I extracted a few points to grasp the rough idea of how Kubernetes manages resources QoS: Pods that need to stay up reliably can request guaranteed resources, while pods with less stringent requirements can use resources with weaker or no guarantee. If a pod is successfully scheduled, the container is guaranteed the amount of resources … Continue reading Resources QoS in Kubernetes
HTTP Error 403 of Rancher server 2.0 preview
If you see the following error when run Rancher server 2.0 preview, it could be caused by your proxy. This is NOT the proxy settings in the docker daemon but the one inside the container itself. I noticed that Rancher server 2.0 tries to download some machine drivers when boots up, it returns the 403 … Continue reading HTTP Error 403 of Rancher server 2.0 preview
AWS per-second billing for Linux EC2 and EBS
A couple days ago I wrote a post to compare what Google Cloud offers, but AWS currently does not support. One of them is that Google charges VM usage per-minute, but AWS charges per-hour. But now the game is changing, as AWS just announced today that 'Effective October 2nd, usage of Linux instances that are … Continue reading AWS per-second billing for Linux EC2 and EBS
What GCP offers but AWS does not?
A quick summary of what I have found out in Google Cloud Summit Sydney yesterday. GCP GCE offers pay-per-minute (minimum 10 minutes charge), AWS EC2 charges pay-per-hour GCP GCE offers customisable instance spec (up to 64 cores, 416G RAM), AWS EC2 only supports fixed instance spec. GCP GCE support live migration, AWS does not support … Continue reading What GCP offers but AWS does not?
Bypass WordPress Admin in Akamai
We use mini orange SAML plugin for wordpress SSO. I noticed it for many times that another user's name is showing in the dashboard ribbon after I logged in. It changes to my name after I click the 'Edit my profile'. So I guess it could be Akamai caching related. I have added the following … Continue reading Bypass WordPress Admin in Akamai
