Extending the Root Partition without LVM. Extending EXT4 file system.
Yes,youneedtorunfdisktoactuallychangethepartitiontable.Afteryouresizeyourfilesystemwithresize2fs(thepartitionmustbeunmounted),lookat ...,Itispossibletodoaon-lineresizeofaext4filesystem,evenifit'syourrootpartition.Usetheresize2fscommand.sudoresize...。參考影片的文章的如下: