diff --git a/Dockerfile b/Dockerfile
index 6cdc164..1de6575 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,14 @@
-from golang:1.21.5-alpine3.19 as build
+from golang:1.21.6-alpine3.19 as build
 
 workdir /src
-copy go.mod go.sum .
-run go mod download
 
 copy . .
-run go test ./...
-run go build -o /go/bin/init -trimpath .
+
+run \
+  --mount=type=cache,id=gomod,target=/go/pkg/mod \
+  --mount=type=cache,id=gobuild,target=/root/.cache/go-build \
+   go test ./... \
+&& go build -o /go/bin/init -trimpath .
 
 # ------------------------------------------------------------------------
 from alpine:3.19.0 as initrd
diff --git a/auth.go b/auth.go
index 9890ae3..da64f55 100644
--- a/auth.go
+++ b/auth.go
@@ -3,8 +3,8 @@ package main
 import (
 	"bytes"
 	"errors"
-	"log"
 
+	"github.com/rs/zerolog/log"
 	"golang.org/x/crypto/ssh"
 
 	config "novit.tech/direktil/pkg/bootstrapconfig"
@@ -23,7 +23,7 @@ func localAuth() bool {
 		}
 
 		if config.CheckPassword(auth.Password, sec) {
-			log.Printf("login with auth %q", auth.Name)
+			log.Info().Msgf("login with auth %q", auth.Name)
 			return true
 		}
 	}
@@ -41,12 +41,12 @@ func sshCheckPubkey(conn ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions,
 
 		allowedKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(auth.SSHKey))
 		if err != nil {
-			log.Printf("SSH pubkey for %q invalid: %v", auth.Name, auth.SSHKey)
+			log.Warn().Err(err).Str("user", auth.Name).Str("key", auth.SSHKey).Msg("SSH public key is invalid")
 			return nil, err
 		}
 
 		if bytes.Equal(allowedKey.Marshal(), keyBytes) {
-			log.Print("ssh: accepting public key for ", auth.Name)
+			log.Info().Str("user", auth.Name).Msg("ssh: accepting public key")
 			return &ssh.Permissions{
 				Extensions: map[string]string{
 					"pubkey-fp": ssh.FingerprintSHA256(key),
diff --git a/boot-v1.go b/boot-v1.go
index 9fc09c0..8009667 100644
--- a/boot-v1.go
+++ b/boot-v1.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"log"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -9,14 +8,17 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/rs/zerolog/log"
 	yaml "gopkg.in/yaml.v2"
+
+	"novit.tech/direktil/pkg/config/apply"
 	"novit.tech/direktil/pkg/sysfs"
 )
 
 var loopOffset = 0
 
 func bootV1() {
-	log.Print("-- boot v1 --")
+	log.Info().Msg("-- boot v1 --")
 
 	// find and mount /boot
 	bootMatch := param("boot", "")
@@ -30,21 +32,21 @@ func bootV1() {
 				if i > 30 {
 					fatal("boot partition not found after 30s")
 				}
-				log.Print("boot partition not found, retrying")
+				log.Info().Msg("boot partition not found, retrying")
 				time.Sleep(1 * time.Second)
 				continue
 			}
 
 			devFile := filepath.Join("/dev", devNames[0])
 
-			log.Print("boot partition found: ", devFile)
+			log.Info().Str("dev", devFile).Msg("boot partition found")
 
 			mount(devFile, "/boot", bootFS, bootMountFlags, "")
 			bootMounted = true
 			break
 		}
 	} else {
-		log.Print("Assuming /boot is already populated.")
+		log.Info().Msg("Assuming /boot is already populated.")
 	}
 
 	// load config
@@ -72,10 +74,10 @@ func applyConfig(cfgPath string, bootMounted bool) (cfg *configV1) {
 		fatal("no layers configured!")
 	}
 
-	log.Printf("wanted layers: %q", cfg.Layers)
-
 	layersInMemory := paramBool("layers-in-mem", false)
 
+	log.Info().Strs("layers", cfg.Layers).Bool("in-memory", layersInMemory).Msg("mounting layers")
+
 	const layersInMemDir = "/layers-in-mem"
 	if layersInMemory {
 		mkdir(layersInMemDir, 0700)
@@ -84,6 +86,8 @@ func applyConfig(cfgPath string, bootMounted bool) (cfg *configV1) {
 
 	lowers := make([]string, len(cfg.Layers))
 	for i, layer := range cfg.Layers {
+		log := log.With().Str("layer", layer).Logger()
+
 		path := layerPath(layer)
 
 		info, err := os.Stat(path)
@@ -91,10 +95,10 @@ func applyConfig(cfgPath string, bootMounted bool) (cfg *configV1) {
 			fatal(err)
 		}
 
-		log.Printf("layer %s found (%d bytes)", layer, info.Size())
+		log.Info().Int64("size", info.Size()).Msg("layer found")
 
 		if layersInMemory {
-			log.Print("  copying to memory...")
+			log.Info().Msg("copying to memory")
 			targetPath := filepath.Join(layersInMemDir, layer)
 			cp(path, targetPath)
 			path = targetPath
@@ -126,7 +130,7 @@ func applyConfig(cfgPath string, bootMounted bool) (cfg *configV1) {
 	if bootMounted {
 		if layersInMemory {
 			if err := syscall.Unmount("/boot", 0); err != nil {
-				log.Print("WARNING: failed to unmount /boot: ", err)
+				log.Warn().Err(err).Msg("failed to unmount /boot")
 				time.Sleep(2 * time.Second)
 			}
 
@@ -136,60 +140,47 @@ func applyConfig(cfgPath string, bootMounted bool) (cfg *configV1) {
 	}
 
 	// - write configuration
-	log.Print("writing /config.yaml")
+	log.Info().Msg("writing /config.yaml")
 	if err := os.WriteFile("/system/config.yaml", cfgBytes, 0600); err != nil {
 		fatal("failed: ", err)
 	}
 
 	// - write files
-	for _, fileDef := range cfg.Files {
-		log.Print("writing ", fileDef.Path)
-
-		filePath := filepath.Join("/system", fileDef.Path)
-
-		if err := os.MkdirAll(filepath.Dir(filePath), 0755); err != nil {
-			log.Printf("failed to create dir %s: %v", filepath.Dir(fileDef.Path), err)
-		}
-
-		mode := fileDef.Mode
-		if mode == 0 {
-			mode = 0644
-		}
-
-		err = os.WriteFile(filePath, []byte(fileDef.Content), mode)
-		if err != nil {
-			fatalf("failed to write %s: %v", fileDef.Path, err)
-		}
-	}
+	apply.Files(cfg.Files, "/system")
 
 	// - groups
 	for _, group := range cfg.Groups {
-		log.Print("creating group ", group.Name)
+		logEvt := log.Info().Str("group", group.Name)
 
 		opts := make([]string, 0)
 		opts = append(opts /* chroot */, "/system", "groupadd", "-r")
 		if group.Gid != 0 {
 			opts = append(opts, "-g", strconv.Itoa(group.Gid))
+			logEvt.Int("gid", group.Gid)
 		}
 		opts = append(opts, group.Name)
 
+		logEvt.Msg("creating group")
 		run("chroot", opts...)
 	}
 
 	// - user
 	for _, user := range cfg.Users {
-		log.Print("creating user ", user.Name)
+		logEvt := log.Info().Str("user", user.Name)
 
 		opts := make([]string, 0)
 		opts = append(opts /* chroot */, "/system", "useradd", "-r")
 		if user.Gid != 0 {
 			opts = append(opts, "-g", strconv.Itoa(user.Gid))
+			logEvt.Int("gid", user.Gid)
 		}
 		if user.Uid != 0 {
 			opts = append(opts, "-u", strconv.Itoa(user.Uid))
+			logEvt.Int("uid", user.Uid)
 		}
 		opts = append(opts, user.Name)
 
+		logEvt.Msg("creating user")
 		run("chroot", opts...)
 	}
 
@@ -197,11 +188,8 @@ func applyConfig(cfgPath string, bootMounted bool) (cfg *configV1) {
 }
 
 func finalizeBoot() {
-	// clean zombies
-	cleanZombies()
-
 	// switch root
-	log.Print("switching root")
+	log.Info().Msg("switching root")
 	err := syscall.Exec("/sbin/switch_root", []string{"switch_root",
 		"-c", "/dev/console", "/system", "/sbin/init"}, os.Environ())
 	fatal("switch_root failed: ", err)
diff --git a/boot-v2.go b/boot-v2.go
index 508fa7a..af5d944 100644
--- a/boot-v2.go
+++ b/boot-v2.go
@@ -1,20 +1,20 @@
 package main
 
 import (
-	"log"
 	"os"
 	"os/exec"
 
+	"github.com/rs/zerolog/log"
 	"gopkg.in/yaml.v3"
 
 	config "novit.tech/direktil/pkg/bootstrapconfig"
 )
 
 func bootV2() {
-	log.Print("-- boot v2 --")
+	log.Info().Msg("-- boot v2 --")
 
 	kernelVersion := unameRelease()
-	log.Print("Linux version ", kernelVersion)
+	log.Info().Str("version", kernelVersion).Msg("Linux")
 
 	cfg := &config.Config{}
 
@@ -32,15 +32,19 @@ func bootV2() {
 		}
 	}
 
-	log.Print("config loaded")
-	log.Printf("\n\nanti-phishing code: %q\n", cfg.AntiPhishingCode)
+	log.Info().Msg("config loaded")
+
+	if cfg.AntiPhishingCode != "" {
+		log.Info().Str("anti-phishing-code", cfg.AntiPhishingCode).Send()
+	}
 
 	auths = cfg.Auths
 
 	// mount kernel modules
 	if cfg.Modules == "" {
-		log.Print("NOT mounting modules (nothing specified)")
+		log.Warn().Msg("NOT mounting modules (\"modules:\" not specified)")
 	} else {
+		log.Info().Str("from", cfg.Modules).Msg("mounting modules")
 		mountSquahfs(cfg.Modules, "/modules")
 
 		modulesSourcePath := "/modules/lib/modules/" + kernelVersion
@@ -55,19 +59,23 @@ func bootV2() {
 	}
 
 	// load basic modules
-	run("modprobe", "unix")
+	for _, module := range []string{"unix"} {
+		log.Info().Str("module", module).Msg("loading module")
+		run("modprobe", module)
+	}
 
 	// devices init
+	log.Info().Msg("starting udevd")
 	err := exec.Command("udevd").Start()
 	if err != nil {
 		fatal("failed to start udevd: ", err)
 	}
 
-	log.Print("udevadm triggers")
+	log.Info().Msg("udevadm triggers")
 	run("udevadm", "trigger", "-c", "add", "-t", "devices")
 	run("udevadm", "trigger", "-c", "add", "-t", "subsystems")
 
-	log.Print("udevadm settle")
+	log.Info().Msg("udevadm settle")
 	run("udevadm", "settle")
 
 	// networks
diff --git a/bootstrap.go b/bootstrap.go
index 069a314..7a3a57d 100644
--- a/bootstrap.go
+++ b/bootstrap.go
@@ -4,12 +4,13 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"log"
 	"net/http"
 	"os"
 	"path/filepath"
 	"strings"
 
+	"github.com/rs/zerolog/log"
+
 	config "novit.tech/direktil/pkg/bootstrapconfig"
 )
 
@@ -27,14 +28,14 @@ func bootstrap(cfg *config.Config) {
 	sysCfgPath := filepath.Join(baseDir, "config.yaml")
 
 	if _, err := os.Stat(sysCfgPath); os.IsNotExist(err) {
-		log.Printf("bootstrap %q does not exist", bootVersion)
+		log.Warn().Msgf("bootstrap %q does not exist", bootVersion)
 
 		seed := cfg.Bootstrap.Seed
 		if seed == "" {
 			fatalf("boostrap seed not defined, admin required")
 		}
 
-		log.Printf("seeding bootstrap from %s", seed)
+		log.Info().Str("from", seed).Msgf("seeding bootstrap")
 
 		err = os.MkdirAll(baseDir, 0700)
 		if err != nil {
@@ -72,7 +73,7 @@ func bootstrap(cfg *config.Config) {
 			fatalf("seeding failed: %v", err)
 		}
 
-		log.Print("unpacking bootstrap file")
+		log.Info().Msg("unpacking bootstrap file")
 		run("tar", "xvf", bootstrapFile, "-C", baseDir)
 	}
 
@@ -89,7 +90,7 @@ func bootstrap(cfg *config.Config) {
 
 	// mounts are v2+
 	for _, mount := range sysCfg.Mounts {
-		log.Print("mount ", mount.Dev, " to system's ", mount.Path)
+		log.Info().Str("source", mount.Dev).Str("target", mount.Path).Msg("mount")
 
 		path := filepath.Join("/system", mount.Path)
 
@@ -108,15 +109,16 @@ func bootstrap(cfg *config.Config) {
 
 	// setup root user
 	if ph := sysCfg.RootUser.PasswordHash; ph != "" {
-		log.Print("setting root's password")
+		log.Info().Msg("setting root's password")
 		setUserPass("root", ph)
 	}
 	if ak := sysCfg.RootUser.AuthorizedKeys; len(ak) != 0 {
-		log.Print("setting root's authorized keys")
+		log.Info().Msg("setting root's authorized keys")
 		setAuthorizedKeys(ak)
 	}
 
 	// update-ca-certificates
+	log.Info().Msg("updating CA certifices")
 	run("chroot", "/system", "update-ca-certificates")
 }
 
diff --git a/go.mod b/go.mod
index 12b9ede..6bee514 100644
--- a/go.mod
+++ b/go.mod
@@ -1,16 +1,17 @@
-module novit.nc/direktil/initrd
+module novit.tech/direktil/initrd
 
 require (
 	github.com/freddierice/go-losetup/v2 v2.0.1
 	github.com/kr/pty v1.1.8
 	github.com/pkg/term v1.1.0
-	golang.org/x/crypto v0.16.0
-	golang.org/x/sys v0.15.0
-	golang.org/x/term v0.15.0
+	github.com/rs/zerolog v1.31.0
+	golang.org/x/crypto v0.18.0
+	golang.org/x/sys v0.16.0
+	golang.org/x/term v0.16.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
 	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.1
-	novit.tech/direktil/pkg v0.0.0-20231217121409-827fa62f58aa
+	novit.tech/direktil/pkg v0.0.0-20240120153454-29595df7b8ff
 )
 
 require (
@@ -18,11 +19,13 @@ require (
 	github.com/creack/pty v1.1.21 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/josharian/native v1.1.0 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mdlayher/genetlink v1.3.2 // indirect
 	github.com/mdlayher/netlink v1.7.2 // indirect
 	github.com/mdlayher/socket v0.5.0 // indirect
-	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/sync v0.5.0 // indirect
+	golang.org/x/net v0.20.0 // indirect
+	golang.org/x/sync v0.6.0 // indirect
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173 // indirect
 )
 
diff --git a/go.sum b/go.sum
index ea13b12..b63c0f4 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,6 @@
 github.com/cavaliergopher/cpio v1.0.1 h1:KQFSeKmZhv0cr+kawA3a0xTQCU4QxXF1vhU7P7av2KM=
 github.com/cavaliergopher/cpio v1.0.1/go.mod h1:pBdaqQjnvXxdS/6CvNDwIANIFSP0xRKI16PX4xejRQc=
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
 github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
@@ -7,6 +8,7 @@ github.com/creack/pty v1.1.21 h1:1/QdRyBaHHJP61QkWMXlOIBfsgdDeeKfK8SYVUWJKf0=
 github.com/creack/pty v1.1.21/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/freddierice/go-losetup/v2 v2.0.1 h1:wPDx/Elu9nDV8y/CvIbEDz5Xi5Zo80y4h7MKbi3XaAI=
 github.com/freddierice/go-losetup/v2 v2.0.1/go.mod h1:TEyBrvlOelsPEhfWD5rutNXDmUszBXuFnwT1kIQF4J8=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
@@ -20,6 +22,13 @@ github.com/kr/pty v1.1.8 h1:AkaSdXYQOWeaO3neb8EM634ahkXXe3jYbVh/F9lq+GI=
 github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
+github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mdlayher/genetlink v1.3.1 h1:roBiPnual+eqtRkKX2Jb8UQN5ZPWnhDCGj/wR6Jlz2w=
 github.com/mdlayher/genetlink v1.3.1/go.mod h1:uaIPxkWmGk753VVIzDtROxQ8+T+dkHqOI0vB1NA9S/Q=
 github.com/mdlayher/genetlink v1.3.2 h1:KdrNKe+CTu+IbZnm/GVUMXSqBBLqcGpRDa0xkQy56gw=
@@ -34,8 +43,12 @@ github.com/mdlayher/socket v0.5.0 h1:ilICZmJcQz70vrWVes1MFera4jGiWNocSkykwwoy3XI
 github.com/mdlayher/socket v0.5.0/go.mod h1:WkcBFfvyG8QENs5+hfQPl1X6Jpd2yeLIYgrGFmJiJxI=
 github.com/mikioh/ipaddr v0.0.0-20190404000644-d465c8ab6721 h1:RlZweED6sbSArvlE924+mUcZuXKLBHA35U7LN621Bws=
 github.com/mikioh/ipaddr v0.0.0-20190404000644-d465c8ab6721/go.mod h1:Ickgr2WtCLZ2MDGd4Gr0geeCH5HybhRJbonOgQpvSxc=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/term v1.1.0 h1:xIAAdCMh3QIAy+5FrE8Ad8XoDhEU4ufwbaSozViP9kk=
 github.com/pkg/term v1.1.0/go.mod h1:E25nymQcrSllhX42Ok8MRm1+hyBdHY0dCeiKZ9jpNGw=
+github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/zerolog v1.31.0 h1:FcTR3NnLWW+NnTwwhFWiJSZr4ECLpqCm6QsEnyvbV4A=
+github.com/rs/zerolog v1.31.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
 github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
 github.com/ulikunitz/xz v0.5.11/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
@@ -46,6 +59,8 @@ golang.org/x/crypto v0.5.0 h1:U/0M97KRkSFvyD/3FSmdP5W5swImpNgle/EHFhOsQPE=
 golang.org/x/crypto v0.5.0/go.mod h1:NK/OQwhpMQP3MwtdjgLlYHnH9ebylxKWv3e0fK+mkQU=
 golang.org/x/crypto v0.16.0 h1:mMMrFzRSCF0GvB7Ne27XVtVAaXLrPmgPC7/v0tkwHaY=
 golang.org/x/crypto v0.16.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
+golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -58,12 +73,16 @@ golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
 golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
+golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
 golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
+golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -71,12 +90,17 @@ golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.4.0 h1:Zr2JFtRQNX3BCZ8YtxRE9hNJYC8J6I1MVbMg6owUp18=
 golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
 golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.4.0 h1:O7UWfv5+A2qiuulQk30kVinPoMtoIPeVaKLEgLpVkvg=
@@ -85,6 +109,8 @@ golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
 golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
 golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
+golang.org/x/term v0.16.0 h1:m+B6fahuftsE9qjo0VWp2FW0mB3MTJvR0BaMQrq0pmE=
+golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -120,3 +146,5 @@ novit.tech/direktil/pkg v0.0.0-20230201224712-5e39572dc50e h1:eQFbzcuB4wOSrnOhkc
 novit.tech/direktil/pkg v0.0.0-20230201224712-5e39572dc50e/go.mod h1:2Mir5x1eT/e295WeFGzzXa4siunKX4z+rmNPfVsXS0k=
 novit.tech/direktil/pkg v0.0.0-20231217121409-827fa62f58aa h1:eBk9nQTxIJU5cT8aJVjfRWiUd4sv8YV0kXALbSFOKdI=
 novit.tech/direktil/pkg v0.0.0-20231217121409-827fa62f58aa/go.mod h1:AYEEjNi7ljJG+V4F4LzxWntfbSs+KnNPO3kqvcEzIU4=
+novit.tech/direktil/pkg v0.0.0-20240120153454-29595df7b8ff h1:GctOfnciAzBRoEOxFulavphO3vSVj1jR6DZVlyGueJU=
+novit.tech/direktil/pkg v0.0.0-20240120153454-29595df7b8ff/go.mod h1:zjezU6tELE880oYHs/WAauGBupKIEQQ7KqWTB69RW10=
diff --git a/lvm.go b/lvm.go
index c32da7b..f058f73 100644
--- a/lvm.go
+++ b/lvm.go
@@ -3,15 +3,17 @@ package main
 import (
 	"bytes"
 	"io/fs"
-	"log"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"sort"
 	"strconv"
 
-	"novit.nc/direktil/initrd/lvm"
+	"github.com/rs/zerolog/log"
+
 	config "novit.tech/direktil/pkg/bootstrapconfig"
+
+	"novit.tech/direktil/initrd/lvm"
 )
 
 func sortedKeys[T any](m map[string]T) (keys []string) {
@@ -25,7 +27,7 @@ func sortedKeys[T any](m map[string]T) (keys []string) {
 
 func setupLVM(cfg *config.Config) {
 	if len(cfg.LVM) == 0 {
-		log.Print("no LVM VG configured.")
+		log.Info().Msg("no LVM VG configured.")
 		return
 	}
 
@@ -75,15 +77,17 @@ func setupVG(vg config.LvmVG) {
 		}
 	}
 
+	log := log.With().Str("vg", vg.VG).Logger()
+
 	if devNeeded <= 0 {
-		log.Print("LVM VG ", vg.VG, " has all its devices")
+		log.Info().Msg("LVM VG has all its devices")
 		return
 	}
 
 	if vgExists {
-		log.Printf("LVM VG %s misses %d devices", vg.VG, devNeeded)
+		log.Info().Msgf("LVM VG misses %d devices", devNeeded)
 	} else {
-		log.Printf("LVM VG %s does not exists, creating", vg.VG)
+		log.Info().Msg("LVM VG does not exists, creating")
 	}
 
 	devNames := make([]string, 0)
@@ -108,20 +112,16 @@ func setupVG(vg config.LvmVG) {
 
 	m := regexpSelectN(vg.PVs.N, vg.PVs.Regexps, devNames)
 	if len(m) == 0 {
-		log.Printf("no devices match the regexps %v", vg.PVs.Regexps)
-		for _, d := range devNames {
-			log.Print("- ", d)
-		}
-
+		log.Error().Strs("regexps", vg.PVs.Regexps).Msg("no device match the regexps")
 		fatalf("failed to setup VG %s", vg.VG)
 	}
 
 	if vgExists {
-		log.Print("- extending vg to ", m)
+		log.Info().Strs("devices", m).Msg("LVM VG: extending")
 		run("vgextend", append([]string{vg.VG}, m...)...)
 		devNeeded -= len(m)
 	} else {
-		log.Print("- creating vg with devices ", m)
+		log.Info().Strs("devices", m).Msg("LVM VG: creating")
 		run("vgcreate", append([]string{vg.VG}, m...)...)
 		devNeeded -= len(m)
 	}
@@ -142,17 +142,17 @@ func setupLVs(vg config.LvmVG, createdDevs map[string]string) {
 
 	defaults := vg.Defaults
 
-	for _, lv := range vg.LVs {
-		lvKey := vg.VG + "/" + lv.Name
+	for idx, lv := range vg.LVs {
+		log := log.With().Str("vg", vg.VG).Str("lv", lv.Name).Logger()
 
 		if contains(lvs, func(v lvm.LV) bool {
 			return v.VGName == vg.VG && v.Name == lv.Name
 		}) {
-			log.Printf("LV %s exists", lvKey)
+			log.Info().Msg("LV exists")
 			continue
 		}
 
-		log.Printf("creating LV %s", lvKey)
+		log.Info().Msg("LV does not exist")
 
 		if lv.Raid == nil {
 			lv.Raid = defaults.Raid
@@ -161,7 +161,7 @@ func setupLVs(vg config.LvmVG, createdDevs map[string]string) {
 		args := make([]string, 0)
 
 		if lv.Name == "" {
-			fatalf("LV has no name")
+			fatalf("LV[%d] has no name", idx)
 		}
 		args = append(args, vg.VG, "--name", lv.Name)
 
@@ -184,7 +184,7 @@ func setupLVs(vg config.LvmVG, createdDevs map[string]string) {
 			}
 		}
 
-		log.Print("lvcreate args: ", args)
+		log.Info().Strs("args", args).Msg("LV: creating")
 		run("lvcreate", args...)
 
 		dev := "/dev/" + vg.VG + "/" + lv.Name
@@ -286,12 +286,12 @@ func setupCrypt(devSpecs []config.CryptDev, createdDevs map[string]string) {
 				}
 
 				if !eq {
-					log.Print("passwords don't match")
+					log.Error().Msg("passwords don't match")
 					goto retry
 				}
 			}
 
-			log.Print("formatting encrypted device ", dev)
+			log.Info().Str("dev", dev).Msg("formatting encrypted device")
 			cmd := exec.Command("cryptsetup", "luksFormat", dev, "--key-file=-")
 			cmd.Stdin = bytes.NewBuffer(password)
 			cmd.Stdout = stdout
@@ -312,7 +312,7 @@ func setupCrypt(devSpecs []config.CryptDev, createdDevs map[string]string) {
 			}
 		}
 
-		log.Print("openning encrypted device ", name, " from ", dev)
+		log.Info().Str("name", name).Str("dev", dev).Msg("openning encrypted device")
 		cmd := exec.Command("cryptsetup", "open", dev, name, "--key-file=-")
 		cmd.Stdin = bytes.NewBuffer(password)
 		cmd.Stdout = stdout
@@ -364,7 +364,7 @@ func devInitialized(dev string) bool {
 
 func setupFS(dev, fs string) {
 	if devInitialized(dev) {
-		log.Print("device ", dev, " already formatted")
+		log.Info().Str("dev", dev).Msg("device already formatted")
 		return
 	}
 
@@ -372,7 +372,7 @@ func setupFS(dev, fs string) {
 		fs = "ext4"
 	}
 
-	log.Print("formatting ", dev, " (", fs, ")")
+	log.Info().Str("dev", dev).Str("fs", fs).Msg("formatting device")
 	args := make([]string, 0)
 
 	switch fs {
diff --git a/main.go b/main.go
index 45464f9..fbc0e40 100644
--- a/main.go
+++ b/main.go
@@ -3,7 +3,6 @@ package main
 import (
 	"fmt"
 	"io"
-	"log"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -12,10 +11,12 @@ import (
 	"time"
 
 	"github.com/pkg/term/termios"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
 	"golang.org/x/term"
 
-	"novit.nc/direktil/initrd/colorio"
-	"novit.nc/direktil/initrd/shio"
+	"novit.tech/direktil/initrd/colorio"
+	"novit.tech/direktil/initrd/shio"
 )
 
 const (
@@ -41,11 +42,13 @@ func newPipe() (io.ReadCloser, io.WriteCloser) {
 }
 
 func main() {
+	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
+
 	switch baseName := filepath.Base(os.Args[0]); baseName {
 	case "init":
 		runInit()
 	default:
-		log.Fatal("unknown sub-command: ", baseName)
+		log.Fatal().Msgf("unknown sub-command: %q", baseName)
 	}
 }
 
@@ -57,18 +60,19 @@ func runInit() {
 
 	runtime.LockOSThread()
 
-	if pid := os.Getpid(); pid != 1 {
-		log.Fatal("init must be PID 1, not ", pid)
-	}
-
 	// move log to shio
 	go io.Copy(os.Stdout, stdout.NewReader())
-	log.SetOutput(stderr)
+	log.Logger = log.Output(zerolog.ConsoleWriter{Out: stderr})
+
+	// check the PID is 1
+	if pid := os.Getpid(); pid != 1 {
+		log.Fatal().Int("pid", pid).Msg("init must be PID 1")
+	}
 
 	// copy os.Stdin to my stdin pipe
 	go io.Copy(stdinPipe, os.Stdin)
 
-	log.Print("Welcome to ", VERSION)
+	log.Info().Msg("Welcome to " + VERSION)
 
 	// essential mounts
 	mount("none", "/proc", "proc", 0, "")
@@ -78,7 +82,7 @@ func runInit() {
 
 	// get the "boot version"
 	bootVersion = param("version", "current")
-	log.Printf("booting system %q", bootVersion)
+	log.Info().Msgf("booting system %q", bootVersion)
 
 	os.Setenv("PATH", "/usr/bin:/bin:/usr/sbin:/sbin")
 
@@ -107,19 +111,20 @@ func layerPath(name string) string {
 }
 
 func fatal(v ...interface{}) {
-	log.Print("*** FATAL ***")
-	log.Print(v...)
+	log.Error().Msg("*** FATAL ***")
+	log.Error().Msg(fmt.Sprint(v...))
 	die()
 }
 
 func fatalf(pattern string, v ...interface{}) {
-	log.Print("*** FATAL ***")
-	log.Printf(pattern, v...)
+	log.Error().Msg("*** FATAL ***")
+	log.Error().Msgf(pattern, v...)
 	die()
 }
 
 func die() {
-	log.SetOutput(os.Stderr)
+	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
+
 	stdout.Close()
 	stdin.Close()
 	stdinPipe.Close()
@@ -138,13 +143,13 @@ mainLoop:
 		deadline := time.Now().Add(time.Minute)
 		os.Stdin.SetReadDeadline(deadline)
 
-		termios.Tcflush(os.Stdin.Fd(), termios.TCIFLUSH)
 		term.MakeRaw(int(os.Stdin.Fd()))
+		termios.Tcflush(os.Stdin.Fd(), termios.TCIFLUSH)
 
 		b := make([]byte, 1)
 		_, err := os.Stdin.Read(b)
 		if err != nil {
-			log.Print("failed to read from stdin: ", err)
+			log.Error().Err(err).Msg("failed to read from stdin")
 			time.Sleep(5 * time.Second)
 			syscall.Reboot(syscall.LINUX_REBOOT_CMD_RESTART)
 		}
@@ -184,10 +189,10 @@ mainLoop:
 				}
 				continue mainLoop
 			}
-			log.Print("failed to find a shell!")
+			log.Error().Msg("failed to find a shell!")
 
 		default:
-			log.Printf("unknown choice: %q", string(b))
+			log.Error().Msgf("unknown choice: %q", string(b))
 		}
 	}
 }
@@ -212,7 +217,7 @@ func mount(source, target, fstype string, flags uintptr, data string) {
 	if err := syscall.Mount(source, target, fstype, flags, data); err != nil {
 		fatalf("mount %q %q -t %q -o %q failed: %v", source, target, fstype, data, err)
 	}
-	log.Printf("mounted %q", target)
+	log.Info().Str("target", target).Msg("mounted")
 }
 
 func cp(srcPath, dstPath string) {
diff --git a/modd.conf b/modd.conf
index 10d82c1..b0e96bb 100644
--- a/modd.conf
+++ b/modd.conf
@@ -3,6 +3,7 @@ modd.conf {}
 go.??? **/*.go {
   prep: go test ./...
   prep: mkdir -p dist
+  prep: go build -o dist/init .
   prep: go build -o dist/ ./tools/...
 }
 
diff --git a/network.go b/network.go
index 08f43a6..428a8f8 100644
--- a/network.go
+++ b/network.go
@@ -1,17 +1,18 @@
 package main
 
 import (
-	"log"
 	"net"
 	"os/exec"
 	"strings"
 
+	"github.com/rs/zerolog/log"
+
 	config "novit.tech/direktil/pkg/bootstrapconfig"
 )
 
 func setupNetworks(cfg *config.Config) {
 	if len(cfg.Networks) == 0 {
-		log.Print("no networks configured.")
+		log.Info().Msg("no networks configured.")
 		return
 	}
 
@@ -29,7 +30,8 @@ func setupNetworks(cfg *config.Config) {
 	assigned := map[string]bool{}
 
 	for _, network := range cfg.Networks {
-		log.Print("setting up network ", network.Name)
+		log := log.With().Str("network", network.Name).Logger()
+		log.Info().Msg("setting up network")
 
 		// compute available names
 		if len(assigned) != 0 {
@@ -60,10 +62,11 @@ func setupNetworks(cfg *config.Config) {
 				assigned[m] = true
 			}
 
-			log.Print("- ", envvar)
 			envvars = append(envvars, envvar.String())
 		}
 
+		log.Info().Strs("env", envvars).Msg("running script")
+
 		cmd := exec.Command("/bin/sh", "-c", network.Script)
 		cmd.Env = envvars
 		cmd.Stdout = stdout
diff --git a/regexp.go b/regexp.go
index 9b633a3..bd7ebe7 100644
--- a/regexp.go
+++ b/regexp.go
@@ -1,8 +1,9 @@
 package main
 
 import (
-	"log"
 	"regexp"
+
+	"github.com/rs/zerolog/log"
 )
 
 func regexpSelectN(n int, regexps []string, names []string) (matches []string) {
@@ -16,7 +17,7 @@ func regexpSelectN(n int, regexps []string, names []string) (matches []string) {
 	for _, reStr := range regexps {
 		re, err := regexp.Compile(reStr)
 		if err != nil {
-			log.Printf("warning: invalid regexp ignored: %q: %v", reStr, err)
+			log.Warn().Err(err).Str("regexp", reStr).Msg("invalid regexp, ignored")
 			continue
 		}
 		res = append(res, re)
diff --git a/shio/shio.go b/shio/shio.go
index d742a85..b9259f6 100644
--- a/shio/shio.go
+++ b/shio/shio.go
@@ -5,7 +5,7 @@ import (
 	"io"
 	"sync"
 
-	"novit.nc/direktil/initrd/colorio"
+	"novit.tech/direktil/initrd/colorio"
 )
 
 type ShIO struct {
diff --git a/ssh.go b/ssh.go
index 46f212b..f715c4f 100644
--- a/ssh.go
+++ b/ssh.go
@@ -4,7 +4,6 @@ import (
 	"encoding/binary"
 	"fmt"
 	"io"
-	"log"
 	"net"
 	"os"
 	"os/exec"
@@ -13,6 +12,7 @@ import (
 	"unsafe"
 
 	"github.com/kr/pty"
+	"github.com/rs/zerolog/log"
 	"golang.org/x/crypto/ssh"
 
 	config "novit.tech/direktil/pkg/bootstrapconfig"
@@ -26,20 +26,24 @@ func startSSH(cfg *config.Config) {
 	hostKeyLoaded := false
 
 	for _, format := range []string{"rsa", "dsa", "ecdsa", "ed25519"} {
+		log := log.With().Str("format", format).Logger()
+
 		pkBytes, err := os.ReadFile("/id_" + format)
 		if err != nil {
-			log.Printf("ssh : failed to load %s host key: %v", format, err)
+			log.Error().Err(err).Msg("ssh: failed to load host key")
 			continue
 		}
 
 		pk, err := ssh.ParsePrivateKey(pkBytes)
 		if err != nil {
-			log.Printf("ssh: failed to parse %s host key: %v", format, err)
+			log.Error().Err(err).Msg("ssh: failed to parse host key")
 			continue
 		}
 
 		sshConfig.AddHostKey(pk)
 		hostKeyLoaded = true
+
+		log.Info().Msg("ssh: loaded host key")
 	}
 
 	if !hostKeyLoaded {
@@ -52,13 +56,13 @@ func startSSH(cfg *config.Config) {
 		fatalf("ssh: failed to listen on %s: %v", sshBind, err)
 	}
 
-	log.Print("SSH server listening on ", sshBind)
+	log.Info().Str("bind-address", sshBind).Msg("SSH server listening")
 
 	go func() {
 		for {
 			conn, err := listener.Accept()
 			if err != nil {
-				log.Print("ssh: accept conn failed: ", err)
+				log.Info().Err(err).Msg("ssh: accept conn failed")
 				continue
 			}
 
@@ -71,12 +75,12 @@ func sshHandleConn(conn net.Conn, sshConfig *ssh.ServerConfig) {
 	sshConn, chans, reqs, err := ssh.NewServerConn(conn, sshConfig)
 
 	if err != nil {
-		log.Print("ssh: handshake failed: ", err)
+		log.Error().Err(err).Msg("ssh: handshake failed")
 		return
 	}
 
 	remoteAddr := sshConn.User() + "@" + sshConn.RemoteAddr().String()
-	log.Print("ssh: new connection from ", remoteAddr)
+	log.Info().Str("remote", remoteAddr).Msg("ssh: new connection")
 
 	go sshHandleReqs(reqs)
 	go sshHandleChannels(remoteAddr, chans)
@@ -89,7 +93,7 @@ func sshHandleReqs(reqs <-chan *ssh.Request) {
 			req.Reply(true, nil)
 
 		default:
-			log.Printf("ssh: discarding req: %+v", req)
+			log.Info().Str("type", req.Type).Msg("ssh: discarding request")
 			req.Reply(false, nil)
 		}
 	}
@@ -104,7 +108,7 @@ func sshHandleChannels(remoteAddr string, chans <-chan ssh.NewChannel) {
 
 		channel, requests, err := newChannel.Accept()
 		if err != nil {
-			log.Print("ssh: failed to accept channel: ", err)
+			log.Error().Err(err).Msg("ssh: failed to accept channel")
 			continue
 		}
 
@@ -211,7 +215,7 @@ func sshHandleChannel(remoteAddr string, channel ssh.Channel, requests <-chan *s
 			var err error
 			ptyF, ttyF, err = pty.Open()
 			if err != nil {
-				log.Print("PTY err: ", err)
+				log.Error().Err(err).Msg("ssh: PTY open failed")
 				req.Reply(false, nil)
 				continue
 			}
diff --git a/tools/cpiocat/main.go b/tools/cpiocat/main.go
index af33f45..40f2282 100644
--- a/tools/cpiocat/main.go
+++ b/tools/cpiocat/main.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"flag"
-	"log"
+	"fmt"
 	"os"
 
 	"novit.tech/direktil/pkg/cpiocat"
@@ -13,6 +13,7 @@ func main() {
 
 	err := cpiocat.Append(os.Stdout, os.Stdin, flag.Args())
 	if err != nil {
-		log.Fatal(err)
+		fmt.Fprintln(os.Stderr, err.Error())
+		os.Exit(1)
 	}
 }
diff --git a/tools/testconf/main.go b/tools/testconf/main.go
index 5b49000..500d661 100644
--- a/tools/testconf/main.go
+++ b/tools/testconf/main.go
@@ -3,7 +3,7 @@ package main
 import (
 	"bytes"
 	"flag"
-	"log"
+	"fmt"
 	"os"
 
 	"gopkg.in/yaml.v3"
@@ -14,12 +14,10 @@ func main() {
 	flag.Parse()
 
 	for _, arg := range flag.Args() {
-		log.Print("testing ", arg)
+		fmt.Println("testing", arg)
 
 		cfgBytes, err := os.ReadFile(arg)
-		if err != nil {
-			log.Fatal(err)
-		}
+		fail(err)
 
 		cfg := config.Config{}
 
@@ -27,8 +25,13 @@ func main() {
 		dec.KnownFields(true)
 
 		err = dec.Decode(&cfg)
-		if err != nil {
-			log.Fatal(err)
-		}
+		fail(err)
+	}
+}
+
+func fail(err error) {
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err.Error())
+		os.Exit(1)
 	}
 }
diff --git a/vpn.go b/vpn.go
index 3e6a121..408d9a3 100644
--- a/vpn.go
+++ b/vpn.go
@@ -1,11 +1,11 @@
 package main
 
 import (
-	"log"
 	"net"
 	"os"
 	"path/filepath"
 
+	"github.com/rs/zerolog/log"
 	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 
@@ -13,11 +13,18 @@ import (
 )
 
 func setupVPN(vpn config.VPNDef, localGenDir string) {
-	log.Printf("setting up VPN %s", vpn.Name)
+	log := log.With().Str("vpn", vpn.Name).Logger()
+
+	log.Info().Msg("VPN: setting up")
 
 	vpnDir := filepath.Join(localGenDir, vpn.Name)
 	os.MkdirAll(vpnDir, 0750)
 
+	logMsg := log.Info()
+	if vpn.ListenPort != nil {
+		logMsg.Int("ListenPort", *vpn.ListenPort)
+	}
+
 	// public/private key
 	keyFile := filepath.Join(vpnDir, "key")
 	keyBytes, err := os.ReadFile(keyFile)
@@ -39,7 +46,7 @@ func setupVPN(vpn config.VPNDef, localGenDir string) {
 		fatalf("bad VPN key: %v", err)
 	}
 
-	log.Printf("VPN %s public key is %s", vpn.Name, key.PublicKey().String())
+	logMsg.Stringer("PublicKey", key.PublicKey())
 
 	// pre-shared key
 	pskeyFile := filepath.Join(vpnDir, "pskey")
@@ -62,7 +69,10 @@ func setupVPN(vpn config.VPNDef, localGenDir string) {
 		fatalf("bad VPN pre-shared key: %v", err)
 	}
 
-	log.Printf("VPN %s pre-shared key is %s", vpn.Name, key.String())
+	{
+		keyStr := key.String()
+		logMsg.Str("PresharedKey", keyStr[0:4]+"..."+keyStr[len(keyStr)-4:])
+	}
 
 	// setup interface
 	cfg := wgtypes.Config{
@@ -110,12 +120,14 @@ func setupVPN(vpn config.VPNDef, localGenDir string) {
 	}
 	defer wg.Close()
 
+	log.Info().Strs("ips", vpn.IPs).Msg("VPN: creating interface")
 	run("ip", "link", "add", vpn.Name, "type", "wireguard")
 
 	for _, ip := range vpn.IPs {
 		run("ip", "addr", "add", ip, "dev", vpn.Name)
 	}
 
+	logMsg.Msg("VPN: configuring interface")
 	err = wg.ConfigureDevice(vpn.Name, cfg)
 	if err != nil {
 		fatalf("failed to setup VPN %s: %v", vpn.Name, err)
diff --git a/zombies.go b/zombies.go
deleted file mode 100644
index 33aa35c..0000000
--- a/zombies.go
+++ /dev/null
@@ -1,26 +0,0 @@
-package main
-
-import (
-	"log"
-	"syscall"
-)
-
-func cleanZombies() {
-	return // FIXME noop... udhcpc is a daemon staying alive so we never finish
-
-	var wstatus syscall.WaitStatus
-
-	for {
-		pid, err := syscall.Wait4(-1, &wstatus, 0, nil)
-		switch err {
-		case nil:
-			log.Printf("collected PID %v", pid)
-
-		case syscall.ECHILD:
-			return
-
-		default:
-			log.Printf("unknown error: %v", err)
-		}
-	}
-}