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Ubuntu18.04系统中如何安装json文本处理器jq
如何安装命令行浏览器elinks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/2023-10-31/17394852c654e.jpg) 2.安装elinks,等待安装完成 **apt-get install elinks** ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/17394844c0606.jpg)
Ubuntu18.04系统中如何安装命令行浏览器elinks
如何安装命令行浏览器elinks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/2023-10-31/17394852c654e.jpg) 2.安装elinks,等待安装完成 **apt-get install elinks** ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/17394844c0606.jpg)
Ubuntu下卸载vsftpd出现dpkg报错处理方法
1.卸载vsftpd出错 apt remove vsftpd Reading package lists... Done Building dependency tree... Done Reading state information... Done The following package was automatically installed and is no longer required: ssl-cert Use 'apt autoremove' to remove it. The following packages will be REMOVED: vsftpd 0 upgraded, 0 newly installed, 1 to remove and 56 not upgraded. 1 not fully installed or removed. After this operation, 326 kB disk space will be freed. Do you want to continue? [Y/n] Y (Reading database ... 105321 files and directories currently installed.) Removing vsftpd (3.0.5-0ubuntu1) ... dpkg: error processing package vsftpd (--remove): Processing was halted because there were too many errors. E: Sub-process /usr/bin/dpkg returned an error code (1) ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/173542f224bde.jpg) 2.解决方法 \# 手动删除用户ftp sudo deluser --system ftp ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/173542fb0f573.jpg) 如果提示 `The user `ftp' is not a system user. Exiting.`,可以执行一下命令 sudo deluser ftp \# 删除vsftpd sudo apt remove vsftpd
Ubuntu系统如何安装跟使用tcping命令
1.安装所需要的依赖包 apt-get install tcptraceroute bc -y ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/1733488c7ef15.jpg) 2下载tcping工具 wget http://www.vdberg.org/~richard/tcpping -O /usr/bin/tcping ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/173348988a089.jpg) 3设置tcping权限 chmod +x /usr/bin/tcping 4测试工具可用性 tcping www.baidu.com 443 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/173348277f4ec.jpg)
解决Ubuntu下csv格式文件显示乱码问题
1.中文乱码问题 通过cat命令查看csv格式文件出现报错 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/1730586ce7566.jpg) 通过vi命令查看中文显示存在乱码问题 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/173058ed82f30.jpg) 2.解决方法 通过iconv命令转换文件编码 示例:iconv -f GBK -t UTF-8 源文件 -o 输出文件 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/1730589ae3a18.jpg) iconv -f GBK -t UTF-8 site_sum.csv -o site_sum_encode.csv 3.查看转换后输出的文件 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/1730584025f14.jpg)
Ubuntu18.04系统中如何用arping命令测试网络
如何用arping命令测试网络呢?本文给出详细说明。 1.arping命令测试网络 **arping 目标地址** ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/172718b9ef2c5.jpg) **说明:**arping命令效果类似于ping,但是用的是arp协议而非icmp协议
Ubuntu18.04系统中如何安装arp包过滤工具arptables
如何安装arp包过滤工具arptables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/2023-10-31/17235506acf8f.jpg) 2.安装arptables,等待安装完成 **apt-get install arptables** ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/1723553b80a06.jpg)
Ubuntu18.04系统中如何安装用户查找工具finger
如何安装用户查找工具finger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/2023-10-31/172017a70cf5b.jpeg) 2.安装finger,等待安装完成 **apt-get install finger** ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-31/172007c3334f1.jpg)
Windows 7中Local Settings文件拒绝访问如何打开
当我们打开Local Settings文件拒绝访问时。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/174014bbedcc2.jpeg) 第一步,Local Settings文件右键,在菜单栏中选择-属性-运行。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/1740165d2f211.jpeg) 第二步,在Local Settings属性中选择安全>高级>Local Settings的高级安全设置>Everyone>更改权限。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/174018cf65926.jpeg) 第三步,在Local Settings的高级安全设置的权限窗口选择编辑>Local Settings的权限项目>勾选允许完全控制>确认>应用。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/174020ac59a0a.jpeg) 完成以上设置后,这时我们就可以打开Local Settings文件了。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/17402308f7af2.jpeg)
解决Windows系统提示user installations are disabled via policy on the machine错误
1.按下`Win+R`,打开运行界面,然后输入`gpedit.msc`然后回车确认。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/1738339b68b92.jpeg) 2.然后依次展开“计算机配置”-“管理模板”-“windows组件”-“windows Installer”然后在右侧找到“禁止用户安装”。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/173835a88f432.jpeg) 3.双击“禁止用户安装”然后选择“已禁用”再点击“应用”最后点击“确定”即可。 ![img](https://public-1251015552.cos.ap-guangzhou.myqcloud.com/Uploads/image/2023-10-18/173837fed8dde.jpeg)

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