Archive for the tag 'ubuntu'

 

 

Mar 06 2021

Why Ansible Upgrades Packages on Hold and How to Fix it

Published by under Ansible

I was writing a new Ansible role to upgrade all of my VMs. I was still using an old Rancher that only works with docker-ce package up to version 18.06. A first task holds back the package with Ansible Dpkg module, as recommended on many websites.A second step runs a full upgrade of my system […]

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Dec 19 2009

Redhat/Ubuntu/Debian Bridge Interface Startup Scripts

Published by under Linux

All systems need bridge-utils package installed either with yum or apt-get.  Redhat / Fedora Edit each network interface startup file that is going to be added to the bridge  And create the bridge configuration file Ubuntu Debian

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Dec 14 2009

A Virtual Cisco Router on your Network

Published by under Cisco,Linux

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 […]

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Dec 09 2009

Atheros Wireless Interface on Linux Ubuntu

Published by under Linux

I was surprised ifconfig wouldn’t return an interface for my Atheros chipset based Netgear wireless card. Unlike Redhat, Madwifi does not seem to compile on Ubuntu, no matter what version is used. Kernel headers installed, I keep getting the same error: /root/madwifi-0.9.4/net80211/ieee80211_power.c: In function ‘ieee80211_pwrsave’: /root/madwifi-0.9.4/net80211/ieee80211_power.c:240: error: implicit declaration of function ‘__skb_append’ make[3]: *** [/root/madwifi-0.9.4/net80211/ieee80211_power.o] […]

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Sep 04 2009

Configure WPA on Linux Howto

Published by under Linux,Security

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 […]

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