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Tips & Tricks : Install Node.js on Debian 7.0 “Wheezy”

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As on Debian 7.0 Node.js is not included in standard repositories, if you want to install it login to server as a root and issue following commands:

apt-get install curl
curl -sL https://deb.nodesource.com/setup | bash -
apt-get install -y nodejs
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Tips & Tricks : Configure Apache on Debian 7 for RT4

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Once Request Tracker 4 is installed on Debian 7, there is one more thing to do.

Small change in Apache configuration to make RT4 website to work.

First edit Apache configuration file:

root@hostname:~# vi /etc/apache2/sites-available/default

Then add to that file (at the end):

Include /etc/request-tracker4/apache2-modperl2.conf
RedirectMatch ^/$ /rt
</VirtualHost>
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TIps & Tricks : Searching for packages in Debian

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If you want to install some packages on Debian and don’t know names of packages you can search in packages cache.

For example if you want to see all packages related to MySQL:

root@hostname:~# apt-cache search mysql
akonadi-backend-mysql - MySQL storage backend for Akonadi
ampache-themes - Themes for Ampache
aolserver4-nsmysql - AOLserver 4 module: module for accessing MySQL databases
libapq3.2.0 - Pluggable Ada 95 Binding to various database systems (library)
libapq3.2.0-dbg - Pluggable Ada 95 Binding to various database systems (debug)
libapq3.2.0-dev - Pluggable Ada 95 Binding to various database systems (development)
libaprutil1-dbd-mysql - Apache Portable Runtime Utility Library - MySQL Driver
asterisk-mysql - MySQL database protocol support for the Asterisk PBX
audiolink - makes managing and searching for music easier
auth2db - Powerful and eye-candy IDS logger, log viewer and alert generator
auth2db-common - Common configuration files for Auth2db backend and web frontend
auth2db-filters - Auth2db defaults filters pack
auth2db-frontend - Web frontend view for auth2DB log engine
automysqlbackup - daily, weekly and monthly backup for your MySQL database
autopostgresqlbackup - Automated tool to make periodic backups of PostgreSQL databases
backup-manager - command-line backup tool
backupninja - lightweight, extensible meta-backup system
bacula-common-mysql - network backup service - MySQL common files
bacula-common-mysql-dbg - network backup service - MySQL common files (debugging)
bacula-director-mysql - network backup service - MySQL storage for Director
...
root@hostname:~#
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How-To : Use Raspberry PI as Wireless Access Point

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Here is how to turn Raspberry PI with Linksys WUSB100 v2.0 adapter and Raspbian into wireless access point. This might be handy for conference rooms where you have wired connection, but wireless signal is too low. Just quick setup on Raspberry, plugin the cable and you have wireless available.

Install required packages

apt-get install firmware-ralink wireless-tools hostapd bridge-utils

Modify /etc/network/interfaces to add bridge interface

auto lo br0

iface lo inet loopback
iface eth0 inet manual

allow-hotplug wlan0
iface wlan0 inet manual

iface br0 inet dhcp
bridge_ports eth0 wlan0

Once network configuration is modified reboot Raspberry PI.

Create /etc/hostapd/hostapd.conf file to define access point configuration

interface=wlan0
driver=nl80211
bridge=br0
country_code=PL
ieee80211d=1
ssid=raspb3rry-wifi
hw_mode=g
channel=6
wme_enabled=0
macaddr_acl=0
auth_algs=1
wpa=2
wpa_passphrase=raspberry123
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP
rsn_pairwise=CCMP

Add configuration information to /etc/default/hostapd

That will make hostapd daemon to start automatically each time Raspberry PI will bootup.

DAEMON_CONF="/etc/hostapd/hostapd.conf"
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Config snippets : Configuring static IP address on Debian 6.0

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Just quick config snippet for Debian 6.0 which I came across when setting up few Debian Linux 6.0 virtual machines for recent network LAB. By default network adapter is set to get IP address from DHCP.

/etc/network/interfaces – dynamic IP address configuration

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface auto lo iface lo inet loopback
# The primary network interface allow-hotplug
eth0 iface eth0 inet dhcp

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