Otherwise it's quite difficult to capture the entire output: $ userdbctl ssh-authorized-keys dropinuser --chain /bin/echo hello ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA//dxI2xLg4MgxIKKZv1nqwTEIlE/fdakii2Fb75pG+ foo@bar.tld ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMlaqG2rTMje5CQnfjXJKmoSpEVJ2gWtx4jBvsQbmee2XbU/Qdq5+SRisssR9zVuxgg5NA5fv08MgjwJQMm+csc= hello@world.tld hello $ userdbctl ssh-authorized-keys dropinuser --chain /bin/echo hello | tee hello (cherry picked from commit 5b09499cacd3c1c95ab240d041e28cc954a5975d)
System and Service Manager
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