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SSH Notifications via email

IP=”$(echo $SSH_CONNECTION | cut -d ” ” -f 1)”HOSTNAME=$(hostname)NOW=$(date +”%e %b %Y, %a %r”) echo ‘Someone from ‘$IP’ logged into ‘$HOSTNAME’ on […]

Change Centos IP address
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Change Centos IP address

In common situation, “system ip address” is the ETH0 address. So edit /etc/sysconfig/network-scripts/ifcfg-eth0 with your favourite text editor and run service network […]

DHCP – DORA
Published

DHCP – DORA

DHCP Process Discover – Client sends a broadcast Discover Offer – Server replies with an offer of IP details Request – Client […]