EanderAlx.org

Linux, Virtualization and whatever I find interesting ...

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notify-send from cron

tested with Arch x64 and Gnome 2.3

  • If you send an notfiy-send from a cron and use gnome then you normally get an error message.

Use Epson C1100(n) with Arch Linux

  • Tested with Arch 3.4.4-2 x64

Temperature Monitoring using an USB Sensor

  • and statistical detection with munin
Productname Hid TEMPerNTC
Link Producer PCSensor
Amazon Link hear (german)

Shell in a box for Archlinux

An AJAX web-based fullscreen terminal emulator where you can mark an copy text (depending on your browser, according to my tests opera is optimal). Forget Ajaxterm!

Rootkit Hunter

  • As the name implies, its a tool to detect rootkits.
  • I will describe installation and configuration for arch and ubuntu

Play with Alix2D13 (Archlinux)

I bought an Alix board from PCEngines to experiment a little with it. Here are a few tips, no ready-made solutions for router or something like that only independent problem solver to run the Alix with Archlinux.

IPSec VPN with Fritzbox

I doesn't realy like Fritzbox's nor IPSec and myself I'm using a Netgear Router with Tomato and OpenVPN but I had to connect to this IPSec VPN from this Fritzbox 7170. I find Shrew IKE to do this and if you also want to connect to Fritzbox IPSec hear you can find out how did you get it to work. I used Arch Linux as IPSec Client.

Arch: VLANs in rc.conf

  • the package vconfig is needed in order to use VLANs
Deprecated

 pacman -Sy vconfig
  • There were several approaches in the Forum to configure VLANs in rc.conf. The Problem is: therefor its necessary to do extensive changes in “/etc/rc.d/network”.
  • After a update its possible that all changes are gone.
  • I wasn't interested in doing multiple changes in “/etc/rc.d/network” after updates.
  • That's why I write my own variant. It's only needed to change two lines.
  • With my Script it's only Possible to add VLAN and not to remove.
  • “vconfig” is designed that after a reboot VLAN interface are not configured.
  • If you want to achieve more, further changes have to include into “/etc/rc.d/network” and I wanted to avoid this.

Setup:

  • First the Script, put it into “/etc/conf.d”.
create_vlans
#!/bin/bash
#FILES
#       /proc/net/vlan/config
#       /proc/net/vlan/[vlan-device]
# rc.conf:
# VLANs
#
#VLAN_DEVS=(eth0.6)
######
# /etc/rc.d/network
# vlan settings
#[ -f /etc/conf.d/create_vlans ] && . /etc/conf.d/create_vlans
#
### Variables ###
LSMOD_PATH="/usr/bin/lsmod"
VLAN_PATH="/proc/net/vlan/"
VCONFIG_PATH="/usr/sbin/vconfig"
#
### Functions ###
vlan_add()
{
	if [ -e $VCONFIG_PATH ];then
		/usr/bin/lsmod | grep 8021q > /dev/null 2> /dev/null
		if [ $? == 0 ];then
			if [ ! -e $VLAN_PATH$1 ];then
				VLANS_DEV=$1
				VLAN_IFACE=`echo $VLANS_DEV | cut -d "." -f1`
				VLAN_ID=`echo $VLANS_DEV | cut -d "." -f2`
				$VCONFIG_PATH add $VLAN_IFACE $VLAN_ID > /dev/null 2> /dev/null
			fi
		else
			echo "8021q Module not loaded"
		fi
	else
		echo "please install vconfig: pacman -S vconfig"
	fi
}
vlan_rem()
{
	vconfig rem $1
}
#
### Main ###
if [ ! -e $LSMOD_PATH ];then
	echo "/usr/bin/lsmod not available, unable to check vlan module"
else
	for vlans in ${VLAN_DEVS[@]}; do
		vlan_add $vlans   
	done
fi
  • Adapt “/etc/rc.d/network” Attention: the changed are gone after update initscripts.
  • Add these lines before the other includes.
# vlan settings
[ -f /etc/conf.d/create_vlans ] && . /etc/conf.d/create_vlans

configure VLANs

  • VLAN interfaces now can be entered in the rc.conf.
  • With “VLAN_DEVS=()” the interfaces were created [Interface.VLAN_ID].
  • Then you can assign an IP-Adresse to the interface. The interface name is “vlan6” for example. This name must not contain “.” or “ ”.

Example:

#VLANs
VLAN_DEVS=(eth0.6)

interface=eth0
address=
netmask=
broadcast=
gateway=

interface=eth0.6
address=172.16.10.1
netmask=255.255.0.0
broadcast=172.16.255.255
gateway=
bloglist.txt · Last modified: 23.03.2013 20:10 by eanderalx