Canonical is offering enterprises a chance to try cloud computing via a virtual appliance that bundles Ubuntu Linux with the IBM DB2 Express-C database running on the Amazon EC2 (Elastic Compute Cloud) public cloud platform. The free appliance, which features Ubuntu Server Edition 10.04, also can be deployed in private cloud configurations. DB2 Express-C enables [...]
Those who think the simple act of leveraging virtualization constitutes cloud computing are missing a significant point. In fact, virtualization is an inefficient way of managing cloud infrastructure; as IT becomes more adept at cloud architecture and the underlying technology further advances, you’ll see less and less virtualization used in cloud computing. VMware sees this, [...]
How to install postfix, dovecot and Squirelmail Install the package from yum: yum search postfix yum install postfix vi /etc/postfix/main.cf edit the configuration: myhostname = xxxx.com mydomain = xxxx.com inet_interfaces = all #inet_interfaces = localhost mydestination = $myhostname, localhost.$mydomain, localhost, xxxx.com mynetworks = xxx.xxx.xxx.xxx home_mailbox = Maildir/ hostname vi /etc/sysconfig/network NETWORKING=yes NETWORKING_IPV6=no HOSTNAME=xxxx.com [root@xxx ~]# [...]
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