Scripts generated during the learning process

Search for strings
in the files of multiple pod containers for i in $(kubectl get pods -n xxx-dev -o custom-columns=name:.metadata.name|grep aaa-http);do
    echo "pod=== ==============="$i;
    echo "path:/dir/templateweb."${2}".log";
    echo "csid========== ======"$1;
    kubectl exec -it $i -n xxx-dev - grep $1 /dir/templateweb.${2}.log;
done;

Start virtualbox virtual machine without interface in windows environment
:
cd D:\Program Files\Oracle\VirtualBox
VBoxManage startvm centos7-mini-s110 -type headless
VBoxManage startvm centos7-mini-s111 -type headless
VBoxManage startvm centos7-mini-s112 -type headless
VBoxManage startvm centos7-mini-s113 -type headless
VBoxManage startvm centos7-mini-s114 -type headless
Pause

Close the interfaceless virtualbox virtual machine
d in the windows environment :
cd D:\Program Files\Oracle\VirtualBox
VBoxManage controlvm centos7-mini-s110 poweroff
VBoxManage controlvm centos7-mini-s111 poweroff
VBoxManage controlvm centos7-mini-s112 poweroff
VBoxManage controlvm centos7-mini -s113 poweroff
VBoxManage controlvm centos7-mini-s114 poweroff
Pause

ftp文件下载
#!/bin/bash 
ftp -n <<EOF 
open $1 $2 
user $3 $4 
binary 
prompt 
get $5 $6 
close 
bye 
EOF

sftp file download
lftp -u $3,$4 sftp://$1:$2<<EOF
cd $5
lcd $6
get $7 -o $8
by
EOF
echo $?