I want to evaluate the expression and display the output correct to 3 decimal places i tried with below code but it is not working help me how to do that in bash. Answer With bc: Output: 17.928
Ubuntu 18.04 start mysql without root privilege
I just installed ubuntu 18.04 and installed LAMP on it, however I had trouble using mysql without the root privilege. when I write: mysql -u root -p and enter the password I configured it throws access denied. unless if I write sudo mysql -u root -p and enter the password that I’m able to connect. But I…
What is the best way to give a Linux command from one machine to a different machine? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
How to add a string to line 13 in my text file
I have a very large text file that is difficult to open in text editors. Lines 12 – 15 are: I would like to add: 3 196 to line 14 and then have a blank line between 3 196 and Atoms like it is currently. I tried: But it did not seem to change anything. Anyone know of how I
Docker won’t bind to address; says it’s in use but it isn’t
I’m trying to bind two ports from a docker container to a currently unused IP address on one of the host machine’s interfaces. I’m attempting to start the container (which is based on the centos/systemd image) like this: and it fails with the message: Error starting userland proxy: listen tc…
Remove first 3 characters and last 1 character from all mp3 files in all subdirectory
In base directory i have folders like this: so in each of them i have files like so i want to remove first 3 characters and last 1 character so files will look like this i tried this also this is not working in subdirectories it is just if files are in base directory Answer You may use this while
bash printf not working – decimals [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 4 y…
Symbolic link difference between cp -sr and ln -s [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
GNU Parallel – How to capture the output in files with names using input argument
Running the parallel command as: I want the respective output to be in files with names: – log_user1_tag1.txt – log_user2_tag2.txt Answer Figured out the way:
Why doesn’t this attempt at using sys_write do anything?
Here it is: Not only does this code not segfault, it also outputs nothing. According to what I’ve read, a program should call sys_exit, or it would segfault, but this does not happen. Answer This instruction will interpret the data at “msg” as 64-bit value and load that value into the regist…