##### TO CONFIGURE THE DHCP SERVER ###### Step 1 ##### TO ASSIGN THE HOSTNAME ##### hostname dhcp.zoom.com hostname ( to check ) ifconfig ( to check the ip ) vi [ … ]

LDAP

Nagios Monitoring Toll Installation

Open a terminal sudo apt-get update Download zimbra from below link www.zimbra.com/downloads/zimbra-desktop/ Log in as root, or use sudo as shown below, and unpack the Zimbra Desktop .tgz file. sudo [ … ]

Log Server

Remote Installation

The Domain Naming System is the way in which a URL or domain like www.webnoidschools.com is converted to an IP address. Domain Name System, provides resolution of names to IP [ … ]

##### STEP1   ASSIGN  ISP DNS  ##### #vi  /etc/resolv.conf nameserver  192.168.50.250 :wq! ####  STEP 2 CHECK  AND  INSTALL  THE  PACKAGES  ########## #rpm  -qa  squid* #yum  install  squid*   -y ####  step 3  [ … ]

iptables -I INPUT -m state –state NEW -m tcp -p tcp –dport 10050 -j ACCEPT tcp    0    0    0.0.0.0:5666 0.0.0.0:* LISTEN 1919/nrpe tcp6  0    0    [ … ]

To  Block All  Incoming  Traffic # vi firewall iptables -F iptables -A INPUT  -j  REJECT :wq! check from client  To  Allow  a  Ip     #vi firewall iptables -F iptables  -A  [ … ]