How Do I Remove, Delete, Unlink, Deactivate Associated iOS Device or Mac, Apple ID and iCloud Account

iPhone, iPad, iPod touch, Mac, PC or Android phone will automatically associate with your Apple ID and iTunes when you use certain iTunes features so that you can download and play music, movies, TV shows, etc. that you previously bought from iTunes Store. You will need to remove associated device if:

  • You reach limit of associations and want to add a new one. Maximum 10 devices (no more than five of them computers) associated with your Apple ID and iTunes at one time.
  • You can’t download past purchases from the iTunes Store.
  • You want to sell or give away an associated device.

To remove, delete, unlink or deactivate associated iOS device or Mac from Apple ID and iCloud account, follow these steps.

Remove Apple ID
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How Do I Clear / Clean / Delete System Log, Cache and Outdated Backup in Apple Mac OS X

System log files, application error crash reports, cache, iOS and iTune backup tend to build up from time to time which could possibly slow down Mac OS X (macOS). To remove system log files and application error crash reports from Mac OS, follow these steps.

log files in MacOS
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Internet of Things Essentials, Features and Practice

Internet of Things (IoT) extends internet connectivity to a diverse range of devices and everyday things. These devices utilize embedded technology to communicate, record and interact with the external environment using the Internet as a means of communication. A “thing” can be any object that can be assigned an IP address and can transfer data over a network. The connected embedded systems include small micro-controller-based computers that do not require a human interface, but rather function independently. Instead of interacting with a human, these systems use sensors or other advanced detection mechanisms to collect data and communicate that back to a data repository or act upon the data without user interaction.

IoT

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[Solved] Notification systemd-journald has crashed and Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

Problem: Debian server and Ubuntu desktop show notification that systemd-journald has crashed. After execute command systemctl status systemd-journald from the terminal, the output show message Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable. in service.

Ubuntu Debian error Journal has been rotated since unit was started
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Types and Impact of Social Engineering Attacks

Social Engineering refer to the art of manipulating people into performing actions or divulging confidential information. Cybercriminal uses different platforms like Facebook, LinkedIn or Email to spread malicious link. Social engineering attacks has proven to be very successful way for criminal to “get inside” your organization.
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Top 10 Skills Need to Survive in 2020

What are the top 10 skills you will need to thrive in 2020?

Complex Problem Solving

The skill to see relationships between industries and craft creative solutions to problems that are yet to appear is a must to keep up with Artificial Intelligence (AI) machines.

Critical Thinking

People who can turn data into insightful interpretations due to the complexity increase with interconnectedness within various fields like computer science, engineering and biology.

Creativity

The quality of randomness and the ability to build something out of ideas is a skill that will pay off now and in the future.
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[Solved] HTTP Error 401 Unauthorized When Accessing Zimbra 8.8.9 Shared Calendar and Mailbox

Problem: HTTP Error 401 Unauthorized show on browser when try to access Zimbra 8.8.9 Shared Calendar and Mailbox. It’s most likely the browser either did not send another request with Authorization in response to the 401, or had sent an Authorization which is not using GSS-API / SPNEGO scheme.

Zimbra http error 401 must authenticate
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How to Block Access HTTP and HTTPS Facebook with pfSense Firewall Rules

Problem: How to create alias and block Facebook traffic (IP Addresses and HTTP/HTTPS URL of Facebook) using pfSense firewall rules. Following steps are useful with sites such as Facebook that consume large amounts of IP range but are constrained within a few net blocks.
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[Solved] Behringer USB Audio Mixer with Mac OS X Not Working “The selected device has no input controls”

Problem: Can’t get audio in and out at the same time when plug Behringer USB Audio Mixer device such as Behringer U-Phoria UM2 into MacBook Pro. “The selected device has no input controls.” message show in Sound Input setting.

The selected device has no input controls

Class-compliant driver in Behringer USB mixers may not work properly with Mac OS X. It show as two separate drivers, one driver contains audio inputs and another driver contains audio outputs. You’ll need to create an aggregate device in Mac OS X using Audio MIDI Setup in order to use input and output simultaneously.
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[Solved] Warframe Launcher Update Failed! Error Due to Download Content Corrupted

Problem: “Update failed!” error show when run the latest build of Warframe or downloading the latest update.

Update failed!
Some content updates could not be downloaded from our servers.
Please restart Warframe to try again.
The update will be restarted shortly..

Update failed!
The content servers are temporarily unavailable.
ERROR_HTTP_INVALID_SERVER_RESPONSE
The update will be restarted shortly…

Update failed!
Download data was corrupted.
The update will be restarted shortly…

Update failed!
The content servers are temporarily unavailable.
ERROR_INTERNET_CANNOT_CONNECT.
The update will restarted shortly.

This error may caused by various reasons including corrupted Microsoft Visual C++ Redistributable installations, Internet connection settings, Warframe launcher settings, missing DirectX installation, Game’s cache or Malware.

Warframe Update Failed
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[Solved] Grand Theft Auto V Launcher GTAVLauncher.exe has Stopped Working Error 0xc000007b and 0x80000003

Problem: Error “Grand Theft Auto V Launcher has Stopped Working” show when start to launch GTA V on Windows 10 PC. The common cause of this error may be due to outdated Social Club app, missing or corrupted game files, problem with Steam beta client, DirectX version mismatch or outdated graphics or sound drivers.

Related error code from launcher log:
[DISPLAY] Game exited with code 0xc000007b
[ ERROR ] Exit code 0xc000007b indicates a game crash (STATUS_INVALID_IMAGE_FORMAT)
[DISPLAY] Game exited with code 0x80000003
[ ERROR ] Exit code 0x80000003 indicates a game crash (unknown cause)

Grand Theft Auto V Launcher Stopped Working

GTA V Launcher error
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