Теперь получаю такую ошибку
Crash dump was written to: /var/log/ejabberd/erl_crash.dump
Kernel pid terminated (application_controller) ({application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}})
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* To quit, press Ctrl-g then enter q and press Return *
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{error_logger,{{2016,9,1},{6,31,18}},"Cookie file /var/lib/ejabberd/.erlang.cookie must be accessible by owner only",[]}
{error_logger,{{2016,9,1},{6,31,18}},crash_report,[[{initial_call,{auth,init,['Argument__1']}},{pid,<0.19.0>},{registered_name,[]},{error_info,{exit,{"Cookie file /var/lib/ejabberd/.erlang.cookie must be accessible by owner only",[{auth,init_cookie,0,[{file,"auth.erl"},{line,285}]},{auth,init,1,[{file,"auth.erl"},{line,139}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,304}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,227}]}]},[{gen_server,init_it,6,[{file,"gen_server.erl"},{line,328}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,227}]}]}},{ancestors,[net_sup,kernel_sup,<0.9.0>]},{messages,[]},{links,[<0.17.0>]},{dictionary,[]},{trap_exit,true},{status,running},{heap_size,610},{stack_size,24},{reductions,383}],[]]}
{error_logger,{{2016,9,1},{6,31,18}},supervisor_report,[{supervisor,{local,net_sup}},{errorContext,start_error},{reason,{"Cookie file /var/lib/ejabberd/.erlang.cookie must be accessible by owner only",[{auth,init_cookie,0,[{file,"auth.erl"},{line,285}]},{auth,init,1,[{file,"auth.erl"},{line,139}]},{gen_server,init_it,6,[{file,"gen_server.erl"},{line,304}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,227}]}]}},{offender,[{pid,undefined},{name,auth},{mfargs,{auth,start_link,[]}},{restart_type,permanent},{shutdown,2000},{child_type,worker}]}]}
{error_logger,{{2016,9,1},{6,31,18}},supervisor_report,[{supervisor,{local,kernel_sup}},{errorContext,start_error},{reason,shutdown},{offender,[{pid,undefined},{name,net_sup},{mfargs,{erl_distribution,start_link,[]}},{restart_type,permanent},{shutdown,infinity},{child_type,supervisor}]}]}
{error_logger,{{2016,9,1},{6,31,18}},std_info,[{application,kernel},{exited,{shutdown,{kernel,start,[normal,[]]}}},{type,permanent}]}
{"Kernel pid terminated",application_controller,"{application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}"}
Crash dump was written to: /var/log/ejabberd/erl_crash.dump
Kernel pid terminated (application_controller) ({application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}})