27 Dec 2023
常用命令tips

curl命令只需返回状态码

curl -o /dev/null -s -w "%{http_code}\n" www.baidu.com

git修改上次提交信息

git commit --amend -m "new msg"

pip安装时指定国内源

pip install -r requirements.txt --index-url https://pypi.tuna.tsinghua.edu.cn/simple

pip install -r requirements.txt --force-reinstall --index-url http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com

验证集群网络

kubectl run curl-test --image=curlimages/curl:latest -- sleep 3600
kubectl exec -it curl-test -- /bin/sh
curl -I https://www.google.com

kubectl run -i --tty --rm debug --image=busybox --restart=Never -- sh
nslookup google.com

nc -zv 10.175.134.143 80

kubectl run -i --tty --rm debug --image=quay.io/aoc/netshoot:latest --restart=Never -- sh

kubectl run -i --tty --rm debug --image=nicolaka/netshoot --restart=Never -- sh
kubectl run -i --tty --rm debug --image=quay.io/aoc/ee-aap-azure-sre:latest --restart=Never -- sh

podman info |egrep 'graphRoot|overlay'
sudo lvextend -L +1G /dev/mapper/rootvg-homelv
sudo xfs_growfs /home
df -hP /home/ansible/

find . -type f -name "*ingress*"

docker image国内镜像

docker pull ghcr.m.daocloud.io/fluxcd/source-controller:v1.2.4

登录aks节点

kubectl debug node/aks-nodepool1-37663765-vmss000000 -it --image=mcr.microsoft.com/cbl-mariner/busybox:2.0

chroot /host

nc链接db

nc -vz psql.database.azure.com 5432

psql链接数据库

psql -h xxx.rds.amazonaws.com -U username awx

查看数据库的当前活动连接数

select count(*) from pg_stat_activity where datname ='subsection'

LEo at 00:12

27 Dec 2023 常用命令tips

27 Dec 2023
常用命令tips