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java.net.NoRouteToHostException: Cannot assign requested address: JMeter server is unable to allocate a port to create a connection to the JMeter client to return the samples.

Same thing happened to Nginx front-end as well!

java.net.NoRouteToHostException: Cannot assign requested address
Otherwise, the following messages may appear in the JMeter JTL files:

Non HTTP response code: java.net.BindException
Non HTTP response message: Address already in use
The solution is to enable fast recycling TIME_WAIT sockets.

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for var in $(ps aux | grep ansible | awk '{print $2}'); do echo $var; sudo kill -9 $var; done

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sudo apt-get install software-properties-common python-software-properties

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer

## Extra system conf
sudo update-alternatives --config java
sudo update-alternatives --config javac

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sudo cp play-startup.sh /etc/init.d/
sudo update-rc.d play-startup.sh defaults
sudo update-rc.d -f play-startup.sh remove

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# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so

# Packages #

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[unix_http_server]
file=/tmp/supervisor.sock                       ; path to your socket file

[supervisord]
logfile=/var/log/supervisord/supervisord.log    ; supervisord log file
logfile_maxbytes=50MB                           ; maximum size of logfile before rotation
logfile_backups=10                              ; number of backed up logfiles
loglevel=error                                  ; info, debug, warn, trace
pidfile=/var/run/supervisord.pid                ; pidfile location
nodaemon=false                                  ; run supervisord as a daemon

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xcode-select --install
# Useful Bash commands
history|awk '{print $2}'|awk 'BEGIN {FS="|"} {print $1}'|sort|uniq -c|sort -r

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git branch -m old_branch new_branch         # Rename branch locally    
git push origin :old_branch                 # Delete the old branch    
git push --set-upstream origin new_branch   # Push the new branch, set local branch to track the new remote

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sudo visudo
<username> ALL=NOPASSWD: ALL

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 sudo nano /etc/hostname  # For example: db01
 sudo nano /etc/hosts     # Example: 127.0.0.1	db01.example.com db01
 sudo service hostname restart # Restart hostname service