There are two different ways to update software using zypper. To integrate all officially released patches into your system, just run the
zypper update
or
zypper update -t package
Installing and Removing Software with Zypper
sudo zypper install PACKAGE_NAME
sudo zypper remove PACKAGE_NAME
Installing and Removing Software with Zypper
sudo zypper install PACKAGE_NAME
sudo zypper remove PACKAGE_NAME
A list of all new installable packages can be obtained with the command:
zypper list-updates
If you have trouble accessing packages from configured repositories (for example, Zypper cannot find a certain package even though you know it exists in one of the repositories), refreshing the repositories may help:
sudo zypper refresh
sudo zypper refresh -fdb