awk -F"," '!_[$3]++' filename
NVME生命周期检查
需续签kubelet证书kubectl get csr -A | awk 'NR>1{print $1}' | xargs kubectl certificate approve
#统计第一列ip的个数（uniq -c 打印重复行count计数） cat ip.txt | awk '{print $1}' | sort | uniq -c | sort -rn | head -n 10#统计tcp连接状态个数 netstat -an | awk '/tcp/{print NF]} END {for(a in S) print a, S[a]}'#统计第一列ip的个数 awk
--- - hosts: gdy become: yes become user: root become method: sudo become flags: -i gather_facts: no vars: - disk_sh_dir: "/home/wangyan/playbook/vm"
k8s证书时间openssl x509 -noout -text -in /etc/kubernetes/pki/apiserver.crt | grep 'Not'etcd证书时间openssl x509 -in /etc/kubernetes/pki/apiserver-etcd-client.crt -noout -dates
Syntax：underscores_in_headers on | off; Default：underscores_in_headers off; Context：http,serverEnables or disables the use of underscores in client request header fields. When the use of underscore
find . -type f -newermt '2023-02-28 00:00:00' ! -newermt '2023-03-28 00:00:00' |xargs du -ch
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