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SSH Public Key Authentication to Access Linux (3)

SSH Public Key Authentication to Access Linux (3)

we will create a new user (user01) on an AWS Linux server (EC2), install the user's public key so that the user can use his/her private key to access [...]
SSH Public Key Authentication to Access Linux (2)

SSH Public Key Authentication to Access Linux (2)

This post demonstrates how to generate a public and private key pair using PuTTYgen on Windows; and how to convert a .pem ( Privacy Enhanced Mail cert [...]
VRF Route Leaking with MP-BGP: routing control for AWS transit VPC

VRF Route Leaking with MP-BGP: routing control for AWS transit VPC

The AWS transit VPC, which adopts a hub-spoke architecture to traverse traffic between other VPCs and on-premises, uses BGP as dynamic routing. VRF ro [...]
Jabber Deployment ‘Gotchas'(2): Contact Directory Search Why LDAP?

Jabber Deployment ‘Gotchas'(2): Contact Directory Search Why LDAP?

Despite Cisco supports both UDS and LDAP directory search, I'd recommend to use LDAP directory search only, due to the caveats associated with UDS sea [...]
Jabber Deployment ‘Gotchas'(1): Cisco Unified Communications Manager IM and Presence Centralised Deployment

Jabber Deployment ‘Gotchas'(1): Cisco Unified Communications Manager IM and Presence Centralised Deployment

The centralised deployment can provide IM and Presence services to multiple remote CUCM voice and video clusters. In a centralised deployment, the IM [...]
Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (4)

Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (4)

This is the final post in the Cisco IM&P and MS Lync Intradomain Federation series. We will cover two super important topics - certificates and tr [...]
Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (3)

Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (3)

This is the 3rd post in the Cisco IM&P and MS Lync Intradomain Federation series. We will focus on the MS Lync side of configuration in this blog. [...]
Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (2)

Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (2)

The previous blog provides the lab overview on integrating Cisco Jabber and Microsoft Lync so that Jabber and Lync users can communicate with each oth [...]
Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (1)

Step By Step Cisco IM&P and Microsoft Lync Intradomain Federation Lab (1)

When organisations migrate to Jabber, the Cisco instant messaging and presence (IM&P) solution, more often than not, they already have Microsoft Offic [...]
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