Small LAMP VPS For Primary DNS Server

May 21, 2009

Because of the security issues inherent in controlling DNS servers on other VPS/servers that run other processes, host websites and store mission-critical data and for other reasons related to control, we want to keep our DNS server separate from our other servers and our own desktops. Therefore, we're going to get a small VPS for this purpose.

We won't totally cheap out on this so we'll be getting a quality VPS from a good provider. But, we probably don't need more than 5 or 10G of HD space but we wonder how much RAM and bandwidth we need to run something like MyDNS with MyDNSConfig with a MySQL backend.

Also, what's the best Linux distro for this kind of thing? We use CentOS with facility but are not afraid to try a new one if it's a better choice for this purpose.

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Is 512 Enough RAM For A Small LAMP Setup

May 9, 2009

I'm setting up a VPS server on Slicehost, I've followed the guide on howtoforge for debian and have everything installed including ISPConfig3. Everything seems to work fine at the mo but when I check the memory usage, i see that I'm using around 490/500mb of my 512mb setup. Its a Xen setup so I understand this is real memory available but I'm not sure if this is enough.

I will ultimately be running around a dozen sites, some static and some dynamic. There's one Mambo and one Joomla site there but they don't update. The rest are all php/mysql sites that I've built myself but again, they don't change that much. None of the sites currently see more than a couple hundred uniques a day, and some only a handful, so usage is not high. Most of the domains have e-mail accounts attached, but its only moderate usage with around a dozen addys per domain max.

So, do I need more memory or will 512 be enough? Is there anything I can do to reduce the load and give myself some more room?

I'm moving from a shared hosting environment and while I'm comfortable setting up the server, I would rather have a simple mail manager that would give users more control over their accounts, change passwords etc, which I'm hoping ISPConfig3 will be able to help with, but thats probably best discussed in another post.

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Mar 21, 2008

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However i've come across a problem which i just can't seem to resolve (after pretty intensive searching). So, i guess this post is in 2 parts.

Firstly, the error i'm getting is with mysql only. The error message is:

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

I understand this may be a generic error but i'm not sure what other information would be useful.

Secondly, as this is my first web server - have I made the correct choice in terms of linix release or would something like CentOS be more suitable? I'd like to get this right from the start now that i have the chance.

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Dec 8, 2008

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Like I said, on a new server i already installed Lamp, forwarded ports 80, 22, 442 ....to correct LAN IP, and added an entry under apache2 sites-available like this:

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Than i connected a new domain to my main IP but it automaticly connects to the old server that is already running in my home network. So the question is what do i have to do, for my new server to run the webpages i want to? Do i have to add a specific command on old server or something else i forgot?

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Mar 1, 2015

I've just switched my Apache and PHP config over to linux(ubuntu 14.10).

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I'm running MariaDB 10.0.17

I'd like to reduce the time to first byte even more, its currently 80 ms for static files and 110ms for PHP generated pages.

1. 80 ms seems like a lot, since the ping to the server is <15ms

How can I reduce this? Are there some tweaks for the Linux networking stack or Apache that I can apply?

I'm also using SSL, I remember it could be tweaked to improve its performance but I don't remember how..

I currently enabled the following in my main apache config:

Code:
ServerSignature Off
ServerTokens Prod
TraceEnable off

EnableMMAP on
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I have the following three servers, which I'll call A, B, and C:

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Server B - Free subdomain service (similar to afraid.org but on a much smaller scale), using PowerDNS with a MySQL database backend, on Debian.

Server C - Backup DNS server for the cPanel web hosting server, using the free cPanel "DNS Only" on CentOS.

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I had this issue before and research said to redo the entire server (tried everything and was fed up had fedora then"

you can have a look at www.itgrunts.com just click create config file and the errror pops up.

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Requirements:
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Apr 9, 2009

All setup following various tutorials on lamp, but having issues trying to view site url.

here what i got via dig:-

; <<>> DiG 9.3.4-P1 <<>> mp3-dash.com ANY
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45634
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;mp3-dash.com. IN ANY

;; ANSWER SECTION:
mp3-dash.com. 14400 IN A 89.46.102.100
mp3-dash.com. 14400 IN SOA ns1.mp3-dash.com.mp3-dash.com. admin@mp3-dash.com. 2009040602 86400 7200 3600000 86400
mp3-dash.com. 14400 IN MX 0 website.com.
mp3-dash.com. 500 IN NS ns1.mp3-dash.com.
mp3-dash.com. 500 IN NS ns2.mp3-dash.com.

;; AUTHORITY SECTION:
mp3-dash.com. 500 IN NS ns2.mp3-dash.com.
mp3-dash.com. 500 IN NS ns1.mp3-dash.com.

;; Query time: 24 msec
;; SERVER: 69.42.208.19#53(69.42.208.19)
;; WHEN: Thu Apr 9 20:47:14 2009
;; MSG SIZE rcvd: 202

does that all look ok, i have even ran dns lookup

and here what i getting:-

Searching for mp3-dash.com. A record at G.ROOT-SERVERS.NET. [192.112.36.4] ...took 30 ms
Searching for mp3-dash.com. A record at F.GTLD-SERVERS.NET. [192.35.51.30] ...took 158 ms
Searching for mp3-dash.com. A record at ns2.mp3-dash.com. [89.46.102.75]
Query timed out (interrupted after 1,999 milliseconds)
Retrying...
Searching for mp3-dash.com. A record at ns1.mp3-dash.com. [89.46.102.74]
Query timed out (interrupted after 2,000 milliseconds)
Retrying...
Searching for mp3-dash.com. A record at ns2.mp3-dash.com. [89.46.102.75]
Query timed out (interrupted after 2,004 milliseconds)
Retrying...
Searching for mp3-dash.com. A record at ns1.mp3-dash.com. [89.46.102.74]
Query timed out (interrupted after 2,000 milliseconds)
None of the nameservers responded correctly.

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