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+## Post install tasks
+
+### Package management
+
+#### :information_source: Introduction
+
+Package manager is a popular way to distribute software. It's also provide a privileged, central mechanism for the management of software on your operating system.
+
+#### :eight_pointed_black_star: Check package signatures
+
+###### RedHat/CentOS
+
+```bash
+# Edit '[main]' section in /etc/yum.conf
+gpgcheck=1
+```
+
+###### Policy
+
+| Type | Severity | Reference | Comment |
+| :---         | :---         | :---         | :---       |
+| <sup>OpenSCAP</sup> | <sup>High</sup> | <sup>[Ensure gpgcheck Enabled In Main yum Configuration ](https://static.open-scap.org/ssg-guides/ssg-centos7-guide-pci-dss.html#xccdf_org.ssgproject.content_rule_ensure_gpgcheck_globally_activated)<sup> | |
+| <sup>STIG</sup> | <sup></sup> | <sup></sup> | <sup></sup> |
+| <sup>CIS</sup> | | | <sup></sup> |
+
+#### :eight_pointed_black_star: Remove packages with known issues
+
+###### RedHat/CentOS
+
+```bash
+
+```
+
+###### Policy
+
+| Type | Severity | Reference | Comment |
+| :---         | :---         | :---         | :---       |
+| <sup>OpenSCAP</sup> | <sup></sup> | <sup><sup> | |
+| <sup>STIG</sup> | <sup></sup> | <sup></sup> | <sup></sup> |
+| <sup>CIS</sup> | | | <sup></sup> |
+
+#### :eight_spoked_asterisk: Useful resources
+
+
+
+#### :ballot_box_with_check: Summary checklist
+
+| <b>Item</b> | <b>True</b> | <b>False</b> |
+| :---        | :---:       | :---:        |
+|  | :black_square_button: | :black_square_button: |
+|  | :black_square_button: | :black_square_button: |