Last week we released systemd v257 into the wild (https://lists.freedesktop.org/archives/systemd-devel/2024-December/050995.html).

In the weeks leading up to this release (and the week after) I have posted a series of serieses of posts to Mastodon about key new features in this release, under the #systemd257 (https://mastodon.social/tags/systemd257) hash tag. In case you aren’t using Mastodon, but would like to read up, here’s a list of all 37 posts:

• Post #1: Fully Locked Accounts with systemd-sysusers (https://mastodon.social/@pid_eins/113395418561365864)

• Post #2: Combined Signed PCR and Locally Managed PCR Policies for Disk Encryption (https://mastodon.social/@pid_eins/113404057459642225)

• Post #3: Progress Indication via Terminal ANSI Sequence (https://mastodon.social/@pid_eins/113406672373007116)

• Post #4: Multi-Profile UKIs (https://mastodon.social/@pid_eins/113423432232653226)

• Post #5: The New sd-varlink & sd-json APIs in libsystemd (https://mastodon.social/@pid_eins/113429571219875759)

• Post #6: Querying for Passwords in User Scope (https://mastodon.social/@pid_eins/113435078590868715)

• Post #7: Secure Attention Key Logic in systemd-logind (https://mastodon.social/@pid_eins/113441330932924520)

• Post #8: systemd-nspawn –bind-user= Now Copies User’s SSH Key (https://mastodon.social/@pid_eins/113446270534758537)

• Post #9: The New DeferReactivation= Switch in .timer Units (https://mastodon.social/@pid_eins/113468949960210477)

• Post #10: Support for the New IPE LSM (https://mastodon.social/@pid_eins/113474628446972762)

• Post #11: Environment Variables for Shell Prompt Prefix/Suffix (https://mastodon.social/@pid_eins/113480519788031317)

• Post #12: sysctl Conflict Detection via eBPF (https://mastodon.social/@pid_eins/113491516929371648)

• Post #13: initrd and µcode UKI Add-Ons (https://mastodon.social/@pid_eins/113505888590064562)

• Post #14: SecureBoot Signing with the New systemd-sbsign Tool (https://mastodon.social/@pid_eins/113508663882187676)

• Post #15: Managed Access to hidraw devices in systemd-logind (https://mastodon.social/@pid_eins/113514266248183685)

• Post #16: Fuzzy Filtering in userdbctl (https://mastodon.social/@pid_eins/113520730307228083)

• Post #17: MAC Address Based Alternative Network Interface Names (https://mastodon.social/@pid_eins/113526181930069497)

• Post #18: Conditional Copying/Symlinking in tmpfiles.d/ (https://mastodon.social/@pid_eins/113542791707767760)

• Post #19: Automatic Service Restarts in Debug Mode (https://mastodon.social/@pid_eins/113548780685011324)

• Post #20: Filtering by Invocation ID in journalctl (https://mastodon.social/@pid_eins/113553862192857423)

• Post #21: Supplement Partitions in repart.d/ (https://mastodon.social/@pid_eins/113559499843745770)

• Post #22: DeviceTree Matching in UKIs (https://mastodon.social/@pid_eins/113565367864400184)

• Post #23: The New ssh-exec: Protocol in varlinkctl (https://mastodon.social/@pid_eins/113582241211076013)

• Post #24: SecureBoot Key Enrollment Preparation with bootctl (https://mastodon.social/@pid_eins/113587886819830702)

• Post #25: Automatically Installing confext/sysext/portable/VMs/container Images at Boot (https://mastodon.social/@pid_eins/113593858094990730)

• Post #26: Designated Maintenance Time in systemd-logind (https://mastodon.social/@pid_eins/113622180396380788)

• Post #27: PID Namespacing in Service Management (https://mastodon.social/@pid_eins/113628059773250732)

• Post #28: Marking Experimental OS Releases in /etc/os-release (https://mastodon.social/@pid_eins/113633316699246556)

• Post #29: Decoding Capability Masks with systemd-analyze (https://mastodon.social/@pid_eins/113633418879095485)

• Post #30: Investigating Passed SMBIOS Type #11 Data (https://mastodon.social/@pid_eins/113639111278004977)

• Post #31: Initializing Partitions from Character Devices in repart.d/ (https://mastodon.social/@pid_eins/113639171654338584)

• Post #32: Entering Namespaces to Generate Stacktraces (https://mastodon.social/@pid_eins/113644653430055429)

• Post #33: ID Mapped Mounts for Per-Service Directories (https://mastodon.social/@pid_eins/113644968673016589)

• Post #34: A Daemon for systemd-sysupdate (https://mastodon.social/@pid_eins/113661595029794773)

• Post #35: User Record Modifications without Administrator Consent in systemd-homed (https://mastodon.social/@pid_eins/113661637019131657)

• Post #36: DNR DHCP Support (https://mastodon.social/@pid_eins/113667227576493517)

• Post #37: Name Based AF_VSOCK ssh Access (https://mastodon.social/@pid_eins/113667254835871626)

I intend to do a similar series of serieses of posts for the next systemd release (v258), hence if you haven’t left tech Twitter for Mastodon yet, now is the opportunity.