1
 2
 3
 4
 5
 6
 7
 8
 9
10
11

apiVersion: v1
kind: Service
metadata:
  name: my-service
spec:
  selector:
    app.kubernetes.io/name: MyApp
  ports:
    - protocol: TCP
      port: 80
      targetPort: 9376

1
2
3
4

cat >> proxy.sh <<EOF
export http_proxy=http://99.0.85.1:808
export https_proxy=http://99.0.85.1:808
EOF

1
2
3
4

cat > proxy.sh <<EOF
export http_proxy=http://99.0.85.1:808
export https_proxy=http://99.0.85.1:808
EOF

1
2
3
4
5

sed -i 's#abc#def#g'  a.file  #将文件a.file中的abc替换成def
sed -i 's/^abc.*/abc=def/' a.file # 将a.file中以abc开头的一行替换成abc=def
sed -i '/ABC/,$d' a.file # 将a.file中从ABC开始（包括ABC）以后的所有行删除
sed -i '$a aabbccdd' a.file # 给a.file追加aabbccdd
cat geng.file | sed  's/abc/def/g'   ## 打印文件geng，并将其中的abc替换成def

1

yum -y install expect

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

#!/usr/bin/expect
# 本脚本需要安装 
# yum -y install expect
# yum install rsync -y

# 该脚本的作用为将指定名称的文件同步到其他节点
# params
# fname: 要同步的文件名
# hostip：目的节点
# user：目的节点用户名
# passwd：目的节点密码

# 设置变量
set fname [lindex $argv 0]
set hostip  [lindex $argv 1]
set user [lindex $argv 2]
set passwd [lindex $argv 3]
puts "fname=$fname"
puts "hostip=$hostip"
puts "user=$user"
puts "passwd=$passwd"

spawn rsync -rvl $fname $user@$hostip:/root/
expect {
 "*yes/no" {send "yes\r";exp_continue}
 "*password*:" {send "$passwd\r"}
}

expect eof

 1
 2
 3
 4
 5
 6
 7
 8
 9
10

[root@centos dashboard]# useradd agetest
[root@centos dashboard]# echo "agetest" | passwd --stdin agetest
Changing password for user agetest.
passwd: all authentication tokens updated successfully.
[root@centos dashboard]# chage -d 0 agetest
[root@centos dashboard]# chage -l agetest | head -n 3
Last password change					: password must be changed
Password expires					: password must be changed
Password inactive					: password must be changed
[root@centos dashboard]# logout

1
2
3
4
5
6
7
8

# 压缩
tar -jcv -f filename.tar.bz2 要被压缩的文件或目录名称

# 查询
tar -jtv -f filename.tar.bz2

# 解压缩
tar -jxv -f filename.tar.bz2 -C 欲解压缩的目录