![]() ![]() 7 is already installed with the operating system, so we do not need to install Python. In this example, I’m installing Spark on an Ubuntu 14.04 LTS Linux distribution.Īs with the Red Hat example, Python 2. Try it Yourself: Install Spark on Ubuntu/Debian Linux Note, this is an estimator program, so the actual result may vary: Pi is roughly 3.140576 If the installation was successful, you should see something similar to the following result (omitting the informational log messages). Run the included Pi Estimator example by executing the following command: spark-submit -class .SparkPi -master local $SPARK_HOME/lib/spark-examples*.jar 10 You should see a similar result by running the spark-shell command from any directory. SparkContext available as sc, HiveContext available as sqlContext. If Spark has been successfully installed, you should see the following output (with informational logging messages omitted for brevity): Welcome to Open the PySpark shell by running the pyspark command from any directory (as you’ve added the Spark bin directory to the PATH). You need to do this if you wish to persist the SPARK_HOME variable beyond the current session. bashrc file or similar user or system profile scripts. ![]() The SPARK_HOME environment variable could also be set using the. Sudo mv spark-1.5.2-bin-hadoop2.6 /opt/spark OpenJDK 64-Bit Server VM (build 24.91-b01, mixed mode)Įxtract the Spark package and create SPARK_HOME: tar -xzf spark-1.5.2-bin-hadoop2.6.tgz If Java 1.7 or higher is not installed, install the Java 1.7 runtime and development environments using the OpenJDK yum packages (alternatively, you could use the Oracle JDK instead): sudo yum install java-1.7.0-openjdk java-1.7.0-openjdk-develĬonfirm Java was successfully installed: $ java -version However, the same installation steps would apply to Centos distributions as well.Īs shown in Figure 3.1, download the spark-1.5.2-bin-hadoop2.6.tgz package from your local mirror into your home directory using wget or curl. In this example, I’m installing Spark on a Red Hat Enterprise Linux 7.1 instance. Try it Yourself: Install Spark on Red Hat/Centos
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![]() “Always keep the door open, because you never know when you may want to return or even work with other colleagues in a future role elsewhere,” said Roque. Despite your feelings about your job or your boss, being professional, courteous, and helpful provides closure and a positive path forward. Your letter should have a neutral tone that informs your employer that you are leaving and on what date, plus it should offer to assist in the transition to someone new and thank them for the time you were part of the team. “Think of it as your former company’s last chapter of your story.” “It is a required document that becomes part of your employee records,” Roque told Business News Daily. Pat Roque, career transformation coach at Rock on Success, described a job resignation letter as a formal notification of an employee’s exit strategy. What is a resignation letter?Įmployees should give their employer a formal job resignation letter when they decide to quit a job. ![]() Knowing the impact this letter can have, it is important to understand what should be included in it and exactly how to write it. Crafting and submitting a professional resignation letter is a key aspect of the resignation process and can leave a lasting impression on former and future employers. Resigning from a job, regardless of the circumstances, is a major life decision and should be taken seriously. This article is for employees who need guidance on writing a proper resignation letter.Do not air your grievances or speak poorly about the company or co-workers in your resignation letter.Include the date of your last working day, an offer to assist with the transition, and express gratitude to your soon-to-be former employer. Your resignation letter should be concise.Creating and submitting a professional resignation letter can affect how you are viewed by past and future employers and colleagues. |
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