**Note:** NextEPC supports installation of packages in *Debian/Ubuntu and openSUSE* environments. *CentOS, Fedora, FreeBSD, and Mac OSX* require you to [build with source code]({{ site.url }}{{ site.baseurl }}/docs/guide/02-building-nextepc-from-sources)
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### Install NextEPC with a Package Manager
---
The nextepc package is available on the recent versions of *Ubuntu*.
```bash
$ sudo apt update
$ sudo apt install software-properties-common
$ sudo add-apt-repository ppa:acetcom/nextepc
$ sudo apt update
$ sudo apt install nextepc
```
>The NextEPC package is also available on [OBS](https://build.opensuse.org/package/show/home:acetcom:open5gs:snapshot/nextepc). First, install the authentication key as shown below.
[Martin Hauke](https://build.opensuse.org/user/show/mnhauke) packaged NextEPC for *openSUSE* on [OBS](https://build.opensuse.org/package/show/home:mnhauke:nextepc/nextepc).
Modify [/etc/nextepc/mme.conf](https://github.com/{{ site.github_username }}/nextepc/blob/master/support/config/mme.conf.in) to set the S1AP/GTP-C IP address, PLMN ID, and TAC
Modify [/etc/nextepc/sgw.conf](https://github.com/{{ site.github_username }}/nextepc/blob/master/support/config/sgw.conf.in) to set the GTP-U IP address.
**Note:** In the above command, you should replace `'interface-name'` with your interface name that can connect to the internet. (For example, `enp0s25`, `wls3`, and so on).
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### Turn on your eNodeB and Phone
---
- You can see actual traffic through wireshark -- [[srsenb.pcapng]]({{ site.url }}{{ site.baseurl }}/assets/pcapng/srsenb.pcapng).
- You can view the log at `/var/log/nextepc/*.log`.
### Troubleshooting
---
Problem with NextEPC can be filed as [GitHub Issues](https://github.com/open5gs/nextepc/issues). Please include the following to get help:
- Attach `*.pcapng` file created by wireskark.
- Attach configuration files at `/etc/nextepc/*.conf`.
- Attach log files at `/var/log/nextepc/*.log`.
You can modify the configuration file to record more logs.