[$] Highlights from systemd v258: part two

Systemdv258 was released on September17 after more than nine monthsof development. LWN has already covered some of thefeatures and changes being readied for v258 before it was final. Nowthat the release is out, it is time to look at more of what came inv258, including a sandbox shell, new boot options, service-level diskquotas, and enhancements to systemd-resolved.