Here’s how to upgrade and keep your slackware linux packages to current release using slackware’s package manager, slackpkg.

Setting up slackpkg

1. edit /etc/slackpkg/mirrors
2. add http://mirrors.usc.edu/pub/linux/distributions/slackware/slackware-current/ to the current list of mirrors
3. run slackpkg update

Upgrading package
# slackpkg upgrade

e.g # slackpkg upgrade mysql

Installing package
# slackpkg install

e.g # slackpkg install mysql

Search installed package
# slackpkg search

e.g # slackpkg search mysql

Download package without installing
# slackpkg download

e.g # slackpkg download mysql

Getting help on other slackpkg usage and commands
# man slackpkg

To install all current packages
# slackpkg install-new