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How do I run a cron job as a specific user?
Or more simply, you could just run crontab -e when logged in as that user. Alternatively, you could prefix your command in your (root) crontab with sudo -u to run the command as the specified user.
Do Docker containers need to run as root?
While Docker requires root to run, containers themselves do not. Well written, secure and reusable Docker images should not expect to be run as root and should provide a predictable and easy method to limit access.
What user does docker build run as?
root user
The Docker daemon always runs as the root user. If you don’t want to preface the docker command with sudo , create a Unix group called docker and add users to it. When the Docker daemon starts, it creates a Unix socket accessible by members of the docker group.
What user does a cron job run as?
Correct? That’s correct, if you run crontab -e it will execute as your user. Your scheduled cron jobs also run as your main user, but they don’t use the PATH settings that your user has. For that reason, we recommend that you use the full path to any executable that you run, eg use /usr/local/bin/python2.
Can normal users use crontab?
allow exists, only the users who are listed in this file can create, edit, display, or remove crontab files. If cron. allow does not exist, all users can submit crontab files, except for users who are listed in cron. deny exists, superuser privileges are required to run the crontab command.
Do docker containers have users?
When you add a line to /etc/passwd you have a new user. When you remove a line with any text editor from /etc/passwd , then you just removed an user. A docker container has separate filesystem, so it has separate /etc/ directory, so it has separate these files, so it has separate users and groups.
Is docker shared between users?
You can create common user between container, but you should define the user in your Dockerfile and pass the user name from the build args. So pass the host user at build time or any other name. docker build –build-arg USER=$USER -t mycommon_user .
How to run a cron job in Docker?
Steps to run cron job inside a container: 1 Create a script file (task file) 2 Create a cron job file 3 Create a docker file 4 Create a docker image from docker file 5 Run the docker image inside the container More
How to run a cron job in a container?
Steps to run cron job inside a container: 1 Create a script file (task file) 2 Create a cron job file. 3 Create a docker file. 4 Create a docker image from docker file. 5 Run the docker image inside the container Create a script file:
How to set cronjob with non-root user?
Notice in a per user crontab there is no ‘user’ field. An aspect of crontabs that may be confusing is that root also has its own crontab. e.g. crontab -e -u root will not edit /etc/crontab See Configuring cron for more information: https://www.freebsd.org/doc/handbook/configtuning-cron.html
Where are cron jobs stored in Linux distros?
In most Linux distros, per user crontabs are typically stored in: /var/spool/cron/crontabs/ I solve it adding the name of the user we need to execute cron jobs in the file /etc/cron.allow. If this files does not exists you have to create it.