Java Software Development

Amazon claim that just an extra one tenth of a second on their response times will cost them 1% in sales. Google said they noticed that just a half a second increase in latency caused traffic to drop by a fifth. From blog on Brewer's CAP Theorem

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LDAPAdmin

/etc/hosts   127.0.0.1 localhost.localdomain localhost   ::1 localhost6.localdomain6 localhost6 /etc/sysconfig/network   NETWORKING=yes   NETWORKING_IPV6=yes   HOSTNAME=localhost.localdomain /etc/sysconfig/network-scripts/ifcfg-<interface-name, i.e., eth0>   TYPE=Ethernet   DEVICE=eth0   BOOTPROTO=static   IPADDR=192.168.1.21   NETMASK=255.255.255.0   USERCTL=yes   HWADDR=00:0C:29:CA:5F:05   IPV6INIT=no   IPV6_AUTOCONF=no   ONBOOT=yes   GATEWAY=192.168.1.1   NETWORK=192.168.1.0   HOSTNAME=someHostName /etc/resolv.conf search axeda.com   nameserver 192.168.0.28   nameserver 192.168.0.23 /etc/hostname - set via above CentOS network config CentOS network config files

sudo /etc/init.d/gdm start sudo /etc/init.d/gdm stop or startx sudo killall gdm

On Ubuntu 9.10 Karmic Koala, Dell Studio 1737 with ATI, the display config became corrupted and the system would only boot into low res mode. I often reconfiguring the display for dual mode and disable the laptop display to force the menus onto the larger external display then re-enable the laptop display to use both spaces. This was working fine on Ubuntu 8.10 Intrepid Ibex. After updating to 9.10 the display settings become corrupted while attempting this same sequence of operations. To fix it, delete: /etc/X11/xorg.conf Then execute: dpkg-reconfigure xserver-xorg Reconfiguring the display alone didn't work.

To get the client, connect to ESXi server via browser and there is a menu where you can download the client. Connect to a server and click on console to administer the OS. To get the mouse out of vSphere client ctrl+alt To copy vm instance from one system to another use vmconverter When copying from one environment to another the encoding may conflict: File already has an encoding of "UTF-8". Cannot open configuration file ... Fix encoding by following this blog entry.

Enable jmx-console: jboss-eap-4.3\jboss-as\server\ServiceLink\conf\props\jmx-console-users.properties uncomment admin=admin Clear work dir when context destroyed (undeploy): DeleteWorkDirOnContextDestroy in: $JBOSS/server/default/deploy/jboss.web.deployer/META-INF/jboss-service.xml