A Technical I.T./DevOps Blog
Problem
You want thriftpy installed to deploy Apache Parquet. How do you install thriftpy?
Solution
Prerequisite
Install pip. If you need assistance, click on the link according to your distribution of Linux:
CentOS/RHEL/Fedora (most newer versions)
RHEL 6.x
Debian/Ubuntu
SUSE
Procedure
Run this command: pip install thriftpy
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Continue reading “How Do You Install a Pythonic Implementation of Apache Thrift?”
Problem scenario
You want to install Apache Thrift for a Apache Parquet. How do you install Apache Thrift?
Solution
Run this command:
sudo apt -y install thrift-compiler
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Continue reading “How Do You Install Apache Thrift on Ubuntu Linux?”
Problem scenario
You want to know if you have Apache Thrift correctly installed. What do you do?
Solution
Run this command: thrift -version
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Continue reading “How Do You Check If Apache Thrift Is Installed?”
Problem scenario
You want to install kubelet, kubeadm, kubectl, and etcd on an Ubuntu server. How do you do this?
Solution
1. Run these five commands:
sudo apt-get -y update
sudo apt -y install docker.io
sudo su –
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add –
exit
2. Use either Method A or Method B.
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Problem scenario
You use invoke-webrequest and it works fine with some websites. But sometimes you find that PowerShell says “command not found.” What is wrong?
Solution
invoke-webrequest will work to download html and htm files. Depending on the source file on the web server, the command needs a flag to work properly. For an image file with a .jpeg extension, the invoke-webrequest needs a flag “-ContentType ‘image/jpg'” or something similar to work.
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Updated on 5/1/20
Problem scenario
You have a Linux server with 1 GB of RAM. You want to install node and npm because you want to try out the latest JavaScript technologies. (You were persuaded to not use Gulp or Grunt to manage build scripts. You want to use npm because of this link.) You want to use the same copy of the bash script on CentOS/RedHat/Fedora,
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Continue reading “How Do You Install node and npm on Any Distribution of Linux Server?”
Problem scenario
You want to give a Linux user the ability to elevate his/her permissions to run commands that would ordinarily require administrator privileges. What command do you use?
Solution
Run this command but first replace “jdoe” with the user you want to add to the sudoers: sudo adduser jdoe sudo
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Continue reading “What Is the Command to Add a User to the sudoers?”
Problem scenario
You are using a RedHat derivative distribution of Linux. You want to install Apache Web Server on it so it can publish PHP content. How do you install and configure the necessary dependencies to do this?
Solution
1. Install Apache web server: sudo yum -y install httpd
2. Install PHP: sudo yum -y install php
3. Examine the httpd.conf file.
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Problem scenario
You have a .php file with PHP and HTML code. You want an HTML text field to be display a pre-populated text value by default. The user can then modify this value from the web UI (i.e., front-end). You want this text value to be based on a PHP variable (calculated in earlier in the code). How do you get your HTML code to display the value of a PHP variable?
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Problem scenario
You have an input file (.txt) that is a list of email addresses. The file is guaranteed to have one of the following: one or more spaces between each email address or there is certainly a new line between the each email address. Beyond that there can be one or two commas after the email address. There could also be one or two semicolons after the email address. You know that this input file will not have a mix of the two punctuation marks.
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