dijeesh
/ Export Route53 Records
Created
April 16, 2019 12:03
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| Change xxxxxxxxxxx with your HOSTED-ZONE-ID | |
| aws route53 list-resource-record-sets --hosted-zone-id "/hostedzone/xxxxxxxxxxx" | \ | |
| jq -r '.ResourceRecordSets[] | [.Name, .Type, (.ResourceRecords[]? | .Value), .AliasTarget.DNSName?] | @tsv' |
dijeesh
/ Find unused security groups
Created
May 29, 2019 11:57
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| comm -23 <(aws ec2 describe-security-groups --query 'SecurityGroups[*].GroupId' --output text | tr '\t' '\n'| sort) <(aws ec2 describe-instances --query 'Reservations[*].Instances[*].SecurityGroups[*].GroupId' --output text | tr '\t' '\n' | sort | uniq) |
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| EKS clusters created from 1.12 onwards use a config file (by mounting a configmap called kube-proxy-config | |
| If you are updating a cluster that was originally created on < 1.12, you will need to updated the kube-proxy configmaps and daemonsets. | |
| 1. Create kube-proxy-config configmap | |
| kubectl -n kube-system apply -f kube-proxy-config.yaml | |
| 2. Update kube-proxy configmap, replace the server: with your API Server endpoint details and apply. |
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