Working with Linux

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Which stands for:^: Beginning of line anchor$: End of line anchord: DeleteReload the file, and you see that the lines are no longer there.Now, as you can imagine, these have only been some basic examples. The power of sed is muchgreater than this, and there are many more possibilities of using it than what we have seen today. Werecommend that you gain a good understanding of the features presented here today, as these are thefeatures you will probably use the most. It's not as complicated as it might seem at first, and it reallycomes in handy in lots of scenarios.
You can run, but you can't hide… from findTens of projects, hundreds of folders and thousands of file; does this scenario sound familiar? If theanswer is yes, then you probably found yourself more than once in a situation where you couldn't finda specific file. The find command will help us locate any file in our project and much more. Butfirst, for creating a quick playground, let's download the electron open source project from GitHub:Git clone https://github.com/electron/electronAnd cd into it:cd electronWe see here lots of different files and folders, just like in any normal sized software project. In orderto find a particular file, let's say package.json, we will use:find . -name package.json.: This starts the search in the current folder
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Working with Linux - Quick Hacks fo
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Network - Who's listening?Autoenv -
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Working with Linux - Quick Hacks fo
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Melwyn DsaCover WorkMelwyn Dsa
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www.PacktPub.com
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Why subscribe?Fully searchable acro
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PrefaceOur mission is to save Linux
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What you need for this bookIdeally,
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ConventionsIn this book, you will f
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Customer supportNow that you are th
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PiracyPiracy of copyrighted materia
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Chapter 1. IntroductionThis book is
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Terminator - the ultimate terminalT
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Preferences menuIt's an customizing
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And voila! This is our newly config
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Ctrl + Shift + E for a vertical spl
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Text zoom: Ctrl + + and Ctrl + -
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Guake - not Quake!Terminator works
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I believe you can guess what this d
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We can use Guake in full screen by
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The tool is automatically added to
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For example, we might want to updat
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With ClipIt, you can copy and paste
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Vim is renowned for its exotic keyb
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Press the Insert key again to go to
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productive in the coolest terminal
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instructions for installing the oh-
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Let's create a file, say readme.md.
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You can now see the branch name in
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History navigation: Click on arrow
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To see a list of shortcuts, run the
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joe is the string we are searching
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If we don't know exactly what chara
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To find all the lines that have onl
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This will replace every occurrence
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Pipes and subshells - your shell's
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"df -h": This shows the disk usage
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ps aux: This prints all processes w
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cat lorem.txt| tr " " "\n": Transfo
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imagination and how well you learn
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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 ${CMD} inpublicip)print_public
Page 99 and 100: Supercharging VimLet's start by ope
Page 101 and 102: Let's choose desert!
Page 103 and 104: We can do the same thing for xml fi
Page 105 and 106: Keyboard kung fuNow that we have Vi
Page 107 and 108: Other handy shortcuts are:G: Go to
Page 109: :1,$s/CWD/DIR/g:1,$ - start from li
Page 112 and 113: This will delete everything from li
Page 114: cat lorem.txt | tr " " "\n" | grep
Page 117 and 118: When Vim splits the screen, it open
Page 119 and 120: Plugin steroids for VimIn this sect
Page 121 and 122: As we can see, before installing sn
Page 123 and 124: Here we can see all the snippets av
Page 125 and 126: A page describing the different enc
Page 127 and 128: It also has the benefit that it's s
Page 129 and 130: Using heredocs is a common techniqu
Page 131 and 132: Sed - one-liner productivity treasu
Page 133 and 134: If we check the content of the file
Page 135: As you can see, the text was update
Page 139 and 140: You see here that both readme.md an
Page 141 and 142: You can see here all files that don
Page 143 and 144: Find can also locate files based on
Page 145 and 146: A good folder to search is ~/.local
Page 147 and 148: As we can see, electron has a few e
Page 149 and 150: In order to do this, we combine fin
Page 151 and 152: tmux - virtual consoles, background
Page 153 and 154: For demonstration purposes, we will
Page 155 and 156: This will kill the running session.
Page 157 and 158: You also have the possibility to cr
Page 159 and 160: Ctrl + b &: delete
Page 161 and 162: Network - Who's listening?When work
Page 163 and 164: Other useful information we get fro
Page 165 and 166: You can quickly understand the form
Page 167 and 168: As you can see, there is again the
Page 169 and 170: non-standard. To actually connect t
Page 171 and 172: hostnames and ports. For a deeper u
Page 173 and 174: Now let's do the same thing for pro
Page 175 and 176: autoenv: Are you sure you want to a
Page 177 and 178: export environment=devexport versio
Page 179 and 180: Autoenv can really come in handy, a
Page 181 and 182: Let's assume we don't need the file
Page 183 and 184: It will show us a list of options a
Page 185 and 186: 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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