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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

CommandWhat it DoesWhen to Use it
csync_wizard

Helps set up the cfengine environment.

When setting up the configuration master.

 

Table 1-2 Consolidated Logging Commands

CommandWhat it DoesWhen 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

CommandWhat it DoesWhen 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.
ckillDistributes 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.
cuptimeReports 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

CommandWhat it DoesWhen 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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