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OJS Errors and Solutions | OJSDev | OJSExpert

  1. Fatal error: Uncaught Error: Call to a member function getId() on null
    Related Task: recommendBySimilarity
    Solutions: Ask For Solution, OJSDev 247
  2. SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails
    Related Task: Native XML Plugin
    Solutions: Ask For Solution, OJSDev 247

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nginx free WAF error while using nginx 1.23 and above | aaPanel

  • nginx: [emerg] “lua_package_path” directive is duplicate in /www/server/panel/vhost/nginx/free_waf.conf:4
    nginx: configuration file /www/server/nginx/conf/nginx.conf test failed

Solution:

Nginx 1.23 and above do not support the Nginx free firewall, it is recommended to use nginx 1.22

 

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Migrate aaPanel to New Server using One-Click Migration Tools

  • How to migrate aaPanel account(s) from server A to server B
  • aaPanel settings migration.
  • Cloning aapanel accounts
  • Moving from old error aapanel to new aapanel server
  • How To Migrate Data On aaPanel With 3 Steps
  • How Migrate aaPanel using One-Click Migration API version 3.0
  • ERROR After Migration to AAPANEL

Follow the following steps to migrate aaPanel account(s) easily.

On new Server:

  1. Install aaPanel
  2. Set server configuration same as old server
  3. Update aaPanel to latest version
  4. Click API (Panel Setting) and allow API
  5. Reset API to get new api key and enter whitelist IP (ip address of old server)

On old server:

  1. Update aaPanel to latest version
  2. Install “One-Click Migration”
  3. Open “One-Click Migration” and enter required data
    1. Target panel Addr: Panel address. For example, https://103.81.224.71:7800
    2. Target panel API: API from new server
    3. Select website(s) and database(s)
  4. Just follow the steps and choose which website you want to migrate, then wait for the process, then you’re done

 

 

 

 

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Continuous alerts /dev/loop at 100%

  • /dev/loop1 100% /snap/snapd/20290
  • system mounts /dev/loop0 on /snap/core/3604 and it’s 100
  • Remove dev/loop

Purse the snapd

apt autoremove --purge snapd

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How to Schedule a Nightly Reboot of your Server | Ubuntu

Login to your server root

Them run

sudo crontab -e

Select an editor.

Set the job
# m h dom mon dow command

0 4 * * * /sbin/shutdown -r +5

m=minute
h=hour
dom=day of month
mon=month
dow=day of week