If the installation created a wireshark group, add your current user to it: sudo usermod -aG wireshark $USER Note: You must log out and back in for this change to take effect. Common Troubleshooting

The dumpcap tool is what actually captures traffic. You can grant it the necessary permissions without giving the user full root access: sudo setcap cap_net_raw,cap_net_admin=eip /usr/bin/dumpcap

The most efficient way to download and install Wireshark on CentOS 8 is through the official repositories.