Anyone who has spent time developing Spark applications (or any other distributed application for that matter) has probably wished for some x-ray goggles into the black-box machinery of the framework. While Spark provides a nice and increasingly feature-rich UI for checking on the status of running tasks and even gives statistics on things like runtime, memory usage, ..

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Step 1: Install Java 8 (JDK 8)Open terminal and enter the following commands.sudo add-apt-repository -y ppa:webupd8team/javasudo apt-get updateecho debconf shared/accepted-oracle-license-v1-1 select true | sudo debconf-set-selectionsecho debconf shared/accepted-oracle-license-v1-1 seen true | sudo debconf-set-selectionssudo apt-get -y install oracle-java8-installer Setup JAVA Environmentsudo apt-get -y install oracle-java8-set-default Step 2: Verify JAVA VersionAfter successfully installing oracle java using above step ..

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This tutorial will walk you through installing the command-line FTP client commonly known as ‘ftp’. This application is available by default on most distributions with a standard install but because we use a minimal install it must be installed separately. This tutorial assumes that you have gone through the Ubuntu Setup Guide and are familiar ..

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In order to connect to a SSL enabled Redis from cli you would need to first install stunnel: yum install stunnel then in the configuration file add: cat /etc/stunnel/redis-cli.conffips = nosetuid = rootsetgid = rootpid = /var/run/stunnel.piddebug = 7options = NO_SSLv2options = NO_SSLv3[redis-cli]client = yesaccept = 127.0.0.1:6379connect = MASTER_REDIS_IP:6379[redis-cli-slave]client = yesaccept = 127.0.0.1:6380connect = SLAVE_REDIS_IP:6379 ..

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Introduction One of the more popular products on the market right now is NewRelic for application monitoring. What’s cool is you can also use their Server product to monitor an unlimited number of servers using the same license key. This tutorial will briefly walk you through how to set this up on your ProfitBricks Ubuntu ..

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– netstat -ntu | awk ‘ $5 ~ /^[0-9]/ {print $5}’ | cut -d: -f1 | sort | uniq -c | sort -n  netstat with group by (ip adress) netstat has two lines of headers: Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State Added a filter in the awk command to ..

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Introduction One of the more popular products on the market right now is NewRelic for application monitoring. What’s cool is you can also use their Server product to monitor an unlimited number of servers using the same license key. This tutorial will briefly walk you through how to set this up on your ProfitBricks Ubuntu ..

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– netstat -ntu | awk ‘ $5 ~ /^[0-9]/ {print $5}’ | cut -d: -f1 | sort | uniq -c | sort -n  netstat with group by (ip adress) netstat has two lines of headers: Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State Added a filter in the awk command to ..

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