Chris Kim Oats87
Oats87
/ set-up-rke2-bin.sh
Created
May 27, 2021 18:01
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| export KUBECONFIG=/etc/rancher/rke2/rke2.yaml; export PATH=$PATH:/var/lib/rancher/rke2/bin |
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| #!/bin/bash | |
| REPO=${REPO:-rancher} | |
| IMAGE=${IMAGE:-rancher-agent} | |
| TAG=${TAG:-v2.5.1-rc1} | |
| DESTREPO=${DESTREPO:-oats87} | |
| DESTIMAGE=${DESTIMAGE:-$IMAGE} | |
| DESTTAG=${DESTTAG:-$TAG} |
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| #!/bin/sh | |
| sed -i "/\b\UUID\b/d" /etc/sysconfig/network-scripts/ifcfg-ens192 | |
| rm -vf /etc/ssh/ssh_host_* | |
| systemctl stop systemd-journald.socket | |
| find /var/log -type f -exec rm {} \; | |
| rm -rf /var/log/journal/* | |
| rm /root/.bash_history; history -c | |
| systemctl poweroff |
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| for i in $(kubectl get state -n hobbyfarm | awk '{print $1}' | grep -v "NAME"); do kubectl -n hobbyfarm patch state $i -p '{"metadata":{"finalizers": []}}' --type=merge; done |
Oats87
/ find-hung-resources
Created
January 6, 2020 23:59
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| etcdctl get / --prefix --endpoints=${ETCDCTL_ENDPOINTS} --keys-only | grep ${NAMESPACE} |
Oats87
/ active-rancher-controller.sh
Created
December 13, 2019 18:09
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| kubectl get configmap -n kube-system cattle-controllers -o json | jq -r '.metadata.annotations["control-plane.alpha.kubernetes.io/leader"]' | jq -r ".holderIdentity" |
Oats87
/ centos-node-prep.sh
Created
October 8, 2019 20:25
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| fdisk /dev/sdb | |
| mkdir /var/lib/docker | |
| echo $(blkid /dev/sdb1 | awk '{print $2}' | sed -e 's/"//g') /var/lib/docker ext4 defaults 0 0 >> /etc/fstab | |
| sed -i 's/\/dev\/mapper\/centos-swap/#\/dev\/mapper\/centos-swap/g' /etc/fstab | |
| mount -a | |
| reboot |
Oats87
/ sysctl.conf
Last active
October 8, 2019 20:31
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| cat << EOF >> /etc/sysctl.conf | |
| net.bridge.bridge-nf-call-iptables = 1 | |
| net.bridge.bridge-nf-call-ip6tables = 1 | |
| net.core.somaxconn = 32768 | |
| EOF |
Oats87
/ docker.json
Last active
October 8, 2019 20:32
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| mkdir /etc/docker | |
| cat << EOF > /etc/docker/daemon.json | |
| { | |
| "log-driver": "json-file", | |
| "log-opts": { | |
| "max-size": "10m", | |
| "max-file": "6" | |
| } | |
| } | |
| EOF |
Oats87
/ invalidate-service-account-tokens-and-restart-all-pods.sh
Last active
September 11, 2019 06:13
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| #!/bin/bash | |
| export KUBECONFIG=$(pwd)/kube_config_cluster.yml | |
| IFS=$'\n'; for i in $(kubectl get secrets --all-namespaces | grep "service-account-token"); do ns=$(echo $i | awk '{print $1}'); sec=$(echo $i | awk '{print $2}'); kubectl patch secret -n $ns $sec -p '{"metadata":{"finalizers": []}}' --type=merge && kubectl delete secret $sec -n $ns --wait=false; done | |
| IFS=$'\n'; for i in $(kubectl get pods --all-namespaces | grep -v "NAME"); do ns=$(echo $i | awk '{print $1}'); pod=$(echo $i | awk '{print $2}'); kubectl delete pod $pod -n $ns --wait=false; done |