nohupbypasses the HUP signal (signal hang up), making it possible to run commands in the background even when the terminal is off. Combine this command with redirection to “/dev/null” (to prevent nohup from making a nohup.out file), and everything goes to the background with one comma...
-d, --detach Detached mode: run command in the background --detach-keys string Override the key sequence for detaching a container -e, --env list Set environment variables --env-file list Read in a file of environment variables -i, --interactive Keep STDIN open even if not attached --...
When executing a command in the terminal, you need to wait until the command finishes its execution. This is called the foreground process.However, some advanced programs need to be run in the background. In a Bash script, there is an easy way to make your command run in the background...
command >&2 把command的标准输出(stdout)重定向到标准错误(stderr)中; scriptname >>filename 把scriptname的输出(同>)追加到文件filenmae中,如果文件不存在则创建。 [i]<>filename 打开filename这个文件用来读或者写,并且给文件指定i为它的文件描述符(file descriptor),文件不存在就会创建。 34. (command)>,...
与号(Run job in background[ampersand])。 如果命令后面跟上一个&符号,这个命令将会在后台运行。 && || 逻辑操作符(logical operator)。 在测试结构中,可以用这两个操作符来进行连接两个逻辑值。||是当测试条件有一个为真时返回0(真),全假为假;&&是当测试条件两个都为真时返回真(0),有假为假。
If I redirect sterr in stout and then background (2>&1) the result is the same It seems that background command are not correctly executed. I read similar issue(#199698)exists and was closed without solution but I can say that the problem exists and is not related to the command runn...
As you will recall from Chapter 1, the & makes the command run in the background, which is really just another term for “subprocess.” It turns out that the only significant difference between Figure 4-1.c and Figure 4-1.b is that you have control of your terminal or workstation ...
# command command ls 在后台运行命令 这将运行给定命令并使其保持运行,即使在终端或SSH连接终止后也是如此。忽略所有输出。 bkr() { (nohup "$@" &>/dev/null &) } bkr ./some_script.sh # some_script.sh is now running in the background...
batch Used to run commands entered on a standard input. bc Access the GNU bc calculator utility. bg Send processes to the background. biff Notify about incoming mail and sender’s name on a system running comsat server. bind Used to attach a name to a socket. bison A GNU parser generato...
Whether using automation or simply a sequence of ssh commands, you can log in to a machine, run nohup /path/to/somecommand & and log out again. The & puts the command in the background; generally, if you are not waiting around for the result of the command execution, it makes sense...