Author Archives: akamaras - Page 4

installing froxlor control panel with nginx on centos

While there are a lot of control control panels for apache, I believe this is the sole for nginx.

For this setup to work you should already have nginx, mysql and php installed and configured in your system.

 

 

 

fetch the latest version to your server

wget http://files.froxlor.org/releases/froxlor-latest.tar.gz

Read more »

The art of flight

new film coming up this fall with travis rice

hope you’ll enjoy the trailer as much as I did

Oh and lib tech rules ūüôā

 

 

32bit vs 64bit for a low end vps

low end vps are getting cheaper and cheaper nowadays and everybody with basic knowledge of Linux is preferring them over shared hosting. On a low end vps things are a bit more complicated than with high end ones, ram is precious. For every service needed for the vps, the first thing you think about is ram. What about the operating system architecture? Most of us are preferring 32bit versions for the operating system because we’ve heard that they are better at saving ram, but what is the difference?

is it a couple of MB? or hundrends of them?

In the following post i’m testing the¬† 32bit version of centos 5.5 against the 64bit to find out. I’ll be installing virtualmin GPL version for each architecture, with all services enabled at post installation wizard, except postgres. For this test i used a not so low end vps, it is an openvz with 512guaranteed/1024burstable ram

Read more »

russia blames google for the egyptian revolution

Russian deputy Prime Minister Igor Sechin said in an interview: “Look what they have done in Egypt, those highly-placed managers of Google, what manipulations of the energy of the people took place there.”

 

look what google has done to egypt, that poor guy was the president for only 30 years. How will he support his villas now?

 

Cmon people this is the 21st century we’re living in. it’s about time you realize that politicians are there to serve

setting up nfs behind firewall in centos

Setup nfs in your system then issue “rpcinfo -p” to check the used ports.

rpcinfo -p

You’ll see something like this

program vers proto   port
100000    2   tcp    111  portmapper
100000    2   udp    111  portmapper
100011    1   udp    875  rquotad
100011    2   udp    875  rquotad
100011    1   tcp    875  rquotad
100011    2   tcp    875  rquotad
100003    2   udp   2049  nfs
100003    3   udp   2049  nfs
100003    4   udp   2049  nfs
100021    1   udp  32769  nlockmgr
100021    3   udp  32769  nlockmgr
100021    4   udp  32769  nlockmgr
100021    1   tcp  32803  nlockmgr
100021    3   tcp  32803  nlockmgr
100021    4   tcp  32803  nlockmgr
100003    2   tcp   2049  nfs
100003    3   tcp   2049  nfs
100003    4   tcp   2049  nfs
100005    1   udp    892  mountd
100005    1   tcp    892  mountd
100005    2   udp    892  mountd
100005    2   tcp    892  mountd
100005    3   udp    892  mountd
100005    3   tcp    892  mountd

Read more »

uptime script

You want to be able to see the status of your server without logging in via ssh?

You can create a simple script to display the uptime and load of your server in 1 minute

create a new file eg. uptime.php and insert

<?=`uptime`?>

upload it to your webservers public directory, and you’re done

go to http://www.mydomain.com/uptime.php

and you’ll see

21:01:46 up 15 days, 2 min, 1 user, load average: 0.08, 0.06, 0.01

open source control panels

In the following post you’ll find the most popular open source and free (as in beer) control panels, there are other control panels but most of them are outdated and discontinued. I didn’t write my personal opinion about them, because I haven’t tested them all. Maybe in the near future I’ll write a review about them. enjoy…

Virtualmin

http://www.virtualmin.com licence:GPL

Virtualmin is a web hosting control panel for Linux and UNIX systems based on the Open Source web-based systems management GUI, Webmin.

There is also a paid version called virtualmin professional with extra features and support.

Support is provided by the active forums. Paid support is provided for paid edition only.

for an online demo of the professional edition visit:http://www.virtualmin.com/demo

Installation is done by an automated installer script.

Virtualmin installer supports :

CentOS 4 and 5 on i386 and x86_64
Debian 4.0 and 5.0 on i386 and amd64
Ubuntu 8.04 LTS and 10.04 LTS on i386 and amd64
Solaris and OpenSolaris 10 and 11

Read more »

securing asterisk

In the last couple of years voip pbx are under some serious attacks. This is mainly because of tools being published over the net. For example watch the following clip to see how easy it is even for a pc-newbie to attack unprotected systems

here are some things you can do to harden the security on your asterisk server

Read more »