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Archive for January, 2023

VIRSH: Virtualizing a Physical Rocky 8 Linux Machine

Let’s just jump right in into virtualizing a KVM based Physical Server using various KVM tools such as Virsh, Cockpit etc.  Will also introduce a twist by configuring bonding at the end, not the beginning, to document a retrofit to an existing environment. Begin by identifying how the various network interfaces that will make up […]

502 Bad Gateway The server returned an invalid or incomplete response.

Running into this error? 502 Bad Gateway The server returned an invalid or incomplete response. This error only popped up when keepalived was started.  Otherwise just with HAproxy, a timeout was seen. It appeared as if it was a keepalived config error.  In this case, it was due to a faulty HAproxy configuration: [root@jenkins01 jenkins]# diff […]

DHCPD and DHCLIENT: Routes and gateway disappear or go missing or get removed

On one of the Linux hosts, the routes were correctly populated: # route -n Kernel IP routing table Destination     Gateway         Genmask         Flags Metric Ref    Use Iface         UG    0   […]

ILO: Integrated Lights Out: Accessing Server Management and Console

HP ILO X is the Hewlett Packard server management Integrated Lights Out software running independently from the main circutry of the host itself.  It allows remote management including power on/off, status checks, console etc.  This post goes over how to access the iLO interface when newer browsers such as Chrome, FireFox and Edge don't support […]

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