To start with, which Linux distro have you installed (Ubuntu server, Ubuntu desktop, Kubuntu, Lubuntu, Xubuntu, Ubuntu MATE, Mint, et al.), & which release number? Different releases have different tools for us to recommend. Please click
edit & add that to your question, so all facts we need are in the question. Please don't use Add Comment, since that's our one-way channel to you. All facts about your PC should go in the Question with
edit as this is a Q&A site, not a general forum, so things work differently here. —
K7AAY yesterday