"libev.so.4() (64bit) is needed by httpress-1.1.0.2.el7.x86_64" Displayed When Installing Httpress on the Client

Symptom

The message "libev.so.4() (64bit) is needed by httpress-1.1.0.2.el7.x86_64" is displayed during the Httpress installation.

Key Process and Cause Analysis

The libev.so.4 dependency is required for installing Httpress. The libev.so.4 (64-bit) package can be installed only from the Extra Packages for Enterprise Linux source (EPEL, which is a software repository project maintained by the Fedora team and provides RHEL or CentOS with software packages that are not provided by default). Therefore, you only need to install this package to solve the problem.

Conclusion and Solution

1. Download the RPM package of libev.

   Download link:

   https://archives.fedoraproject.org/pub/archive/epel/7.2019-05-29/aarch64/Packages/l/libev-4.15-3.el7.aarch64.rpm

2. Upload the RPM package to the server.
3. Install libev.so.4 (64-bit).

   rpm -ivh libev-4.15-3.el7.aarch64.rpm

4. Reinstall Httpress.

   rpm -ivh httpress-1.1.0-2.el7.x86 64.rpm