DNF

How not to include specific packages to update:

# Formula:
sudo dnf update --exclude=<pkg-name>

# For example, if you want to skip `texlive-...` to update,
# then you would run:
sudo dnf update --exclude=texlive-\*

Search specific package:

# Formula:
sudo dnf search <pkg-name>

# e.g.
sudo dnf search sox

Check if specific package is installed:

# Formula:
dnf list installed "pkg-name"

# e.g.
dnf list installed "postgresql*"

# Alternatively, you can also do this:
dnf list installed | grep postgresql

Remove specif package:

# Formula:
sudo dnf remove <pkg-name>

# e.g.
sudo dnf remove zathura