NICs and ifconfig

NIC drivers are one of the most important types of kernel modules (more information about modules). Generally these autoload at boot.   Did Linux find your NIC? dmesg | grep eth lists boot messages involving your NIC.   Basic ifconfig syntax ifconfig <interface> gives you the basic information on your first NIC (interface). If you …

Networking Basics

An intranet is a Local Area Network: a LAN. The Internet is a Wide Area Network: a WAN. Otherwise there is little difference.   Client/Server Architecture There are physical Servers and Clients: a server computer, a client computer. And there are “virtual” Servers and Clients: a server application (like a web server) a client application …

yum.conf Examples

A default yum.conf file:   [main]cachedir=/var/cache/yumdebuglevel=2logfile=/var/log/yum.logpkgpolicy=newestdistroverpkg=redhat-releasetolerant=1exactarch=1retries=20[base]name=Fedora Core $releasever – $basearch – Basebaseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$releasever/$basearch/os/[updates-released]name=Fedora Core $releasever – $basearch – Released Updatesbaseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/$releasever/$basearch/#[updates-testing]#name=Fedora Core $releasever – $basearch – Unreleased Updates#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/testing/$releasever/$basearch/#[development]#name=Fedora Core $releasever – Development Tree#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/development/$basearch/   An updated yum.conf:   [main]cachedir=/var/cache/yumdebuglevel=2logfile=/var/log/yum.logpkgpolicy=newestdistroverpkg=redhat-releasetolerant=1exactarch=1retries=20[base]name=Kernel.org Fedora Core Mirror $releasever – $basearch – Basebaseurl=http://mirrors.kernel.org/fedora/core/2/$basearch/os[updates-released]name=Fedora Core Mirror $releasever – $basearch – Released Updatesbaseurl=http://mirrors.kernel.org/fedora/core/updates/2/$basearch[dag]name=DAG RPM Repository …

Installation

About Installation In General   There have been many installers in Linux history, but the details are generally the same no matter what distribution you choose. One of the most common installers is the anaconda tool created by Red Hat, and used in other distributions including the Debian-based Progeny distro. SUSE includes package installation management …

Linux II : Supporting Linux Workstations

Linux II : Supporting Linux Workstations UNM Continuing Education Course Instructor: Glenn Norman Text: Objectives An advanced understanding of Linux workstation functionality Familiarity with support, maintenance and deployment of Linux workstations Continued preparation for the CompTIA Linux+ Certification Exam