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摘要: # lsusbBus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubBus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hubBus 001 Device 002: 阅读全文
posted @ 2019-01-13 17:30 emanlee 阅读(2033) 评论(0) 推荐(0)
摘要: As others have pointed out, XFS filesystem cannot be shrunk. So your best bet is to backup /home, remove and recreate its volume in a smaller size and 阅读全文
posted @ 2018-12-25 08:21 emanlee 阅读(4970) 评论(0) 推荐(1)
摘要: Under any linux system, you want to use the command du. (Disk Usage) Common usage is : du -sh file(s) name(s) or du -sh /path/to/dir/* du -sh . Replac 阅读全文
posted @ 2018-12-24 13:45 emanlee 阅读(293) 评论(0) 推荐(0)
摘要: 删除远程主机上MySQL中的一个数据库时,远程主机一直在响应,无法正常删除。这个问题的解决办法如下:在远程主机上登录MySQL,执行show full processlist;观察state和info两列,查看有哪些线程在运行。经过查询发现之前远程删除的时候由于网络中断,锁表了。所以导致再次登录的时 阅读全文
posted @ 2018-12-12 15:55 emanlee 阅读(1646) 评论(0) 推荐(0)
摘要: How to run Tomcat on Port 80 A standard Tomcat installation starts the webserver on port 8080 – which is usually not the desired behavior. In order to 阅读全文
posted @ 2018-12-08 10:47 emanlee 阅读(331) 评论(0) 推荐(0)
摘要: The ? is a wildcard which represents a single character, and the * is a wildcard character that represents any string of characters. When searching fo 阅读全文
posted @ 2018-12-07 22:11 emanlee 阅读(342) 评论(0) 推荐(0)
摘要: How to Install Apache Tomcat 8.5 on CentOS 7.3 From: https://www.howtoforge.com/tutorial/how-to-install-tomcat-on-centos/ This tutorial exists for the 阅读全文
posted @ 2018-12-07 12:59 emanlee 阅读(548) 评论(0) 推荐(0)
摘要: Centos 7 官网下载安装 mysql server 安装成功后重启mysql服务。 初次安装mysql,root账户没有密码。 设置密码 不需要重启数据库即可生效。 在mysql安装过程中如下内容: ​ 所以安装完以后mariadb自动就被替换了,将不再生效。 阅读全文
posted @ 2018-12-07 10:27 emanlee 阅读(1300) 评论(0) 推荐(0)
摘要: My favorite way is to pipe a sqldump command to a sql command. You can do all databases or a specific one. So, for instance, mysqldump -uuser -ppasswo 阅读全文
posted @ 2018-12-07 09:48 emanlee 阅读(298) 评论(0) 推荐(0)
摘要: 首先使用命令查看相关的是不是安装了vim:如下: [root@localhost conf]# rpm -qa|grep vim 出现如下的命令 vim-minimal-7.4.160-1.el7.x86_64 [root@localhost conf]# yum -y install vim* 则 阅读全文
posted @ 2018-12-02 22:44 emanlee 阅读(838) 评论(0) 推荐(0)
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