I have a list of ranges, and I am trying to merge subsequent entries which lie within a given distance of each other. In my data, the first column contains the lower bound of the range and the second column contains the upper bound. The logic follows: if the value in column 1 is less than or equal to the
Tag: linux
crontab (cronie), run certain days of the month
I want to make a crontab entry which will run on every weekday except the 1st, 2nd, and 3rd of each month. Here’s what I have: I thought that this had the following meaning: That is what I read in the crontab(5) manual page. However, I can see that the job ran at 08:45 today, Monday 2nd October. I am
Same Docker image forwards X11 one host but not on another
I have created a simple Docker image which contains SSH + xeyes. I run that container, connect to the container via SSH using X11 Forwarding and want to be able to display xeyes. I have built and run the Docker container on host A. When I connect to the container, it does not work Error: Can’t open disp…
Multiprocessing Process os.system(‘kill -9 {0}’.format(pid)) fails on Linux
when I use terminate in linux with python, I found the way to close the progress in the way os.system(‘kill -9 {0}’.format(pid)), but it failed. My code is to run two progress.when the first progress finished, I want the second progress close too (the second progress it’s self running all th…
SQL Server on Linux : Data source name not found
I followed the instructions to install Sql server natively on my machine which runs linux mint sonya based off ubuntu xenial. Ive had no trouble installing the service: When trying to connect the the DB, i get this error: Answer Turns out after all that I did not install the unixodbc-dev package. The error me…
Getting the User ID from the last line of the /etc/passwd file in Linux
I’ve been trying the following: and These statements aren’t working, I’m not sure how to join both of them to get the result I want. It just takes the current command that is in front of the /etc/passwd directory. I’m fairly new to Linux and combining commands together. Thank you for t…
g++ undefined reference error when linking to third party shared libraries
I’m trying to link a c++ program that uses several shared libraries from 3rd parties. Mainly, these libraries come from a github project called MBSim and I downloaded the latest daily build with all its binaries, libraries and headers, which I installed on /usr/local/mbsim-env. The most important librar…
PHP kill exec() background process after php-fpm restarted
I use nginx and php7.1-fpm. I want to run a background process using PHP and exec(). My short code: Unfortunately after the systemd restart php7.1-fpm the program is killed. I have tried to run with a different user than the one running the pool: However, this does not solve the problem – still kills. I…
Split file into multiple when special char met
I have a main file as following : My final goal is to create a file that will containt only block that contains a specific string, for example if that string would be lines then I would have an output file like this : To reach my objective, I first try to split my main file into subfiles by bock
How to redirect entire output of spark-submit to a file
So, I am trying to redirect the output of an apache spark-submit command to text file but some output fails to populate file. Here is the command I am using: I can see the output in the terminal but I do not see it in the file. What am I forgetting or doing wrong here? Edit: If I use I