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the explain plan for command in combination with the DBMS_XPLAN.DISPLAY function call (see Example 1). Example 1: Oracle Execution Plan 01 SQL> explain plan for<+>1<+> 02 2> SELECT * 03 3> FROM sales

certain things. Two reasons a script 08 # might fail are: 09 # 10 # 1) timing - A surprising number of programs (rn, ksh, zsh, telnet, 11 # etc.) and devices discard or ignore keystrokes that arrive "too

eBox Technologies, and it is available as a free Basic Subscription as well as a Business and Enterprise Edition [3]. Essentially, the differences lie in the number of users and the update services

Service (Amazon S3) 19 - ami plugin for Amazon Simple Storage Service (Amazon S3) 20 - sftp plugin for SSH File Transfer Protocol 21 - ebs plugin for Elastic Block Storage 22 - local plugin

will provide sub-par performance. A deeper treatment of these issues can be found in a recent article called "Will HPC Work in the Cloud?" [3]. Finally, any remote computation scheme needs to address

, 50GB of memory, and a 1Gb NIC. However, the CPU must be a 64-bit system with a mandatory virtualization extension: either AMD-V or Intel VT. In contrast to RHEV 2.2, RHEV 3 is no longer based on RHEL ... Version 3.1 of the oVirt management platform for virtual infrastructures has recently become available. On Fedora 17, the new release is easy to install and deploy. ... oVirt 3.1 ... Managing virtual infrastructures with oVirt 3.1

.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp

seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.3

, such as an external hard drive, or directly across the network. You can also set up a schedule (Figure 3). Figure 3: Scheduling the replication

and then explicitly allow certain users access. It's similar to the deny by default approach I touched on in another article [3]. To achieve this, the /etc/hosts.deny file would look like this: sshd: ALL To allow