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ubuntu in nutshell 1

tasksel --list-tasks
tasksel --task-packages dns-server
do-release-upgrade
do-release-upgrade -d
sudo apt-get install nmap
sudo apt-get remove nmap
sudo apt-get update
sudo apt-get upgrade
sudo aptitude
/etc/apt/sources.list
/etc/network/interfaces
/etc/resolv.conf
sudo apt-get install dhcp3-server
ntpdate ntp.ubuntu.com
sudo apt-get install ntp
sudo apt-get install openssh-client
sudo apt-get install openssh-server
sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config.original
sudo chmod a-w /etc/ssh/sshd_config.original
/etc/issue
/etc/issue.net
sudo /etc/init.d/ssh restart
ssh-keygen -t dsa
cat id_dsa.pub >> .ssh/authorized_keys2
chmod 644 .ssh/authorized_keys2
apt-cache rdepends ebox | uniq
sudo apt-get install ebox
sudo apt-get install slapd ldap-utils
sudo dpkg-reconfigure slapd
sudo /etc/init.d/slapd stop|start
sudo slapadd -l example.com.ldif
ldapsearch -xLLL -b "dc=example,dc=com" uid=john sn givenName cn
sudo apt-get install bind9
sudo apt-get install dnsutils
/etc/bind/named.conf
/etc/bind/named.conf.options
/etc/bind/db.root
www IN A 192.168.1.12
web IN CNAME www
IN MX mail.example.com.
mail IN A 192.168.1.13
IN NS ns.example.com.
IN NS ns2.example.com.
ns IN A 192.168.1.10
ns2 IN A 192.168.1.11
dig -x 127.0.0.1
dig ubuntu.com

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