Imagine there was a command to do exactly what you need. But you don't know it. Welcome to Linux.

@protoketer4554

Жыл бұрын

the linux experience

@billfarley9015

Жыл бұрын

Not only that but there are 5 or 10 different ways to do the thing you want to do that you can't do at all on the GUI.

@protoketer4554

Жыл бұрын

@@billfarley9015 gui is for plebs anyway

@alonsoACR

Жыл бұрын

Imagine there is something you need but there is no way to do it at all. Welcome to Windows.

@kingdededelicious

Жыл бұрын

Linux is capable of doing whatever you want, if only you know how to tell it what you want

Bash "factoring" (IDK the real term) is useful too: "chmod 775 file{1,2,3,4}" will turn the last part into "file1 file2 file3 file4". It's quicker for creating copies of files too, like "cp file{,.bak}" instead of "cp file file.bak".

@Tomix4k

Жыл бұрын

Oh wow i didn't know about this. So many seconds wasted to writing namefiles twice.

@123lepiaf

Жыл бұрын

It is called shell expansion I believe

@chambln

Жыл бұрын

It's called brace expansion

@MrRozburn

Жыл бұрын

{1..4} works a treat

@fllthdcrb

Жыл бұрын

@@MrRozburn Oh, nice. I didn't know about the range syntax. It works for characters, too. But it looks like it's limited to ASCII characters. Or to characters with single-byte encodings. Not sure which.

Another useful trick is the key bind “alt+.” to use the last argument for the previous commands. For example, let say the command “cat /etc/resolv.conf” and now you want to edit this same file. This can be done typing “vi” and pressing “alt+.” and /etc/resolv.conf autocompletes in screen. And pressing multiple times it woks like a UP arrow key but for last previous commands arguments.

@tancoviols9894

Жыл бұрын

In general, you can refer to the i-th argument of the previous command using '!!:i'. To get to the last, use $ (-1 won't work) E.g: '!-2:2' gets you the second argument from the command before the previous one

@lucasschneider-dev

Ай бұрын

to be honest this was way more useful than any of the tips in the video. I also love Ctrl+R backwards search :3

After watching this video and practicing for a few minutes I won the lottery, and found myself surrounded by beautiful women who now compose my harem Thanks mental outlaw, very based video

That thumbnail was hilarious 💀💀

@rimondas6729

Жыл бұрын

@Dоnut Ореrаtоr 🅥don't lie to me you susy baka

@jarro2778

Жыл бұрын

Ahahahah yea

For the double exclamation, I don’t use it at all, because I find it more comfortable to press the up arrow key, then home and type sudo

@snap_oversteer

Жыл бұрын

This, except home key I use ctrl+a

@tryfan2k2

Жыл бұрын

For the systemctl examples, it's more efficient to up arrow than to type everything anyway.

@szaszm_

Жыл бұрын

@@tryfan2k2 Nobody was talking about typing everything again. The alternatives discussed were double exclamation mark, which gets substituted to the last command when run, and pressing up arrow and editing the line.

@sleekweasel

Жыл бұрын

I much prefer to see the command I'm about to sudo. Especially with multiple terminals open to multiple machines.

@okinawadreaming

Жыл бұрын

The virgin sudo ! fan vs the Chad uparrow+home+sudo enjoyer

Cant forget the almighty "Ctrl + r" Reverse lookup is hands down one of the best things for quick history stuff. Can be dangerous if your too eager though lol

@xtdycxtfuv9353

Жыл бұрын

Bash has a good few emacs functions.

@glitchy_weasel

Жыл бұрын

i dont know how the lookup works. it always seems to choose a command that i dont want :p

@thorwaldjohanson2526

Жыл бұрын

@@glitchy_weasel you can press ctrl+r again and again once you typed a search term, it then cycles through all past commands with matching keywords

@bonkgameing

Жыл бұрын

How is it dangerous? I’m a Linux noob

@bripbrap

Жыл бұрын

@@bonkgameing Not to worry, we all start somewhere. If you're quick to press return on what you think is the right command you could end up running a command you dont want.

_“I’ve seen a GUI punch through a concrete wall. [...] Yet their strength and their speed are still based in a world that is built on rules. Because of that, _*_they will never be as strong or as fast as a CLI can be.”_* -- *Morpheus* _dixit_ (kind of) 😎

@MewTheGamer

Жыл бұрын

Morbius

@BSenta

Жыл бұрын

Such an epic comment

@SliceJosiah

Жыл бұрын

@@MewTheGamer Mobius

@kenwu7

Жыл бұрын

Truly underrated comment 👏👏👏

@rune.theocracy

Жыл бұрын

Truly one of the Morpheus of all time

Great tips, and great video.. Speeds things up a lot indeed! For replacing "status" with "start" in the systemctl command you can also run something even shorter: ^status^start

@rehmanarshad1848

Жыл бұрын

Yeah that's what I was thinking to!!! 😂😂🤣

@atpray

Жыл бұрын

Anything similar that works in fish shell?

@tylorhillman9186

Жыл бұрын

^that^this

Just a couple of thoughts about history in bash: I personally don't save my bash history because with so many terminals open I wouldn't know which terminal will save its history; I have the string "\!" in my prompt to display a command number so that I can find the number of a previous command easily when I want to use ! to re-run said command.

“pushd” and “popd” are some cool commands I found useful when I knew I needed to eventually return to a directory. pushd /path/to/directory will push that directory to the “stack” in the terminal, so you can navigate anywhere you want thereafter, and when you execute popd, it’ll return you to the same directory you pushed previously. There’s also the “script” command which records your input and output to a file of your choice which is useful when logging your actions in the terminal.

@msor6108

Жыл бұрын

There is a bunches of nonsense shell plugins that essentially mimic the behavior of pushd and popd in a slightly different way and people cherish these plugins that use a million lines of shell scripting and slow down their shells as if pushd and popd do no exist.

@msor6108

Жыл бұрын

@yuuwe pretty sure if you change default shell from ksh/csh/whatever the default shell is to something like bash or zsh you will get that functionality. Also you could probably alias something together in your default shell in whatever bsd to essentially do a pushd/popd.

@NicolaiWeitkemper

Жыл бұрын

As a poor man's alternative, "cd -" brings you back to the precious working directory.

I know about changing Bash to vi bindings, but Bash has Emacs bindings by default, even without Emacs installed. Also, vi support is available without Vim or some other vi installed. Both are features of libreadline. Check ldd `which bash` and you'll see libreadline, not anything from Vim or Emacs. Imagine you've switched your keyboard to Dvorak, and everyone else is still using QWERTY. That's what the situation with Bash is like. Even if you're committed to using vi bindings, it's worth knowing Emacs basics for when you inevitably encounter it in the wild as the default.

@okinawadreaming

Жыл бұрын

...or just run set -o vi for your session. Like you said, you'll be hard pressed to find a Linux machine without vi.

@calleha01

Жыл бұрын

yeah some people like to bash on (lol) emacs bindings without having even used them. there's seldom a time you need to use vi when you already know emacs, but learning both for the sake of knowing them is obviously a good idea. this example of ssh-ing into a server with only vi installed never made much sense to me, because either you'd use vi on the local machine as a vim user or you'd tramp into the file remotely as an emacs user. (also, modal editing on the command line? ew...)

0:40 Mental outlaw: !! Me: *Hits up arrow* *Hits enter*

Instead of using the double bang for the substitution I use ^replacee^replacement Or in your example ^status^start

when i was on high school, i'm really stuck with Nano, but today after i watch your video kenny, i wanna learn more about vim

Top Tier Content. I think the only thing I ever really used was "sudo !!" in the whole video, and I've been using Linux in some degree since I was 14. I did know somewhat of the other history commands and shortcuts, and using VI on the CLI... but never have really applied it. Old habits die hard. I am pretty good with using readline shortcuts to quickly jump by word, etc.

@anon_y_mousse

Жыл бұрын

I just use the same ones they use on Windows, Ctrl+{Left,Right}.

@xtdycxtfuv9353

Жыл бұрын

Read through Bash’s parameter expansion, and through Bash’s history expansion.

Command line tricks made me a Chad when I was first starting my first job out of college, I guess they don’t teach Linux in India because the offshore guys never know any of these

Amazing!!! Learnt so much

I’ve used aliases so that I can run both sudo apt update and sudo apt upgrade with just “uu”. Really helpful stuff

Thanks for putting this out here!

LOL sure I gonna remember all this random syntax for sure

I like this channel I always learn new things from these videos.

another history trick i find useful is doing "!foo" to run the last command starting with "foo". for example if im testing a python script and editing files and so on i can just at any moment do "!py" and it will run "python mypythonscripy.py arg1 arg2 arg3" tangentially related to history stuff "cd -" is pretty useful. switches back and forth between current and last directory visited. ({push,pop}d is more powerful but i can't ever keep track mentally of the dirs stack)

Instead of the double bang, shift up and shift down. Let's you cycle through your shell history. Or just up and down depending on which terminal your using.

@lagging_barish3736

Жыл бұрын

came here to say this

@cancelhandles

Жыл бұрын

1:50

@mustekala797

Жыл бұрын

On Stackoverflow I found this advice that I cant live without anymore: In my home folder I create a file named .inputrc Inside goes this "\e[5~": history-search-backward "\e[6~": history-search-forward Then typing however much of a previous command I wish & using the page up/down buttons searches the history

@emblemi6345

Жыл бұрын

@Соdу Ко 🅥 what kind of spam is this

@anon_y_mousse

Жыл бұрын

@@mustekala797 Thanks, and it doesn't interfere with Shift+Page{Up,Down} to scroll the terminal output either.

wow kenny thank you for these amazing tips mr. admin

Pretty cool stuff, however I find it more convenient to just use ctrl+r and home/end/alt/ctrl for quick navigation

Please create an extensive video on grep, ask, sed, and Bash. Your videos are always awesome.

Thanks for the "!!" one, I figured that it wouldn't be a common enough issue

!* was nice, I try to remember that and use it. Do you do any programming?

I knew about bang bang but bang bang substitution may have just changed the entire course of my life … thank you.

Lessons in how to be a comand line warrior! Thanks, much appreciated.

I saw `sudo vim` in your history and just wanted to say that there is a command `sudoedit` specifically for that. It allows you to edit files with sudo rights but using your own user, not root

Clearly you saved the best for last. I’m definitively using that one next time I boot

Substitution you can preform with ^ instead of !!:s/. So in your example you can just do ^status^start and that will replace the word start with status.

I swear I have to resub to this channel monthly

Thanks buddy.

2:13 If I use my shell's vim bindings, I can edit the previous command in many less keystrokes than typing that. Still, I don't use bash so I don't have the double exclamation mark either way

Thanks👍

3:32 when you use debian and arch at the same time.

@vaisakhkm783

Жыл бұрын

wtf, just now i noticed

@pohuy2180

Жыл бұрын

lol

@magnum333

Жыл бұрын

good eye!

I have been using Linux since SuSe 8.2 came out, and I learned a lot of new thing in this video. Thanks a lot!

I saw that you had two GPUs when you did neofetch, but they're different GPUs. Is that for GPU passthrough for gaming (or doing other GPU intensive tasks) on a KVM?

Ah, the vi mode is something I will try out. I do occasionally end up in situations where I start trying to use vi commands while in shell just to realise that I’m not in vim.

dude more of this please

You have a great day as well Sir!

Vim is crucial to know, sometimes you don't have any other option, say you connect to a ssh server or a kubernetes pod that has minimal installation and you dont have permission to use apt. I use vim extension to vscode ( because sometimes you just need to use an IDE).

Chaotic Neutral pronouncing sudo as both sudo and sudo

@tissuepaper9962

Жыл бұрын

"sue-doo" makes more sense as far as what the abbreviation means (SuperUser DO), but "sue-doe" follows the phonotactic constraints of English. There's no clear right answer, so why not just use both so everybody gets pissed off? It's more fun that way.

Thanks for this vid! Is there any documentation or resource that lists these commands somewhere?

Some of these commands I never knew about until today, and I have been using Linux for 15 years.

Honestly way more useful would be SSH tricks. Configuring it to use jumphost for certain Networks, using your ssh user by default, setting custom Ports for certain Servers, etc. Also interesting for new users might be common grep commands and for loops in the shell.

I have such towering seniority that, by simply being able to use a command line at all, my colleagues are impressed to the point of fainting. Truly a god among men

This was amazingly useful

Damn, how did I not know about '!'? I've been dabbling since the early 2000s. Would have really changed my experience over the years lol

4:04 "thousands and thousands of commands", while showing the file has 1448 lines that being said, thanks, very useful video

Hey Luke. I think you should consider making a video on setting up the WireGuard VPN; it'd be interesting to hear your thoughts.

I have been using Linux for almost a decade and am still learning shit. Thank you lol

Crtl + r is another good one to search the history

For sudo !!, just press up arrow, home and write 'sudo '. You don't have to write the command again.

Can you get the row number of a history function using grep and then using it with ! Mark? This sounds like a good way to automatically one liner re run specific function by grep and can be added the changes

@naelblogger7976

Жыл бұрын

cat -n ~/.bash_history | grep mySearchPattern will show you the commands with your pattern and number lines, which you can then use with !. Or, if you like danger, you can automatically take the first match :P !$(cat -n ~/.bash_history | grep mySearchPattern | { read -a array ; echo ${array[0]} ; })

Chad CLI users vs Mad GUI losers Edit: genuinely curious what car Sr. Outlaw drives.

@roma8663

Жыл бұрын

Dacia Sandero

@gamtax

Жыл бұрын

Must be a car that Scotty Kilmer recommends...

Can you make a video about systemd? I really would love your point of view.

What amazing shell color scheme are you using and how do I get it?!

I just learned the Cntrl + R for searching cached terminal history.

this is his funniest thumbnail yet

Good stuff!

I can feel my power level rising

Quality vid my dude 👍

I learned nothing new bash-wise, but the idea of coloring different filetypes is really neat.

question about vi mode, is there a way to change cursor depending on what mode I'm in? For instance, could I have a 'line cursor' for insert mode and a 'block cursor' for normal mode? I think that would help a lot.

Great Video

another really helpful one is repeating the last command start with an 'f' for example, would be " !f " so if you remember the first letter(s), you can do multiple commands from history really quickly e.g. !bison !flex !gcc or !b !f !g

!$ should be mentioned too, it's expand your last word of previous command, it's handy when your last command is a file name or directory, then you can do cd !$ or vi !$. great video as always

6:35 BTW, you could use "file?" where '?' stands for any (one) non-space character

@anon_y_mousse

Жыл бұрын

If it's a range of something he could also use {1..9} or [1-9]. One thing I've found quite useful is when you want to match on 2 or more characters too, such as ls -d [Aa]?* to list everything that starts with an A or a but not merely a or A on their own. I have multiple folders that are sorted alphabetically.

You can use ^ to substitute. For example: $ sudo systemctl status sshd $ ^status^start^

inxi -b is my new preference over neofetch as of today

These shortcuts work in weird terminals as well: Ctrl-A: Jump to the start of the cmd line (like Home) Ctrl-E: Jump to the end of the line (like End) Ctrl-P: Jump to the last command (like up arrow) Ctrl-N: Jump to the next command (like down arrow) Ctrl-B: Move the cursor to the left (like left arrow) Ctrl-F: Move the cursor to the right (like right arrow) Ctrl-W: Delete the word to the left of the cursor Ctrl-S: suspend output (like scroll lock on in tty) Ctrl-Q: continue output (like turning scroll lock off in tty) Ctrl-L: clear the screen Did I miss anything?

@apmcd47

Жыл бұрын

Ctrl-H: delete last (backspace) Ctrl-U delete from current char to beginning of line Ctrl-D: delete next (delete key) Esc D: delete from current character to word break Ctrl-R: Search backwards (Ctrl-S is search forwards, but you have to disable suspend to use it)

@tancoviols9894

Жыл бұрын

These commands come from emacs, and as such you should also have: Ctrl-K: delete anything ahead of cursor Ctrl-Y: paste the last deleted thing (either with Ctrl-K or Ctrl-W) Alt-Y: If used right after a Ctrl-Y, cycles through the deleted sections

One time in college, internet went down, i used ping and explained to a non-techie how it works - oh wow, thats impressive!

When she asks you "Hey, do you use Ubuntu or Manjaro?", and you just reply "Fedora, ma'am". Best day of my life (has yet to come)

I'm just learning, but im already the guy who makes scripts in the office. So thank you.

Are you snooping? I just got into Arch and I am in dire need of translating my Windows scripting to Linux. Blessed be thee.

i doubt you will see this but ide like to say thanks for getting linux out there a bit more ive just compiled dolphin from source today ( it was a fucking nightmare) and am currently using unbuntu now. while i have many issues now im ironing them out. the only come out when im using the terminal and are surprisingly easy to fix. no way in hell im trying gentoo anytime soon, fuck compiling from source. i have to say linux runs wonderfully on my little shit box.

Nice vid. I would skip the advice though with regards to vi and just stick with the default bash keyboard shortcuts from the GNU Readline Library. These default shortcuts are used by many appliances and systems that you may encounter in your engineering career.

@tubbiele2

Жыл бұрын

the same the other way around

@rinumu2736

Жыл бұрын

You can enable vi mode for all more applications in .inputrc, so they work in more places

Every time I see japanglish like "uindouzu" here I smirk to the brink of death.

Emacs does not need to be installed on the server, you can use it on the client and connect via ssh to the server directly from there (not the usual terminal emulator), and safely use your configuration of emacs

Damn thats a really cool DE theme

May everyone succeed in their dreams. I'm developing a game since Jan 2020

@masterdoge17

Жыл бұрын

you may have been developing a game. Meanwhile I just found out how to turn off mono audio on my pc

@Zamu273

Жыл бұрын

What's the name of the game

@Zamu273

Жыл бұрын

@@masterdoge17 nice I still haven't figured that out

@masterdoge17

Жыл бұрын

@@Zamu273 my audio has been so trash and I couldn’t figure out why. Reinstalled drivers, used older drivers, used different amps and headphones, nothing worked. But then I just searched up mono audio on windows start menu and then found out I had it on the whole time :/ fun.

@MentalOutlaw

Жыл бұрын

Bro just release your unfinished game. Devs have been doing pre alpha releases for years now, also make the game open source please.

Best commands ever: - CTRL+w = clears word - CTRL + U = clears whole line There is nothing magical about unixy commands.. They are extemely powerful weapons you need to memorize.. There is logic to help you memorize such as `w` standing for word ..

@alonsoACR

Жыл бұрын

arent those emacs keybindings

@Jebusankel

Жыл бұрын

​@@alonsoACR yes. They're actually handled by a program called readline. You can configure readline to use vi key bindings. Also you could write your own shell or command line program and use readline as a library to get all the same functionality.

I AM that guy that installs nano on all of the company servers that I happen to ssh on 😔

Will you make one for the Windows command prompt and Windows PowerShell? Some of us are stuck with being Windows admins.

The more terminal customizations, the stronger the virginity.

Do more command line videos / VIM videos plz.

so cool! 😄

I never got the hang of VI mode in bash and tend to stick with Emacs mode which I find much more intuitive. On the other hand I find Emacs too complicated for my needs and stick to VI.

@code8986

Жыл бұрын

I thought I was weird for thinking and doing the exact same thing... glad to know I'm not the only one! 😀

@anonymous82783

Жыл бұрын

how is that even possible

You're the Jayson Tatum of Linux!!!

there is one other good way to run a substitution on the last command " ^foo^bar^ "

Hmm. Unconvinced about !-3* - unless there's an in-line expansion you can see and verify before running it. Also, use ? to match a single character or {...} to specify the endings. Or up-arrow to see the parameters and edit the start of the line.

I usually just use up arrow to cycle through the history

damn boy got the threadripper just to drive arch

RedmondXP. A man of culture.

7:36 Wouldn't chmod 777 file[12345] work as well? Especially if you haven't typed anyting related to those files in your terminal, like creating them.

@tissuepaper9962

Жыл бұрын

file? and file[1-5] should also work

Btw to open .bash_history you can just type history, otherwise I didn't know that ! command, that's pretty neat