摘要: ClassLayout.parseInstance(t).toPrintable(); public class ObjectUseSpaceTest { private static class T{ int i; boolean b ; int k; String j ="55555555555 阅读全文
posted @ 2022-02-20 11:22 TIFOSI_Z 阅读(148) 评论(0) 推荐(0)
摘要: [root@localhost ~]# java -v Unrecognized option: -v Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program w 阅读全文
posted @ 2022-02-01 20:28 TIFOSI_Z 阅读(264) 评论(0) 推荐(0)
摘要: sudo yum install -y epel-release sudo yum install -y psmisc nc net-tools rsync vim lrzsz ntp libzstd openssl-static tree iotop #修改克隆虚拟机的静态ipsudo vim / 阅读全文
posted @ 2022-01-31 11:08 TIFOSI_Z 阅读(168) 评论(0) 推荐(0)
摘要: Emulate Docker CLI using podman. Create /etc/containers/nodocker to quiet msg. 先卸载podman和docker 然后重新安装 yum install https://download.docker.com/linux/c 阅读全文
posted @ 2022-01-30 15:44 TIFOSI_Z 阅读(3429) 评论(0) 推荐(0)
摘要: 自动搜索使用最快的镜像 如果你不希望像上文那样固定配置某一个镜像地址,也可以使用fastest mirror功能,由dnf自动搜索使用最快的镜像地址。centos8的dnf中已集成了此功能,在centos7的yum中这是需要单独安装插件使用的。此方法要求你能够访问 http://mirrorlist 阅读全文
posted @ 2022-01-29 14:20 TIFOSI_Z 阅读(233) 评论(0) 推荐(0)
摘要: feign调用远程接口报错 添加HttpMessageConverter配置 @Configuration public class FeignMessageConverterConfig { @Bean public MappingJackson2HttpMessageConverter cust 阅读全文
posted @ 2022-01-28 21:38 TIFOSI_Z 阅读(626) 评论(0) 推荐(1)
摘要: docker run --name mysql-first -d -p 3307:3306 -v /home/mysql/mysqlFirst/conf:/etc/mysql -v /home/mysql/mysqlFirst/data:/var/lib/mysql -v /home/mysql/m 阅读全文
posted @ 2022-01-28 14:31 TIFOSI_Z 阅读(70) 评论(0) 推荐(0)
摘要: 高版本数据库不能按照grant all privileges on *.* to "root"@"%" identified by "xxxx";去修改用户权限 mysql> grant all privileges on *.* to 'yuan'@'%' with grant option; Q 阅读全文
posted @ 2022-01-28 13:41 TIFOSI_Z 阅读(846) 评论(0) 推荐(0)
摘要: #centos8更新pippip3 install --upgrade pip 阅读全文
posted @ 2022-01-27 09:53 TIFOSI_Z 阅读(35) 评论(0) 推荐(0)
摘要: #添加用户密码sudo passwd sudo vim /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf#在50-unity-greeter.conf中添加 greeter-show-manual-login=true sudo vim 阅读全文
posted @ 2022-01-22 12:49 TIFOSI_Z 阅读(96) 评论(0) 推荐(0)