Working with Linux

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Oh-my-zsh – your terminal never felt this goodbefore!Bash is probably the most commonly used shell. It has lots of features and powerful scriptingcapabilities, but when it comes to user interaction, zsh is better. Most of its power comes from theawesome framework oh-my-zsh. In this section, we will be installing zsh.Let's get started with the oh-my-zsh framework and we will be looking at some basic configurationoptions:Open the terminator and type sudo apt install zsh to install zsh, as shown in the followingimage:After installing it, go to this link, https://github.com/robbyrussell/oh-my-zsh, and follow the
instructions for installing the oh-my-zsh framework. The installation process is a one-line commandwith curl or wget. Let's install it using both the command one by one:Via curl:sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-myzsh/master/tools/install.sh)"Via wget:sh -c "$(wget https://raw.githubusercontent.com/robbyrussell/oh-myzsh/master/tools/install.sh-O -)"You will see that the command is giving an error saying that git is not installed, so we need to installthat too. The following command-line is used to install git:sudo apt install gitNotice how easy it is to install software in Ubuntu. This is also a big productivity booster; everycommon software package we might need is already prepackaged in the remote software repositoryand it takes us just one command to add new software to our computer.Now that we have git installed, let's run the command again. We can see that this time it's workingsuccessfully and it's bringing us to our new shell. Oh-my-zsh also changes the default shell to zsh.After installation, the first thing to do is go pick a theme. To see all available themes, run this:ls ~/.oh-my-zsh/themes
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Working with Linux - Quick Hacks fo
Page 4 and 5: Network - Who's listening?Autoenv -
Page 6 and 7: Working with Linux - Quick Hacks fo
Page 8 and 9: Melwyn DsaCover WorkMelwyn Dsa
Page 10 and 11: www.PacktPub.com
Page 12 and 13: Why subscribe?Fully searchable acro
Page 14 and 15: PrefaceOur mission is to save Linux
Page 16 and 17: What you need for this bookIdeally,
Page 18 and 19: ConventionsIn this book, you will f
Page 20 and 21: Customer supportNow that you are th
Page 22 and 23: PiracyPiracy of copyrighted materia
Page 24 and 25: Chapter 1. IntroductionThis book is
Page 27 and 28: Terminator - the ultimate terminalT
Page 29 and 30: Preferences menuIt's an customizing
Page 31 and 32: And voila! This is our newly config
Page 33 and 34: Ctrl + Shift + E for a vertical spl
Page 35 and 36: Text zoom: Ctrl + + and Ctrl + -
Page 37 and 38: Guake - not Quake!Terminator works
Page 39 and 40: I believe you can guess what this d
Page 41 and 42: We can use Guake in full screen by
Page 43 and 44: The tool is automatically added to
Page 45 and 46: For example, we might want to updat
Page 47 and 48: With ClipIt, you can copy and paste
Page 49 and 50: Vim is renowned for its exotic keyb
Page 51 and 52: Press the Insert key again to go to
Page 53: productive in the coolest terminal
Page 57 and 58: Let's create a file, say readme.md.
Page 59 and 60: You can now see the branch name in
Page 61 and 62: History navigation: Click on arrow
Page 63 and 64: To see a list of shortcuts, run the
Page 65 and 66: joe is the string we are searching
Page 67 and 68: If we don't know exactly what chara
Page 69 and 70: To find all the lines that have onl
Page 71 and 72: This will replace every occurrence
Page 73 and 74: Pipes and subshells - your shell's
Page 75 and 76: "df -h": This shows the disk usage
Page 77 and 78: ps aux: This prints all processes w
Page 79 and 80: cat lorem.txt| tr " " "\n": Transfo
Page 81 and 82: imagination and how well you learn
Page 83 and 84: As you can see, the value test is p
Page 85 and 86: In our case, we will be selecting f
Page 87 and 88: esacdoneecho "invalid option"exit 1
Page 89 and 90: ./script.sh --ip wlp3s0We can see t
Page 91 and 92: This way we can start the script, w
Page 93 and 94: Shell scripting librariesTo really
Page 95 and 96: of the current working directory (o
Page 97 and 98: case ${CMD} inpublicip)print_public
Page 99 and 100: Supercharging VimLet's start by ope
Page 101 and 102: Let's choose desert!
Page 103 and 104: We can do the same thing for xml fi
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Keyboard kung fuNow that we have Vi
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Other handy shortcuts are:G: Go to
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:1,$s/CWD/DIR/g:1,$ - start from li
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This will delete everything from li
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cat lorem.txt | tr " " "\n" | grep
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When Vim splits the screen, it open
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Plugin steroids for VimIn this sect
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As we can see, before installing sn
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Here we can see all the snippets av
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A page describing the different enc
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It also has the benefit that it's s
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Using heredocs is a common techniqu
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Sed - one-liner productivity treasu
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If we check the content of the file
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As you can see, the text was update
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You can run, but you can't hide…
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You see here that both readme.md an
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You can see here all files that don
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Find can also locate files based on
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A good folder to search is ~/.local
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As we can see, electron has a few e
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In order to do this, we combine fin
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tmux - virtual consoles, background
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For demonstration purposes, we will
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This will kill the running session.
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You also have the possibility to cr
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Ctrl + b &: delete
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Network - Who's listening?When work
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Other useful information we get fro
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You can quickly understand the form
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As you can see, there is again the
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non-standard. To actually connect t
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hostnames and ports. For a deeper u
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Now let's do the same thing for pro
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autoenv: Are you sure you want to a
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export environment=devexport versio
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Autoenv can really come in handy, a
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Let's assume we don't need the file
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It will show us a list of options a
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Chapter 5. Developers' TreasureIn t
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Clicking on the button generates a
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You can find the files used in this
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The first and most important part o
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The format of the output image will
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This will create a JPEG image with
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Let's try to shrink the large PNG i
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Alright, now let's try and do the s
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Go with the Git flowGit is by far t
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We can see that we are now on the d
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This command will tell us that we h
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This switches us over to our releas
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We see that the only two available
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GitFlow also comes with an enhanced
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Analyzing the git hooks directory,
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Merging Git conflicts with easeNow
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After this, we can run the followin
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Now we can easily see the two files
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In general, most modern IDEs offer
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Now do a rehash and type the follow
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Click on the link provided by ngrok
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JSON jamming in the new ageNowadays
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If we want to grab the request meth
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If we want to use the output as inp
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Say, for example, if we want to cal
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Since that the syntax for accessing
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To skip printing empty bodies, we c
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We can even perform arithmetic oper
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There we can see an example of cons
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This will send gedit to the backgro
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Now we see that the mouse pointer h
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Chapter 6. Terminal ArtAll work and
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To make this recurrent, we can incl
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Now, with our newly learned skills,
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Let your friends be amazed by the c
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IndexAautoenvabout / Autoenv - Set
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Ddesert / Color scheme desertdigabo
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Ffind commandusing / You can run, b
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Iidentify / Shrinking spells and ot
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LlinuxURL, for developers / Are you
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NNERDtreeabout / Plugin steroids fo
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PpathogenURL / Plugin steroids for
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Ssedone-liner productivity / Sed -
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VVimsupercharging / Supercharging V
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Working with Linux

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