How to free a lot of memory and drop caches
In my Web Analytics company, I occasionally had problems with Linux servers, because they tended to cache a lot…
The Spamhaus Project
I have nothing but the utmost respect for the Spamhaus project. What is Spamhaus? For those who don’t…
Secure your Apache Configuration and IPTables: Blacklists
20 ways to Secure your Apache Configuration This is a pretty good basic/intermediate Howto written by Pete Freitag, who …
How to format external USB Drive to Fat 32
When I purchased my first external USB drive, I wanted immediately to add it to my Linux system. …
How to set up Squirrelmail (Webmail) and configure Sendmail
Ok, so you installed and set up Sendmail and Dovecot and they are working in sync without any…
Dovecot’s Miracle and Do You Wanna… Samba?
Miracle software with a simple name Dovecot Over the years I used Dovecot as a companion for Sendmail.…
Linux commands, Bind Configuration and Free DNS Tools
Linux Commands If you need to find out quickly what a certain Linux/Unix command means, this manual comes really hand.…
Identifying SSL Certificate Algorithm using nmap and openssl command
SSL certificate signature algorithm can be identified using nmap or openssl command. Here are the steps to identify…
Disabling TLS 1.0 on Apache Linux Server
TLS 1.0 is end of life on June 30, 2018. To disable TLS 1.0 on Apache webserver installations,…
NetApp performance monitoring : sysstat – Part I
NetApp performance monitoring
