Ensure the given packages are installed. Can take a flat collection of packages, passed as symbols, strings, or keywords, or, alternatively, a map of packages to version strings.

Installs start-stop-daemon on centos

Given a list of centos packages (strings, symbols, keywords, etc), returns the set of packages which are installed, as strings.

Is start-stop-daemon Installed?

Given a package name, determines the installed version of that package, or nil if it is not installed.

Are the given packages, or singular package, installed on the current system?

Yum update if we haven’t done so recently.

Support for CentOS.

Makes sure the hostfile has a loopback entry for the local hostname

When did we last run a yum update, in seconds ago

Removes a package or packages.

Yum update.