Contents
Which is example of systemd service unit file needs to wait until?
For example, I have an 802.1ad bond interface I need to wait on for being up (this interface has no ip address assigned, it is used to capture networks packets with a tcpdump’s script). Every time this service fails because bond interface is not up. I have configured the service as:
Why does Linux wait for network interface to be up?
Since it’s a target, it indicates that the system has reached a particular milestone in the boot process as opposed to just a single service starting. If that doesn’t do it try comparing against another service unit that you know requires a network connection. Thanks for contributing an answer to Unix & Linux Stack Exchange!
How to run a service before the network is configured?
Services that want to be run before the network is configured should place Before=network-pre.target and also set Wants=network-pre.target to pull it in. This way, unless there’s actually a service that needs to be ordered before the network is up the target is not pulled in, hence avoiding any unnecessary synchronization point.
Is the network interface already configured when reached?
Whether any network interfaces are already configured when it is reached is undefined.
How to run systemd service as specific user and group in Linux?
Here we will name our systemd unit file as run-as-user.service under /etc/systemd/system. Below is the content of run-as-user.service Here we have defined User=deepak and Group=admin to make sure the script will be executed only as user deepak which is part of admin group.
What are the different types of systemd units?
The following list describes the types of units available to systemd: .service: A service unit describes how to manage a service or application on the server. This will include how to start or stop the service, under which circumstances it should be automatically started, and the dependency and ordering information for related software.
Can a service file be run as a service?
Any .service file that you create in that directory can be run as a service, if you construct it properly. Create a file that you would like with the .service extension. The first section that you need to write is the [Unit].