mongod：awsでコマンドが見つかりませんでした。c9

Question

c9ウェブサイトのすべての手順に従ってからmongoDBサーバーを起動しようとしましたが、何も動作していないようです。 これは私が

-al

ec2-user:~ $ ls 
data environment mongod 
ec2-user:~ $ ./mongod 
./mongod: line 1: mongod: command not found 
ec2-user:~ $ 

LSに

total 76 
drwx------ 9 ec2-user ec2-user 4096 Dec 22 22:38 . 
drwxr-xr-x 3 root  root  4096 Oct 24 18:29 .. 
drwxr-xr-x 2 ec2-user ec2-user 4096 Dec 22 22:38 .aws 
-rw------- 1 ec2-user ec2-user 5469 Dec 22 22:40 .bash_history 
-rw-r--r-- 1 ec2-user ec2-user 18 Aug 15 2016 .bash_logout 
-rw-r--r-- 1 ec2-user ec2-user 218 Oct 24 18:43 .bash_profile 
-rw-r--r-- 1 ec2-user ec2-user 1410 Dec 19 16:29 .bashrc 
-rw-r--r-- 1 root  root  142 Dec 19 16:29 .bashr_profile 
lrwxrwxrwx 1 ec2-user ec2-user 7 Oct 24 18:57 .c9 -> /opt/c9 
drwxrwxr-x 2 ec2-user ec2-user 4096 Dec 22 09:42 data 
drwxr-xr-x 8 ec2-user ec2-user 4096 Dec 22 13:10 environment 
-rw-rw-r-- 1 ec2-user ec2-user 31 Dec 22 22:38 .gitconfig 
-rwxrwxr-x 1 ec2-user ec2-user 58 Dec 22 14:36 mongod 
-rw------- 1 ec2-user ec2-user 41 Dec 20 08:50 .node_repl_history 
drwxrwxr-x 126 ec2-user ec2-user 4096 Dec 22 14:17 .npm 
drwxrwxr-x 5 ec2-user ec2-user 4096 Oct 24 18:43 .nvm 
drwxrw---- 3 ec2-user ec2-user 4096 Oct 24 18:43 .pki 
drwx------ 2 ec2-user ec2-user 4096 Dec 5 12:21 .ssh 
-rw------- 1 ec2-user ec2-user 3711 Dec 5 12:22 .viminfo 

which mongo 


/usr/bin/which: no mongo in (/home/ec2-user/.nvm/versions/node/v6.11.4/bin:/usr/local/rvm/gems/ruby-2.4.1/bin:/usr/local/rvm/gems/ruby-2.4.1@global/bin:/usr/local/rvm/rubies/ruby-2.4.1/bin:/usr/local/bin:/bin:/usr/bin:/home/ec2-user/.local/bin:/home/ec2-user/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/aws/bin:/home/ec2-user/.local/bin:/home/ec2-user/bin:/home/ec2-user/.local/bin:/home/ec2-user/bin:/opt/aws/bin:/usr/local/rvm/bin:/home/ec2-user/.local/bin:/home/ec2-user/bin:/home/ec2-user/.local/bin:/home/ec2-user/bin)