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Compile Apache for best performance!

Compile Apache on CentOS to perform better, with customization like http/2

Find out how

Travel experiences shared

We share some of our travel experience, advices and worth to see sightseeings

Know More

Tips and tricks for Mail services

Hints for mail services, mostly around the best known - Postfix, and some less known anti spam measures introduced for free

Find out which ones

Need server assistance?

As a system engineer in the server maintenance business World wide for over 15 years, currently working as a home office, I can offer reliable innovative custom server builds (Linux based), speed and/or high traffic server optimization, security and server audits for affordable price, and further support. I can take wire transfer or Paypal payment with my business account, and I will issue an invoice for every work billed.

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12Nov/14

Centos VLAN trunking

November 12, 2014Firewall/gatewaycentos, trunk, VLANpityu

Centos can accept and easily handle VLAN trunks just as same as doing Access mode. Let’s suppose that you have a WAN interface in access mode (so to say, it’s a plainRead More…

20Oct/14

Apache – install a complete web server with SSL

October 20, 2014Linux servicesapache, apc, http, https, perl, php, rubypityu

This article will describe how to install Apache on Centos 6.5 and set it up for basic web services, insluding php (with apc), perl, cgi and ruby scripting. Let’s install the pacgagesRead More…

One comment so far
07Oct/14

Install OpenVPN on Centos 6.5 (routing mode)

October 7, 2014Linux servicescentos, openvpnpityu

This article will explain how to install OpenVPN on Centos 6.5 (x64) on routing mode. Why routing mode? Well, it consumes less bandwidth than the bridging mode (some call this smaller overhead),Read More…

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07Oct/14

Blocking torrent with iptables (or any other P2P)

October 7, 2014Firewall/gatewayblock, iptables, torrentpityu

Nowadays, iptables support a so called Layer 7 filtering, which makes things signifficantly easier and more effective whem it comes to blocking torrent with a help of iptablesm or just filtering thoseRead More…

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07Oct/14

Blocking facebook with iptables (https too)

October 7, 2014Firewall/gatewayblock, facebook, https, iptablespityu

Some routers can block Facebook (or any other page) with an URL keyword. Yet, this becomes a problem when the page reverts to a secure connection (https). Lately, iptables supports so calledRead More…

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23Sep/14

Santorini – public transportation explained

September 23, 2014Tourismbus, public, santorini, schedulepityu

It’s very easy to get around in Santorini. There is an efficient and quite simple public solution. So, the facts are: – there is no direct interconnection between the “small” cities (Oia,Read More…

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25Aug/14

Install OpenDKIM with Postfix on CentOS

August 25, 2014Mail and anstispamcentos, opendkim, postfix, sign mailpityu

OpenDKIM will give Your mail a signature that will eventually lower the spam score of the mail comming from your domain. This will help signifficantly to exclude these mails from being considered as spamRead More…

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20Aug/14

Amavis-new – bad-header checks tweaking

August 20, 2014Mail and anstispamamavis bad header, bad header checks, Blocked BAD-HEADER-0, missing required header fieldpityu

During the processing of the emails Amavis-new conducts a series of tests, including so called bad-header checks which usually give a headache to system engineers because of false detections (most commonly aRead More…

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11Aug/14

Networking in Centos 7 minimal installation

August 11, 2014Linux servicespityu

Installing Centos 7 with a minimal install option will leave you in a funny situation, where no “net-tools” package is installed, so (as far as I can tell) you can’t bring upRead More…

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07Aug/14

Persistent routes in Centos

August 7, 2014Firewall/gatewaypityu

Persistent route (static, but not a default route) Say, you have route like this: route add -net 192.168.210.0/24 192.168.1.3 dev eth1 And you want to make it persistent (and oviously static)  –Read More…

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