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RCS file: /cvsrepo/anoncvs/cvs/www/74.html,v
retrieving revision 1.70
retrieving revision 1.71
diff -c -r1.70 -r1.71
*** www/74.html 2023/10/14 18:24:33 1.70
--- www/74.html 2023/10/14 18:30:35 1.71
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a random offset less than the step value. This can be used to avoid
thundering herd problems where multiple machines contact a server all
at the same time via cron jobs.
- Introduce a new group "_shutdown". Previously the "operator"
- group gave a user the ability to shutdown(8) a system. But this group
- also comes with superuser abilities for dumping disks and manipulating
- tape drives. With this change, the permissions are separated and users
- using the shutdown/reboot functionality with group "operator" will
- notice it no longer works. They need to move themselves to the new
- group.
Extend and improve the ibuf API in libutil and add
function for more specific data types, for modifying data at specific
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*** 571,577 ****
In malloc(3),
check all chunks in the delayed free list for write-after-free.
The shutdown(8)
! program can now only be executed by members of the
_shutdown group. The idea is that system
administrators can now remove most users from the excessively
powerful operator group, which in particular
--- 564,570 ----
In malloc(3),
check all chunks in the delayed free list for write-after-free.
The shutdown(8)
! program can now only be executed by members of the new
_shutdown group. The idea is that system
administrators can now remove most users from the excessively
powerful operator group, which in particular