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Ubuntu18.04系统中如何用modinfo命令显示模块详细信息
如何用modinfo命令显示模块详细信息?本文给出详细说明。 1.modinfo命令可以显示模块详细信息:`modinfo 模块名` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/095318f8a5944.jpg)
Ubuntu18.04系统中如何安装lhasa
如何安装lhasa呢?本文给出详细说明。 1.更新apt资源:`sudo apt-get update` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0949495b14f61.jpg) 2.安装lhasa,等待安装完成:`apt-get install lhasa` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0949499c9742f.jpg)
Centos7.6如何查看已安装的软件
1.使用该命令可查看系统安装的软件个数:`rpm -qa | wc -l` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/094748fc99e10.jpg) 2.使用该命令可查看系统安装的软件列表:`rpm -qa | sort` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0947481ac40ec.jpg)
Centos7.6如何解决挂载磁盘到已有文件目录下原文件不见问题
1.使用该命令创建临时目录:`mkdir /new` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/094425ffdabf0.jpg) 2.使用该命令将磁盘挂载到临时目录:`mount /dev/sdb1 /new` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/094425a80fe6d.jpg) 3.使用该命令将目标目录所有数据复制到临时目录:`cp -R /home/* /new` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/094425b623bbc.jpg) 4.使用该命令可以腾出空间给原来的磁盘:`rm -rf /home/*` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0944253627c3e.jpg) 5.使用该命令解除挂载:`umount /new` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0944257c7cd3b.jpg) 6.使用该命令删除临时目录:`rm -rf /new` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0944258c19cf2.jpg) 7.使用该命令挂载目标目录到磁盘:`mount /dev/sdb1 /home` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/094426319a80a.jpg)
Centos7.6如何修改挂载新目录
1.使用该命令查看分区情况和数据盘名称:`df -h` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/093850abf3204.jpg) 2.使用该命令创建新的目录用于挂载:`mkdir /data` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/093850bcd7b7a.jpg) 3.使用该命令卸载已挂载的mnt目录:`umount /mnt` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/093850b64d7c6.jpg) 4.使用该命令挂载到data目录:`mount /dev/sdb1 /data` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/093850f1c27b5.jpg) 5.使用该命令进入vi编辑:`vi /etc/fstab` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/093850d070700.jpg) 6.修改相应目录信息即可:`/dev/sdb1 /data ext4 defaults 0 0` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0938500f295ee.jpg)
Centos系统使用dmesg命令查看内存占用情况
1.输入`dmesg`可以看到系统启动时内核输出的大量信息,包括内存、CPU、硬件设备等信息。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09352338dfa15.jpg) 2.输入`dmesg | grep Memory`查看内存情况 **说明**:Memory 说明内存可用情况。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0935232e94062.jpg)
Centos系统使用pidof命令查看指定进行的pid
1.使用“pidof 进程名称”来查找指定进程的id号,本文以sshd进程为例子输入`pidof sshd`进行查看。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09212356395d3.jpg) 2.输入`pidof -s sshd`只返回sshd同名进程的一个PID。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/0921238bc70ec.jpg)
Windows7系统如何安装NET Framework 4.6版本
1.打开链接下载NET Framework 4.6离线安装包:[NET Framework 4.6离线安装包](https://www.microsoft.com/en-us/download/details.aspx?id=48137 "NET Framework 4.6离线安装包") **注意:**安装NET Framework 4.6需要下载离线安装包才可以成功安装。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/091700c94e514.jpg) 2.下载好后双击运行该程序,等待程序执行安装即可。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/091700324b4c4.jpg) ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/091700f888b41.jpg) 3.等待安装完成后`Win + R`,打开运行窗口输入`cmd`然后回车打开“命令提示符”输入`wmic product where "Name like 'Microsoft .Net Framework%'" get Name, Version`查看当前NET Framework 版本信息。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09170027ee121.jpg) ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09170008c2ebf.jpg) ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09170092f8bdd.jpg)
Windows系统使用systeminfo命令显示机器配置
1.使用快捷键`Win+R`打开运行窗口,然后输入`cmd`然后回车确认。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09125612942a4.jpg) 2.输入`systeminfo`来显示关于计算机及其操作系统的详细配置信息。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09125671f9b60.jpg)
解决Windows系统WmiPrvSE.exe进程占用CPU高的问题
1.使用快捷键`Win+R`打开运行窗口,然后输入`Services.msc`然后回车确认。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/09101380d0d27.jpg) 2.找到“Windows Management Instrumentation”服务,然后右键进程,选择“重新启动”。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/091013e3732fc.jpg) ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-12-01/091013f6d22c3.jpg)

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