ClusterBomb @ ClusterBomb @lemmy.blahaj.zone

Posts

5

Comments

84

Joined

2 yr. ago

This is not a demonstration and this does not qualify as a scientific proof. 🤷

They polled teachers. It ir like I polled religious and conclude that God exists because God speaks to most of the people I polled. This is not science, sorry not sorry.

Yeah, except science does not work like that. 😐

1312 is the best PIN code tbh.

I've had kidney stone, they would be on the floor already, calling emergencies. It is not only after peeing.

(I'm not a doctor)

It may not be the strangest, but it shows how some teachers just don't like you personnally for no reason. I don't know the English grade system so I was around 14-15yrs old I'd say. Drawing teacher gave me 2 hours of detention which I didn't know (I learned it because I stood in school as my parents couldn't take me early). So I learned that, I had an exercise to draw again the same exercise because my previous drawing was "bad" and he thought I didn't spend enough time on it. Surprise, the girl who has had the greatest grades in art, and happened to be my friend, suggested to draw it for me. So I said yes and she drew for me, I didn't do anything.

I gave that back to the teacher, he did not even gave me 10/20 (that's how grade works here). So I had a bad grade, I don't remember exactly but he said I had not worked enough as habits.

Bastard.

Smoking should be banned. Full stop. When my neighbours smoke I can't even open my window, I have asthma. The smell attaches to the walls. There is also my kitchen where I cook and I can't enjoy my little place outside because it constantly smells cigarette because they smoke regulary.

1. Supervise command (run every 2s)

    
watch "ls -larth"

  

2. Kill program using one port

    
sudo fuser -k 8000/tcp

  

3. Limit memory usage for following commands

    
ulimit -Sv 1000       # 1000 KBs = 1 MB
ulimit -Sv unlimited  # Remove limit

  

4. Rename selected files using a regular expression

    
rename 's/\.bak$/.txt/' *.bak

  

5. Get full path of file

    
readlink -f file.txt

  

6. List contents of tar.gz and extract only one file

    
tar tf file.tgz
tar xf file.tgz static

  

7. List files by size

    
ls -lS

  

8. Nice trace route

    
mtr google.com

  

9. Find files tips

    
find . -size 20c             # By file size (20 bytes)
find . -name "*.gz" -delete  # Delete files
find . -exec echo {} \;      # One file by line
./file1
./file2
./file3
find . -exec echo {} \+      # All in the same line
./file1 ./file2 ./file3

  

10. Print text ad infinitum

    
yes
yes hello

  

11. Who is logged in?

    
w

  

12. Prepend line number

    
ls | nl

  

13. Grep with Perl like syntax (allows chars like \t)

    
grep -P "\t"

  

14. Cat backwards (starting from the end)

    
tac file

  

15. Check permissions of each directory to a file

It is useful to detect permissions errors, for example when configuring a web server.

    
namei -l /path/to/file.txt

  

16. Run command every time a file is modified

    
while inotifywait -e close_write document.tex
do
    make
done

  

17. Copy to clipboard

    
cat file.txt | xclip -selection clipboard

  

18. Spell and grammar check in Latex

    
detex file.tex | diction -bs

  

You may need to install the following: sudo apt-get install diction texlive-extra-utils.

19. Check resources' usage of command

    
/usr/bin/time -v ls

  

20. Randomize lines in file

    
cat file.txt | sort -R
cat file.txt | sort -R | head  # Pick a random sambple

  

Even better (suggested by xearl in Hacker news):

    
shuf file.txt

  

21. Keep program running after leaving SSH session

If the program doesn't need any interaction:

    
nohup ./script.sh &

  

If you need to enter some input manually and then want to leave:

    
./script.sh
<Type any input you want>
<Ctrl-Z>          # send process to sleep
jobs -l           # find out the job id
disown -h jobid   # disown job
bg                # continue running in the background

  

Of course, you can also use screen or tmux for this purpose.

22. Run a command for a limited time

    
timeout 10s ./script.sh

  

Restart every 30 minutes

    
while true; do timeout 30m ./script.sh; done

  

23. Combine lines from two sorted files

    
comm file1 file2

  

Prints these three columns:

        Lines unique to file1.
    Lines unique to file2.
    Lines both in file1 and file2.


  

With options -1, -2, -3, you can remove each of these columns.

24. Split long file in files with same number of lines

    
split -l LINES -d file.txt output_prefix

  

25. Flush swap partition

If a program eats too much memory, the swap can get filled with the rest of the memory and when you go back to normal, everything is slow. Just restart the swap partition to fix it:

    
sudo swapoff -a
sudo swapon -a

  

26. Fix ext4 file system with problems with its superblock

    
sudo fsck.ext4 -f -y /dev/sda1
sudo fsck.ext4 -v /dev/sda1
sudo mke2fs -n /dev/sda1
sudo e2fsck -n <first block number of previous list> /dev/sda1

  

27. Create empty file of given size

    
fallocate -l 1G test.img

  

28. Manipulate PDFs from the command line

To join, shuffle, select, etc. pdftk is a great tool:

    
pdftk *.pdf cat output all.pdf        # Join PDFs together
pdftk A=in.pdf cat A5 output out.pdf  # Extract page from PDF

  

You can also manipulate the content with cpdf:

    
cpdf -draft in.pdf -o out.pdf      # Remove images
cpdf -blacktext in.pdf -o out.pdf  # Convert all text to black color

  

29. Monitor the progress in terms of generated output

Write random data, encode it in base64 and monitor how fast it is being sent to /dev/null

    
cat /dev/urandom | base64 | pv -lbri2 > /dev/null

# pv options:
#   -l,  lines
#   -b,  total counter
#   -r,  show rate
#   -i2, refresh every 2 seconds

  

30. Find packages that have a given file in Ubuntu

    
apt-file update
apt-file search dir/file.h

  

Jessica Alba then Emma Watson and then Megan Fox 💀

But I was more grown up for the later two. My child child crush was Jessica Alba 😂

I started using PyCharm recently. I love being able to open and switch multiple terminals, access database, see code structure, tooltip on deprecated code and how to fix it, I also like jumping to declarations, inserting code snippets.

Could I do all of these too with vim or neovim?

Fried rice with vegetables.

A laptop and an anal plug.

I wondered that too but couldn't find it. If you do, send me! 😊

This Arcane scene : https://www.youtube.com/watch?v=bU15Tk3UZwc

It's like they made 0 effort censoring it correctly 💀

"Non-bina-what? Don't know about it. But let's focus on the real information please. We don't play League of Legends anymore? What do we play with our friends then? ... we left our friends because they were idiots? WHAT? HOW?"

And tbh I never knew about that so thanks for sharing!

I'm afraid of horses because their mouth is in their fucking nose and they have big scaring teeth.

+1 for Mojeek. I use it on a daily basis.

I use League of Legends regions. Except for one of them which is not a region but is called "lantern" after the Thresh's lantern in which souls are trapped.

Hard to get in EU. If anyone knows a way to get one in EU (no Amazon), let me know. The issue is the shipping cost.

Mom beaten by my dad during childhood. Images I could not describe that only Alzheimer could take away.