Is there a way to effectively do this in bash: /my/bash/script < echo ‘This string will be sent to stdin.’ I’m aware that I could pipe the output from the echo such as this: echo ‘This string will be piped to stdin.’ | /my/bash/script 6 Answers 6
This question already has answers here: How to redirect and append both standard output and standard error to a file with Bash (9 answers) Closed 5 years ago. I am running a bash script that creates a log file for the execution of the command I use the following Command1 >> log_file Command2 >> log_file … Read more
I found this piece of code in /etc/cron.daily/apf #!/bin/bash /etc/apf/apf -f >> /dev/null 2>&1 /etc/apf/apf -s >> /dev/null 2>&1 It’s flushing and reloading the firewall. I don’t understand the >> /dev/null 2>&1 part. What is the purpose of having this in the cron? It’s overriding my firewall rules. Can I safely remove this cron job? … Read more
I know it is not recommended, but is it at all possible to pass the user’s password to scp? I’d like to copy a file via scp as part of a batch job and the receiving server does, of course, need a password and, no, I cannot easily change that to key-based authentication. 20 Answers … Read more
I would like to run a find and replace on an HTML file through the command line. My command looks something like this: sed -e s/STRING_TO_REPLACE/STRING_TO_REPLACE_IT/g index.html > index.html When I run this and look at the file afterward, it is empty. It deleted the contents of my file. When I run this after restoring … Read more
This question already has answers here: How to redirect and append both standard output and standard error to a file with Bash (9 answers) Closed 8 months ago. I want to redirect both standard output and standard error of a process to a single file. How do I do that in Bash? 15 s 15 … Read more
This question already has answers here: How to redirect and append both standard output and standard error to a file with Bash (9 answers) Closed 5 years ago. I know that in Linux, to redirect output from the screen to a file, I can either use the > or tee. However, I’m not sure why … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 10 months ago. Improve this question I’ve been given sudo access on one of our development RedHat linux boxes, and I seem to find myself … Read more
To redirect standard output to a truncated file in Bash, I know to use: cmd > file.txt To redirect standard output in Bash, appending to a file, I know to use: cmd >> file.txt To redirect both standard output and standard error to a truncated file, I know to use: cmd &> file.txt How do … Read more
