[开源软件] 支持链接汇总

“Common rules:
1- If the repo is on github, the support/bug link is also on the github with issues”" label;
2- Could ask questions by email list;"
3rd party software support link Note
gcc https://gcc.gnu.org
openssh https://bugzilla.mindrot.org/
Openstack related https://bugs.launchpad.net/
RHEL https://access.redhat.com/support/cases/ Need special account to access;
只要是使用的第三方软件是Redhat提供的rpm包，就就可以在这里提问题。
rsyslogd https://github.com/rsyslog/rsyslog/issues
systemd systemd-devel@lists.freedesktop.org Could ask question in email list