Read Mysql SHOW INNODB STATUS;

http://www.mysqlperformanceblog.com/2006/07/17/show-innodb-status-walk-through/

dnsbl

http://www.dnsbl.info/dnsbl-database-check.php

Mysql performance & query cache

http://dev.mysql.com/tech-resources/articles/mysql-query-cache.html

http://blogs.sun.com/luojiach/entry/mysql_innodb_performance_tuning_for

Гласът на мъжа – индикатор на неговата сила и агресия

http://www.dnes.bg//technology/2010/06/16/glasyt-na-myja-indikator-na-negovata-sila.92863

LPI free tests

Test for Linux Professional Institute Certification
http://www.itexampractice.org/

Apache mod_qos

Great Apache module
http://mod-qos.sourceforge.net/

http://mpetrov.net/kak-da-zashtitim-apache-ot-schupvane-prichineno-ot-slowloris

http://www.system-linux.eu/index.php?post/2009/11/29/Installation-et-Configuration-de-mod_qos

vsftpd chrooting, allowing shared directories

http://www.saiweb.co.uk/security/vsftpd-chrooting-without-the-headache-allowing-shared-directories

local_umask=011

http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/en-US/Reference_Guide/s2-ftp-vsftpd-start-multi.html

Теория на счупения прозорец

http://www.capital.bg/biznes/tehnologii_i_nauka/2008/11/28/590696_prokliatieto_na_mrusniia_grad/

Using ramfs and tmpfs

http://www.linux-mag.com/cache/7689/1.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%253A+LinuxMagazine+%2528Linux+Magazine%253A+Top+Stories%2529