Scribus is a great piece of software but there seems to be a missing piece of functionality. You can search and replace in a single text frame but you can't seem to search and replace in the whole document. So if your document has multiple text frames then you can't...
work-a-round
When outbound HTTP and HTTPS is denied you have to get creative with 3proxy and SSH
https://www.digitalocean.com/community/tutorials/how-to-route-web-traffic-securely-without-a-vpn-using-a-socks-tunnel The above link has a how-to on running a socks5 proxy just by using ssh. PS I have used Digital Ocean for 3+ years and except for one instance of...