UrbanCode Deploy aka UDeploy Tutorial – Cleaning up component versions
You cannot delete this version if it is used by: Process History. But You can delete versions that were deployed in a process only through Artifact Cleanup….
Working with Azure using Ansible
Ansible includes a suite of modules for interacting with “Azure Resource Manager”, giving you the tools to easily create and orchestrate infrastructure on the Microsoft Azure Cloud….
Calling Ansible handlers based on OS distributions
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Reboot and wait for reboot to complete in Ansible playbook
Reference – https://blog.confirm.ch/calling-ansible-handlers-based-on-os-distributions/ Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices….
How to fetch data in excel or generate excel file in PHP
File structure for this tutorial : config.php (database connection file) index.php (For fetching data ) genrate-excel.php (For genrating excel file ) Create a sql table tblemployee. Structure…
How to delete records?
1) Write the delete statement: [code language=”php”] $sql = "DELETE FROM `users` WHERE `id`=:id"; [/code] 2) Prepare the query: [code language=”php”] $query = $dbh -> prepare($sql); [/code]…
How to use PDO to update the database?
1) Write the regular update statement and again, instead of values, assign the named placeholders. For example: [code language=”php”] $sql = "UPDATE `users` SET `city`= :city, `phone`…
uDeploy Component Rollback explained!!!
What is Rollback? Automatically moving component versions(That is, the environment inventory) to a previous state. – To the versions that were deployed before a process began –…
uDeploy Application processes Steps Explained!!!
Application processes, like component processes, are created with the process editor. UDeploy provides several common process steps. Also, application processes are assembled from processes that are defined…
UDeploy properties & component properties along with their contexts
Components can have several types of properties. The server keeps track of changes to component properties as property versions. Properties can be set for many different things,…
Component Process types of uDeploy explained!!!
In most cases, you run component processes by adding them to application processes. However, you can also run component processes directly. Click an application, and go to…
What is Agent Pool and selection criteria in uDeploy?
Similar to resource groups, agent pools help you organize and manage agents that are installed in different environments. Agent pools distribute work among all pool members and…
How to use PDO to read data from the database?
1) Write the regular select statement and again, instead of values, put named placeholders. For example: [code language=”php”] $sql = "SELECT * FROM users"; [/code] 2) Prepare…
How to use PDO to insert data into the database?
The SQL code for the users table: [code language=”sql”] CREATE TABLE IF NOT EXISTS users (id int(11) NOT NULL AUTO_INCREMENT, name varchar(60) DEFAULT NULL, phone varchar(12) DEFAULT…
Do you know Container Linux (CoreOs) and Tectonic journey towards OpenShift?
The CoreOS corporation was acquired by Red Hat in May 2018 for $250 million; post-acquisition, the main enterprise Container Linux distribution, combined with Red Hat’s similar Project…
INCREASE WEBSITE LOADTIME
How to Increase Website loadtime and Page Speed ? Click Here… Click Here …. Some Website to Check Other Website Performance. Click Here…. Click Here…. Rajesh KumarI’m Rajesh Kumar, a DevOps,…
Docker Error: JOB FOR DOCKER.SERVICE FAILED BECAUSE THE CONTROL PROCESS EXITED WITH ERROR CODE
[root@localhost ~]# systemctl restart docker Job for docker.service failed because the control process exited with error code. See “systemctl status docker.service” and “journalctl -xe” for details. [root@localhost…
TURN OFF DISPLAY ERROR IN PHP
Method 1 & 2 & 3 https:///…-standards-error-fix Method 4 error_reporting(0); ini_set(‘display_errors’, ‘0’); # don’t show any errors… error_reporting(E_ALL | ~E_STRICT); # …but do log them…
HOW TO OPEN ALL FILES IN A FOLDER USING NOTEPAD ++
These are the steps to open a folder using Notepad ++ Step 1: Click on View Menu –> Project –> Project Panel 1 Step 2: Click on Workspace…
Certified Kubernetes Administrator CKA Exam Curriculum
Certified Kubernetes Administrator CKA Exam Curriculum Reference https://www.cncf.io/certification/cka/ https://github.com/certifications-tutorials/kubernetes-curriculum Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge,…
Where can I practice splunk search commands for free?
For newbies Splunk has provided Splunk free online sandbox where you can try splunk and practice on it. Below is link for splunk online sandbox.You need to…
Login to linux ansible remote server enabled with LDAP using SSH?
Here is the scnario which we tried last week with Pranav Goel in order to login the Ansible remote server which is enlabe with LDAP and become…
Ansible Role Project 1
Step 1 – Create a role which has following specification. Install a webserver httpd # use role/vars/ Add cond…httpd should be done only if RHEL. Copy a…
Ansible Tower Administration Guide
Ansible Tower Support – If you have paid membership, you can contact the support team at https://access.redhat.com How to understand Ansible Tower Subscription Types Self-Support Enterprise: Standard…
Ansible Variable Lab & Excercise – Part 6
Assigment 1 – Create a playbook and setup a webserver(httpd) and use httpd as a variable decalared in role var file Assigment 2 – Create a playbook…
Ansible Variable Lab & Excercise – Part 5
Assigment 1 – Create a playbook and setup a webserver(httpd) and use httpd as a variable decalared in inventory. Assigment 2 – Create a playbook and setup…
Understanding the difference between AWS Root, Administrator & Power User?
The AWS Account Root User When you first create an Amazon Web Services (AWS) account, you begin with a single sign-in identity that has complete access to…
Understanding about Amazon EC2 Key Pairs
Amazon EC2 uses public–key cryptography to encrypt and decrypt login information. Amazon EC2 stores the public key only, and you store the private key. The public and…
Limitations of volumes you can attach to one aws ec2 instance?
Linux-Specific Volume Limits – 40 volumes Windows-Specific Volume Limits – AWS PV – 26 Citrix PV – 26 Red Hat PV – 17 Instance Type Limits C5,…
Terraform Variables and Configuration explained – 5 mins reading!
 There are broadly 3 ways to configure/declare variables in Terraform. This section will focus on only on Input variables and Environment variables. Input variables Environment variables…