I tried doing Which gives me Following Python subprocess.Popen with var/args I did Which did work. Why is that? Why do I have to split my command and its arguments? What’s the rationale behind this design? Python version: Answer That’s how all process invocations work on UNIX. Under the hood, runn…
Tag: linux
How to fix syntax error at or near “psql” in psql ubuntu
I am entirely new to psql and not particularly familiar with some terms. I am following instructions on an ETL process for mimic-in the link here: https://github.com/chichukw/mimic-omop/blob/master/README-run-etl.md. When I run this code, it shows no output but this error: syntax error at or near “psql&…
Anaconda for linux 32 bit OS [closed]
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How can I specify a regex in a zgrep/zcat command?
I want to find in a list of words, every words with a least 3 times the same letter in it. To achieve that I did .*(w).*1.*1.*1.* and you can test it here http://www.regexplanet.com/advanced/java/index.html but I don’t know how to put it in my zgrep command. How can I insert this regex in a zgrep comman…
How to use zgrep and regular expression?
I’m trying to do some research in a .gz file so I found out I should use zcat / zgrep now after a bit of research I can’t figure out how to use a regex with zgrep I tried to do it like this zgrep ‘[sS]{10,}’ a.gz but nothing comes out even if there are string of minimum 10 characters
C Linux Check free space in mount
When I running df -h I can see that in /dev I use 6M and the size is 40M , and Available size is 34M . How can I get this information with c code? Answer From here: Use the statvfs API: and the prototype of the statvfs is The results will be filled to the buf statvfs struct: The
Single quoted full path files in a text file can’t do for loop processing mv: cannot stat … No such file or directory
I have a test file which contains a space-separated files that I want to move/delete. Example line: I want to move the files away to another directory in a for loop: But it gives me an error. Why? 2nd problem after this how could I move actually this file to the new place with included the original directory …
How to set cronjob on wake up from sleep? [closed]
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Is there a way to assign different jobs (processes) to specific core in linux using python?
I have python functions that should run parallelly in a linux environment utilizing multi cores. Is there a way to specify which core should be used for each process explicitly? Currently, I am using python multiprocessing module to run these python functions as parallel processes in 4 cores. Answer Possibly …
lsb_release: command not found in latest Ubuntu Docker container
I just wanted to test something out real quick. So I ran a docker container and I wanted to check which version I was running: So I tried installing it (as suggested here): Anybody any idea why this isn’t working? Answer It seems lsb_release is not installed. You can install it via: