March 2020
Intermediate to advanced
626 pages
14h 45m
English
Content preview from Mastering Service Mesh
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Installing a load balancer
Managed Kubernetes services such as Google or IBM Cloud will provide an external load balancer. Since our Kubernetes environment is standalone, we do not have an external load balancer; we install and use keepalived as a load balancer.
The keepalived load balancer depends on the ip_vs kernel module to be loaded. Follow these steps:
- Make sure that the ip_vs kernel module is loaded:
$ sudo lsmod | grep ^ip_vsip_vs_wlc 12519 0ip_vs 145497 2 ip_vs_wlc
- If the preceding does not show any output, load the module:
$ sudo ipvsadm -lnIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn
- Run sudo lsmod | grep ^ip_vs to make sure that ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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