⚠️ Legal Disclaimer
This guide is provided for educational and research purposes only.
Elastix 4.0.76 is an outdated and unsupported version of the Elastix IP PBX platform. The original Elastix project is no longer maintained and has been acquired by 3CX in 2016, which now distributes its own proprietary version.
The download link shared in this article is from a third-party source, not from the official Elastix or 3CX websites.
Therefore, anyone downloading or using this file does so at their own risk.
The author of this blog assumes no responsibility for any damage, data loss, or legal issues arising from the use of unofficial software or links.
It is strongly recommended to use the latest official version of 3CX or other actively supported open-source IP PBX solutions (such as FreePBX, Issabel, or FusionPBX) for production environments.
By continuing to follow this guide or download any linked file, you acknowledge that you understand and accept these terms.
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Run the Elastix VM in Proxmox panel, and start installation.
In Elastix-4 the most uses directory is /var (where database, call recordings, etc. are placed)
⚙️ How to Partition Disk During Installation (Manual Partitioning)
When you’re in the Elastix 4 / CentOS 7 installer:
- Choose: Installation Destination → Manual Partitioning
- Delete any auto-created partitions.
- Add new ones manually in this order: Select > Standard Partition
Click the “+” sign in bottom left corner to create a new partition.
| Mount Point | Desired Capacity | File System | Type |
|---|---|---|---|
/boot |
500 MB | ext4 | Standard Partition |
swap |
4 GB | swap | Standard Partition |
/var/log |
1 GB | ext4 | Standard Partition |
/ |
(Remaining Space) | ext4 | Standard Partition |
Then click “Done” → “Accept Changes”.
Back to the INSTALLATION SUMMERY page, and configure DATE & TIME, KEYBOARD, and specially NETWORK & HOSTNAME.
Click on NETWORK & HOSTNAME, Click “Configure” button in bottom right corner.
General: Automatically connect to this network when it is available = yes/enable
IPv4 Settings: Method: Automatic (DHCP)
IPv6 Settings: Method: Ignore
Then click Save
From the bottom left corner, you may configure Hostname (optional).
From the upper left corner click Done.
Finally, click Begin Installation
Follow instructions in each screen, and set the relevant password.
After installation, harden the journal log limit; Elastix SSH in PuTTy;
echo "SystemMaxUse=100M" >> /etc/systemd/journald.conf
Adjust the Asterisk log rotation;
cp /etc/cron.daily/logrotate /etc/cron.hourly/
chmod +x /etc/cron.hourly/logrotate
nano /etc/logrotate.d/asterisk
/var/log/asterisk/full
/var/log/asterisk/freepbx_dbug
/var/log/asterisk/freepbx_debug
/var/log/asterisk/queue_log
/var/log/asterisk/a2billing-daemon-callback.log
{
missingok
rotate 24
hourly
notifempty
compress
delaycompress
sharedscripts
size 10M
create 0640 asterisk asterisk
postrotate
/usr/sbin/asterisk -rx 'logger reload' > /dev/null 2> /dev/null
endscript
}
logrotate -vf /etc/logrotate.d/asterisk
Check which log file eat more space;
du -ah /var/log/ | sort -rh | head -n 20
If needed empty the log file safely;
> /var/log/asterisk/full
Done, follow the next step.