JDK1.8u222的cpu获取方式intOSContainer::active\_processor\_count(){intquota\_count0,share\_count0;intcpu\_count,limit\_count;intresult;cpu\_countlimit\_cou

RocketMQ语雀思维导图，正在补充中https://www.yuque.com/docs/share/e2026b52c23c410a8a77f0eddf802a33?（密码：fy99）《rocketMQ》

查看当前系统时间dateR如果不是东八区，那么就接着要调整调整时区tzselect过程略，选择 Asia中国（China)北京(Beijing)拷贝配置生效sudocp/usr/share/zoneinfo/Asia/Shanghai/etc/localtime

相关文件：模板文件：/usr/share/doc/dhcp3.0.5/dhcpd.conf.sample配置文件：/etc/dhcpd.conf租约文件：/var/lib/dhcpd/dhcpd.leases相关rpm包：dhcp3.0.518.e15.i386.rpmdhcpv6

在Docker中启动ElasticSQL命令行/usr/share/elasticsearch/jdk/bin/javacpelasticsearchsqlcli7.9.0.jarorg.elasticsearch.xpack.sql.cli.Cli发现乱码，加上参数，解决乱码问题

https://www.toutiao.com/a6801291483048575491/?tt\_fromweixin&utm\_campaignclient\_share&wxshare\_count1&timestamp1583567582&appnews\_article&utm\_sourceweixin&utm\_mediumtou

pandas和SQL数据分析实战https://study.163.com/course/courseMain.htm?courseId1006383008&share2&shareId400000000398149(https://www.oschina.net/action/GoToLink?urlhtt