docker 调整docker info 信息

admin

docker info
Client:
Context:    default
. }0 A. E: u, W2 [! i8 A$ O Debug Mode: false
- Q# p$ ~' S3 w7 O Plugins:
: ^2 A" v) O1 `' k( P  buildx: Docker Buildx (Docker Inc.)
# G0 u! V! J  P3 g4 E* I    Version:  v0.10.4
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
+ }* q  E* u9 L* K( i    Version:  v2.17.2
    Path:     /usr/libexec/docker/cli-plugins/docker-compose
: ^% G' N9 s% c5 n  scan: Docker Scan (Docker Inc.)
' _, I) t- o% A: F' @    Version:  v0.23.0
    Path:     /usr/libexec/docker/cli-plugins/docker-scan

Server:
2 B! M. c/ b4 d+ C3 X Containers: 8
  Running: 8
- t# V8 y% x2 a: S% g) Z  f1 J* G  Paused: 0
6 L4 b2 p. K$ Z" ~! p4 I  Stopped: 0
6 A: W* j$ F5 u  O0 x Images: 5
  V0 O8 ^( f9 X) S' l: [ Server Version: 23.0.2
Storage Driver: overlay2
7 i! \& H0 @' G9 y7 ]9 _( D  Backing Filesystem: xfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
+ B! D9 M6 p, F% Z: \5 q  userxattr: false
3 a1 O' N1 S9 r4 M. Z Logging Driver: json-file
Cgroup Driver: cgroupfs
" `4 B! a* W8 M3 R Cgroup Version: 1
- T; t: V9 m& g# m1 r$ h+ K/ g Plugins:
$ s1 x4 u' R; _2 t$ C9 j  Volume: local
  ?! \9 |9 F0 U( Q  Network: bridge host ipvlan macvlan null overlay
& G+ o- S6 E; }: [$ m  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
7 |5 ~4 O2 ?7 S# m Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
+ H* K$ B. i' u7 z/ ?9 F Default Runtime: runc
# C+ R2 i, l1 Z& l& f2 `) S& X Init Binary: docker-init
containerd version: 1e1ea6e986c6c86565bc33d52e34b81b3e2bc71f
, Y) l1 J6 B0 _ runc version: v1.1.4-0-g5fd4c4d
- _( x. ^; Y. f' O init version: de40ad0
Security Options:
5 K+ B/ y/ j$ T8 W2 c  seccomp
' H7 f: A6 Z/ o" p   Profile: builtin
Kernel Version: 4.18.0-373.el8.x86_64
9 o  O- J$ @: m9 x Operating System: CentOS Stream 8
OSType: linux
  A; ]# J, ]1 w+ E Architecture: x86_64
3 }  j  T6 M1 _ CPUs: 2
$ s- k$ z6 g: o4 V2 X, E; k- ] Total Memory: 3.618GiB
# r7 U! M0 d) ~- G1 K Name: controller2
ID: 03bf6ad8-7640-4bf6-a733-b4a34d91ca03
+ [. R! ~) M! j/ y6 m% d Docker Root Dir: /data/docker
Debug Mode: false
, r* d$ ~5 X# _# `/ |; b; F8 m1 ` Registry: https://index.docker.io/v1/
Experimental: false
9 ^8 l( I& m/ i& C. [9 G) ]6 j Insecure Registries:
  127.0.0.0/8
" }$ G0 b+ k, n' R  t2 L Live Restore Enabled: false

WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled
; Q8 P7 u' u3 ]. \1 W
7 t7 Z% P* e) S2 D% o2 J1 z


. ?0 ]) D; `  aWARNING: IPv4 forwarding is disabled
WARNING: bridge-nf-call-iptables is disabled
, n# E' s- I) U5 W/ ~+ j1 Y: o% oWARNING: bridge-nf-call-ip6tables is disabled


; t  }* R! G  T9 O

admin

执行docker info出现如下警告
/ d1 N- x: W% i6 o1 ^# G
WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled

5 k) @2 J& P$ z: C; F* K5 M解决办法：
9 R3 `: E1 y! q& l# U2 svi /etc/sysctl.conf
% a5 \, m+ I: P0 T1 |
) _& r3 ^- _9 P( B% S! ^! I1 k# c6 ~' L1 _添加以下内容
6 q9 K: R6 O8 P6 ?+ V/ F9 onet.bridge.bridge-nf-call-ip6tables = 1
$ Y( O( d, T& E; Cnet.bridge.bridge-nf-call-iptables = 1

admin

docker info
+ X" r! _3 T; GClient:
Context:    default
Debug Mode: false
Plugins:
6 L5 f2 D2 A/ Q$ L) q  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.10.4
& p3 [% u$ K1 a: ^8 m' V6 Q    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
" @% T# J: `# T" R5 X4 P    Version:  v2.17.2
6 L( ^) M% J/ }8 }    Path:     /usr/libexec/docker/cli-plugins/docker-compose
  scan: Docker Scan (Docker Inc.)
) x# t, o6 R3 ]8 |    Version:  v0.23.0
    Path:     /usr/libexec/docker/cli-plugins/docker-scan

Server:
: i' s: t  n; i7 P; f Containers: 9
% @$ s( o( A. Y$ x0 F! ]: Q! k* P. a  Running: 9
' f4 ]" v% q4 t, i6 e  Paused: 0
  Stopped: 0
1 u$ _0 u% r5 x) W2 F& G' P Images: 41
" _" P& Q* E4 Y& c- ]) ]% q7 c Server Version: 23.0.2
Storage Driver: overlay2
  Backing Filesystem: xfs
  Supports d_type: true
, Z/ r5 @# D2 |" I  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
Logging Driver: json-file
6 f5 u+ Y" }4 K/ \' V8 Y0 ^ Cgroup Driver: cgroupfs
Cgroup Version: 1
Plugins:
  Volume: local
& Z" X5 C( p8 U+ y  Network: bridge host ipvlan macvlan null overlay
9 Y* l0 S0 G5 U  O  Z  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
& _+ @0 L: _# \ Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
+ c" Q& _0 x0 G Default Runtime: runc
. ~1 O% Y6 ]0 B5 P$ S& V Init Binary: docker-init
8 C! {  ?. e. t9 l5 c  d9 x5 r5 \ containerd version: 1e1ea6e986c6c86565bc33d52e34b81b3e2bc71f
5 ?# a% i, b& Q, ~4 O runc version: v1.1.4-0-g5fd4c4d
0 \; h8 _. A/ `; V6 r" o) R0 | init version: de40ad0
" X0 q4 f8 T6 X6 [5 k7 w Security Options:
/ a  d: v4 `6 i/ O9 o  seccomp
   Profile: builtin
Kernel Version: 4.18.0-373.el8.x86_64
Operating System: CentOS Stream 8
OSType: linux
Architecture: x86_64
CPUs: 2
# X7 g7 K' o  u5 Z9 i Total Memory: 3.618GiB
Name: controller1
ID: ee5d1ceb-511d-48d4-a98a-6976ff290a45
& C4 p  b! x3 y* E0 Q Docker Root Dir: /data/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
8 }, a; d' j8 L# G Experimental: false
Insecure Registries:
  127.0.0.0/8
* H0 v& k2 ]) h Registry Mirrors:
  https://iby0an85.mirror.aliyuncs.com/
4 j, R& q" l  n' U; d8 e  https://registry.docker-cn.com/
7 d8 A1 W; r+ Q  http://hub-mirror.c.163.com/
. K, f5 V- U# X+ b2 T  https://docker.mirrors.ustc.edu.cn/
: E# w8 |8 P% u& r+ R Live Restore Enabled: false
! }3 L( i1 G8 j- f/ ^

admin

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

8 F1 q. z; C* N- o3 _$sudo sysctl net.bridge.bridge-nf-call-ip6tables=1