『Linux下FTP软件的卸载方法』

1. 确认FTP软件名称

在卸载FTP软件之前,需要先确认已经安装了哪个FTP软件,因为不同FTP软件的卸载方法略有不同。可以打开控制台输入以下命令查看已安装的FTP软件:

dpkg -l | grep ftp

执行上述命令后,控制台会输出已安装的所有FTP软件,例如:

ii ftp 0.17-33 amd64 classical file transfer client

ii lftp 4.7.3-1ubuntu1 amd64 Sophisticated command-line FTP/HTTP client programs

ii vsftpd 3.0.3-12ubuntu1 amd64 lightweight, efficient FTP server written for security

由此可以看到本机上安装的FTP软件名称分别为ftp、lftp和vsftpd。

2. 使用apt-get命令卸载FTP软件

2.1 卸载ftp

如果已确认需要卸载的FTP软件名称为ftp,则可使用以下命令进行卸载:

sudo apt-get remove ftp

执行上述命令后,控制台会输出卸载ftp软件的详细信息,如下所示:

Reading package lists... Done

Building dependency tree

Reading state information... Done

The following packages will be REMOVED:

ftp

0 upgraded, 0 newly installed, 1 to remove and 4 not upgraded.

After this operation, 197 kB disk space will be freed.

Do you want to continue? [Y/n] Y

(Reading database ... 274127 files and directories currently installed.)

Removing ftp (0.17-33) ...

Processing triggers for man-db (2.8.3-2ubuntu0.1) ...

执行完毕后,ftp软件就已经被完全卸载了。

2.2 卸载lftp

如果已确认需要卸载的FTP软件名称为lftp,则可使用以下命令进行卸载:

sudo apt-get remove lftp

执行上述命令后,控制台会输出卸载lftp软件的详细信息,如下所示:

Reading package lists... Done

Building dependency tree

Reading state information... Done

The following packages were automatically installed and are no longer required:

libfile-copy-recursive-perl libjs-sphinxdoc liblzo2-2 libpython-all-dev libpython-dev libpython2-dev libserf-1-1 libsilc-1.1-2 linux-headers-4.15.0-99 linux-headers-4.15.0-99-generic linux-image-4.15.0-99-generic

linux-modules-4.15.0-99-generic linux-modules-extra-4.15.0-99-generic unzip

Use 'sudo apt autoremove' to remove them.

The following packages will be REMOVED:

lftp

0 upgraded, 0 newly installed, 1 to remove and 4 not upgraded.

After this operation, 2,373 kB disk space will be freed.

Do you want to continue? [Y/n] Y

(Reading database ... 274123 files and directories currently installed.)

Removing lftp (4.7.3-1ubuntu1) ...

Processing triggers for man-db (2.8.3-2ubuntu0.1) ...

执行完毕后,lftp软件就已经被完全卸载了。

2.3 卸载vsftpd

如果已确认需要卸载的FTP软件名称为vsftpd,则可使用以下命令进行卸载:

sudo apt-get remove vsftpd

执行上述命令后,控制台会输出卸载vsftpd软件的详细信息,如下所示:

Reading package lists... Done

Building dependency tree

Reading state information... Done

The following packages were automatically installed and are no longer required:

libfile-copy-recursive-perl libjs-sphinxdoc liblzo2-2 libpython-all-dev libpython-dev libpython2-dev libserf-1-1 libsilc-1.1-2 linux-headers-4.15.0-99 linux-headers-4.15.0-99-generic linux-image-4.15.0-99-generic

linux-modules-4.15.0-99-generic linux-modules-extra-4.15.0-99-generic unzip

Use 'sudo apt autoremove' to remove them.

The following packages will be REMOVED:

vsftpd

0 upgraded, 0 newly installed, 1 to remove and 4 not upgraded.

After this operation, 124 kB disk space will be freed.

Do you want to continue? [Y/n] Y

(Reading database ... 274123 files and directories currently installed.)

Removing vsftpd (3.0.3-12ubuntu1) ...

Processing triggers for systemd (237-3ubuntu10.38) ...

Processing triggers for man-db (2.8.3-2ubuntu0.1) ...

执行完毕后,vsftpd软件就已经被完全卸载了。

3. 使用dpkg命令卸载FTP软件

如果使用apt-get命令无法卸载FTP软件,可以使用dpkg命令进行卸载。以下是dpkg命令卸载FTP软件的示例:

sudo dpkg -r ftp

执行上述命令后,控制台会输出卸载ftp软件的详细信息,如下所示:

(Reading database ... 274123 files and directories currently installed.)

Removing ftp (0.17-33) ...

Processing triggers for man-db (2.8.3-2ubuntu0.1) ...

以上示例中,ftp软件已被成功卸载。

如果使用dpkg命令卸载FTP软件时出现“未找到该软件包”的错误提示,则可以使用dpkg命令的--force-all参数进行强制卸载。以下是dpkg命令强制卸载FTP软件的示例:

sudo dpkg --force-all -r ftp

执行上述命令后,控制台会输出卸载ftp软件的详细信息,如下所示:

(Reading database ... 274123 files and directories currently installed.)

Removing ftp (0.17-33) ...

Processing triggers for man-db (2.8.3-2ubuntu0.1) ...

以上示例中,ftp软件已被成功卸载。

4. 总结

本文介绍了Linux下三种常见FTP软件的卸载方法,包括使用apt-get命令卸载、使用dpkg命令卸载和使用dpkg命令强制卸载。这些方法适用于大部分Linux发行版,可以方便快捷地卸载多余的FTP软件,释放磁盘空间,提高系统运行效率。

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