Netexpertise

Dynamips and dynagen let you create a virtual Cisco router on a Linux box. It would be even better if that router was reachable from the LAN, wouldn’t it? Going further, that same router could lead us to another couple of virtual routers running in a lab.   Download and Installation Download dynamips and dynagen [...]

Tags: brctl, bridge, Cisco, debian, dynagen, dynamips, fedora, linux, redhat, router, tap, ubuntu, virtualization

WPA encryption is not much hassle to set up and is way more secure than WEP if you use a strong pre-shared key.   First off, we’ve got a wifi interface that can be displayed with iwconfig (from the wireless tools): [root@db ~]# iwconfig lo no wireless extensions. eth0 no wireless extensions. ath0 IEEE 802.11g [...]

Tags: debian, fedora, linux, pre-shared key, redhat, ubuntu, wifi, wireless, WPA, wpa_supplicant

Here’s a package managers basic commands quick reminder/comparative for (in this order) – Linux Debian/Ubuntu, – Linux Redhat/Suse and – Solaris/OpenSolaris.   rpm and dpkg are basic package managers while yum (rpm) and apt-get/aptitude (dpkg) manage dependancies and (online) repositories.   # List ALL installed packages dpkg –list rpm -qa | grep rpm pkginfo   [...]

Tags: apt-get, aptitude, debian, dpkg, linux, manager, package, redhat, rpm, solaris, suse, ubuntu