On Thu, Feb 18, 2016 at 3:48 AM, Adrian Sevcenco <Adrian.Sevcenco at cern.ch> wrote: > Hi! I want to change the sshd port at install for centos7 but i am not sure > if i am on the good track (and it is time expensive to make many > try-outs).. > So, i would be grateful if someone with experience can spot if i have > problems > with my planning.. (the actual purpose is that after installation i have > access > for my ansible provisioning) > > first make sure ssh is started > services --enabled=sshd,chronyd > > then .. i imagine that in the %post section > %post --interpreter=/usr/bin/bash --log=/root/ks-post.log > 1. i could use sed to change the port > sed -i 's/#Port\ 22/Port 60000/' /etc/ssh/sshd_config > 2. sed -i 's/#PermitRootLogin\ yes/PermitRootLogin\ yes/' > /etc/ssh/sshd_config > Not sure if off topic, but you may also consider disabling password login and use key pair to connect through ssh > 3. enable key access > mkdir -p /root/.ssh > chmod 700 /root/.ssh > cat << EOF >> /root/.ssh/authorized_keys > my_ssh_pubkey > EOF > 4. semanage port -a -t ssh_port_t -p tcp 60000 > 5. firewall-cmd --permanent --zone=public --add-port=60000/tcp > 6. systemctl enable firewalld.service > > did i miss anything? > Thank you! > Adrian > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos > > -- Java <http://javadevnotes.com/java-float-to-int> and Groovy <http://grails.asia/groovy-array-length>