X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd-journald.service.xml;h=bc32c8e38bd29c942de2967a84846c133597ca7c;hb=5b7d4c1c164d91b8c28c3dcd3921ad9863953ffa;hp=83c59d463b1afb4b859805f4c6f4e094b2afaa25;hpb=ee1c0ad436efef9d2688a48917bf77d65a0ce675;p=elogind.git diff --git a/man/systemd-journald.service.xml b/man/systemd-journald.service.xml index 83c59d463..bc32c8e38 100644 --- a/man/systemd-journald.service.xml +++ b/man/systemd-journald.service.xml @@ -46,7 +46,7 @@ systemd-journald.service systemd-journald.socket systemd-journald - systemd Journal Service + Journal service @@ -134,10 +134,10 @@ Kernel Command Line A few configuration parameters from - journald.conf may be overriden on + journald.conf may be overridden on the kernel command line: - + systemd.journald.forward_to_syslog= systemd.journald.forward_to_kmsg= @@ -158,6 +158,38 @@ + + Access Control + + Journal files are by default owned and readable + by the systemd-journal system group + (but not writable). Adding a user to this group thus + enables her/him to read the journal files. + + By default, each logged in user will get her/his + own set of journal files in + /var/log/journal/. These files + will not be owned by the user however, in order to + avoid that the user can write to them + directly. Instead, file system ACLs are used to ensure + the user gets read access only. + + Additional users and groups may be granted + access to journal files via file system access control + lists (ACL). Distributions and administrators may + choose to grant read access to all members of the + wheel and adm + system groups with a command such as the + following: + + # setfacl -Rnm g:wheel:rx,d:g:wheel:rx,g:adm:rx,d:g:adm:rx /var/log/journal/ + + Note that this command will update the ACLs both + for existing journal files and for future journal + files created in the + /var/log/journal/ + directory. + See Also @@ -165,7 +197,9 @@ systemd1, journalctl1, journald.conf5, - systemd.journal-fields7 + systemd.journal-fields7, + sd-journal3, + setfacl1