技术周报记录-2019第13周

1 Linux下grep显示前后几行信息
https://www.cnblogs.com/mfryf/p/3336288.html
eg:
grep -C 10 zookeeperServers conf/proxy.conf

2 网络ACL
https://baike.baidu.com/item/ACL/362453?fr=aladdin

3 ProtoBuf
https://www.jianshu.com/p/a24c88c0526a

4 openssl、x509、crt、cer、key、csr、ssl、tls 这些都是什么鬼?
https://www.cnblogs.com/yjmyzz/p/openssl-tutorial.html

5 PEM文件(pem是一种文件格式)
https://blog.csdn.net/crjmail/article/details/79095385
https://blog.csdn.net/Hi_Boy_/article/details/79466652
cacert.pem (数字证书)
cert.pem 证书(证书公钥?)
key.pem 私钥

6 kafka的几种消费方式,自动提交;手动提交
https://blog.csdn.net/qq_35349490/article/details/79790625

7 kafka常用的命令
http://orchome.com/454
https://blog.csdn.net/jiankunking/article/details/78726695
查看kafka的版本
sudo -u docker find ./libs/ -name ‘kafka_*.jar.asc’ |head -n1 | cut -d’/’ -f3

8 发现kafka消息丢失后的排查
https://www.jianshu.com/p/ec93eb4f7733

9 Kafka HA Kafka一致性重要机制之ISR(kafka replica)
https://blog.csdn.net/qq_37502106/article/details/80271800

10 git回滚
https://blog.csdn.net/javahongxi/article/details/79500697

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