The nohup command uses

nohup Command to use

function jar package Run for a long time and save the log to spring.log

nohup java -jar spring.jar >temp.log &  

Error message nohup: Ignore input redirection error to standard output

Modify the command to :

nohup java -jar spring.jar >temp.log  2>&1 &

explain : I / O redirection
Definition ： In order to process data more efficiently , You need to put multiple Linux Commands are properly combined , Make them work together , Do that , You must understand the principle of command input redirection and output redirection .

Input redirection ： It means importing a file into a command ;
Output redirection ： It refers to writing the data information originally to be output to the screen into the specified file . It is also divided into standard output redirection and error output redirection .

The following table shows the symbols used in output redirection and their functions

command > file Redirect standard output to a file （ Empty the data of the original file ）
command >> file Redirect standard output to a file （ Append to the original content ）
command 2> file Redirect error output to a file （ Empty the data of the original file ）
command 2>> file Redirect error output to a file （ Append to the original content ）
&> or 2>&1 Writes both standard and error output to a file