To install Kaspersky Security 8 for Linux Mail Server on the 64-bit Ubuntu 20.04 operating system, do the following:

1. Make sure that the server meets the system requirements.
2. Download the Kaspersky Security 8 for Linux Mail Server installer in the DEB format.
3. Install the glibc package. To do so, run the following commands:

dpkg --add-architecture i386
apt-get update
apt-get install libc6:i386 libcrypt1:i386

4. Run the following command:

locale-gen en_US.UTF-8

5. To install the application, run the command:

dpkg --force-architecture -i klms_<version_number>_i386.deb

6. If you want to install the package in another language, replace xx with a two-letter language code in the command below and run it. For example, sp for Spanish.

dpkg -i klms-110n-xx_<version_number>_all.deb

Kaspersky Security 8 for Linux Mail Server will be installed.

1. Make sure that the server meets the system requirements.
2. Download the Kaspersky Security 8 for Linux Mail Server web interface installer in the DEB format.
3. If you are using Apache versions, install and enable the following modules:
   • For Apache 2.2: mod_alias, mod_authz_host, mod_dir, mod_env, mod_expires, mod_headers, mod_rewrite, mod_ssl, mod_version.
   • For Apache 2.4: mod_alias, mod_authz_core, mod_dir, mod_env, mod_expires, mod_headers, mod_include, mod_rewrite, mod_ssl, mod_version.

4. Run the following command:

dpkg -i klmsui_<version_number>_amd64.deb

The web interface of Kaspersky Security 8 for Linux Mail Server will be installed.