Unix Professional : October 2013

How to Install Asterisk on Ubuntu

//Ubuntu Version: 13.10

Login: root

Password: ******

#sudo apt-get update

#sudo apt-get upgrade

=== install asterisk on ubuntu == dependency ==

#sudo apt-get install build-essential wget libssl-dev libncurses5-dev libnewt-dev libxml2-dev linux-headers-$(uname -r) libsqlite3-dev uuid-dev

Wget http://www.digip.org/jansson/releases/jansson-2.4.tar.gz

# tar -zxf jansson-2.4.tar.gz

# cd jansson-2.4/

# ./configure

# make clean &&

# make &&

# make install

sudo apt-get install libtiff4

sudo ln -s /usr/local/src/jansson-2.5/src/.libs/libjansson.so.4 /usr/lib/libjansson.so.4

// Some optional requirements //

sudo apt-get update

sudo apt-cache search libxml

sudo apt-cache search libxml | grep dev

sudo apt-get install libxml2-dev

sudo apt-get install libncurses5-dev

#cd /usr/local/src/

// http://downloads.asterisk.org/pub/telephony/

wget http://downloads.asterisk.org/pub/telephony/dahdi-linux-complete/dahdi-linux-complete-current.tar.gz

wget http://downloads.asterisk.org/pub/telephony/libpri/libpri-1.4-current.tar.gz wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-11-current.tar.gz

tar zxvf dahdi-linux-complete*

tar zxvf libpri*

tar zxvf asterisk*

== Install DAHDI ==

cd /usr/src/dahdi-linux-complete*

# make

# make install

# make config

== Install libpri ==

# cd /usr/src/libpri*

# make

# make install

== Install Asterisk ==

cd /usr/src/asterisk*

# ./configure

# make menuselect

# make

# make install

# make config

# make samples

Start DAHDI

/etc/init.d/dahdi start

Start Asterisk and connect to the CLI

/etc/init.d/asterisk start

asterisk -rvvv

Verify your installation by checking for the DAHDI and libpri versions on the Asterisk CLI

bashar-desktop*CLI> ?

! acl ael agent agi aoc ari bridge calendar cc

cdr cel channel cli confbridge config console core dahdi data

database devstate dialplan dnsmgr dundi fax features file group hangup

help http iax2 indication keys local logger manager minivm mixmonitor

module moh no originate parking phoneprov presencestate pri queue realtime

reload rtcp rtp say sip skinny stun timing transcoder udptl

ulimit unistim voicemail xmldoc

bashar-desktop*CLI> dahdi show version

DAHDI Version: 2.7.0.1 Echo Canceller:

bashar-desktop*CLI> pri show version

libpri version: 1.4.14

How to Detect Linux Malware

Linux System:

login as: root
Password: ******

#cd /usr/local/src/

#wget http://www.rfxn.com/downloads/maldetect-current.tar.gz
#ls

#tar -zxvf maldetect-current.tar.gz
#ls
#cd maldetect-1.4.2
#ls
#./install.sh //If permission required then #chmod +1 install.sh

#vi /usr/local/maldetect/conf.maldet

If you would like to scan user’s Home

#maldet --scan-all /home

==Example==

[root@engr ~]# maldet --scan-all /home

Linux Malware Detect v1.4.2

This program may be freely redistributed under the terms of the GNU GPL v2

maldet(23290): {scan} signatures loaded: 11297 (9425 MD5 / 1872 HEX)

maldet(23290): {scan} building file list for /home, this might take awhile...

maldet(23290): {scan} file list completed, found 761394 files...

maldet(23290): {scan} 417/761394 files scanned: 0 hits 0 cleaned

Use the following two commands to turn on and quarantine all previous malware scan results.

# maldet --quarantine SCANID //SCANID==23290
# maldet --clean SCANID //SCANID==23290

Perform a daily scans

# vi /etc/cron.daily/maldet

Unix Professional

Wednesday, October 30, 2013

How to Install Asterisk on Ubuntu

Friday, October 4, 2013

How to Detect Linux Malware