In this tutorial, How to Monitor Apache Performance using Netdata on Centos 7. Netdata is a free open source. It…
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How to Reset MariaDB root password on Centos: A Simple Guide
Table of Contents1 Introduction1.1 Check the version of the MariaDB server.2 How to reset MariaDB root password2.0.1 Stop MySQL/MairaDB service2.0.2…
Step-by-Step Guide to Install Tomcat7, Java 1.8, and Solr on CentOS 7
Table of Contents1 Introduction2 Install Tomcat7 java 1.8 and Sorl2.1 Install Java 1.8 and Tomcat 72.2 Download Ant and ivy…
Mastering the rev command in Linux: Reversing Text Lines
Table of Contents1 Introduction2 The syntax rev command in Linux3 For example rev command4 Conclusion Introduction In this guide, we’ll…
Install Active Directory Windows Server 2012 R2
Table of Contents1 Introduction2 I. Prepare3 II. Install4 III. Configure New DC (Domain Controler).5 Conclusion Introduction Setting up Active Directory…
Hide password in Jenkins console
Table of Contents1 Introduction2 Jenkins Mask Passwords plugin2.1 For example2.2 Link Youtube Hide password in Jenkins console3 ❓ Frequently Asked…
How to setup SSL/TLS connection for AWS RDS Oracle Database using SQL*PLUS, SQL Developer, JDBC
Table of Contents1 Introduction1.0.1 Prepare AWS RDS Oracle Database2 Modify the DB instance to change the CA from rds-ca-2015 to…
DevOps Use Docker to hands-on Ansible
Table of Contents1 Introduction2 DevOps Use Docker2.1 My Laptop Setup:2.2 Let go use Docker to hands-on Ansible2.2.1 Explain File and…
Jenkins on Linux AWS can not start
Today, I have installed Jenkins on Linux AWS can not start. Then start it, but an error as below. I…
Jenkins auto build when git commit
Table of Contents1 Introduction2 Step-by-Step Guide to Jenkins Auto Build on Commit2.1 Configuration Setup2.2 How to Install the Git and…