Download E-books Command Line Kung Fu: Bash Scripting Tricks, Linux Shell Programming Tips, and Bash One-liners PDF

By Jason Cannon

Become a Linux Ninja with Command Line Kung Fu!

Do you're thinking that you want to lock your self in a basement studying cryptic guy pages for months on lead to order to have ninja like command line abilities? in truth, for those who had anyone percentage their strongest command line counsel, methods, and styles you would store your self loads of time and frustration. What if you happen to may well glance over the shoulder of a great pal that simply occurred to be a command line guru? What in the event that they not just confirmed you the instructions they have been utilizing, yet why they have been utilizing them and precisely how they labored? And what if that good friend took the time to jot down it all down so that you can discuss with it everytime you beloved? good, a pal did simply that. Command Line Kung Fu is filled with dozens of guidance and over a hundred useful real-world examples. you will not locate theoretical examples during this ebook. The examples show find out how to resolve real difficulties and attain valuable objectives. The strategies are effortless to discover, too. every one bankruptcy covers a particular subject and teams similar counsel and examples jointly. for instance, if you would like aid extracting textual content from a dossier glance within the "Text Processing and Manipulation" bankruptcy. additionally, a accomplished index is incorporated. with the intention to locate each instance the place a given command is used -- no matter if it isn't the most topic of the end -- glance within the index. it's going to checklist each position within the booklet the place that command seems to be. this is just a few of what you are going to study by way of analyzing Command Line Kung Fu:

  • How to quick and simply repeat instructions on your shell history
  • Shortcuts for grabbing particular phrases out of your shell heritage to take advantage of on your present command
  • How to avoid wasting a replica of your command line consultation for later reference
  • How to strip out clean strains and reviews from files
  • How to regulate colorized textual content while makes use of pipes and pagers
  • Ways to rework textual content: from altering case to substituting characters and more
  • How to extract particular blocks of textual content from documents or streams of input
  • A speedy tip to mend universal typos
  • How to edit records over the network
  • How to match the variations among records in your neighborhood machine and a distant one
  • How to create and use SSH tunnels
  • Ways to make sure what courses are listening on what ports
  • How to kill all of the strategies for a given person with a unmarried command
  • Strategies for facing multi-hop SSH connections
  • How to disconnect from a server in a manner that may let you choose up the place you left off
  • How to automate software program installs that require consumer input
  • Shell scripting tips
  • How to immediately preserve repeating a command till it succeeds
  • The correct method to delete a dossier that's being written to
  • How to surf the net from the command line... and extra importantly the best way to obtain whatever from the internet and have interaction with HTTP APIs
  • Ways to figure out who and what's utilizing the main disk space
  • How to safe your net browser consultation while utilizing an open wifi hotspot
  • How to generate random passwords from the command line
  • Two information for simply growing backups
  • Tips for dealing with tar archives
  • How to switch a string in a number of records instantly with only one command
  • and a lot more...

What you examine in Command Line Kung Fu applies to any Linux distribution together with Ubuntu, Debian, Linux Mint, RedHat, Fedora, OpenSUSE, Slackware, and extra.

Scroll up, click on the "Buy Now With 1-Click" button to get your black belt in Linux Command Line Kung Fu.

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Read or Download Command Line Kung Fu: Bash Scripting Tricks, Linux Shell Programming Tips, and Bash One-liners PDF

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Utilizing the above configuration, this command will proxy your ssh connection to server1 via jumphost. $ ssh server1. instance. com $ uname -n server1 $ Disconnect from a distant consultation and Reconnect at a Later Time, making a choice on up the place You Left Off $ ssh remote-host $ reveal ctrl-a, d $ go out $ ssh remote-host $ monitor -r whilst i've got a protracted operating method that i have to whole on a distant host, I continuously commence a reveal consultation sooner than launching that technique. i do not need a blip in my community connection to break the paintings being played at the distant host. occasionally I release a procedure, detach from the consultation, and reconnect later to check the entire output that happened whereas i used to be away. First, ssh into the distant host. subsequent, commence a display consultation. commence acting your paintings at the distant host. Detach from the monitor consultation through typing ctrl-a by way of d. the method you begun will nonetheless be operating within the reveal consultation while you are away. additionally, any output generated might be to be had so that you can view at a later time. $ ssh remote-host $ monitor $ /usr/local/bin/migrate-db beginning DB migration at sunlight Apr thirteen 21:02:50 EDT 2014 [detached] $ go out To reconnect in your reveal consultation, hook up with the distant host and sort reveal -r. If there's any output that scrolled prior the head of the display, you could view by means of typing ctrl-a by way of the get away key. Now use the vi navigation key bindings to view the output heritage. for instance, you could kind okay to maneuver up one line or ctrl-b to web page up. when you are entire taking a look at the output heritage, hit break out to come to the reside consultation. To give up your display consultation, sort go out. $ ssh remote-host $ reveal -r beginning DB migration at 21:02 table1 migrated at 21:34 table2 migrated at 22:11 table3 migrated at 22:54 DB migration accomplished at 23:04 $ go out [screen is terminating] $ go out monitor is likely one of the most generally used and on hand reveal multiplexers. notwithstanding, there are options reminiscent of tmux, dtach, and byobu. Configure SSH to Append domains to Host Names in response to a development The contents of ~/. ssh/config: host-prefix* ! *. area. com HostName %h. area. com when you hook up with hosts in a number of domain names through ssh it may possibly get tiresome typing out the absolutely certified area identify every time. a method round this challenge is so as to add every one area to the quest checklist in /etc/resolv. conf. The resolver will the try out the solution for the desired host identify in all of the domain names within the seek checklist until eventually it reveals one who resolves. $ cat /etc/resolv. conf nameserver eight. eight. eight. eight nameserver eight. eight. four. four seek domain1. com domain2. com domain3. com domain4. com domain5. com domain6. com domain7. com whilst typing "ssh remote-host" with the above resolv. conf in position, the resolver will try to translate remote-host. domain1. com into an IP deal with. If that fails, it is going to try to unravel remote-host. domain2. com, and so forth. the matter with the above reslov. conf is that the quest checklist is proscribed to only six domain names. So, remote-host.

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