Ansible Core Yum Update RHEL
Scenario: Patching run yum update using Ansible to RHEL 6/7 remote machine System: RHEL 7, Ansible 2.6 (Callback and ansible log is active) Remote System: RHEL 6/7 (not using ssh…
Read more »Bash script to get list of expired local users on Linux
Scenario: How to get the list of expired local users on Linux. System : CentOS/RHEL 6/7 IP address: 192.168.99.11 Hostname : horse Steps: 1) Create the bash script file with…
Read more »Bash script to get list of local users on Linux
Scenario: How to get the list of normal users and System users in Linux. System : CentOS/RHEL 6/7 Steps: 1) Login as local users (work without login to root), example…
Read more »How to add sudo user on CentOS 7
Scenario: add sudo user on CentOS 7 System: CentOS 7 Steps to Create a New Sudo User – Log in to your server as the root user. – Use the…
Read more »Set JAVA_HOME/PATH environment variable on CentOS/RHEL
Scenario: Set JAVA_HOME/PATH environment variable on CentOS/RHEL System: CentOS/RHEL 6/7 – Set JAVA_HOME / PATH for a single user,example set up on user bachem 1) Check java path Refer to…
Read more »Limit memory usage per user on CentOS/RHEL
Scenario: How to limit memory usage per user on CentOS/RHEL System: CentOS/RHEL 6/7 I would like to cap the amount of memory the users on a server can use. The applications…
Read more »Install Apache Tomcat 8.5 on CentOS 7
Scenario: Install Apache Tomcat 8.5 on CentOS/RHEL 7 STEPS: 1) This scenario using Oracle Java. Login as root user then install Oracle Java.
Read more »Install MariaDB 10 on CentOS/RHEL 7
Scenario: How to install MariaDB on CentOS/RHEL 7 Steps: 1) Create MariaDB 10 repository. # vi /etc/yum.repos.d/MariaDB.repo On CentOS 7
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[mariadb] name = MariaDB baseurl = http://yum.mariadb.org/10.1/centos7-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB |
gpgcheck=1 On RHEL 7
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[mariadb] name = MariaDB baseurl = http://yum.mariadb.org/10.1/rhel7-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgcheck=1 |
Using Ansible Callback
Scenario: Set up Ansible callback to monitor running task on remote machine. Ansible system: CentOS 7, Ansible 2.6 Remote machines: Both have same root password 1. CentOS 7, ip address:…
Read more »Reset Root Password CentOS 7
Scenario: Reset root password CentOS/RHEL 7 System: CentOS/RHEl 7 Steps: 1) On first boot menu select first kernel(on top) then Press ‘e’
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