Below are the list of new changes , Modules in Ansible 1.6 Major features/changes in Ansible 1.6: The deprecated legacy variable templating system has been finally removed. Use {{ foo }} always not $foo or ${foo}. Any data file can also be JSON. Use sparingly — with great power comes great responsibility. Starting file with…
Check for Prime Numbers in Python A prime number is a number greater than 1 that has no divisors other than 1 and itself. Efficiently checking for primes is a classic coding problem. Efficient Solution (Check up to Square Root) import math def is_prime(n): if n < 2: return False for i in range(2, int(math.sqrt(n))...
Here is the simple shell script check the MySQL service status, if MySQL service is not running then start MySQL service. #!/bin/bash SERVICE=’mysql’ if ps ax | grep -v grep | grep $SERVICE > /dev/null then echo “$SERVICE service is running.” else echo “$SERVICE is not running” service mysqld start fi Let me describe about…
Write a python program to find the largest and smallest number in python using for loop Assign first element of an array to largest(lt) and smallest (st) value variable. Traverse the array by using for loop If element of array a[i] is smaller than first element of variable st then assign array element to st….
Install Elasticsearch using Repositories You can easily install Elasticsearch using APT and YUM repository – Install Elasticsearch Using APT repository – Install Elasticsearch Using Yum repository Install Elasticsearch 5.0 on Debian: Step 1: Download and Install Elasticsearch Public signin key wget -qO – https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add – Step 2: Installation using APT Repository…
Install RPM in CentOS RPM Package Manager (RPM), originally called the Red-hat Package Manager, is a program to install or uninstall software packages or libraries in Linux. To install RPM in CentOS, first download the RPM: [roop@localhost ~]$ wget ftp://rpmfind.net/linux/centos/6.6/os/x86_64/Packages/opencv-2.0.0-12.el6.x86_64.rpm now check in your directory opencv-2.0.0-12.el6.x86_64.rpm will be available for installation.To install RPM in CentOS…
Deleting Lines Containing Specific string from multiple files Deleting Lines Containing Specific string from multiple files recursively Syntax: Example: Below example delete lines containing @license tag from src/main/php directory all files recursively Option Description: -R or –dereference-recursive For each directory operand, read and process all files in that directory, recursively, following all symbolic links. -l…
What is autoscale in Kubernetes? Let’s understand autoscaling with an example. If you have a web application and during specific time you got lot’s of viewer and the rest of the day viewers are less. In order to serve the traffic load better you need more resources. Autoscaling providing you a feature to adjust load…
Shell script loop to execute some task for business day and previous business day. If previous business day is weekend then script should skip the weekend date and pick Friday as a previous business day date. Output: Reference: https://unix.stackexchange.com/a/240960/56407
Count Character Frequency in Python Counting how many times each character appears in a string is a fundamental problem with many real-world applications, from text analysis to compression algorithms. Best Solution: Using Counter from collections import Counter def char_frequency(s): return Counter(s) result = char_frequency(“hello world”) print(result) # Output: Counter({‘l’: 3, ‘o’: 2, ‘h’: 1, ‘e’:…
