packagemainimport("flag""fmt")funcmain(){var(nameFlag=flag.String("name","Sam","Nameofthepersontosayhelloto")quietFlag=flag.Bool("quiet"

Linux中存在一个特殊的设备文件/dev/tcp/<HOSTNAME>/<PORT>，该文件可以直接和目标建立TCP通信，利用这一特性可以进行端口检测。 zzh@ZZHPC:/dev$lh|greptcpzzh@ZZHPC:/dev$echo>/dev/tcp/192.168.1.16/21zzh@ZZHPC:/dev$echo>/dev/tcp/192.168.1.16/22bash:conne

  funcmain(){messageCh:=make(chanint,10)disconnectCh:=make(chanstruct{},1)fori:=0;i<10;i++{messageCh<-i}gofunc(){for{select{casev:=<-messageCh:

  Executing'modprobevboxdrv'didn'twork:zzh@ZZHPC:~$sudomodprobevboxdrvmodprobe:FATAL:Modulevboxdrvnotfoundindirectory/lib/modules/6.5.0-14-generic HadtoremoveVirtualbox6.1andinstallVirtualbox7.0:zzh@ZZHPC:~

 zzh@ZZHPC:~/Downloads$curl-Lhttps://packagecloud.io/golang-migrate/migrate/gpgkey|sudoapt-keyadd-%Total%Received%XferdAverageSpeedTimeTimeTimeCurrentDloadUploadTotalSpent

 zzh@ZZHPC:/zdata/Github/zimplebank$npminstall-g@dbml/cli zzh@ZZHPC:/zdata/Github/zimplebank$dbml2sql--helpUsage:dbml2sql[options]<files...>Options:-V,--versionoutputtheversionnumber--mysql

 zzh@ZZHPC:~$dbdocslogin?Choosealoginmethod:Email?Youremail:[email protected]✔Requestemailauthentication?PleaseinputOTPcodesenttotheemail:914566✔Logintoyouraccount✔Validatetoken✔SavecredentialDone.zzh@ZZHPC

zzh@ZZHPC:~$sudoaptinstallpostgresql-client zzh@ZZHPC:~$psql--versionpsql(PostgreSQL)14.9(Ubuntu14.9-0ubuntu0.22.04.1) zzh@ZZHPC:~$psqlpostgresql://root:aaa@localhost:5432/zimple_bankpsql(14.9(Ubuntu14.9-0ubuntu0.22.04.1),server

zzh@ZZHPC:~$dockerpullpostgres:alpinezzh@ZZHPC:~$dockerimagesREPOSITORYTAGIMAGEIDCREATEDSIZEpostgresalpine642d75c6be0c9daysago245MB zzh@ZZHPC:~$dockerrun--namepostgres16-p5432:5432-ePOSTGRES_

zzh@ZZHPC:/zdata/MyPrograms/Go/aaa$gotest-runNONE-bench.goos:linuxgoarch:amd64pkg:zzh/aaacpu:Intel(R)Core(TM)[email protected]/opPASSokzzh/aaa1.392szzh@ZZHPC:/zdata/MyPrograms/Go

zzh@ZZHPC:~$sleep120^Z[1]+Stoppedsleep120zzh@ZZHPC:~$bg%1[1]+sleep120&zzh@ZZHPC:~$[1]+Donesleep12010:01开始sleep，执行完后立刻执行Ctrl+Z中止。10:02执行bg%1(bgsleep也可以)来resumesleep进程。10:0

zzh@ZZHPC:/zdata/Github/zzhrepo1$gitadd-Azzh@ZZHPC:/zdata/Github/zzhrepo1$gitcommit-m"updatefunctionCubeVolume()"[main13f27a8]updatefunctionCubeVolume()1filechanged,9insertions(+),2deletions(-)zzh@ZZHPC:/zdata/Github/zzhr