It is a common question I get from other developers or admins, they try to protect their website with a passwrod, but whitelist (allow passwordless acces) from certain IPs, to avoid theRead More…
How to delist (remove) your server’s IP from Microsoft’s blacklist
Ever since I keep my personal mail server at a certain DC, it here and there gets listed with Microsoft with a message “Blocked due to user complaints or other evidence ofRead More…
Memcached with php7
Unfortunatelly, the old memcached module with php7 is officially no longer supported in favour of redis or some other cache, so one of the thing you can do about it if stillRead More…
Php 5.3 on CentOS 7 and on
Running Php 5.3 on CentOS 7 is still a popular subject that I didn’t manage to find many solutions for on the Internet. So, CentOS 6 runs php 5.3 natively, isn’t it?Read More…
Compile PHP7 on CentOS
This is a short tutorial on how to compile PHP7 from source on Centos 7. First, why not just install from some binary, like Remi? Simply, because some of the features areRead More…
Roundcube password plugin with Postfixadmin
If you want to set up the Roundcube password plugin on a mail system that is administered with Postfixadmin, you could be in a small trouble, because it’s not supported by default.Read More…
Apache with http/2 support on CentOS
HTTP/2 is finally officially adopted, and it brings significant improvements regarding server<-> client communication, making worth to try be amongst the first to have the service up. This is a relatively newRead More…
Determining Linux CPU load
In many cases, it’s inportant to determine the average load of the server, so one can decide if an expansion of resources is needed. The easyest way to determine CPU load inRead More…
phpList – Database error 1366 while doing query Incorrect integer
If you upgrade phplist or import an old database, it will most probably show an error message similar or exact to the one in the picture below. The issue is that thereRead More…
Postscreen
Postscreen is a handy feature of Postfix 2.9 and on, if you want to prevent degrading the performance of your server box with frequent external invalid requests. It actually implements a setRead More…