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Debian系统iftop的安装跟使用
1.输入:`apt-get update` 更新软件列表。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-08/1626232f6d867.jpg) 2.然后输入:`apt-get install iftop` 安装iftop。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-08/16262386e7522.jpg) 3.执行完成后输入:`iftop`执行运行。 说明:其中中间的<= =>这两个左右箭头,表示的是流量的方向。 TX:传送流量 RX:接收流量 TOTAL:总流量 Cumm:执行iftop到目前时间的总流量 peak:流量峰值 rates:分别表示过去 2s 10s 40s 的平均流量 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-08/162623f71e185.jpg)
Centos7.6如何安装使用tcping命令
![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-08/1614448242746.jpg) 1.输入该命令按回车键:`yum install tcping -y` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-08/161444273c742.jpg) 2.安装该格式方式输入后按回车键即可:`tcping 地址 端口` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-08/161444c1ba392.jpg)
Ubuntu 18.04如何安装Chrome
1.输入该命令按回车键:`wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1148075ef69c0.jpg) 2.输入该命令按回车键:`apt install gdebi -y` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/114807abbbec4.jpg) 3.输入该命令按回车键:`gdebi google-chrome-stable_current_amd64.deb`,根据提示输入`y`按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1148071d5676f.jpg) 4.输入该命令按回车键查看Chrome版本号:`google-chrome --version` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/114807735fc8c.jpg)
Ubuntu 18.04如何升级为Ubuntu 20.04
1.输入该命令按回车键:`sudo apt update` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/114523f1882be.jpg) 2.输入该命令按回车键:`sudo apt upgrade` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1145235099a14.jpg) 3.按照提示输入`Y`按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/114523b768afe.jpg) 4.按照默认选项按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/114523e5a174b.jpg) 5.输入该命令按回车键:`sudo do-release-upgrade -c` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1145232035202.jpg) 6.输入该命令按回车键:`reboot` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11452397a0e6e.jpg) 7.输入该命令按回车键:`sudo do-release-upgrade` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11452344d8a1f.jpg) 8.按照提示输入`y`按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1145232db8412.jpg) 9.按照提示按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1145237f1eac1.jpg) 10.按照提示输入`y`按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1145230ca71a2.jpg) 11.按照提示输入`y`按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11452488cdec6.jpg) 12.按照提示输入`y`按回车键 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11452457b9d91.jpg) 13.输入该命令按回车键:`lsb_release -a` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1145244ca7072.jpg)
Windows server 2016如何解决进程服务主机本地系统资源占用高问题
1.打开“运行”,输入`services.msc`,点击“确定” ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11435347b0eba.jpg) 2.找到服务Connected User Experiences and Telemetry,双击选项 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11435314d23af.jpg) 3.点击“停止” ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11435399b03da.jpg) 4.设置启动类型为禁用,点击“应用”。然后重启系统即可 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1143533571baf.jpg)
Ubuntu中wget命令-o、-O、-O-有什么区别
1.wget -o 命令 用于记录下载过程信息,并存入日志文中 示例:wget -o log文件 url链接 wget -o output.log http://www.vdberg.org/~richard/tcpping ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/114022992b2c9.jpg) 2.wget -O 命令 用于名命保存下载的文件内容,并且可以指定下载的位置 示例:wget -O 路径+文件名 url链接 wget http://www.vdberg.org/~richard/tcpping -O /usr/bin/tcping ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1140223d73407.jpg) 3.wget -O- 命令 下载过程信息和下载文件均输出到终端 示例:wget -O- url链接 wget -O- bench.sh ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/114022c2344ec.jpg)
Ubuntu通过dpkg-reconfigure设置时区
1.打开tzdata设置页面:`dpkg-reconfigure tzdata` 2.选择区域,可以通过首字母进行快速定位,选中后回车 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11384368259f8.jpg) 3.选择对应时区后回车即可 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1138439257587.jpg) 4.设置后会提示当前的时区信息 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/1138432366cc0.jpg) 5.通过timedatectl查看机器时区进行验证 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113843a8fa084.jpg)
Centos7.6如何安装rpm包管理工具dnf
1.更新yum源:`yum update` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113450f30e648.jpg) 2.安装dnf:`yum install dnf` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113450c02b0c1.jpg)
Windows10系统拨号提示已经建立了前一个宽带连接的解决方法
在windows10系统中如果拨号遇到已经建立了前一个宽带连接的提示应该如何解决呢?本文给出详细说明。 1.关闭错误提示 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113246585abc0.jpg) 2.右键此电脑--属性 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11324643b6ebb.jpg) 3.在打开的界面中双击设备管理器 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113246fdfa82a.jpg) 4.在弹出的界面中点开网络适配器,找到设备Wan Miniport(PPPOE) ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113246620c347.jpg) 5.右键设备Wan Miniport(PPPOE),选择禁用设备 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113246ae41f69.jpg) 5.重启机器,开机后选择启用设备 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113246dcc41ab.jpg) 6.重新拨号,可以发现拨号已经正常了 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113246f6966c8.jpg)
Ubuntu18.04系统中安装rpm包转换工具rpm2cpio
1.更新apt资源:`sudo apt-get update` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/113030fb613ab.jpg) 2.安装rpm2cpio,等待安装完成:`apt-get install rpm2cpio` ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2024-01-04/11303017b3c43.jpg)

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