diff --git a/distro/debian/debian.go b/distro/debian/debian.go
index 773ef62..b01560f 100644
--- a/distro/debian/debian.go
+++ b/distro/debian/debian.go
@@ -111,7 +111,7 @@ func kernelRelease(deb string) (r Release, err error) {
 	return
 }
 
-func Match(km config.KernelMask) (pkgs []string, err error) {
+func MatchImagePkg(km config.KernelMask) (pkgs []string, err error) {
 	kernels, err := GetKernels()
 	if err != nil {
 		log.Error().Err(err).Msg("get kernels")
@@ -143,7 +143,7 @@ func Match(km config.KernelMask) (pkgs []string, err error) {
 	return
 }
 
-func Envs(km config.KernelMask) (envs []string) {
+func ContainerEnvs(km config.KernelMask) (envs []string) {
 	envs = append(envs, "DEBIAN_FRONTEND=noninteractive")
 	return
 }
@@ -196,7 +196,7 @@ func repositories(release Release) (repos []string) {
 	return
 }
 
-func Runs(km config.KernelMask) (commands []string) {
+func ContainerCommands(km config.KernelMask) (commands []string) {
 	release := releaseFromString(km.DistroRelease)
 
 	cmdf := func(f string, s ...interface{}) {
@@ -307,7 +307,7 @@ func ContainerKernels(d container.Image, kcfg *config.KernelConfig) (err error)
 	return
 }
 
-func Volumes(km config.KernelMask, pkgname string) (volumes container.Volumes) {
+func ContainerVolumes(km config.KernelMask, pkgname string) (volumes container.Volumes) {
 	pkgdir := filepath.Join("volumes", km.DockerName(), pkgname)
 
 	volumes.LibModules = config.Dir(pkgdir, "/lib/modules")
@@ -317,7 +317,7 @@ func Volumes(km config.KernelMask, pkgname string) (volumes container.Volumes) {
 	return
 }
 
-func Install(km config.KernelMask, pkgname string, headers bool) (cmds []string, err error) {
+func InstallCommands(km config.KernelMask, pkgname string, headers bool) (cmds []string, err error) {
 	dk, err := getCachedKernel(pkgname + ".deb")
 	if err != nil {
 		return
@@ -353,7 +353,7 @@ func Install(km config.KernelMask, pkgname string, headers bool) (cmds []string,
 	return
 }
 
-func Cleanup(km config.KernelMask, pkgname string) {
+func CleanupFailed(km config.KernelMask, pkgname string) {
 	pkgdir := config.Dir(filepath.Join("volumes", km.DockerName(), pkgname))
 
 	log.Debug().Msgf("cleanup %s", pkgdir)
diff --git a/kernel/kernel.go b/kernel/kernel.go
index 6547dfb..d9dc804 100644
--- a/kernel/kernel.go
+++ b/kernel/kernel.go
@@ -31,14 +31,13 @@ import (
 )
 
 func MatchPackages(km config.KernelMask) (pkgs []string, err error) {
-	// TODO interface for kernels match
 	switch km.DistroType {
 	case config.Ubuntu:
 		pkgs, err = ubuntu.Match(km)
 	case config.OracleLinux, config.CentOS:
 		pkgs, err = oraclelinux.Match(km)
 	case config.Debian:
-		pkgs, err = debian.Match(km)
+		pkgs, err = debian.MatchImagePkg(km)
 	default:
 		err = fmt.Errorf("%s not yet supported", km.DistroType.String())
 	}
@@ -137,10 +136,10 @@ func GenerateBaseDockerImage(registry string, commands []config.DockerCommand,
 			d += "RUN " + c + "\n"
 		}
 	case config.Debian:
-		for _, e := range debian.Envs(sk) {
+		for _, e := range debian.ContainerEnvs(sk) {
 			d += "ENV " + e + "\n"
 		}
-		for _, c := range debian.Runs(sk) {
+		for _, c := range debian.ContainerCommands(sk) {
 			d += "RUN " + c + "\n"
 		}
 	default:
@@ -212,7 +211,7 @@ func installKernel(sk config.KernelMask, pkgname string, force, headers bool) (e
 	if sk.DistroType == config.Debian {
 		// Debian has different kernels (package version) by the
 		// same name (ABI), so we need to separate /boot
-		c.Volumes = debian.Volumes(sk, pkgname)
+		c.Volumes = debian.ContainerVolumes(sk, pkgname)
 	}
 
 	volumes := c.Volumes
@@ -264,13 +263,13 @@ func installKernel(sk config.KernelMask, pkgname string, force, headers bool) (e
 		}
 	case config.Debian:
 		var commands []string
-		commands, err = debian.Install(sk, pkgname, headers)
+		commands, err = debian.InstallCommands(sk, pkgname, headers)
 		if err != nil {
 			return
 		}
 		defer func() {
 			if err != nil {
-				debian.Cleanup(sk, pkgname)
+				debian.CleanupFailed(sk, pkgname)
 			}
 		}()