Modifying ProxyAddresses attribute for a user in Powershell

Getting the current ProxyAddresses attribute value for a user in Powershell :

Get-ADUser -Filter 'Name -like "*username*"' -Properties ProxyAddresses

 

Setting several values for ProxyAddresses attribute :

Set-ADUser -Identity username -add @{Proxyaddresses="SMTP:username@domain",

"smtp:alias1@domain","smtp:alias2@domain"}

 

 

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yum-security

yum-security is a plugin to the Red Hat Entreprise Linux package manager yum. It helps installing only security updates (RHSA) (as opposed to bug fixes (RHBA) or enhancements (RHEA)).
Explanation of RHSA, RHBA and RHEA advisories

RHEL 7 : yum-security is part of yum

RHEL 6 : yum install yum-plugin-security

    List all available erratas without installing them :

    yum updateinfo list available

    List all available security updates without installing them :

    yum updateinfo list security all
    yum updateinfo list sec

    List of the currently installed security updates :

    yum updateinfo list security installed

More examples are available in this Red Hat KB article

Getting more details about Red Hat Security Advisories and related CVEs

Two links for an in-depth explanation regarding Red Hat backporting security fixes process as well as compatibility between Red Hat security advisories and Mitre CVEs.

Backporting Security Fixes

Red Hat and CVE compatibility

Red Hat provides free access to two databases for errata and for CVE referenced in Red Hat products :

Red Hat Product Errata database

Red Hat CVE Database