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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LEARN ABOUT DEBIAN
couchdb
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)