Unix/Linux System Administration

Linguity has extensive experience with the installation, administration, troubleshooting and maintenance of a variety of Unix operating systems and system services.

We can help you install, compile, configure and optimize all the major Unix server system software and develop custom scripts to help ease those administrative pains.

Mail systems

Mail server configuration (Sendmail/Exim/Postfix)
Mailing list software (Majordomo / Mailman)
Antivirus scanning (ClamAV)
Mail access servers: POP3/IMAP (Dovecot)

Web servers

compilation and optimization
IP and Name based virtual hosting configuration
log configuration and user tracking optimizations
3rd party Apache module compilation and installation
statistics visualization systems

Security

general system security audits
PAM configuration and optimization
password hardening
SSL & SASL configuration and setup
firewall configuration (iptables)
file auditing (Tripwire)
'rootkit' scanners

Networking

multi-adapter network configuration
DHCP setup and configuration
proxy and 'captive portal' systems (NoCat)
network routing configuration
DNS/named setup and configuration

Database systems

database setup (MySQL/Postgres)

Distributed file systems

NFS/Samba configuration
FTP/rsync/Webdav setup

Shell scripting

PERL
BASH/CSH

In addition to Unix system administration services, we also offer services in web and desktop application development.