Technology Explained
How to Clone Your Linux Hard Drive: 5 Methods
Introduction: The Importance of Cloning Your Linux Hard Drive
Running a Linux operating system offers many benefits, but even Linux users encounter unexpected challenges. To safeguard against data loss due to factors like viruses, ransomware, or hardware failures, it’s essential to have a backup plan. One powerful strategy is cloning your Linux hard drive, creating a disk image that can be easily restored. In this guide, we’ll explore five effective methods to clone your Linux disk and ensure data resilience.
Using dd for Native Linux Disk Cloning
Among the array of Linux disk cloning tools, “dd” stands out as a powerful and versatile option. It’s preinstalled in most Linux distributions and offers efficient cloning capabilities. To clone your Linux hard drive using dd, follow these steps:
- Identify the source disk and destination.
- Execute the command:
dd if=/dev/sdX of=/dev/sdY bs=64K conv=noerror,sync. - Adapt the block size to balance speed and reliability.
Alternative to dd: Partimage for Safe and Easy Cloning
For those seeking a user-friendly alternative to dd, Partimage provides a reliable solution. Although it doesn’t support ext4 filesystems, it’s perfect for cloning ext3 and Windows disk formats. To clone using Partimage:
- Ensure the target partition is unmounted.
- Install Partimage:
sudo apt install partimage. - Launch Partimage and follow the intuitive steps to create an image.
Partclone: Reliable Imaging and Cloning for Disk Partitions
When it comes to maintaining a secure and functional Linux system, having a solid backup and recovery plan is crucial. Here are the top five tools that can help you clone your Linux hard drive effortlessly:
If you find dd too complicated, Partimage is a good alternative to clone Linux drives. Partimage is also available for most distros, and doesn’t carry any “disk destroyer” risks!
However, Partimage does not support the ext4 filesystem, so avoid using it for cloning disks or partitions of that type. You can use it to clone the Linux filesystem ext3, as well as Windows disk formats (FAT32 or NTFS).
Before starting, ensure that the partition you wish to clone is unmounted. Otherwise, you’ll need to exit Partimage to do so before continuing with the process. You can exit Partimage at any time with the F6 key.
This is a mouse-driven application, which requires you to first select the partition you need to clone.
- Press the right arrow key to move to the next section
- Select Image file to create/use and input a name
- Select the correct Action to be done (ensure the chosen option has an asterisk)

Image by https://www.makeuseof.com/
Press F5 to proceed
In the following screen, select the Compression Level, and your preferred Options
Set the image split mode and determine what happens after the backup is ready (e.g., Reboot Linux)

Image by https://www.makeuseof.com/
Tap F5 to continue
Confirm the details, then select OK to begin the process

Image by https://www.makeuseof.com/
Clonezilla: Comprehensive Disaster Recovery Cloning
Clonezilla, built on Partclone, provides a comprehensive solution for cloning Linux hard drives. It’s available as a bootable ISO, enabling easy cloning with keyboard-driven menus. Clonezilla supports various filesystems and offers flexibility for disaster recovery tasks.
Modern Cloning with balenaEtcher: GUI-driven Convenience
balenaEtcher, known for creating bootable USB drives, can also clone Linux drives. With its intuitive GUI, it’s a user-friendly choice. Select the “Clone drive” option, specify the source and destination drives, and initiate the cloning process.
Cloning Made Easy: Choose the Best Tool for You
Cloning your Linux hard drive need not be daunting. Each tool discussed in this guide offers distinct benefits, from dd’s power to Partimage’s simplicity, and from Partclone’s ext4 support to Clonezilla’s comprehensive recovery capabilities. Whether you’re a seasoned Linux user or a beginner, these tools make the cloning process accessible and efficient.
In conclusion, safeguarding your Linux system through cloning is a vital step in ensuring data security and recovery. With the right tool in hand, you can confidently create disk images that will be your safety net in the face of unforeseen challenges. Remember to use these tools judiciously, as incorrect usage can lead to data loss. Choose the method that aligns with your needs and technical comfort to enjoy the peace of mind that comes with a reliable backup strategy.
Costumer Services
SBCGlobal Email Not Receiving Emails: A Comprehensive Guide
Introduction
If you’re facing problems with SBCGlobal email not receiving emails, you’re not alone. Many users experience email delivery issues caused by server settings, outdated configurations, or account security errors. This guide will walk you through why your SBCGlobal email might not be receiving messages, how to fix it step-by-step, and when to contact professional suppor for advanced troubleshooting.
What Is SBCGlobal Email?
SBCGlobal.net is a legacy email service originally provided by Southwestern Bell Corporation, which later merged with AT&T. Even though new SBCGlobal accounts are no longer being created, millions of users still access their SBCGlobal email through AT&T’s Yahoo Mail platform.
However, because SBCGlobal operates on older infrastructure and server settings, users sometimes experience email syncing, login, or receiving issues especially when using third-party apps or outdated settings.

Common Reasons SBCGlobal Email Is Not Receiving Emails
Before you start troubleshooting, it’s important to identify what might be causing the issue. Below are the most frequent culprits behind SBCGlobal email receiving problems:
- Incorrect Email Settings: If your incoming (IMAP/POP3) or outgoing (SMTP) settings are incorrect, emails won’t load properly.
- Server Outages: Temporary outages or server maintenance by AT&T or Yahoo may interrupt incoming mail delivery.
- Storage Limit Reached: When your mailbox exceeds its storage limit, new emails are automatically rejected.
- Spam or Filter Rules: Overly strict filters or incorrect spam settings might send legitimate emails to the Junk or Trash folder.
- Browser Cache or App Glitches: Cached data and outdated email apps can disrupt syncing or message retrieval.
- Blocked Senders or Blacklisted IPs: Accidentally blocking a sender or being on a spam blacklist may prevent messages from reaching your inbox.
- Security or Account Lock Issues: Suspicious login attempts or password errors can cause temporary account restrictions.
Step-by-Step Solutions to Fix SBCGlobal Email Not Receiving Emails
Let’s go through a series of troubleshooting steps to help you restore your email flow. You can perform these solutions on both desktop and mobile platforms.
1. Check SBCGlobal Email Server Status
- Sometimes, the issue isn’t on your end.
- Go to Downdetector or AT&T’s official website to see if SBCGlobal or AT&T Mail is down.
If there’s an outage, you’ll need to wait until the service is restored.
2. Verify Your Internet Connection
Ensure your device has a stable and fast internet connection. Poor connectivity can stop your email client from syncing or fetching new messages.
3. Update Incoming and Outgoing Mail Server Settings
Outdated or incorrect settings are the most common reason SBCGlobal email stops receiving messages. Here are the correct configurations:
Common Reasons SBCGlobal Email Is Not Receiving Emails
Before you start troubleshooting, it’s important to identify what might be causing the issue. Below are the most frequent culprits behind SBCGlobal email receiving problems:
- Incorrect Email Settings: If your incoming (IMAP/POP3) or outgoing (SMTP) settings are incorrect, emails won’t load properly.
- Server Outages: Temporary outages or server maintenance by AT&T or Yahoo may interrupt incoming mail delivery.
- Storage Limit Reached: When your mailbox exceeds its storage limit, new emails are automatically rejected.
- Spam or Filter Rules: Overly strict filters or incorrect spam settings might send legitimate emails to the Junk or Trash folder.
- Browser Cache or App Glitches: Cached data and outdated email apps can disrupt syncing or message retrieval.
- Blocked Senders or Blacklisted IPs: Accidentally blocking a sender or being on a spam blacklist may prevent messages from reaching your inbox.
- Security or Account Lock Issues: Suspicious login attempts or password errors can cause temporary account restrictions.
Step-by-Step Solutions to Fix SBCGlobal Email Not Receiving Emails
Let’s go through a series of troubleshooting steps to help you restore your email flow. You can perform these solutions on both desktop and mobile platforms.
1. Check SBCGlobal Email Server Status
- Sometimes, the issue isn’t on your end.
- Go to Downdetector or AT&T’s official website to see if SBCGlobal or AT&T Mail is down.
If there’s an outage, you’ll need to wait until the service is restored.
2. Verify Your Internet Connection
Ensure your device has a stable and fast internet connection. Poor connectivity can stop your email client from syncing or fetching new messages.
3. Update Incoming and Outgoing Mail Server Settings
Outdated or incorrect settings are the most common reason SBCGlobal email stops receiving messages. Here are the correct configurations:
- Server:
imap.mail.att.net - Port: 993
- Encryption: SSL
- Username: Your full SBCGlobal email address
- Password: Your email password
Outgoing Mail (SMTP) Server:
- Server:
smtp.mail.att.net - Port: 465 or 587
- Encryption: SSL/TLS
- Requires Authentication: Yes
If you’re using POP3, use:
- Incoming server:
inbound.att.net, Port 995 (SSL required) - Outgoing server:
outbound.att.net, Port 465 (SSL required)
Double-check these settings in your email client (Outlook, Apple Mail, Thunderbird, etc.) to make sure they match.
4. Review Spam and Junk Folder
- Sometimes, legitimate emails end up in the Spam or Junk folder. Open these folders and mark any wrongly filtered emails as “Not Spam.”
- Also, check your Filters and Blocked Addresses under email settings to ensure no important addresses are being redirected or blocked.
5. Clear Browser Cache or Update Your App
If you access SBCGlobal email through a browser:
- Clear your cache, cookies, and browsing history.
- Try opening email in incognito/private mode to rule out extensions or ad blockers causing problems.
If you use the Yahoo Mail App or Outlook, ensure the app is updated to the latest version. Outdated apps may not sync with the latest server configurations.
6. Check Mailbox Storage Limit
- SBCGlobal email accounts have a maximum storage quota.
- Delete unnecessary emails from your inbox, sent, and trash folders.
- After clearing space, refresh your inbox or restart your email client — new emails should start appearing.
7. Reset or Re-Add Your SBCGlobal Account
- If none of the above methods work, try removing your SBCGlobal account from your email client and re-adding it with the correct settings.
- This refreshes the connection and often resolves syncing or server timeout issues.
8. Reset Your Password
If you suspect your account might have been compromised or temporarily locked, resetting your password is a smart step.
- Visit the AT&T Password Reset page.
- Follow the on-screen steps to verify your identity.
- Set a strong, unique password and re-login to your email account.
9. Disable Security Software Temporarily
- Firewall or antivirus software can sometimes block email servers.
- Temporarily disable them (only if you’re confident about your network security) and check if you start receiving emails again.
10. Contact SBCGlobal Email Support
- If you’ve followed all the steps and your SBCGlobal email is still not receiving messages, the issue might be server-side or linked to account configuration.
- In that case, it’s best to contact SBCGlobal email support for expert help.
You can reach certified technicians.
They can assist with:
- Account recovery and login errors
- Server synchronization issues
- Email migration or backup
- Advanced spam and security settings
Having professional help ensures your account is restored quickly without losing any important messages or data.
Tips to Prevent Future SBCGlobal Email Problems
- Update Passwords Regularly: Keep your email account secure and avoid login lockouts.
- Use a Reliable Email App: Apps like Outlook or Apple Mail handle IMAP connections more efficiently.
- Backup Emails Periodically: Regular backups protect your messages from unexpected sync failures.
- Keep Storage Under Control: Delete old attachments and large files frequently.
- Monitor Account Activity: Check for unusual login attempts from unknown locations.
Final Thoughts
Facing issues like SBCGlobal email not receiving emails can be frustrating, especially when you rely on your email for important communications. However, most problems can be resolved by verifying server settings, clearing browser cache, managing storage, or resetting passwords.
If you continue to face challenges, don’t hesitate to reach out to expert SBCGlobal email support for personalized assistance. A few minutes of professional troubleshooting can save hours of frustration and get your SBCGlobalemail running smoothly again.
Development
Enhancing Mapping Accuracy with LiDAR Ground Control Targets
How Do LiDAR Ground Control Targets Work?
LiDAR technology uses laser pulses to scan the ground and capture a wide range of data, including elevation, shape, and distance. However, the data collected by LiDAR sensors needs to be aligned with real-world coordinates to ensure its accuracy. This is where LiDAR ground control targets come in.
Georeferencing LiDAR Data
When LiDAR sensors capture data, they record it as a point cloud, an array of data points representing the Earth’s surface. To make sense of these data points, surveyors need to assign them precise coordinates. Ground control targets provide reference points, allowing surveyors to georeference point cloud data and ensure that LiDAR data aligns with existing maps and models.
By placing LiDAR ground control targets at specific locations on the survey site, surveyors can perform adjustments to correct discrepancies in the data caused by factors such as sensor calibration, flight altitude, or atmospheric conditions.
Why Are LiDAR Ground Control Targets Essential for Accurate Mapping?
LiDAR technology is incredibly powerful, but the accuracy of the data depends largely on the quality of the ground control points used. Here are the key reasons why LiDAR ground control targets are essential for obtaining precise mapping results:
1. Improved Geospatial Accuracy
Without ground control targets, LiDAR data is essentially “floating” in space, meaning its position isn’t aligned with real-world coordinates. This can lead to errors and inaccuracies in the final map or model. By placing LiDAR ground control targets at known geographic coordinates, surveyors can calibrate the LiDAR data and improve its geospatial accuracy.
For large projects or those involving multiple data sources, ensuring that LiDAR data is properly georeferenced is critical. Ground control targets help ensure the survey data integrates seamlessly with other geographic information systems (GIS) or mapping platforms.
2. Reduction of Measurement Errors
LiDAR ground control targets help mitigate errors caused by various factors, such as:
- Sensor misalignment: Minor inaccuracies in the LiDAR sensor’s position or angle can cause discrepancies in the data.
- Aircraft or drone movement can slightly distort the sensor’s collected data.
- Environmental conditions: Weather, temperature, and atmospheric pressure can all affect the LiDAR signal.
By using ground control targets, surveyors can compensate for these errors, leading to more precise and reliable data.
3. Support for Large-Scale Projects
For larger mapping projects, multiple LiDAR scans might be conducted from different flight paths or at different times. Ground control targets serve as common reference points, ensuring that all collected data can be merged into a single coherent model. This is particularly useful for projects involving vast areas like forests, mountain ranges, or large urban developments.
How to Choose the Right LiDAR Ground Control Targets
Choosing the right LiDAR ground control targets depends on several factors, including the project’s size, the terrain, and the required accuracy. Here are some things to consider:
Size and Visibility
The size of the target should be large enough to be easily detectable by the LiDAR sensor from the air. Targets that are too small or poorly placed can lead to inaccurate data or missed targets.
Material and Durability
Ground control targets must have enough durability to withstand weather conditions and remain stable throughout the surveying process. Surveyors often use reflective materials to ensure that the LiDAR sensor can clearly detect the target, even from a distance.
Geospatial Accuracy
For high-accuracy projects, surveyors must place ground control targets at precise, known locations with accurate geospatial coordinates. They should use a GPS or GNSS system to measure and mark the exact position of the targets.
Conclusion
LiDAR ground control targets play a pivotal role in ensuring the accuracy of aerial surveys and LiDAR mapping projects. By providing precise reference points for geo referencing and adjusting LiDAR data, these targets reduce errors and improve the overall quality of the final model. Whether you’re working on a small-scale project or a large-scale survey, integrating ground control targets into your LiDAR workflow is essential for achieving high-precision results.
The right ground control targets, when placed correctly and properly measured, can make the difference between reliable, actionable data and inaccurate measurements that undermine the entire survey.
By understanding the importance of these targets and how they function in the context of LiDAR surveys, you’ll be better prepared to tackle projects that demand accuracy and precision.
Digital Development
Scalable Web Application Development: Strategies for Growth
-
Business3 years ago
Cybersecurity Consulting Company SequelNet Provides Critical IT Support Services to Medical Billing Firm, Medical Optimum
-
Business3 years ago
Team Communication Software Transforms Operations at Finance Innovate
-
Business3 years ago
Project Management Tool Transforms Long Island Business
-
Business2 years ago
How Alleviate Poverty Utilized IPPBX’s All-in-One Solution to Transform Lives in New York City
-
health3 years ago
Breast Cancer: The Imperative Role of Mammograms in Screening and Early Detection
-
Sports3 years ago
Unstoppable Collaboration: D.C.’s Citi Open and Silicon Valley Classic Unite to Propel Women’s Tennis to New Heights
-
Art /Entertainment3 years ago
Embracing Renewal: Sizdabedar Celebrations Unite Iranians in New York’s Eisenhower Park
-
Finance3 years ago
The Benefits of Starting a Side Hustle for Financial Freedom


