Add Fonts to ONLYOFFICE Document Server: Docker vs Linux
Install custom fonts in ONLYOFFICE Document Server, compare persistent Docker mounts with direct copies, rebuild the font list, and verify the result.
How to back up and restore Viber messages
Viber is a free mobile chat application that is being used quite popular today. This mobile chat tool also has the " Backup and Restore " feature similar to backing up and restoring Zalo or Skype messages .
Rated as one of the best free chat software on mobile , in addition to having quite unique features, Viber is also the most secure messaging application in the world. However, if you often use the chat application on this phone, you will probably want to know how to backup and restore Viber messages in case of need.
Viber on the computer
Viber
Viber for mac
Viber for Linux
Viber on mobile
Viber for iOS
Viber for Android
Viber for Blackberry
Viber for Windowsphone
Enable backup and restore Viber data
The tutorial is done on iPhone, with Android and other operating systems, you do the same. And essentially backing up Viber data and restoring it is an available feature on the application, but to be able to use, users need to make a few adjustments as follows:
- Access to Settings / Accounts and password / iCloud
- Then turn on iCloud Drive and Viber mode as shown below
How to back up Viber data
Step 1 : You log into your Viber account on the phone. From the main interface, select the three dots icon - Add in the lower right corner of the screen and select Settings - Settings .
Step 2 : Touch the Account icon - Account / Backup Viber - Viber Backup .
Step 3 : Tap Backup now - Back up now to conduct data backup in your Viber account. However, it should be noted that this operation only helps us to save the text data (or in other words, only backup messages only).
In addition, you can also choose to Auto Backup - Auto backup and set the time for the phone to automatically backup the message at a fixed time (daily, weekly or monthly).
Recover Viber messages on iPhone
After successful backup, depending on the operating system, we will have different ways to restore Viber messages. Specifically, with the iOS operating system, after you install a new Viber for the device, will receive the following message.
Now you can choose Restore now to restore messages in the last backup or select Cancel to continue using Viber as a completely new account.
Recover Viber messages on Android
With Android operating system, users can choose simpler and more convenient. It is still in the interface where we make the backup message, you will see always the Restore option . Now we just need to select Restore / Restore Now to retrieve Viber messages on this device.
This feature is currently only available on mobile operating systems and can not be applied to other data formats such as (photos, media, GIF ...).
Configure HTTPS for ONLYOFFICE Docs in Docker
Choose where TLS should terminate, mount a trusted certificate and private key safely, and verify HTTPS access to a Dockerized ONLYOFFICE Docs server.
Connect a PHP App to ONLYOFFICE Docs and Save Edits
Embed the ONLYOFFICE editor in your PHP app, sign its configuration with JWT, and save edited files through a secure callback.
Keep ONLYOFFICE Spell Check on the Language You Choose
Set the proofing language for the whole document or selected text, confirm spell checking is active, and identify when a server dictionary is missing.
Keep Track Changes On When a Document Reopens
Enable persistent Track Changes for everyone in one ONLYOFFICE document, verify edits are recorded, and understand the limits of this setting.
Trace the Upstream to Clear ONLYOFFICE’s Nginx 502
Find whether Nginx, Docker networking, or an internal ONLYOFFICE service is returning 502, then verify the corrected upstream and health check.
Trace the Save Callback When ONLYOFFICE Won’t Save to Nextcloud
Diagnose failed ONLYOFFICE saves by checking the Nextcloud callback route, proxy redirects, and storage logs, then verify the edited file persists.
Stop ONLYOFFICE Document Server from Running Out of VPS Memory
Find the cause of ONLYOFFICE memory crashes, check Docker limits, size VPS RAM correctly, add swap safely, and verify that documents open and save.
Trace a Failed ONLYOFFICE PDF Export to Its Source
Separate browser download problems from server-side conversion errors and use the right log or access check to get your PDF export working.
Resolve ONLYOFFICE’s “Token Is Not Valid” Error in Nextcloud
Match the JWT secret used by ONLYOFFICE Docs and Nextcloud, apply it safely for Docker or Linux installs, and verify the connection without weakening authentication.