Introductory and intermediate classes are held on-site in Austin, Texas. Euler offers classes in Linux, Perl, and Python on-site in Minneapolis. All classes are introductory. All classes are on-site in Utah. Fortuitous Technologies offers introductory to intermediate Linux classes on-site in Austin, Texas.
Classes range from two to five days.
LinTraining offers links to individual trainers in international locations. Instructors are listed in Argentina, Canada, Peru, UK, North Carolina, New Jersey, Texas, and Virginia. Some instructors are willing to travel. The site also lists some online classes. Introductory and intermediate Linux classes are available on-site in the Philippines.