Trending February 2024 # Easily Back Up Your Partitions In Linux With Apart Gtk # Suggested March 2024 # Top 2 Popular

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If you have full partition backups, you can restore your data or even your operating system when disaster strikes. The main problem is creating the partition backup. Most tools for backing up disks and partitions on Linux feel complicated. Some expect you to use commands in the terminal. Others come with old-school interfaces or use cryptic lingo. Luckily, there is Apart GTK.

Apart GTK is a GUI for partclone that allows you to clone your partitions to compressed image backups. Then, you can quickly and easily recover them from those backups whenever you wish. Let’s see how you can keep your data safe with Apart GTK.

Installation

If you’re on Ubuntu or a compatible distribution, Apart GTK is available in the default repositories. You can search and install it from the Software Center or with the following command in a terminal:

sudo

apt

install

apart-gtk

When the process completes, you’ll find Apart GTK among the rest of your apps.

Backup Your Partition

Find and open the Apart app from your Applications menu. It will prompt you to enter your administrative password. Apart GTK needs full access to your disks and partitions to be able to copy every bit of data on them.

On the left of Apart GTK, you’ll see a list of all the partitions on your system. We had many storage devices on our testing PC, so the list is long. For your PC, you may only find one or two entries.

Note: Apart GTK can’t clone the system partition of the active OS. You have to boot up with a live CD to be able to back up the system partition.

Currently, there is a bug with Apart GTK that prevents the process bar from being updated. Apart from an updating Elapsed time indication, the progress bar looked stuck (though it is running in the backend).

You can confirm that it is indeed running by checking the output file. If it is continuously increasing in size, then you know that it is running normally. Once the backup is completed, Apart GTK will update its window to inform you that the cloning process completed successfully.

Restoring your Partition Backup

Once again, it is best not to restore a backup to the active partition. Other than that, restoring your backup with Apart GTK is easy.

When the process completes, you’ll find the contents of your backup in the selected partition. If it was a system partition, like in our case, by rebooting your PC to that OS, it will be back to the point when you initially made your backup.

Apart GTK is probably the friendliest tool for backing up a partition. It works for Windows partitions too, making it one of the best tools for dual-boot environments.

Odysseas Kourafalos

OK’s real life started at around 10, when he got his first computer – a Commodore 128. Since then, he’s been melting keycaps by typing 24/7, trying to spread The Word Of Tech to anyone interested enough to listen. Or, rather, read.

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How To Easily Diagnose Your Network With Mtr In Linux

The tool is called MTR, for Matt’s Traceroute. It’s named after Matt Kimball, the original developer. Roger Wolff has been the maintainer since 1998.

MTR combines the functions of both the standard programs ping and traceroute. Like ping, it sends ICMP requests to a destination, either a domain name or an IP address, and listens for the destination to answer back. Like Traceroute, it also works by setting the Time To Live (TTL), or the number of maximum hops a packet can take over the network, to a low number, increasing with each attempt. This determines the route packets are taking to a destination along the way. The information will update continuously for as long as MTR runs.

Installation

Installing it is easy enough. If you’re on a Debian/Ubuntu system just type:

sudo

apt-get install

mtr

For other distro that doesn’t include MTR in its repository, you can download the source code and compile it with the command:

.

/

configure

make

make

install

Usage

MTR works in two modes, a graphical mode that users who aren’t as comfortable with the command line can work with more easily, and in a text-based mode.

Using MTR is pretty easy. If you wanted to test Google, you’d just use this command:

mtr chúng tôi version in Ubuntu comes with a graphical interface. When you start MTR, the results will pop up in a window. If you’d rather have it in your terminal window like most Linux users, you have several options.

The easiest way is to call MTR with the “--curses” switch:

mtr

--curses

chúng tôi that’s too much for you as well, you can download the plain text version:

sudo

apt-get install

mtr-tiny

If you want the graphical bells and whistles (although there really aren’t any in MTR), just use the “--gtk” option.

If you want to test an IP address instead of a hostname, use the “--address” option:

mtr

--address

127.0.0.1

Of course, this will test the loopback device, or in other words, your own machine. You can use any IP address you want. It can be useful in case your DNS ever gets hosed.

You can also do some interesting things like change the display node and the way the fields are represented.

Linux is a great platform for learning how the Internet really works, and it’s due in no small part to the availability of tools like MTR. While sophisticated networking tools can cost thousands of dollars on other platforms, you can find quality tools to diagnose and troubleshoot connections available for free on Linux.

Image credit: Medical Instrument With Computer by BigStockPhoto

David Delony

David Delony is a writer for Make Tech Easier

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Looking Up: Mastering The Nslookup Command In Linux With Examples

Introduction to Nslookup

The nslookup command is a powerful network administration tool used in Linux for querying Domain Name System (DNS) records efficiently. Whether you are a novice or a professional, this command can help you troubleshoot and test DNS by mapping domain names to IP addresses, as well as providing valuable information on various resource records such as MX and NS.

Key Takeaways

The nslookup command is a powerful network administration tool in Linux used to query DNS records efficiently.

Basic usage includes looking up domain names and IP addresses, as well as retrieving MX records and DNS servers.

Advanced users can customize queries by changing the query type and class or specifying the server to query for troubleshooting network and DNS issues.

By using nslookup, IT professionals gain valuable insights into how domains are mapped to IP addresses, ensuring smooth operation of their network infrastructure.

Basic Usage of Nslookup Command with Examples

The basic usage of the nslookup command includes looking up domain names and IP addresses, as well as retrieving MX records and DNS servers.

Looking Up Domain Name and IP Address

Using the nslookup command in Linux is an efficient way to look up domain names and IP addresses, catering to both novice users and experienced professionals. Here are some examples and steps for using the command −

For reverse DNS lookup (finding the domain name corresponding to an IP address), enter “nslookup ip_address” in the terminal, replacing “ip_address” with the actual IP address you’re interested in. The result will show you the associated domain name.

In case of multiple A records for a single domain (for load balancing purposes, for instance), entering “nslookup chúng tôi will list all available IP addresses for that particular domain.

By following these simple guidelines, both novice users and experienced professionals can effectively utilize the nslookup command for looking up domains and IP addresses within their Linux environment.

Retrieving MX Records and DNS Servers

The nslookup command is a powerful tool for network administration in Linux that can help retrieve MX records and DNS servers. This information can be useful when troubleshooting DNS issues or performing other related tasks. Here are some examples of how to use the nslookup command for this purpose:

This will return a list of all MX records associated with the domain.

This will return a list of all name servers associated with the domain.

You can also retrieve the Start of Authority (SOA) record for a domain using the following command:

This will show information about the primary name server and other important details about the domain.

In addition to these specific queries, you can also use the nslookup command interactively to query Internet name servers for information. This allows you to explore DNS records in more detail and troubleshoot any issues that may arise.

Overall, the nslookup command is an essential tool for networking professionals and novices alike. By using it to retrieve MX records and DNS servers, you can gain valuable insights into how domains are mapped to IP addresses and ensure smooth operation of your network infrastructure.

Advanced Usage of Nslookup Command with Examples

Advanced users can customize their nslookup queries by changing the query type and class or specifying the server to query, making it a versatile tool for troubleshooting network and DNS issues.

Changing Query Type and Class

nslookup command allows Linux users to change the query type and class as needed. This can be a useful tool when troubleshooting DNS issues and trying to retrieve specific information from domain name servers. Here are some examples of how to change the query type and class using nslookup command −

Changing the query class − DNS queries are typically performed in the IN (Internet) class by default. However, it is possible to specify a different class using nslookup command such as CH (Chaosnet) or HS (Hesiod). To specify a different class, use the -class option followed by the desired class name when querying.

Overall, changing query type and class with nslookup command can help network administrators troubleshoot and retrieve specific information about DNS servers more effectively in Linux environments.

Specifying the Server to Query

The nslookup command in Linux can be used to query DNS servers for information about a specific domain or IP address. One of the key features of this tool is its ability to specify the server you want to query. Here are some important points to keep in mind:

To specify the server, use the following syntax: `nslookup `

For example, if you wanted to query the DNS server at IP address 8.8.8.8 for information about chúng tôi you would type: `nslookup chúng tôi 8.8.8.8`

You can also specify multiple servers by separating their IP addresses with spaces.

If you do not specify a server, nslookup will use the default DNS server configured on your system.

Specifying a server can be useful for troubleshooting DNS issues, as it allows you to check if a particular server is responding properly.

Keep in mind that not all DNS servers will give you the same results for a given query, so it may be worthwhile to try multiple servers if you’re having trouble getting the answers you need.

By learning how to specify which DNS server to query when using nslookup, network administrators and other IT professionals can more effectively troubleshoot DNS issues and ensure their systems are running smoothly.

Conclusion

To sum up, nslookup command is a vital network administration tool for querying DNS records in Linux. It helps to retrieve information about IP addresses and domain names by querying name servers.

Although being an old-school networking tool, there are still many practical uses of nslookup command for DNS lookup that make it relevant even today.

Easily Backup Your Windows With Easeus Todo Backup

Easeus Todo is a free back up service for computers running Windows 2000 and newer. It is also compatible with Windows Server 2000/2003/2008. Todo not only can make backup images of your hard drives, it can also clone drives too. I am not going to go over that part of the application though.

Where to get it?

You will want to head to Easeus to get the exe file. There is a couple of download sites that you can choose from. I chose chúng tôi to get the file.

The Install The Interface

The interface is very well laid out. The icons and wording is pretty explanatory.

The selections some may not be familiar with are: mount, unmount and check image file. A common image file type is [.ISO]. The simplest explanation if an image file is an archive of an optical disc (e.g. CD, DVD, or hard drive).

Backup

The back up process is super easy. If you get lost or need help, there is a help button in the bottom left of every page along the way.

Keep in mind, if you are backing up a pretty full 500gb hard drive, you will need a lot of space. You CAN compress and/or split the backup file to fit on different media such as a DVD. That is still a lot of DVDs at the highest compression.

The next step is to select the destination location of the backup. If you want to store your back up to an external hard drive, select it now. You cannot restore to the same partition or drive where the backup file is located. That seems like common sense, but I thought I would add that in just in case you aren’t paying attention to the default save location. The default save location for me was in the program files folder of the partition I was backing up. Make sure you change that.

Restore

To restore information, the process is pretty much the reverse of creating a backup.

Select the backup file to restore from. Hopefully you have these well labeled to avoid restoring the wrong information.

Select the space, drive or partition to restore to.

Proceed.

It really is that easy. Depending on the amount of information you are restoring (or backing up for that matter) you may want to run these at a time when you don’t need you computer for a while. I was only backing up a about 15gb and it took about 10 minutes. If you are working with the maximum of 1.5tb, you may want to run it overnight.

How are you safeguarding your information incase of a hard drive crash?

image credit: TaranRampersad

Trevor Dobrygoski

Trevor is a freelance writer covering topics ranging from the Android OS to free web and desktop applications. When he is not writing about mobile productivity, He is coaching and playing the world’s greatest game… Soccer.

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How To Automatically Back Up Contacts In Os X

Nearly all of us have experienced a situation in which we have faced a corrupt hard drive, and due to not having any backups, have lost all our data. Good backups are always necessary. In this article we will show how you can use Automator to automate backing up your contacts in OS X.

1. Open up Automator on your Mac. You can do this by searching for it from Spotlight Search or by navigating to your Applications folder and opening Automator.

2. Select a new document if Automator prompts you to do so, and select “Calendar Alarm” in the type of document. This is a type of document that can be triggered by events in your calendar, meaning you can set it to run at specific intervals automatically.

3. From the left-hand “Actions” panel, choose Contacts, and drag “Find Contacts items” into the right-hand pane.

The option that comes up lets us filter which contacts we want to back up. As we’ll be backing up all of our contacts, simply leave the first two options to “people” and “All” as they are. Select “Name” and “is not” for the last two options and enter in “aaa.”

5. Now, from the second list, drag “Export vCards” to the right hand pane, making sure it sits underneath “Find Contacts People” in your workflow. Leave the Export option as it is (also seen in the screenshot below); just choose a custom location where you would like your Contacts to be backed up.

The following window should open up.

Here, in the Repeat section, you can set a regular interval for a regular backup of your contacts.

That’s it! It’s that simple to create an automatic task (workflow) to back up your contacts in OS X at a regular schedule. Although it is a bit lengthy, it’s a one-time setup that can prove to be life-saving in the occasion you have a hard drive failure. For that we recommend selecting a network drive location in the Automator workflow, but it’s entirely upto you.

Similarly, you can also mess around with other Automator options to create other backups. Let us know what you thought of this guide down in the Comments section.

Shujaa Imran

Shujaa Imran is MakeTechEasier’s resident Mac tutorial writer. He’s currently training to follow his other passion become a commercial pilot. You can check his content out on Youtube

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Master Your Maths With These Linux Apps

Linux offers great educational software and many excellent tools to aid students of all grades and ages in learning and practicing a variety of topics, often interactively. The “Learn with Linux” series of articles offers an introduction to a variety of educational apps and software.

Mathematics is the core of computing. If one would expect a great operating system, such as GNU/Linux, to excel in and discipline, it would be Math. If you seek mathematical applications, you will not be disappointed. Linux offers many excellent tools that will make Mathematics look as intimidating as it ever did, but at least they will simplify your way of using it.

Gnuplot

Gnuplot is a command-line scriptable and versatile graphing utility for different platforms. Despite its name, it is not part of the GNU operating system. Although it is not freely licensed, it’s free-ware (meaning it’s copyrighted but free to use).

To install gnuplot on an Ubuntu (or derivative) system, type

sudo

apt-get install

gnuplot gnuplot-x11

into a terminal window. To start the program, type

gnuplot

You will be presented with a simple command line interface

into which you can start typing functions directly. The plot command will draw a graph.

Typing, for instance,

plot sin

(

x

)

/

x

into the gnuplot prompt, will open another window, wherein the graph is presented.

You can also set different attributes of the graphs in-line. For example, specifying “title” will give them just that.

You can give things a bit more depth and draw 3D graphs with the splot command.

The plot window has a few basic configuration options,

but the true power of gnuplot lies within its command line and scripting capabilities. The extensive full documentation of gnuplot can be found here with a great tutorial for the previous version on the Duke University’s website.

Maxima

Maxima is a computer algebra system developed from the original sources of Macsyma. According to its SourceForge page,

“Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, sets, lists, vectors, matrices and tensors. Maxima yields high precision numerical results by using exact fractions, arbitrary-precision integers and variable-precision floating-point numbers. Maxima can plot functions and data in two and three dimensions.”

You will have binary packages for Maxima in most Ubuntu derivatives as well as the Maxima graphical interface. To install them all, type

sudo

apt-get install

maxima xmaxima wxmaxima

into a terminal window. Maxima is a command line utility with not much of a UI, but if you start wxmaxima, you’ll get into a simple, yet powerful GUI.

You can start using this by simply starting to type. (Hint: Enter will add more lines; if you want to evaluate an expression, use “Shift + Enter.”)

Maxima can be used for very simple problems, as it also acts as a calculator,

and much more complex ones as well.

It uses gnuplot to draw simple

and more elaborate graphs.

(It needs the gnuplot-x11 package to display them.)

while its main menus offer an overwhelming amount of functionality. Of course, Maxima is capable of much more than this. It has an extensive documentation available online.

Conclusion

Mathematics is not an easy subject, and the excellent math software on Linux does not make it look easier, yet these applications make using Mathematics much more straightforward and productive. The above two applications are just an introduction to what Linux has to offer. If you are seriously engaged in math and need even more functionality with great documentation, you should check out the Mathbuntu project.

Attila Orosz

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