[arch-general] help

[Jesse Jaara]

> and then I use “systemctl enable dhcpcd@ ” hoping to reset the Internet connection but  the shell tells me“ Fail to issue method call:Read-only file system”

You need to do 'systemctl enable dhcpcd at interface_name'
substituting the interface_name with your network device like
eth0.

Do you get the read-only filesystem error anywhere else, as that
would suggest your root-fs is mounted in read-only mode.
Can you post your fstab?