(PA-6032) add ssh restart for Ubuntu

(PA-6032) Changes for Ubuntu 24

(PA-6032) Remove Ubuntu architecture

(PA-6032) Changes for Ubuntu and debian for ssh restart

lib/beaker/host/unix/exec.rb

@@ -278,6 +278,8 @@ def clear_env_var key
   # @return [Result] result of restarting the SSH service
   def ssh_service_restart
     case self['platform']
+    when /debian|ubuntu/
+      exec(Beaker::Command.new("systemctl restart ssh"))
     when /(el|centos|redhat|oracle|scientific)-[0-6]/
       exec(Beaker::Command.new("/sbin/service sshd restart"))
     when /solaris/
@@ -302,7 +304,7 @@ def ssh_permit_user_environment
       directory = tmpdir
       exec(Beaker::Command.new("echo 'PermitUserEnvironment yes' | cat - /etc/ssh/sshd_config > #{directory}/sshd_config.permit"))
       exec(Beaker::Command.new("mv #{directory}/sshd_config.permit /etc/ssh/sshd_config"))
-      exec(Beaker::Command.new("echo '' >/etc/environment")) if /ubuntu-2(0|2).04/.match?(self['platform'])
+      exec(Beaker::Command.new("echo '' >/etc/environment")) if /ubuntu-2(0|2|4).04/.match?(self['platform'])
     when /(free|open)bsd/
       exec(Beaker::Command.new("sudo perl -pi -e 's/^#?PermitUserEnvironment no/PermitUserEnvironment yes/' /etc/ssh/sshd_config"), { :pty => true })
     else