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Posts by : Varad Gupta

Author / 6 Posts
Varad has over 15 years of experience as a system architect, where his bread and butter business is architecture design, configuration and deployment of Linux clusters, load balancers, messaging solutions, Linux-based domain controllers and LDAP, Virtualisation (KVM), databases, network architectures, et al. When he's some time off from his 18-hours-a-day work grind, he loves to fill in as a trainer and writer.
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In this article, we shall discuss Nagios, an open source software that is deployed in most data centres to monitor various system and network …

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In this article, we will explore LDAP concepts such as schema, ObjectClasses and attributes — these will help us build an LDAP server capable …

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In the second part of the series on OpenLDAP, we’ll cover rootdn password encryption with slappasswd, understand slapd.conf file structure, disable anonymous directory reads, …

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Let us begin this series on LDAP by setting up OpenLDAP on our machines and unravelling its mysteries as the series progresses. OpenLDAP is …

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In the previous article in this series, we looked at allow rules in an SELinux policy. This month we’ll discuss SELinux error logs in order to decipher them and take corrective action.

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Let’s explore SELinux modes, and learn a few commands that will help in understanding SELinux policies better.