Working with Linux

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basis. Use it only when the graphical user interface (GUI) is not responding.Another trick: if the GUI is not responding and you have unsaved work, you can recover some of itfrom the command line, by accessing one of Linux's virtual terminals. Ubuntu starts, by default, sevenvirtual terminals and the graphical user interface starts on terminal 7. To access any of the seventerminals use Ctrl + Alt + F1 to F7. A prompt will appear asking you to log in and, after logging in,you can run some commands to close processes and save work before exiting. To get back to the userinterface, hit Ctrl + Alt + F1.
Chapter 6. Terminal ArtAll work and no play makes Jack a dull boy. Even though the command line seems boring to a lot ofpeople, it can become great fun. It all comes down to your imagination. Terminals can be stylish andcan give a good impression, especially the ones we see in the movies. Colors, ASCII art, andanimations can make our terminal come alive. So, here comes some terminal art!In this chapter, we will cover the following:Working with some Linux commands to have fun withEver heard of fortune cookies? Do you want to have them without getting fat? Just run the followingapt command to install the utilities that we will be using in this chapter:sudo apt install fortune cowsay cmatrixThen run this command:fortune
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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
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In our case, we will be selecting f
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esacdoneecho "invalid option"exit 1
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./script.sh --ip wlp3s0We can see t
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This way we can start the script, w
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Shell scripting librariesTo really
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of the current working directory (o
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case ${CMD} inpublicip)print_public
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Supercharging VimLet's start by ope
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Let's choose desert!
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We can do the same thing for xml fi
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Keyboard kung fuNow that we have Vi
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Other handy shortcuts are:G: Go to
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:1,$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
Page 197 and 198: Let's try to shrink the large PNG i
Page 200 and 201: Alright, now let's try and do the s
Page 202 and 203: Go with the Git flowGit is by far t
Page 204 and 205: We can see that we are now on the d
Page 206 and 207: This command will tell us that we h
Page 208 and 209: This switches us over to our releas
Page 210 and 211: We see that the only two available
Page 212 and 213: GitFlow also comes with an enhanced
Page 214 and 215: Analyzing the git hooks directory,
Page 216 and 217: Merging Git conflicts with easeNow
Page 218 and 219: After this, we can run the followin
Page 220: Now we can easily see the two files
Page 223 and 224: In general, most modern IDEs offer
Page 225 and 226: Now do a rehash and type the follow
Page 227 and 228: Click on the link provided by ngrok
Page 229 and 230: JSON jamming in the new ageNowadays
Page 231 and 232: If we want to grab the request meth
Page 233 and 234: If we want to use the output as inp
Page 235 and 236: Say, for example, if we want to cal
Page 237 and 238: Since that the syntax for accessing
Page 239 and 240: To skip printing empty bodies, we c
Page 241 and 242: We can even perform arithmetic oper
Page 243 and 244: There we can see an example of cons
Page 245 and 246: This will send gedit to the backgro
Page 247: Now we see that the mouse pointer h
Page 251 and 252: To make this recurrent, we can incl
Page 253: Now, with our newly learned skills,
Page 256 and 257: Let your friends be amazed by the c
Page 258 and 259: IndexAautoenvabout / Autoenv - Set
Page 260 and 261: Ddesert / Color scheme desertdigabo
Page 262 and 263: Ffind commandusing / You can run, b
Page 264 and 265: Iidentify / Shrinking spells and ot
Page 266 and 267: LlinuxURL, for developers / Are you
Page 268 and 269: NNERDtreeabout / Plugin steroids fo
Page 270 and 271: PpathogenURL / Plugin steroids for
Page 272 and 273: Ssedone-liner productivity / Sed -
Page 274 and 275: VVimsupercharging / Supercharging V
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Working with Linux

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