Difference between revisions of "Sysctl (command)"
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↑ https://github.com/prometheus/node_exporter
↑ https://github.com/moby/moby/pull/37701
Line 4: | Line 4: | ||
* <code>sysctl -a, --all</code> Display all values currently available. | * <code>sysctl -a, --all</code> Display all values currently available. | ||
− | * <code>sysctl -p</code> | + | * <code>sysctl -p</code> Load in sysctl settings. |
* <code>[[/etc/sysctl.d/]]</code> | * <code>[[/etc/sysctl.d/]]</code> | ||
* <code>[[/etc/sysctl.conf]]</code> | * <code>[[/etc/sysctl.conf]]</code> |
Revision as of 11:55, 28 August 2023
sysctl -a, --all
Display all values currently available.sysctl -p
Load in sysctl settings./etc/sysctl.d/
/etc/sysctl.conf
sysctl vm.swappiness
sysctl -w vm.nr_hugepages = 204832 sysctl -w vm.max_map_count=262144
iptables -t nat -A PREROUTING -i eno1 -p tcp --dport 5900 -j DNAT --to 127.0.0.1:5900 sysctl -w net.ipv4.ip_forward=1 sysctl -p /etc/sysctl.conf
sysctl -w kernel.perf_event_paranoid=X (node exporter [1])
sysctl -w net.ipv4.ip_forward=1
sysctl -w net.ipv6.conf.all.forwarding=1
sysctl -q net.ipv4.conf.all.src_valid_mark=1
sysctl -w vm.max_map_count=262144
net.ipv4.tcp_mtu_probing
(SSH2_MSG_KEX_ECDH_REPLY)
sysctl -w fs.file-max=100000
sysctl -w vm.nr_hugepages = 204832
Related terms
- Docker added support for
sysctl
options in docker services[2] in docker (2019-07-22) - Tunning
sysctl fs.file-max
- K8s 1.21 (April 2021) added support for sysctl
- Redis values.yml: sysctl.enabled: false
See also
sysctl, -a, -p, -w
,vm.swappiness
,/etc/sysctl.conf
,/etc/sysctl.d/
,net.ipv4.ip_forward
, OOM,Kernel.shmmax
,prlimit
procps
: Proc,sysctl
,slabtop
,/etc/timezone
- Process, zombie process, fork, thread:
ps
,tree
,pstree
,ps axf
,proc
,pwdx
,which
,watch
,sar -q
,tload
,uptime
, Interrupts,pgrep
,tasklist
(Windows), Zombie process,pstack
,docker ps
,docker-compose ps
,jobs
,acct
,process mrelease
,pidstat
, IPC,pidof
- Linux Kernel: namespaces, Cgroups, OOM, proc, Linux Kernel changelog,
sysctl, userfaultfd
, Grub, ENOSPC, ENOMEM, DKMS, syscall, Transparent huge pages, smatch, sysfs, vm.swappiness, CFS, Runlevel, Jens Axboe, Consistent Network Device Naming, Initial ramdisk (initrd),modprobe
, MTD, Linux Kernel vulnerabilities,/sys/kernel/
, KernelCare,unix://
, Data Plane Development Kit (DPDK)
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