Examples of using Sysctl in English and their translations into Japanese
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Run sudo sysctl-p to apply.
SYSCTL Configure kernel parameters for the container. lxc. sysctl.
Tuning Fixed wrong sysctl argument.
Then running sysctl- p will cause this change to take effect.
Upon successful completion,_sysctl() returns 0.
See Section SYSCTL VARIABLES for more details.
If the other end is very strict about TOS bit, use"RFC2401"(sysctl value -1).
In FreeBSD 2.2, sysctl was significantly remodeled.
Sysctl- This is the command we use for changing kernel parameters.
Kernel inotify monitor with dynamic sysctl limits for optimal performance.
The sysctl_ctx_init() function initializes a sysctl context.
This can be disabled via the kern. fast_vfork sysctl variable in case of problems.
Sysctl provides an interface that allows you to examine and change several hundred kernel parameters in Linux or BSD.
It is also possible to halt any CPU in the idle loop with the machdep. hlt_cpus sysctl variable.
In this command the/sbin/sysctl command is used to view, set, and automate kernel settings in the/proc/sys/ directory.
Dynamic rules expire after some time,which depends on the status of the flow and the setting of some sysctl variables.
Important: in this case, only the corresponding struct sysctl_ctx_entry is freed, but the oidp pointer remains intact.
The uname() function may fail and set errno for any of the errors specified for the library functions sysctl(3).
Sysctl tunables that control process debuggability(as determined by p_candebug(9)) also affect the operation of ktrace().
A packet is checked against the active ruleset in multiple places in the protocol stack,under control of several sysctl variables.
First, for each context entry, the function sysctl_remove_oid(9) is executed, with parameter del set to 0, which inhibits the freeing of resources.
The devstat_getnumdevs(), devstat_getgeneration(), and devstat_getversion()function return the indicated sysctl variable, or -1 if there is an error fetching the variable.
The sysctl_ctx_entry_find() function searches for a given oidp within a context list, either returning a pointer to the struct, sysctl_ctx_entry found, or NULL.
There may be a need for spl() protection around some of the devstat list manipulation code to ensure, for example, that the list of devices is not changed while someone is fetching the kern.devstat. all sysctl variable.
The sysctl utility presently exploits an undocumented interface to the kernel sysctl facility to traverse the sysctl tree and to retrieve format and name information.
Note that both trees are removed, and their resources freed, through one sysctl_ctx_free() call, which starts by freeing the newest entries(leaves) and then proceeds to free the older entries(in this case the nodes).