Why the Windows user needs the Ubuntu LiveCD.
For many people today, the only possible operating system is Windows, but almost none of them are considering using a LiveCD with Linux. Why is this necessary? I will try to answer this question in this short review.
So, first, let's see what LiveCd is. The openness of the Linux operating system allows you to build distributions based on it for a variety of purposes. An example is the so-called. LiveCD distributions that allow you to boot the OS directly from the CD. That is, you do not have to install the OS. Just insert the LiveCD into any computer. Then restart it and Linux will boot directly from the CD. In this case, you can view or even edit the files on your hard drive.
Let's see what the Ubuntu LiveCD can offer us after downloading.
You can find your hard drives by clicking on Places -> Computer.
You will be able to open and edit word and excell documents using open office, view images, access the pages and forums on your network, ftp servers are also available to you. You can also view pdf files, zip archives, use a convenient text editor with syntax highlighting, use the Gimp image editor. In this case, the resulting files can be saved both on the hard disk and on the flash.
That is, if you don’t have an MS office and you don’t want to search for it, install it, or even don’t have free space on your hard drive, you can use open office. Also, this option is suitable if you are sent a dubious Word document and you are afraid to open it, under the LiveCD, your computer is not in danger. And what to do if the system fell and you urgently need a file from the disk / finish the document? After booting from live, you can rewrite this file to flash and edit it if necessary.
Now go to the important point. Linux system recovery features. For starters, you can go to the forum inside the network (if there is one) and ask what to do there, the benefit in the LiveCD is Firefox. You can download the necessary recovery programs from ftp-servers. Linux itself provides a good arsenal of data recovery and backup programs. The first item I would like to mention gparted, you can find it like this: System -> Administration -> GNOME Partition Editor. In terms of functionality, it is similar to partishon magic. In it you can also see how your disks are called in Linux. (most likely your first hard disk is / dev / hda and the first logical partition on it is / dev / hda1, the second hard disk is / dev / hdb, etc.) For example, in GParted you can format the partition, resize it, delete it or create a new one.
Before proceeding to the commands, as I said, you can see the names of your hard disks and their partitions in gparted.
For example, to copy the image of the first logical partition into the /media/hda3/hda1backup.img file, you need to type:
You can copy a CD image like this:
I recommend saving the boot record (MBR):
Learn more about the dd command in Wikipedia.
ru.wikipedia.org/wiki/Dd .
')
If you dislike the console, you can no longer read.
I will give a couple of interesting teams:
Learn the speed of reading the first section of the hard drive
second section
flash drive (first inserted)
sidyuka
Calculate the md5 sum with the md5sum command.
I think this is the time to stop. From myself I can add that there are many more useful commands in Linux, and having acquired a LiveCD and basic knowledge, you will never need more rescue cd or boot diskette. Yes, and in the recovery console will be much less likely to suffer.
PS Waiting for comments and amendments.
So, first, let's see what LiveCd is. The openness of the Linux operating system allows you to build distributions based on it for a variety of purposes. An example is the so-called. LiveCD distributions that allow you to boot the OS directly from the CD. That is, you do not have to install the OS. Just insert the LiveCD into any computer. Then restart it and Linux will boot directly from the CD. In this case, you can view or even edit the files on your hard drive.
Let's see what the Ubuntu LiveCD can offer us after downloading.
You can find your hard drives by clicking on Places -> Computer.
You will be able to open and edit word and excell documents using open office, view images, access the pages and forums on your network, ftp servers are also available to you. You can also view pdf files, zip archives, use a convenient text editor with syntax highlighting, use the Gimp image editor. In this case, the resulting files can be saved both on the hard disk and on the flash.
That is, if you don’t have an MS office and you don’t want to search for it, install it, or even don’t have free space on your hard drive, you can use open office. Also, this option is suitable if you are sent a dubious Word document and you are afraid to open it, under the LiveCD, your computer is not in danger. And what to do if the system fell and you urgently need a file from the disk / finish the document? After booting from live, you can rewrite this file to flash and edit it if necessary.
Now go to the important point. Linux system recovery features. For starters, you can go to the forum inside the network (if there is one) and ask what to do there, the benefit in the LiveCD is Firefox. You can download the necessary recovery programs from ftp-servers. Linux itself provides a good arsenal of data recovery and backup programs. The first item I would like to mention gparted, you can find it like this: System -> Administration -> GNOME Partition Editor. In terms of functionality, it is similar to partishon magic. In it you can also see how your disks are called in Linux. (most likely your first hard disk is / dev / hda and the first logical partition on it is / dev / hda1, the second hard disk is / dev / hdb, etc.) For example, in GParted you can format the partition, resize it, delete it or create a new one.
Before proceeding to the commands, as I said, you can see the names of your hard disks and their partitions in gparted.
For example, to copy the image of the first logical partition into the /media/hda3/hda1backup.img file, you need to type:
sudo dd if=/dev/hda1 of=/media/hda3/hda1backup.img .You can copy a CD image like this:
dd if=/dev/cdrom of=/media/hda3/mydisc.iso .I recommend saving the boot record (MBR):
sudo dd if=/dev/hda of=/media/hda3/backup.mbr bs=512 count=1 .Learn more about the dd command in Wikipedia.
ru.wikipedia.org/wiki/Dd .
')
If you dislike the console, you can no longer read.
I will give a couple of interesting teams:
Learn the speed of reading the first section of the hard drive
sudo hdparm -tT /dev/hda1second section
sudo hdparm -tT /dev/hda2flash drive (first inserted)
hdparm -tT /dev/sda1sidyuka
hdparm -tT /dev/cdromCalculate the md5 sum with the md5sum command.
I think this is the time to stop. From myself I can add that there are many more useful commands in Linux, and having acquired a LiveCD and basic knowledge, you will never need more rescue cd or boot diskette. Yes, and in the recovery console will be much less likely to suffer.
PS Waiting for comments and amendments.
Source: https://habr.com/ru/post/20300/
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