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Month: June 2012

Euro crisis for dummies

Best analogy I’ve heard: Heidi is the proprietor of a bar in Chicago. She realizes that virtually all of her customers are unemployed alcoholics and, as such, can no longer afford to patronize her bar. To solve this problem, she comes up with a new marketing plan that allows her customers to drink now, but pay later. Heidi keeps track of the drinks consumed on a ledger (thereby granting the customers’ loans). Word gets around about Heidi’s “drink now, pay later” marketing strategy and, as a result, increasing numbers of customers flood into Heidi’s bar. Soon she has the largest…

How to install HP Array Config Utility (ACU) on XenServer 6.0 or XenServer 6.5

Get and install the software first: If you have XenServer 6.0, you can get it with the commands below. cd /tmp wget ftp://ftp.hp.com/pub/softlib2/software1/pubsw-linux/p1980463820/v89068/hpsmh-7.3.0-9.i386.rpm wget ftp://ftp.hp.com/pub/softlib2/software1/pubsw-linux/p640342176/v80069/cpqacuxe-9.40-12.0.i386.rpm rpm -ihv hpsmh-7.3.0-9.i386.rpm rpm -ihv cpqacuxe-9.40-12.0.i386.rpm For XenServer 6.5 you need 64-bit versions of these archives: cd /tmp wget http://downloads.linux.hp.com/downloads/ManagementComponentPack/CentOS/5.0Server/x86_64/9.40/hpsmh-7.2.2-8.x86_64.rpm wget http://downloads.linux.hp.com/downloads/ManagementComponentPack/CentOS/5.0Server/x86_64/9.40/cpqacuxe-9.40-12.0.x86_64.rpm rpm -ihv hpsmh-7.2.2-8.x86_64.rpm rpm -ihv cpqacuxe-9.40-12.0.x86_64.rpm After installing the software for your version of XenServer, make sure ACU traffic is allowed: vi /etc/sysconfig/iptables Search for: -A RH-Firewall-1-INPUT -j REJECT –reject-with icmp-host-prohibited Insert the line below right before the line found: -A RH-Firewall-1-INPUT -p tcp -m state –state NEW -m tcp –dport 2381 -j ACCEPT Restart iptables:…