hydra command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

hydra: command not found

or when using sudo you get the following error message

sudo: hydra: command not found

Solutions to hydra: command not found

How To Fix hydra: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu hydra is provided by hydra package.

hydra is:

Hydra is a parallelized login cracker which supports numerous protocols to attack. It is very fast and flexible, and new modules are easy to add.

This tool makes it possible for researchers and security consultants to show how easy it would be to gain unauthorized access to a system remotely.

It supports: Cisco AAA, Cisco auth, Cisco enable, CVS, FTP, HTTP(S)-FORM-GET, HTTP(S)-FORM-POST, HTTP(S)-GET, HTTP(S)-HEAD, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MySQL, NNTP, Oracle Listener, Oracle SID, PC-Anywhere, PC-NFS, POP3, PostgreSQL, RDP, Rexec, Rlogin, Rsh, SIP, SMB(NT), SMTP, SMTP Enum, SNMP v1+v2+v3, SOCKS5, SSH (v1 and v2), SSHKEY, Subversion, Teamspeak (TS2), Telnet, VMware-Auth, VNC and XMPP.

To fix this problem, we can install more using the command below.

sudo apt-get -y install hydra

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install hydra.

sudo apt -y install hydra

Or if you have aptitude installed you can use the following command.

sudo aptitude install hydra

Summary

In this tutorial we learn how to fix hydra command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.