How To Install proftpd-mod-counter on Ubuntu 20.04
Introduction
In this tutorial we learn how to install proftpd-mod-counter
on Ubuntu 20.04.
What is proftpd-mod-counter
proftpd-mod-counter is:
The mod_counter module is designed to allow a sort of “locking” to be enforced when the same file is being uploaded or downloaded by multiple clients at the same time.
The mod_counter works by creating a SysV semaphore for a file being read/written, and placing a number of reader or writer “counters” in that semaphore. When the configured maximum number of counters is reached, the FTP command which seeks to add another reader/writer counter will be denied. This allows site to configure the maximum number of clients which can be reading/writing any file at one time.
There are three methods to install proftpd-mod-counter
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install proftpd-mod-counter Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install proftpd-mod-counter
using apt-get
by running the following command:
sudo apt-get -y install proftpd-mod-counter
Install proftpd-mod-counter Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install proftpd-mod-counter
using apt
by running the following command:
sudo apt -y install proftpd-mod-counter
Install proftpd-mod-counter Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install proftpd-mod-counter
using aptitude
by running the following command:
sudo aptitude -y install proftpd-mod-counter
How To Uninstall proftpd-mod-counter on Ubuntu 20.04
To uninstall only the proftpd-mod-counter
package we can use the following command:
sudo apt-get remove proftpd-mod-counter
Uninstall proftpd-mod-counter And Its Dependencies
To uninstall proftpd-mod-counter
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove proftpd-mod-counter
Remove proftpd-mod-counter Configurations and Data
To remove proftpd-mod-counter
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge proftpd-mod-counter
Remove proftpd-mod-counter configuration, data, and all of its dependencies
We can use the following command to remove proftpd-mod-counter
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge proftpd-mod-counter
References
Summary
In this tutorial we learn how to install proftpd-mod-counter
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.