infra | cloud | opensource
Ansible facts are nothing but some variables which are automatically discovered by the Ansible on managed hosts while running ansible adhoc commands or playbooks. See Automation with Ansible full chapters. Ansible Facts Examples Hostname...
Ansible / Automation / Infrastructre & Hardware / Scripts
by Gini Gangadharan · Published August 30, 2019 · Last modified September 3, 2019
Ansible Variables You can use variables in ansible plays to store values like users to create, packages to install etc. By using variables, you can manage your plays with dynamic input values. See Automation...
Cloud / How To / Infrastructre & Hardware / Network / Security
by Gini Gangadharan · Published August 8, 2019
You might be a Sysadmin, developer, DBA or whatever, logs are like treasure boxes for anyone working in IT. And the best practice to keep logs in a central location together with local copy....
You are browsing some sites or testing your own web applications, and suddenly you receive a white screen with some error number ! No worries, if you are getting some error message means, your...
Hello everyone, just a couple of month ago, Red Hat has released a shiny OpenShift 4 [1] based on CoreOS technology. In this guide, we going to see how we can install OCP4 UPI...
Ansible facts are nothing but some variables which are automatically discovered by the Ansible on managed hosts while running ansible adhoc commands or playbooks. See Automation with Ansible full chapters. Ansible Facts Examples Hostname...
Ansible / Automation / Infrastructre & Hardware / Scripts
by Gini Gangadharan · Published August 30, 2019 · Last modified September 3, 2019
Ansible Variables You can use variables in ansible plays to store values like users to create, packages to install etc. By using variables, you can manage your plays with dynamic input values. See Automation...
Cloud / How To / Infrastructre & Hardware / Network / Security
by Gini Gangadharan · Published August 8, 2019
You might be a Sysadmin, developer, DBA or whatever, logs are like treasure boxes for anyone working in IT. And the best practice to keep logs in a central location together with local copy....
You are browsing some sites or testing your own web applications, and suddenly you receive a white screen with some error number ! No worries, if you are getting some error message means, your...
Hello everyone, just a couple of month ago, Red Hat has released a shiny OpenShift 4 [1] based on CoreOS technology. In this guide, we going to see how we can install OCP4 UPI...
vCenter 6.5 backup using cron job We all know that vCenter appliance can be backed up using its GUI window to any external servers or storage that supports FTP, SCP or HTTPS ports. However...
What is smtpLib We can easily send email from python script using smtplib module, which defines an SMTP client session object that can be used to send mail to any Internet machine with an...
How To / Infrastructre & Hardware / Workplace
by Shibin John · Published June 12, 2019 · Last modified June 14, 2019
Servers used: RHEL 7.6 as NFS server & Windows 2016 as NFS Client In this scenario, we have NFS server up and running with shares mounted across different Linux clients. The requirement here is,...
INTRODUCTION Just like an RPM signing, container image singing can be used to verify authenticity of a container image created by users/developers throughout image life-cycle. The concept of verification are similar to RPM gpgcheck...
Careers / Infrastructre & Hardware / Technical Events
by Gini Gangadharan · Published February 25, 2019
Red Hat is offering its beginner level Linux course at no-cost; yes you heard it right – Its free ! Red Hat Enterprise Linux Technical Overview (RH024) is offering as Video Classroom and you...
