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Installing CentOS 7 |
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- Make sure root cannot log in via ssh by changing /etc/ssh/sshd_config:
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PermitRootLogin prohibit-password
- This will disable logging in as root, via ssh, but it is still possible to log in as root using SSH public key authentication.
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- Disable SELinux by setting
SELINUX=disabled in /etc/sysconfig/selinux (a reboot is needed to fully disable SELinux)
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- Disable SELinux by setting
SELINUX=disabled in /etc/sysconfig/selinux (a reboot is needed to fully disable SELinux. Do not disable SELinux for production systems)
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- Disable the firewall (when in a secure network), by running:
systemctl disable firewalld
- Enable irqbalance:
systemctl enable irqbalance.service (only useful on an SMP system)
- Set up /etc/ntp.conf:
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