Versions systemd¶

Ce document récapitule les versions minimales de systemd nécessaires pour chaque fonctionnalité documentée.

Vérifier votre version¶

systemctl --version
# Ou
systemd --version

Services¶

Type de service¶

Option	Version	Notes
`Type=simple`	systemd 1+	Toutes versions
`Type=forking`	systemd 1+	Toutes versions
`Type=oneshot`	systemd 1+	Toutes versions
`Type=notify`	systemd 1+	Toutes versions
`Type=dbus`	systemd 1+	Toutes versions
`Type=idle`	systemd 189+
`Type=notify-reload`	systemd 249+	Notification lors du reload
`Type=exec`	systemd 240+	Attend après execve()

Options de sécurité¶

Option	Version	Notes
`NoNewPrivileges=`	systemd 187+
`PrivateTmp=`	systemd 183+
`PrivateDevices=`	systemd 186+
`PrivateNetwork=`	systemd 186+
`ProtectSystem=`	systemd 214+
`ProtectHome=`	systemd 214+
`ReadOnlyPaths=`	systemd 214+
`ReadWritePaths=`	systemd 214+
`InaccessiblePaths=`	systemd 214+
`ProtectKernelTunables=`	systemd 232+
`ProtectKernelModules=`	systemd 232+
`ProtectControlGroups=`	systemd 232+
`ProtectKernelLogs=`	systemd 244+
`ProtectHostname=`	systemd 242+
`ProtectClock=`	systemd 245+
`ProtectProc=`	systemd 247+	Nécessite Linux 5.8+
`ProcSubset=`	systemd 247+	Nécessite Linux 5.8+
`PrivateUsers=`	systemd 232+
`PrivateIPC=`	systemd 232+
`DynamicUser=`	systemd 232+
`StateDirectory=`	systemd 235+
`CacheDirectory=`	systemd 235+
`LogsDirectory=`	systemd 235+
`ConfigurationDirectory=`	systemd 235+
`RuntimeDirectory=`	systemd 211+

Limitations ressources¶

Option	Version	Notes
`MemoryLimit=`	systemd 208+	Obsolète, utiliser MemoryMax
`MemoryMax=`	systemd 231+	Nécessite cgroups v2
`MemoryHigh=`	systemd 231+	Nécessite cgroups v2
`MemoryMin=`	systemd 240+	Nécessite cgroups v2
`MemoryLow=`	systemd 231+	Nécessite cgroups v2
`MemorySwapMax=`	systemd 232+	Nécessite cgroups v2
`CPUQuota=`	systemd 213+
`CPUWeight=`	systemd 232+	Nécessite cgroups v2
`CPUShares=`	systemd 208+	Obsolète (cgroups v1)
`TasksMax=`	systemd 227+
`IOWeight=`	systemd 232+	Nécessite cgroups v2
`IOReadBandwidthMax=`	systemd 232+	Nécessite cgroups v2
`IOWriteBandwidthMax=`	systemd 232+	Nécessite cgroups v2
`IOReadIOPSMax=`	systemd 232+	Nécessite cgroups v2
`IOWriteIOPSMax=`	systemd 232+	Nécessite cgroups v2

Réseau¶

Option	Version	Notes
`RestrictAddressFamilies=`	systemd 211+
`IPAccounting=`	systemd 235+	Nécessite cgroups v2
`IPAddressAllow=`	systemd 239+	Nécessite cgroups v2
`IPAddressDeny=`	systemd 239+	Nécessite cgroups v2

Seccomp¶

Option	Version	Notes
`SystemCallFilter=`	systemd 187+
`SystemCallErrorNumber=`	systemd 209+
`SystemCallArchitectures=`	systemd 209+
`SystemCallLog=`	systemd 247+

Restrictions¶

Option	Version	Notes
`LockPersonality=`	systemd 232+
`MemoryDenyWriteExecute=`	systemd 231+
`RestrictRealtime=`	systemd 231+
`RestrictSUIDSGID=`	systemd 242+
`RestrictNamespaces=`	systemd 233+

Capabilities¶

Option	Version	Notes
`CapabilityBoundingSet=`	systemd 187+
`AmbientCapabilities=`	systemd 229+	Nécessite Linux 4.3+

Timers¶

Option	Version	Notes
`OnCalendar=`	systemd 197+
`OnBootSec=`	systemd 197+
`OnStartupSec=`	systemd 197+
`OnUnitActiveSec=`	systemd 197+
`OnUnitInactiveSec=`	systemd 197+
`Persistent=`	systemd 212+
`RandomizedDelaySec=`	systemd 229+
`FixedRandomDelay=`	systemd 247+
`OnClockChange=`	systemd 242+
`OnTimezoneChange=`	systemd 242+

Sockets¶

Option	Version	Notes
`ListenStream=`	systemd 1+
`ListenDatagram=`	systemd 1+
`ListenSequentialPacket=`	systemd 1+
`ListenFIFO=`	systemd 1+
`ListenNetlink=`	systemd 1+
`Accept=`	systemd 1+
`MaxConnections=`	systemd 1+
`SocketUser=`	systemd 206+
`SocketGroup=`	systemd 206+
`TriggerLimitBurst=`	systemd 230+
`TriggerLimitIntervalSec=`	systemd 230+

Mount¶

Option	Version	Notes
`What=`	systemd 1+
`Where=`	systemd 1+
`Type=`	systemd 1+
`Options=`	systemd 1+
`TimeoutSec=`	systemd 1+
`DirectoryMode=`	systemd 1+
`SloppyOptions=`	systemd 215+

Path¶

Option	Version	Notes
`PathExists=`	systemd 1+
`PathExistsGlob=`	systemd 1+
`PathChanged=`	systemd 1+
`PathModified=`	systemd 1+
`DirectoryNotEmpty=`	systemd 1+
`MakeDirectory=`	systemd 1+
`DirectoryMode=`	systemd 1+
`TriggerLimitBurst=`	systemd 230+
`TriggerLimitIntervalSec=`	systemd 230+

Slices et Cgroups¶

Option	Version	Cgroups
`CPUAccounting=`	systemd 208+	v1 et v2
`MemoryAccounting=`	systemd 208+	v1 et v2
`TasksAccounting=`	systemd 227+	v2
`IOAccounting=`	systemd 232+	v2
`IPAccounting=`	systemd 235+	v2

Journal¶

Option	Version	Notes
`Storage=`	systemd 1+
`Compress=`	systemd 1+
`Seal=`	systemd 189+
`SystemMaxUse=`	systemd 1+
`ForwardToSyslog=`	systemd 1+
`MaxLevelStore=`	systemd 232+
`MaxRetentionSec=`	systemd 1+
`MaxFileSec=`	systemd 1+
`RateLimitIntervalSec=`	systemd 1+
`RateLimitBurst=`	systemd 1+

Commandes journalctl¶

Option	Version	Notes
`journalctl`	systemd 1+
`--since` / `--until`	systemd 1+
`--vacuum-time`	systemd 218+
`--vacuum-size`	systemd 218+
`--vacuum-files`	systemd 233+
`--rotate`	systemd 227+
`--verify`	systemd 189+
`--disk-usage`	systemd 1+
`--list-boots`	systemd 1+
`-o json`	systemd 1+
`-o json-pretty`	systemd 1+
`--grep`	systemd 237+
`--case-sensitive`	systemd 237+

Logind¶

Option	Version	Notes
`UserTasksMax=`	systemd 230+
`KillUserProcesses=`	systemd 230+
`KillOnlyUsers=`	systemd 230+
`KillExcludeUsers=`	systemd 230+
`InhibitDelayMaxSec=`	systemd 183+
`HandlePowerKey=`	systemd 1+
`HandleSuspendKey=`	systemd 1+
`HandleHibernateKey=`	systemd 1+
`HandleLidSwitch=`	systemd 1+
`IdleAction=`	systemd 198+
`IdleActionSec=`	systemd 198+

Networkd¶

Option	Version	Notes
`[Match]`	systemd 210+
`[Network]`	systemd 210+
`[Address]`	systemd 210+
`[Route]`	systemd 210+
`DHCP=`	systemd 210+
`VLAN=`	systemd 210+
`Bridge=`	systemd 210+
`Bond=`	systemd 216+
`IPv6AcceptRA=`	systemd 218+
`LLDP=`	systemd 219+
`DHCPv6=`	systemd 221+

Resolved¶

Option	Version	Notes
`DNS=`	systemd 216+
`FallbackDNS=`	systemd 216+
`Domains=`	systemd 216+
`LLMNR=`	systemd 216+
`MulticastDNS=`	systemd 231+
`DNSSEC=`	systemd 229+
`DNSOverTLS=`	systemd 239+
`Cache=`	systemd 231+
`CacheFromLocalhost=`	systemd 250+

Versions majeures¶

systemd 250+ (2021)¶

Support cgroups v2 complet
Améliorations sécurité
Nouveaux types de service
Meilleur support conteneurs

systemd 247+ (2020)¶

ProtectProc=, ProcSubset=
FixedRandomDelay= pour timers
SystemCallLog=
Améliorations slices

systemd 240+ (2019)¶

Type=exec
MemoryMin=
Améliorations networkd

systemd 235+ (2018)¶

Directories gérés (StateDirectory, etc.)
IPAccounting
Améliorations journal

systemd 232+ (2017)¶

Cgroups v2 support initial
MemoryMax, CPUWeight, IOWeight
DynamicUser
Protection noyau avancée

systemd 230+ (2016)¶

UserTasksMax
TriggerLimit pour sockets/paths
Améliorations logind

Distributions et versions¶

Distribution	Version systemd	Sortie
RHEL / CentOS
RHEL 9 / Rocky 9	250+	2022
RHEL 8 / Rocky 8	239	2019
CentOS 7	219	2015
Debian
Debian 12 (Bookworm)	252	2023
Debian 11 (Bullseye)	247	2021
Debian 10 (Buster)	241	2019
Ubuntu
Ubuntu 24.04 LTS	255	2024
Ubuntu 22.04 LTS	249	2022
Ubuntu 20.04 LTS	245	2020
Ubuntu 18.04 LTS	237	2018
Fedora
Fedora 40	255	2024
Fedora 38	253	2023
Fedora 36	250	2022
Arch Linux
Arch Linux	Toujours la dernière	Rolling
openSUSE
Leap 15.5	249	2023
Tumbleweed	Toujours la dernière	Rolling

Compatibilité cgroups¶

Beaucoup de fonctionnalités modernes nécessitent cgroups v2 :

MemoryMax, MemoryHigh, MemoryMin, MemoryLow, MemorySwapMax
CPUWeight, IOWeight
IOReadBandwidthMax, IOWriteBandwidthMax
IPAccounting, IPAddressAllow, IPAddressDeny

Vérifier la version cgroups :

stat -fc %T /sys/fs/cgroup/
# cgroup2fs = cgroups v2 (unified)
# tmpfs = cgroups v1 (legacy)

Activer cgroups v2 (si supporté) :

# Ajouter au kernel cmdline
systemd.unified_cgroup_hierarchy=1

# Ou
cgroup_no_v1=all

Références¶

systemd NEWS : Changelog officiel
systemd Release Notes : Notes de versions
Arch Wiki - systemd : Documentation version

Pour toute fonctionnalité non listée, consulter man systemd.directives ou la documentation officielle.