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Special Forums IP Networking Help with to check the tcp network connectivity between servers and hosts Post 302904051 by RudiC on Sunday 1st of June 2014 02:29:05 PM
Old 06-01-2014
What is this construct:'(nc -zv $hosts)'? If you want to use command substitution, use $(...). That will make the exit code available via $? as well. You may need to redirect stderr to stdout to capture the error msg.
 

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COUCHDB(1)							   User Commands							COUCHDB(1)

NAME
couchdb - Apache CouchDB database server SYNOPSIS
couchdb [OPTION] DESCRIPTION
The couchdb command runs the Apache CouchDB server. Erlang is called with: -os_mon start_memsup false start_cpu_sup false disk_space_check_interval 1 disk_almost_full_threshold 1 -sasl errlog_type error +K true +A 4 Erlang inherits the environment of this command. You can override these options using the environment: ERL_AFLAGS, ERL_FLAGS, ERL_ZFLAGS See erl(1) for more information about the environment variables. The exit status is 0 for success or 1 for failure. OPTIONS
-h display a short help message and exit -V display version information and exit -a FILE add configuration FILE to chain -A DIR add configuration DIR to chain -n reset configuration file chain (including system default) -c print configuration file chain and exit -i use the interactive Erlang shell -b spawn as a background process -p FILE set the background PID FILE (overrides system default) -r SECONDS respawn background process after SECONDS (defaults to no respawn) -o FILE redirect background stdout to FILE (defaults to couchdb.stdout) -e FILE redirect background stderr to FILE (defaults to couchdb.stderr) -s display the status of the background process -k kill the background process, will respawn if needed -d shutdown the background process REPORTING BUGS
Report bugs at <https://issues.apache.org/jira/browse/COUCHDB>. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITH- OUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. couchdb - Apache CouchDB 1.2.0 January 2013 COUCHDB(1)
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