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获取node信息4 `( h D5 Q: }: M3 j" G
[root@k8s-master ~]# kubectl get nodes
% b4 Y# |1 K& `6 t0 ?NAME STATUS ROLES AGE VERSION1 J7 ]/ R# `, i
k8s-master Ready control-plane 21h v1.31.42 m( Z& B; H4 l; I
k8s-node1 Ready <none> 21h v1.31.4
- l0 D ^! ~ Z( R! e5 L; }$ Vk8s-node2 Ready <none> 21h v1.31.4
+ K9 f( `3 E- m+ Z# x
' ?( ?0 }$ ]2 L, R% z; I修改标签：/ U& d4 {. |' G" b' x/ N6 {& M
[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=node1$ x0 X, v$ N) q. @( P
node/k8s-node1 labeled
- |9 f( ~! M8 N
+ I1 r" I# E6 d d+ M+ M @# s查看标签：$ C- z1 } E3 W' P% U7 f
[root@k8s-master ~]# kubectl get nodes & s7 X8 g( U& S- r% U0 r$ V
NAME STATUS ROLES AGE VERSION
; x6 r. |/ i' ^; N* Y8 }$ lk8s-master Ready control-plane 21h v1.31.4
6 S ^6 a0 f# d4 I0 Z) r0 gk8s-node1 Ready node1 21h v1.31.4
& l5 n; e, p* J. Gk8s-node2 Ready <none> 21h v1.31.4
# w% ?% [) l) O% D7 S6 E% q8 ~. b/ T4 w
重新修改的标签名称：
9 W6 l S9 N- o8 L[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1
8 m6 _# h& D5 u+ t- r2 W* p8 Lerror: 'kubernetes.io/role' already has a value (node1), and --overwrite is false0 v$ E# e# B! Q" p7 E% N
, L5 a5 u7 O w0 l+ n需要使用--overwrite写入
; w, l y0 o# M0 B[root@k8s-master ~]# kubectl label node k8s-node1 kubernetes.io/role=worker1 --overwrite
( ?+ ^$ }8 ~0 f; Rnode/k8s-node1 labeled
! B$ V$ I3 w6 }( _6 ?* Q8 g" m% ~: v3 _; F5 e
再次查看标签:4 ]8 n! z( s: V' N$ ^& X4 b
[root@k8s-master ~]# kubectl get nodes , H& `& q1 A/ ^, {& V. U( t: B
NAME STATUS ROLES AGE VERSION Z8 S7 K2 f2 H' ]* }
k8s-master Ready control-plane 21h v1.31.4
) ~7 w& e3 G& M4 `, pk8s-node1 Ready worker1 21h v1.31.4
( A/ Z5 N6 Y. {3 C% Bk8s-node2 Ready <none> 21h v1.31.40 F; a9 v! f5 j1 _/ ]
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发表于 2025-1-5 07:59:53