A Hundred Days of Virtualization

Day 19

All photos above property of the author and can be found here

vSphere Client - used to manage ESXi host directly.

1. NTP - all hosts need to point to a time server that point to a time service. Don't use vmtools to sync time.
2. DNS
3. other configurations
4. Syslog - logs rotate and are not maintained long by default. All important logs should be sent to a syslog server

*   VMware logs are maintained in /scratch/log, /var/log or /var/run/ log
*   Configuration/Software/Advanced settings/syslog/global
        -  under SYSLOG.global.logHost add loghost
        -  udp://ipaddress:port

screenshot from O'Reilly

Accessing ESXi

1. DCUI - direct
2. vSphere client - requirements 
         * windows OS and .net 3.5 sp1 
     * Open ports 903, 902 and 443
    3. SSH access - SSH is disabled by default and should be kept off until you need it.
     * Can be managed via DCUI, CLI, or either client.
     * You can use any SSH client to connect to the daemon
     * Enable from the host by configuration/software/security profile/services/SSH
     * Select the properties link > enable it
     * Open putty (or your favorite SSH client) and log in as root to access

    4. Management User interface
    5. Command Line - using SSH via Putty

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