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This was referenced Sep 25, 2024
The github.com/moby/sys/capability package is a fork of the original
one, which apparently is no longer maintained.
Note that "workaround for RHEL6" is removed for a number of reasons.
Feel free to choose the one you like the most, either is sufficient:
1. /proc/sys/kernel/cap_last_cap is available since RHEL 6.7
(kernel 2.6.32-573.el6), released 9 years ago (2015-07-22).
2. It incorrectly returns CAP_BLOCK_SUSPEND (36), which was only added
in kernel v3.5 and was never backported to RHEL6 kernels. The
correct value for RHEL6 would be CAP_MAC_ADMIN (33).
3. As far as upstream kernels go, /proc/sys/kernel/cap_last_cap was
added in kernel v3.2, and a correct value depends on the kernel
version. It could be CAP_WAKE_ALARM (35), added to kernel v3.0, or
CAP_SYSLOG (34), added to kernel v2.6.38, or possibly a lesser value
for even older kernels.
Bump go to 1.21 in go.mod since this is the minimally required version
for moby/sys/capability.
Signed-off-by: Kir Kolyshkin <[email protected]>
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Currently a draft pending #776 merge.
The github.com/moby/sys/capability package is a fork of the original
one, which is apparently no longer maintained.
For changes since the fork took place, see
https://github.com/moby/sys/blob/main/capability/CHANGELOG.md
Note that "workaround for RHEL6" is removed for a number of reasons.
Feel free to choose the one you like the most, either is sufficient:
/proc/sys/kernel/cap_last_cap is available since RHEL 6.7
(kernel 2.6.32-573.el6), released 9 years ago (2015-07-22).
It incorrectly returns CAP_BLOCK_SUSPEND (36), which was only added
in kernel v3.5 and was never backported to RHEL6 kernels. The
correct value for RHEL6 would be CAP_MAC_ADMIN (33).
As far as upstream kernels go, /proc/sys/kernel/cap_last_cap was
added in kernel v3.2, and a correct value depends on the kernel
version. It could be CAP_WAKE_ALARM (35), added to kernel v3.0, or
CAP_SYSLOG (34), added to kernel v2.6.38, or possibly a lesser value
for even older kernels.