# Can't install Logsatash plugin in Centos
**URL:** https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977
**Category:** Logstash
**Created:** [February 14, 2017, 7:30am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977 "2017-02-14T07:30:50Z")
**Posts on this page:** 12
**Page:** 1
### Author:  [@wolfghost](https://discuss.elastic.co/u/wolfghost)
#### Post date: [February 14, 2017, 7:30am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/1 "2017-02-14T07:30:50Z")
I am new for elk and trying to install logstash plugin for MongoDB in centos 7.1 but it always say command not found,
Elasticsearch and kibana are working fine, Can you please help me.
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### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [February 14, 2017, 7:33am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/2 "2017-02-14T07:33:46Z")
What command are you running.
What is the output?
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### Author:  [@wolfghost](https://discuss.elastic.co/u/wolfghost)
#### Post date: [February 14, 2017, 7:37am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/3 "2017-02-14T07:37:55Z")
logstash-plugin install logstash-input-mongodb
and o/p:- command not found
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### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [February 14, 2017, 7:38am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/4 "2017-02-14T07:38:26Z")
Please provide the entire commands and the output. Paste it directly from your shell.
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### Author:  [@wolfghost](https://discuss.elastic.co/u/wolfghost)
#### Post date: [February 14, 2017, 7:45am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/5 "2017-02-14T07:45:23Z")
[root@localhost bin]# logstash-plugin install logsatash
and o/p:- bash: logstash-plugin: command not found...
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### Author:  [@wolfghost](https://discuss.elastic.co/u/wolfghost)
#### Post date: [February 14, 2017, 9:44am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/6 "2017-02-14T09:44:14Z")
[root@localhost bin]# logstash-plugin list
bash: logstash-plugin: command not found...
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### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [February 14, 2017, 9:51am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/7 "2017-02-14T09:51:34Z")
What does `ls -l` in that directory show?
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### Author:  [@wolfghost](https://discuss.elastic.co/u/wolfghost)
#### Post date: [February 14, 2017, 9:55am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/8 "2017-02-14T09:55:13Z")
i found something like
[root@localhost bin]# /usr/share/logstash/bin/logstash-plugin install logstash-input-mongodb
Validating logstash-input-mongodb
Installing logstash-input-mongodb
which: no javac in (/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/root/bin)
which: no javac in (/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/root/bin)
Installation successful
Thanks for help
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### Author:  [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [February 14, 2017, 9:56am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/9 "2017-02-14T09:56:41Z")
It doesn't look like you have java installed?
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### Author:  [@wolfghost](https://discuss.elastic.co/u/wolfghost)
#### Post date: [February 14, 2017, 10:01am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/10 "2017-02-14T10:01:13Z")
[root@localhost bin]# java -version
openjdk version "1.8.0\_121"
OpenJDK Runtime Environment (build 1.8.0\_121-b13)
OpenJDK 64-Bit Server VM (build 25.121-b13, mixed mode)
java version shows the above output
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### Author:  [@wolfghost](https://discuss.elastic.co/u/wolfghost)
#### Post date: [February 14, 2017, 10:01am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/11 "2017-02-14T10:01:59Z")
but
[root@localhost bin]# /usr/share/logstash/bin/logstash-plugin install logstash-output-mongodb
Validating logstash-output-mongodb
Installing logstash-output-mongodb
Plugin version conflict, aborting
ERROR: Installation Aborted, message: Bundler could not find compatible versions for gem "mongo":
In snapshot (Gemfile.lock):
mongo (= 2.4.1)
In Gemfile:
logstash-input-mongodb (\>= 0) java depends on
mongo (\>= 2.0.0) java
```
logstash-output-mongodb (>= 0) java depends on
mongo (~> 2.0.6) java
```
Running `bundle update` will rebuild your snapshot from scratch, using only
the gems in your Gemfile, which may resolve the conflict.
Bundler could not find compatible versions for gem "logstash-core":
In snapshot (Gemfile.lock):
logstash-core (= 5.2.0)
In Gemfile:
logstash-core-plugin-api (\>= 0) java depends on
logstash-core (= 5.2.0) java
```
logstash-input-mongodb (>= 0) java depends on
logstash-core (>= 5.0) java
logstash-output-mongodb (>= 0) java depends on
logstash-core (< 2.0.0, >= 1.4.0) java
logstash-core (>= 0) java
```
Running `bundle update` will rebuild your snapshot from scratch, using only
the gems in your Gemfile, which may resolve the conflict.
Bundler could not find compatible versions for gem "logstash":
In Gemfile:
logstash-output-mongodb (\>= 0) java depends on
logstash (\< 2.0.0, \>= 1.4.0) java
Could not find gem 'logstash (\< 2.0.0, \>= 1.4.0) java', which is required by gem 'logstash-output-mongodb (\>= 0) java', in any of the sources.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [March 14, 2017, 10:05am UTC](https://discuss.elastic.co/t/cant-install-logsatash-plugin-in-centos/74977/14 "2017-03-14T10:05:21Z")
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