If you know much about bash commands, you may have thought of using the WAIT command to control how bash executes your commands. The bash WAIT command is used to halt the execution of a script until all background jobs or specified JobID/PIDs terminate successfully and return an expected ex...
The wait command in Bash is a built-in function that halts the execution of the current shell until the specified jobs have finished. It then returns the exit status of the command for which it was waiting. This command plays a crucial role in the shell execution environment, and as such,...
doscommand 4月前 26阅读 ansibleuntil循环 ansiblewait_for讲解 文章目录一、user模块—创建用户并设置密码二、authorized_key模块上传公钥,配置ssh免密三、mysql_db模块创建数据库四、mysql_user模块创建用户并授权五、yum模块六、shell模块`切换目录,并执行多行命令`七、wait_for模块`检查端口``安装前检查端口状态,...
When a secure connection is closed, there is a possibility that a TCB (connection structure) with FIN-WAIT-2 status will not be released and will stay around forever until TCPIP is restarted. The problem occurs when TCPIP has already sent a FIN packet to close out the connection, but it...
The CPU remains idle, known as IO_WAIT, until the I/O controller finishes serving the request. And if system has number of processors then the cpu which is serving to that particular task will wait for IO and will be idle for that amount of time, the other processors will be assigned ...
Exitwith the primary command's exit_code if the primary command finishes. This all assumes that the /secrets volume was mounted and the environment variables $MYSQLSERVER, $MYSQLPORT and $DEPLOYMENT_ENV were set when the container started. Note thatdockerfyexpands the environment variables in its...
Here,the-noption makes thewaitcommand block until one of the three child processes ends. In our case, the first child process will also be the one that finishes first: $ ./testwait.sh parent process 100 starting child process 101 starting child process 102 starting child process 103 starting...
Exit with the primary command's exit_code if the primary command finishes. This all assumes that the /secrets volume was mounted and the environment variables $MYSQLSERVER, $MYSQLPORT and $DEPLOYMENT_ENV were set when the container started. Note that dockerfy expands the environment variables in...