How to extend and reduce LVM logical volume management in Linux Operating Systems.
Automation
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Ansible tasks for Sysadmins with 25 examples
Ansible tasks are a set of actions, the number of tasks can be combined to form a playbook required for sysadmins in their daily routine operations.
Mail Servers
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Forcing the from address when Postfix relays over SMTP
Forcing the from address when Postfix relays over SMTP
Identity Server
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Setup a Linux server as IDM client to authenticate with Active Directory
Setup a Red Hat Enterprise Linux or CentOS Linux server as IDM Client to Authenticate with Active Directory using cross-forest trust.
Identity Server
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Integrating IDM with AD (Active directory) using indirect cross-forest trust
IDM with Active Directory using Indirect cross-forest trust will help to integrate both and act as an intermediator by providing a lot of features than AD.
Cloud & Containerization
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Docker Cheat Sheet for Sysadmins
Docker cheat sheet for sysadmins and developers will help to have a quick peek in the case for any future reference. This contains most of all docker options.
Cloud & Containerization
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How to Connect to Amazon EC2 Remotely Using SSH
Most of the new Amazon web service (AWS) users will be stuck with permission issue while launching an EC2 instance in AWS. This will help to fix it.
System Management
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Install FOG Imaging solution for Linux/Windows and Mac
Fog or “Free Open-Source Ghost” is an open source piece of cake used for imaging solution licensed under GPL.
Security
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How to start using SELinux or Security-Enhanced Linux
SELinux is one of security layer in Linux which protect the directory, files, process and ports with its own labels by preventing unauthorised access.
Security
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Generate a CSR Certificate Signing Request in Linux
Generating a Certificate Signing Request (CSR) for Secure Sockets Layer (SSL) Certificate required when we need to sign with a Certificate Authority (CA).