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Sergiy Khohlov
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  debian,  amavis,  virus inside archive   One my client asked informed me, that amavis skips some files types. mail server configuration is really simple: Postfix as SMTP server and  amavis working as context filter. Also amavis runs spamassasin and clamd ...
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My new home server (fight with noise and temperature monitoring)
Hardware I've got another new PC for home purpose and decided to make a home server for my sysadmin and programming tasks.  Also, my old PC  is based on AMD 6-cores phenom and six cores is a good value for virtualization. Are you ready to have a cloud at ho...
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Update grub using dracut
Fixing grub using dracut Last kernel update was not successful to me. Centos can not boot with next messages:  [ 180.098802] dracut-initqueue[376]: Warning: dracut-initqueue timeout - starting timeout scripts [ 180.610167] dracut-initqueue[376]: Warning: ...
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Postgresql partituoning (few simple steps)
History I created a simple application for logistic purpose based on Django, PostgresSQL, and Postgis.  This is a service receiving a position of a truck and place it on the map. Service is really simple and uses a virtual machine with small performance.  T...
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Upgrade postgres 9.4 to 9.6 at Debian linux
I'm using virtual server based on Debian Linux for some my free projects.  One of them is based on Postgres with PostGIS extension.   This windy rainy day is a good time for executing some upgrade. Also I would like to add partman extension for partituoning...
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checking host hardware using linux kernel
How to collect information about  host without trivial system command   I'm using a lot of hardware boxes with no limit on distro types and versions.  In this case using system command such as ifconfig has a limited usage.  Also,  system config files have a...
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Postfix can not start via systemd (simple fix)
Solving problem related to systemd process I like postfix.   This is really smart and secure mail server. I'm helping above  dozen clients around the world and  tunning  postfix is really fun task. This morning I was downgrading postfix  to the stable versi...
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Another one MySQL monitor
Detecting MySQL loading I've seen strange and randomize increasing  of the  MySQL db loading but mytop did not help to sorted out with this issue. I'm not Mike Tyson and my reaction is more slow then CPU. If I don't catch this dynamically I will catch this ...
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Sending request using request library
Using request library for Pirates  Few years ago using urllib2 was a simplest way for sending and receiving  HTTP Request. But now I'm using  Request library . This  is more simple and powerful. Unfortunately Request is not include in default install and Pi...
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Starting python programming
Programming is easy. Really easy. Many years ago programming requires good skills in hardware and software. "How computers works" was really important question 30 years ago. Cracking Enigma computer or first computer at a nuclear submarine were more simple...
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