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appending a text to file using cat >> is not working but echo with tee --append is working [duplicate]

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ margin-bottom:0;
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0

This question already has an answer here:

• 
  Redirecting stdout to a file you don't have write permission on
  
  7 answers
  
  


• 
  How do I use redirection with sudo [duplicate]
  
  3 answers
  
  

I want to append the line "include /etc/nginx/tcpconf.d/*;" to the file /etc/nginx/nginx.conf.

When I did run the below command, it failed -

$ sudo cat "include /etc/nginx/tcpconf.d/*;" >> /etc/nginx/nginx.conf

-bash: /etc/nginx/nginx.conf: Permission denied

When I did the same with below bash command it is successful -

$ echo "include /etc/nginx/tcpconf.d/*;" | sudo tee --append /etc/nginx/nginx.conf

include /etc/nginx/tcpconf.d/*;

Any idea why the previous command is not working?

bash shell-script

share|improve this question

asked 2 hours ago

Rajkumar NatarajanRajkumar Natarajan

1447

marked as duplicate by steeldriver, dhag, Jeff Schaller♦ bash
Users with the  bash badge can single-handedly close bash questions as duplicates and reopen them as needed.

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1 hour ago

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  First of all, you should use echo and not cat. Secondly, the sudo in the first case runs cat and not to the whole pipeline.
  
  – Kapil
  2 hours ago
  

  
  
  
  

add a comment | 

0

This question already has an answer here:

• 
  Redirecting stdout to a file you don't have write permission on
  
  7 answers
  
  


• 
  How do I use redirection with sudo [duplicate]
  
  3 answers
  
  

I want to append the line "include /etc/nginx/tcpconf.d/*;" to the file /etc/nginx/nginx.conf.

When I did run the below command, it failed -

$ sudo cat "include /etc/nginx/tcpconf.d/*;" >> /etc/nginx/nginx.conf

-bash: /etc/nginx/nginx.conf: Permission denied

When I did the same with below bash command it is successful -

$ echo "include /etc/nginx/tcpconf.d/*;" | sudo tee --append /etc/nginx/nginx.conf

include /etc/nginx/tcpconf.d/*;

Any idea why the previous command is not working?

bash shell-script

share|improve this question

asked 2 hours ago

Rajkumar NatarajanRajkumar Natarajan

1447

marked as duplicate by steeldriver, dhag, Jeff Schaller♦ bash
Users with the  bash badge can single-handedly close bash questions as duplicates and reopen them as needed.

StackExchange.ready(function() {
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1 hour ago

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  First of all, you should use echo and not cat. Secondly, the sudo in the first case runs cat and not to the whole pipeline.
  
  – Kapil
  2 hours ago
  

  
  
  
  

add a comment | 

This question already has an answer here:

• 
  Redirecting stdout to a file you don't have write permission on
  
  7 answers
  
  


• 
  How do I use redirection with sudo [duplicate]
  
  3 answers
  
  

I want to append the line "include /etc/nginx/tcpconf.d/*;" to the file /etc/nginx/nginx.conf.

When I did run the below command, it failed -

$ sudo cat "include /etc/nginx/tcpconf.d/*;" >> /etc/nginx/nginx.conf

-bash: /etc/nginx/nginx.conf: Permission denied

When I did the same with below bash command it is successful -

$ echo "include /etc/nginx/tcpconf.d/*;" | sudo tee --append /etc/nginx/nginx.conf

include /etc/nginx/tcpconf.d/*;

Any idea why the previous command is not working?

bash shell-script

share|improve this question

asked 2 hours ago

Rajkumar NatarajanRajkumar Natarajan

1447

$ sudo cat "include /etc/nginx/tcpconf.d/*;" >> /etc/nginx/nginx.conf

-bash: /etc/nginx/nginx.conf: Permission denied

$ echo "include /etc/nginx/tcpconf.d/*;" | sudo tee --append /etc/nginx/nginx.conf

include /etc/nginx/tcpconf.d/*;

share|improve this question

asked 2 hours ago

Rajkumar NatarajanRajkumar Natarajan

1447

share|improve this question

asked 2 hours ago

Rajkumar NatarajanRajkumar Natarajan

1447

asked 2 hours ago

Rajkumar NatarajanRajkumar Natarajan

1447

asked 2 hours ago

Rajkumar NatarajanRajkumar Natarajan

1447