Linux administration tools

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  • Turning on pam_tally.so

     

  • Enterprise redundancy using VRRP

    Get started using Virtual Router Redundancy Protocol (VRRP), a standard used in enterprise environments where routing redundancy is necessary for host stations. VRRP can provide additional availability to help reduce router failure on your Linux netw... 

  • Nagios Looking Glass: Getting started

    Nagios Looking Glass (NLG) allows users to access Nagios data on a Web server via an HTTP connection. Learn how to set up the NLG client-server model in this tip. 

  • Looking ahead to Nagios 3.0

    James Turnbull, author of "Pro Nagios 2.0," describes the new features in the upcoming Nagios 3.0 enterprise monitoring program. 

  • Managing events with Nagios Event Broker

    Use modules with Nagios Event Broker, a server event output and integration tool, for receiving events and executing code on them. In this tip, you'll learn how NEB functions, what modules are available and how to find other modules. 

  • RHEL4 administration tools: ifconfig, arp, tcpdump and iptraf

    Master network integration in your existing RHEL4 infrastructure with the use of command-line tools like ifconfig, arp, tcpdump and iptraf. 

  • Red Hat Enterprise Linux 5: All about Xen

    It's no secret that Red Hat Enterprise Linux 5 has Xen built in. But what some users might not understand is just how much of an impact paravirtualization will have on Linux in the data center. 

  • Virtualization on Linux

    Finding affordable virtualization products for Linux. 

  • Qpsmtpd: Configuration and plug-ins

    Qpsmtpd is a Perl-based smtpd daemon used for spam prevention. In the second part of this series, we will find out about different plugs-ins and how to configure qpsmtpd. 

  • OpenOffice Base: Converting data and files from Access

    Consider switching to OpenOffice's Base, an open source alternative to proprietary Microsoft Access. In this tip, an expert tells how to convert Access files to Base and discusses some helpful hints for working with Base.