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Month: September 2021

September 29, 2021 6 minutes read UML 2.0

UML Association vs Aggregation vs Composition with EXAMPLE

Relationships in UML diagram are used to represent a connection between various things. A relationship is a connection amongst things such as structural, behavioral, or grouping things in the unified modeling language. Following are the different types of standard relationships

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chihong
September 29, 2021 2 minutes read Tutorials

OpenVPN Centos 7/8 – Firewall and Routing Configuration

Set Firewall Rules 1. Start by checking your active firewalld zone: firewall-cmd --get-active-zones The output will show your firewalld zone. In the example below, it is public. 2. Add the openvpn service to the list of services firewalld allows within the active zone. The active

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chihong

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The founder of A-Works, Inc, an Elite Author on Envato. The world leading market for WordPress themes and plugins.

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