What Are the Recommended Practices of Logging?

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Problem scenario
The primary purposes of logging include troubleshooting (root cause analysis of poor performance, debugging unintended behavior, or resolving catastrophic failures). In some cases logging is used for monitoring of resource utilization and planning of changes. What patterns or characteristics of a good logging system (consistent with what some may phrase as “best practices”)?

Solution
Here are 13 traits of good logging.

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How Do You Increase the Hard Disk Space of an Existing GCP Server?

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Problem scenario
You need a larger hard disk on a Google Cloud Platform server. What should you do?

Solution

  1. In the GCP web console go to “VM instances”
  2. Click on the VM’s name (e.g., instance-1) that is hyperlinked.
  3. Find “Boot disk and local disks”. There should be a list with a “Name” column.
  4. Click on the hyperlinked name (e.g.,

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How Do You Install Helm on a Debian or Ubuntu Linux Server without Internet Access?

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Problem scenario
You want to use Helm to manage Kubernetes applications. Helm helps you with packages for changes to Kubernetes (in ways that are similar to yum or apt). Helm uses what are call Charts (.yaml files) that enable you to do more with Kubernetes with less trouble. Helm consists of these two things: a CLI tool and a server component that runs as a pod in a Kubernetes cluster (page 531 of Kubernetes in Action by Luksa).

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The Mismeasure of a Professional Candidate?

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TLDR: The canonical advice we give job seekers in I.T. is to develop testing-coding skills despite the fact that there are limitations to such artificial tests.

Full Length Article
How should a prospective I.T. employee be assessed? Ostensibly CodeFights, Codebyte, Codility, Coderpad, Devskiller, HackerRank, LeetCode, TestDome, and other coding ability test websites can help job seekers with limited professional experience yet considerable skills and abilities can prove himself or herself.

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How Do You Get Your Resume Passed Resume Scanning Programs for an Interview?

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Problem scenario
You know of automated software that screens resumes without human oversight. You know your resume could be in a database and later retrieved if key words are matched. You want to customize your resume for the perfect job. The ladders.com says that humans often do not read resumes but robots do. What do you to to tailor your resume for the processes that affect getting an interview?

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How Do You Write a Python Program to Create New Processes with the multiprocessing Library?

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Problem scenario
You want to create new processes with the multiprocessing library in Python. What should you do?

Solution
Run this program:

“”” In a duplicate terminal window, run this command before, during and after you run the pyhon script: sudo ps -ef | grep python | wc -l

The integer that returns will go up by two showing a new processes have been created when the program is still running. …

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How Can You Change the cgroups Settings for Docker Containers while Bypassing Docker?

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Problem scenario
You want to bypass Docker and configure the cgroups directly. You want new Docker containers to be governed by these customized settings. What should you do?

Solution
You may not want to bypass Docker for your cgroup modifications. You should read about the libcontainers. By default Docker uses libcontainers for granular configuration changes along the lines of modifying cgroups settings. You could potentially use LXC,

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How Do You Write a Tic-Tac-Toe Program in Golang?

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Problem scenario
You want to play TicTacToe. You have a Golang compiler installed. What should you do?

Solution
Prerequisites
This assumes that you have installed Go. If you need assistance, see this posting.

Procedures
1. Name this program tictactoe.go.

package main

import (
“strings”
“bufio”
“fmt”
“os”
)

func mapper(letter string) int{
if strings.TrimRight(letter, …

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How Do You Scale Out the Nodes of an AKS Cluster?

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Problem scenario
You are using AKS (Azure Kubernetes Service). You have a cluster that you want to have more nodes. (Please do not confuse nodes with pods; see this posting if you are not sure about the difference.) What should you do?

Solution
You need to know the name of the cluster and the resource group it is in. Draft a command like this:

az aks scale –name foocluster –node-count 5 –resource-group barrg

-Replace “5” with the number of nodes you want to scale up.

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