails: 2012-11-06 15:00:31...
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    Conditional logging in Apache using CustomLog and SetEnvIf

    Hi, I find my present default logging in Apache ("common" format) isnt upto my needs - I need to deduce / check / think out things rather than the info being easy for me to glean from it. So I went through google+docs and made up a few rules. I'm not sure where to put the directives...
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    To use multitail, is source install the best?

    Thanks for the reply. I have a general question about installing from source: let's continue with the multitail example. Once I install it - make, make install, etc., when CPanel updates the various packages which were used in building the multitail binary, like glibc, or "make" itself...
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    To use multitail, is source install the best?

    Hi, I found an excellent utility called "multitail" ( MultiTail ) and I don't know why it isnt in the base Centos repos! It seems if you want to get it from a repo, you have to add Dag Wieers' repo. This is probably not the preferred way for installing on a CPanel server, so the...
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    How to undo accidental yum update from command line

    [solved] Re: How to undo accidental yum update from command line No, I hadn't booted into the new kernel :) So it was a simple uninstall command to remove it: rpm -e --nodeps kernel-xen-2.6.18-308.13.1.el5 I've only ever used ubuntu until recently, so I thought it better to ask before doing...
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    How to undo accidental yum update from command line

    Thanks for the reply! Well actually, I'd like to get something clarified before doing something drastic: 1. Do I really need to uninstall the 308.13.1.el5 version considering that I already have 308.el5, 308.1.1.el5, 308.4.1.el5 as part of standard automatic updates? 2. If I do have to...
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    How to undo accidental yum update from command line

    Hi, well, duh, I accidentally copy-pasted a few yum commands that were supposed to run on my local centos machine, into an open root console on our cpanel server. (Stuff happens, as they say :( ) The resulting chaos, it seems, is limited to me having done the following: 1. added a repo...
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    Caching specifics - Xcache, mod_ruid2, and sqlite

    Thanks for the reply! This saves us the time testing the 3 opcode cache / accelerators and finding that they dont work.
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    Caching specifics - Xcache, mod_ruid2, and sqlite

    We use suPHP and it seems that no type of opcode caching works with suPHP. For better performance we are thinking of speeding up what we can (short of installing varnish and nginx which produce even more configuration complexity). So 3 questions: 1. Will Xcache work with suPHP ? 2...
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    APC or eAccelerator (with zend + ioncube enabled) Need advice.

    I have a related question - a subset actually: We use suPHP and from some past posts / threads I figured that suPHP simply does not support any opcode caching. Is that correct or is there a way of enabling PHP code caching in suPHP? We have Zend Optimizer installed and it was quite a...