Servers And Services:
Apache, Lighttpd,Nginx and Tomcat expert-level fluency configuring and installing Apache in ISP environment, SSL management, Creating virtual servers, performance tuning, installation streaming for mass number of domains. Installation of web report software. Load balancing and clustering.
MySQL, PgSQL administration,performance tuning, clustering, high availability and development.
Bind configurations , DNS clustering (Expert-level in datacenter environment)
vsftpd, Proftpd ,pure-ftpd (expert-level in ISP environment, creation of real and virtual FTP servers)
Exim, Sendmail, Postfix(high-intermediate level, spam and virus filtering, integration with SQL DBs)
Courier ,dovecot, cyrus-imap (expert-level, custom integration experience with SQL DBs)
Yum, apt server build and management.
Openssh server(Expert, build and configuration in Datacenters)
NFS, SAMBA cross-platform drive sharing among GNU/Linux,Unix and windows. NIS configurations.