docker 调整docker info 信息

admin

docker info
: d6 \3 g+ w. y/ u! n* P4 y/ l* J8 gClient:
Context:    default
Debug Mode: false
2 U) C& L! G/ U  Q3 [# F( `* y Plugins:
. h8 v3 C- F% ?+ `  buildx: Docker Buildx (Docker Inc.)
& i! ?) w( C. G% q9 e5 f    Version:  v0.10.4
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
2 V% @+ h# @: M8 K! _! h  compose: Docker Compose (Docker Inc.)
    Version:  v2.17.2
    Path:     /usr/libexec/docker/cli-plugins/docker-compose
: y" v( o8 R( S! a  scan: Docker Scan (Docker Inc.)
& l( _  u$ _' Y: ]1 R7 x    Version:  v0.23.0
8 {; v. E/ e) F4 I    Path:     /usr/libexec/docker/cli-plugins/docker-scan

Server:
Containers: 8
5 f- d, ]6 E/ M4 H8 d  Running: 8
  L; ]+ C& i( x  Paused: 0
  _6 i3 l& i6 O8 i& V  Stopped: 0
* J% t: O2 a- {' ? Images: 5
Server Version: 23.0.2
Storage Driver: overlay2
, a* v  `, t" B- k/ W  Backing Filesystem: xfs
: E8 m( g; a' V* H8 B  Supports d_type: true
9 {5 x$ Q/ e7 r8 ]4 h1 Z  Using metacopy: false
7 W" m% N. u6 L7 \" ]* |  Native Overlay Diff: true
6 N7 ?0 J! Y! q+ @. `  userxattr: false
+ s) |( A+ h) |6 O Logging Driver: json-file
3 W  S! T& ?* t0 z Cgroup Driver: cgroupfs
Cgroup Version: 1
0 |& ?7 n) ~3 e1 o) E# G' t0 W Plugins:
  Volume: local
+ W; Q7 n4 O8 Q' o1 c  g  Network: bridge host ipvlan macvlan null overlay
$ t% v8 e) z( w) t8 i  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
) `% U6 l6 g3 a& R+ C6 @ Swarm: inactive
+ o5 e0 k2 r5 Q0 Y5 d- `# M Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
9 v" H* o" I! y+ y" { Init Binary: docker-init
6 c3 v8 L1 X1 O/ P' l) v2 K containerd version: 1e1ea6e986c6c86565bc33d52e34b81b3e2bc71f
runc version: v1.1.4-0-g5fd4c4d
init version: de40ad0
+ r9 E* ^, s# q. @, o" Q" E Security Options:
# e2 U! M! s8 [- E3 a  seccomp
5 E" j; o8 c5 z1 ^; b   Profile: builtin
' q$ f5 V8 `7 L( O Kernel Version: 4.18.0-373.el8.x86_64
; S$ Y8 L- {) E Operating System: CentOS Stream 8
8 h7 ~$ _6 |& ~; ] OSType: linux
* f+ t6 R+ \7 E# i' T Architecture: x86_64
1 ?0 Z* w$ {: z& I; m CPUs: 2
0 Q, k& k$ e( a2 Z7 ^ Total Memory: 3.618GiB
3 v) U! @9 G( z7 N" G* G, n Name: controller2
ID: 03bf6ad8-7640-4bf6-a733-b4a34d91ca03
Docker Root Dir: /data/docker
, Y1 \9 a; E/ F# s6 Q Debug Mode: false
  t  E! _/ E6 J8 a6 C- j3 e Registry: https://index.docker.io/v1/
Experimental: false
Insecure Registries:
. e  Q5 P  h1 d8 ]7 k, n. M  127.0.0.0/8
, L4 T, v7 E! R Live Restore Enabled: false

8 y9 @0 i0 [/ ?# DWARNING: bridge-nf-call-iptables is disabled
" a6 Z0 O' N: q' s2 T, ^WARNING: bridge-nf-call-ip6tables is disabled
8 e; F- v- i! P6 F$ p
' ?: @8 n3 r6 V5 K
3 Q! l" h: |  O
7 L7 Q1 ^2 M4 {% B
WARNING: IPv4 forwarding is disabled
  D9 x: {2 E- c" ZWARNING: bridge-nf-call-iptables is disabled
1 t4 s$ I3 V. B1 t3 z+ ~WARNING: bridge-nf-call-ip6tables is disabled


* Z3 x8 Z& y5 L) z9 i# m7 F

admin

执行docker info出现如下警告

WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled

解决办法：
vi /etc/sysctl.conf
. j8 i1 O! f6 j9 o; [8 Z
& G: s# h8 J* R+ t' R, }添加以下内容
net.bridge.bridge-nf-call-ip6tables = 1
) ^+ |# p$ c- V- x, x/ Wnet.bridge.bridge-nf-call-iptables = 1

admin

docker info
# ~  p1 F9 N' H8 N/ Z3 @Client:
4 O) `/ W/ {6 S- F$ K Context:    default
Debug Mode: false
Plugins:
, j3 Q) S. K8 \6 J) w  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.10.4
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
" x% w/ E' c% V4 j1 `& h  compose: Docker Compose (Docker Inc.)
. _2 r6 S7 L- T. x$ G  p    Version:  v2.17.2
    Path:     /usr/libexec/docker/cli-plugins/docker-compose
4 B+ P8 ?! m1 L. _  scan: Docker Scan (Docker Inc.)
6 B+ a% Q6 q9 ~) h    Version:  v0.23.0
    Path:     /usr/libexec/docker/cli-plugins/docker-scan

% Q7 H. B" D* ^Server:
Containers: 9
0 P7 [( v$ w/ z6 q. N: Q5 ]) W  Running: 9
+ B. F* r5 L3 k. G0 |3 x% D3 C  Paused: 0
2 G5 k! P6 T) s! G  Stopped: 0
9 R, ^+ M/ i9 \. Y3 Z  c4 g Images: 41
Server Version: 23.0.2
Storage Driver: overlay2
  Backing Filesystem: xfs
( M" D: Q$ F, e- n) o  Supports d_type: true
" d4 V& y3 i+ V2 n1 \$ @5 }  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
Logging Driver: json-file
Cgroup Driver: cgroupfs
6 P$ Q4 C$ j. U5 V* a; N% s* K$ Z' L: F Cgroup Version: 1
$ g; J3 z4 Y6 J& z  e5 A/ ?" ]5 k! @% H Plugins:
1 T& H9 t* S' Q# B. y% |  Volume: local
  Network: bridge host ipvlan macvlan null overlay
$ G& x# J- ?& x" t8 d% r  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
! ^/ \# |6 [+ ]- b! U Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
; Q6 Q5 g$ L$ a/ ]' }! K3 r, F/ y; O  V Init Binary: docker-init
: B9 s! v7 y" ]  Y6 I containerd version: 1e1ea6e986c6c86565bc33d52e34b81b3e2bc71f
runc version: v1.1.4-0-g5fd4c4d
# Y+ h# e. g5 l( V( b* B) H init version: de40ad0
Security Options:
0 V4 ~$ M5 v5 ?5 K7 e  seccomp
   Profile: builtin
+ a. s+ n% w) f# W" |2 k Kernel Version: 4.18.0-373.el8.x86_64
Operating System: CentOS Stream 8
8 P( d7 @2 `- F/ V% Y" g OSType: linux
+ n3 Q  _  s5 d5 p Architecture: x86_64
, U4 ?: c* G# G CPUs: 2
Total Memory: 3.618GiB
6 H. p* Q- {% k; `- a$ {0 m Name: controller1
ID: ee5d1ceb-511d-48d4-a98a-6976ff290a45
) ^! O( s$ F! m$ o8 k Docker Root Dir: /data/docker
Debug Mode: false
+ A9 I$ c0 \% {! v9 |) t# r( N Registry: https://index.docker.io/v1/
) \/ @' B5 k& a# k$ T Experimental: false
Insecure Registries:
1 _# j: j* T" }* L/ J6 v8 t  127.0.0.0/8
Registry Mirrors:
$ a* c7 _7 c4 i% w0 [' Z6 e  https://iby0an85.mirror.aliyuncs.com/
/ u5 M: }, r3 j, [$ E: W% I! W  https://registry.docker-cn.com/
5 [# j/ ]* s7 [! w& S  http://hub-mirror.c.163.com/
  https://docker.mirrors.ustc.edu.cn/
Live Restore Enabled: false

- v: ?& |; U3 o" Q

admin

$sudo sysctl net.bridge.bridge-nf-call-iptables=1

: o: s* Z% K8 H$ D$sudo sysctl net.bridge.bridge-nf-call-ip6tables=1