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Distributed Systems Administration Utilities User's Guide > Chapter 1 Introduction

Distributed Systems Administration Utilities Commands

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Table 1-1 Configuration Synchronization Command

Command	What it Does	When to Use it
csync_wizard	Helps set up the cfengine environment.	When setting up the configuration master.

Table 1-2 Consolidated Logging Commands

Command	What it Does	When to Use it
clog	Displays log files.	To examine log files.
`clog_wizard`	Helps set up log consolidation servers and clients.	When setting up log consolidation.

Table 1-3 Command Fanout Commands

Command	What it Does	When to Use it
ccp	Copies files to multiple hosts in parallel. In a Serviceguard cluster, copies files cluster-wide.	To perform on-demand synchronization of files across a set of systems or a Serviceguard cluster.
cexec	Issues commands to multiple hosts in parallel. In a Serviceguard cluster, issues command cluster-wide.	To execute a non-interactive shell command across a set of systems or cluster. To consolidate identical output, pipe the output to dshbak -c.
ckill	Distributes a kill command to multiple hosts in parallel. In a Serviceguard cluster, issues command cluster-wide by default.	To send a signal to a named process across multiple systems or a cluster.
cps	Distributes a ps(1) command to multiple hosts in parallel. In a Serviceguard cluster, issues command cluster-wide by default.	To collect process information from groups of systems simultaneously.
cuptime	Reports uptime(1) information for multiple systems. In a Serviceguard cluster, issues command cluster-wide by default.	To check uptime, users, and load averages.
cwall	Displays a wall(1M) broadcast message on multiple hosts. In a Serviceguard cluster, issues command cluster-wide by default.	To broadcast a message to all logged-in users across a group of systems.

Table 1-4 Utility Setup Command

Command	What it Does	When to Use it
csshsetup	For the current user, performs a secure shell (ssh) public key distribution to multiple systems.	To greatly simplify ssh key distribution. pdsh and the command fanout (cexec-related) commands all rely on a proper ssh key distribution. The csync_wizard requires ssh access to managed clients. For example, in a Serviceguard cluster, this allows ssh access from any member to any other member, so pdsh and cexec can be used from any cluster member.

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