ERROR: for nginx-mailcow Cannot start service nginx-mailcow:

[MasterOP22]

Hi,

I have a problem to startup the docker container on a fresh ubuntu 18.04 installation. This is the error I get:

WARNING: The WATCHDOG_NOTIFY_EMAIL variable is not set. Defaulting to a blank string. Creating network "mailcowdockerized_mailcow-network" with driver "bridge" Creating mailcowdockerized_unbound-mailcow_1 ... done Creating mailcowdockerized_clamd-mailcow_1 ... done Creating mailcowdockerized_sogo-mailcow_1 ... done Creating mailcowdockerized_redis-mailcow_1 ... done Creating mailcowdockerized_solr-mailcow_1 ... done Creating mailcowdockerized_watchdog-mailcow_1 ... done Creating mailcowdockerized_memcached-mailcow_1 ... done Creating mailcowdockerized_dockerapi-mailcow_1 ... done Creating mailcowdockerized_olefy-mailcow_1 ... done Creating mailcowdockerized_mysql-mailcow_1 ... done Creating mailcowdockerized_php-fpm-mailcow_1 ... done Creating mailcowdockerized_postfix-mailcow_1 ... Creating mailcowdockerized_dovecot-mailcow_1 ... Creating mailcowdockerized_nginx-mailcow_1 ... error

ERROR: for mailcowdockerized_nginx-mailcow_1 Cannot start service nginx-mailcow: driver failed programming external connectivity on endpoint mailcowdockerized_nginx-maCreating mailcowdockerized_dovecot-mailcow_1 ... error --to-destination 172.22.1.11:8090 ! -i br-mailcow: (fork/exec /sbin/iptables: resource temporarily unavailable))

Creating mailcowdockerized_postfix-mailcow_1 ... done ed "process_linux.go:449: container init caused \"process_linux.go:432: running prestart hook 0 caused \\"fork/exec /proc/7404/exe: resource temporarily unavailable\\"\"": unknown

ERROR: for nginx-mailcow Cannot start service nginx-mailcow: driver failed programming external connectivity on endpoint mailcowdockerized_nginx-mailcow_1 (00c163e5a58884749ed4d2ec6029327cd0a07bf6c8d1ae2c93cdedbbd989f3e6): (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 127.0.0.1 --dport 8090 -j DNAT --to-destination 172.22.1.11:8090 ! -i br-mailcow: (fork/exec /sbin/iptables: resource temporarily unavailable))

ERROR: for dovecot-mailcow Cannot start service dovecot-mailcow: OCI runtime create failed: container_linux.go:346: starting container process caused "process_linux.go:449: container init caused \"process_linux.go:432: running prestart hook 0 caused \\"fork/exec /proc/7404/exe: resource temporarily unavailable\\"\"": unknown ERROR: Encountered errors while bringing up the project.

ufw and firewalld is uninstalled.

[MasterOP22]

MailCow is behind a nginx reverse proxy, maybe this is important.