WEBVTT 00:03.090 --> 00:11.580 Well, one of the most fundamental tasks in Linux or any operating system is adding and removing software. 00:12.150 --> 00:18.630 You will often need to install software that didn't come with your distribution or remove unwanted software, 00:18.630 --> 00:22.410 so it doesn't take up her hard drive space. 00:23.820 --> 00:27.330 Some software requires other software to run. 00:27.740 --> 00:34.350 Uh, so and you will sometimes find that you can download everything you need at once in a software 00:34.350 --> 00:41.850 package, which is group of files, typically libraries and other dependencies that you need for a piece 00:41.850 --> 00:44.520 of software to run successfully. 00:45.210 --> 00:48.510 When you install the package, I'll um. 00:49.560 --> 00:52.380 Uh, we don't when you install a package here. 00:54.670 --> 01:04.960 All the files fit within it are installed together here, as you can see here, we have so many hacking 01:04.960 --> 01:08.410 tools in Linux like password attacks, violence so that we will. 01:08.800 --> 01:13.150 You will learn all of our tools in our course here. 01:13.480 --> 01:14.860 So, um. 01:16.480 --> 01:26.020 In this lecture, we examine three key methods for adding new software a package manager, uh, graphical 01:26.020 --> 01:28.930 user, interface based installation managers and kit. 01:29.710 --> 01:34.780 So using API to let's start using epithet to handle software. 01:36.320 --> 01:43.970 In Debian based Linux distributions, which includes no Kali and Ubuntu, the default software manager 01:43.970 --> 01:51.680 is an advanced packaging tool, a team whose primary command is apt. 01:51.830 --> 01:59.720 Get here and in the simplest and most common form, you can use APT, get to download and install new 01:59.720 --> 02:05.420 software packages, but you can also update and upgrade and charter it. 02:06.260 --> 02:10.460 So let's search a package here now. 02:10.850 --> 02:17.000 Before downloading this software package, you can check whether the package you need is available from 02:17.000 --> 02:22.030 your repository or not, which has placed you where your operating system stays. 02:22.280 --> 02:28.910 Stores information The APC tool has a search function that can check whether the packages available, 02:29.570 --> 02:32.780 so the syntax is informative to NPR team. 02:33.500 --> 02:34.670 Check here. 02:34.670 --> 02:38.660 Search Keyword here. 02:38.750 --> 02:42.410 For example, a key tool and, for example, search Chrome. 02:43.660 --> 02:47.860 As you can see here, we have so many from here. 02:49.490 --> 02:52.870 Cro-Magnon, Sheryl Crow, Muma and others. 02:55.230 --> 02:56.520 Or we can search. 02:57.200 --> 02:58.320 Senator. 03:02.920 --> 03:03.970 Let's see here. 03:04.420 --> 03:12.190 So now I want your adding software to it now that, you know the snort package here. 03:13.060 --> 03:13.690 Um. 03:18.470 --> 03:28.070 As you can see here, exist in your story, so you can use APT, get to download the software to install 03:28.070 --> 03:34.400 a piece of software from your operating systems default repository in the terminal, use the APT get 03:34.400 --> 03:41.870 command, followed by the key word installed here install and then the name of the package you want 03:41.870 --> 03:42.860 to install. 03:43.760 --> 03:51.470 The syntax will look like that, for example, the name of the package here, so let's install small 03:51.470 --> 03:53.630 theater arts. 03:54.920 --> 04:03.970 So if you get error like that odd pseudo promotion, so run this command, which should have permissioned 04:04.230 --> 04:07.820 and interior kelly passport here and as you can see here. 04:08.240 --> 04:13.570 And after all these, uh, operation ten point five megabyte of additional disk space will be yours. 04:13.580 --> 04:17.570 Do you want to continue for this year and enter? 04:17.630 --> 04:19.180 Yes and no. 04:19.220 --> 04:21.350 Now Francis is demanding. 04:24.130 --> 04:24.490 Yes. 04:40.460 --> 04:44.150 As you can see, his snot is installed now. 04:50.690 --> 04:54.890 As you can see, eBay started snored as well. 04:58.750 --> 04:59.980 But I will quit now. 05:02.120 --> 05:02.660 Actually. 05:05.990 --> 05:06.380 So. 05:07.990 --> 05:13.210 We can't remove packages, so you will remember in pictures in Linux, no. 05:13.660 --> 05:22.750 So when removing a software news API to get with the removal option followed by the name of the software 05:22.750 --> 05:23.320 to remove. 05:23.330 --> 05:31.840 So if I want to remove snored here small remove snore care. 05:32.860 --> 05:37.930 Uh, if you get this error, uh, just uh, the pseudo here. 05:39.840 --> 05:41.310 And your county? 05:42.480 --> 05:45.240 A password and a Kindle, yes. 05:45.570 --> 05:45.870 Yes. 05:58.030 --> 06:04.450 So we removed our snort with three more comment here, but again, you will see the task being done 06:04.450 --> 06:08.590 in real time and you will be asked whether you want to continue or not. 06:09.070 --> 06:20.050 So you can enter year two one install and end to, um, keep snorts of signs we will be using again. 06:21.430 --> 06:29.740 So, no, but I removed it, so I will instantly snort again and putting it in remove, snort I to get 06:29.980 --> 06:32.230 install, snort here we will. 06:32.410 --> 06:41.250 I have another, uh, software removing a comment here and you will see it. 06:41.260 --> 06:41.890 And now?