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Mount SMB v1 share on Linux
This is sample output - yours may be different.
0

mount -t cifs -o username=administrator,password=xxx,vers=1.0,sec=ntlmv2 //192.168.0.30/nas_share /mnt/win_share

swarzynski · 2025-03-20 08:16:19 114
Download and Extract mp3 from Youtube Video

This will download a video when given the link and it will extract the audio from the video. The filename will be the same as the video's title. File extension in mp3.
This is sample output - yours may be different.
4

yt-dlp --extract-audio --audio-format mp3 --audio-quality 0 -o "%(title)s.%(ext)s" <youtube_link_here>

keyboardsage · 2024-11-22 19:54:54 90
Get a random quote from Breaking Bad

Hit an API with curl returning a random quote, then parse the result with jq. Show Sample Output
This is sample output - yours may be different.
```
"A guy that clean has to be dirty." -- Hank Schrader
```
5

curl -s https://api.breakingbadquotes.xyz/v1/quotes | jq -r '.[] | "\"\(.quote)\" -- \(.author)"'

malathion · 2024-09-09 14:58:37 62
Matrix - Just 1 wobbly line rather then a rain! (shorter)

No sample. Try it and see the magic!
This is sample output - yours may be different.
2

while true; do printf "\e[32m%*s\e[0m" $(tput cols) $(shuf -e {0..1} -n $(tput cols)); sleep 0.1; done

wuseman1 · 2024-09-02 00:44:33 53
Matrix - Just 1 wobbly line rather then a rain!

Remove clear; sleep 5 and echo for not doing sample!
This is sample output - yours may be different.
0

clear; sleep 5; echo 'while :; do printf "\e[32m%*s\e[0m" $(tput cols) $(shuf -e {0..1} -n $(($(tput lines) * $(tput cols)))); sleep 0.1; done'

wuseman1 · 2024-09-02 00:40:34 57
This command will help you to hunt the current mysql query statement in real time. (-R is deprecated, using updated -Y)
This is sample output - yours may be different.
0

tshark -s 512 -i eno1 -n -f'tcp dst port 3306' -Y'<mysql.query>' -T fields -e <mysql.query>

wuseman1 · 2024-08-26 19:29:05 80
Read /etc/passwd with printf in a smarter and shorter way then some deliberately obfuscated shell commands from unethicals.
This is sample output - yours may be different.
0

eval "$(E3LFbgu='CAT /ETC/PASSWD';printf %s "${E3LFbgu~~}")"

wuseman1 · 2024-08-26 19:20:48 46
Portscan entire internet (ipv4)
This is sample output - yours may be different.
0

(masscan 0.0.0.0/0 -p80 --banner --exclude 255.255.255.255 --max-rate 100000|tee internet_ips_to_block_ranges.txt 2>&1 /dev/null); 1&> /dev/null

wuseman1 · 2024-08-26 19:14:02 35
In emergency situations, in order not to panic, shut down the following port on the network with the following rather then shutting down the PC.
This is sample output - yours may be different.
2

fuser -k 445/tcp

wuseman1 · 2024-08-26 19:11:03 30
Generate a correct mac addr.

1) The last sed expression ensures the unicast/multicast bit is set to zero 2) The greedy space replacements are for portability across UNIX seds Show Sample Output
This is sample output - yours may be different.
```
a0:94:47:e1:f7:59
```
1

od -An -N6 -tx1 /dev/urandom |sed -e 's/^ *//' -e 's/ */:/g' -e 's/:$//' -e 's/^$.$[13579bdf]/\10/'

wuseman1 · 2024-08-26 19:10:02 43
Launch hidden commands.
This is sample output - yours may be different.
0

/bin/bash -c "exec ls"

wuseman1 · 2024-08-26 19:08:24 147
Do we use: 'Wayland' OR 'x11' (systemd version)
This is sample output - yours may be different.
0

loginctl show-session $XDG_SESSION_ID -p Type

wuseman1 · 2024-08-26 19:07:02 27
Do we use: 'Wayland' OR 'x11'
This is sample output - yours may be different.
0

printf 'Session is: %s\n' "${DISPLAY:+X11}${WAYLAND_DISPLAY:+WAYLAND}"

wuseman1 · 2024-08-26 19:06:32 28
View emerge log by date in humand friendly time
This is sample output - yours may be different.
1

awk -F: '{print strftime("%Y-%m-%d -> %X --> ", $1),$2}' /var/log/emerge.log

wuseman1 · 2024-08-26 19:03:05 23
Find the right intel-ucode firmware for Intel GPU
This is sample output - yours may be different.
1

iucode_tool -S -l /lib/firmware/intel-ucode/*

wuseman1 · 2024-08-26 19:01:55 21
Disable Show More Options on Windows 11

Enable it again: reg delete "HKEY_CURRENT_USER\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}" /f Show Sample Output
This is sample output - yours may be different.
```
Successfully completed.
```
0

reg add "HKCU\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32" /f /ve

wuseman1 · 2024-08-26 18:56:51 21
Generate a QR code in the terminal
This is sample output - yours may be different.
1

printf 'https://www.gentoo.org/' | curl -F-=\<- qrenco.de

wuseman1 · 2024-08-26 18:41:24 13
Shuffle a reversed string without new lines (Simple way to create a progress bar)
This is sample output - yours may be different.
0

while true; do slumpad_eversed=$(echo "$eversed_part" | grep -o . | shuf | tr -d '\n'); tput cr && tput el && echo -n "$r_part$slumpad_eversed" ; sleep 1 ; done

wuseman1 · 2024-08-26 18:37:43 33
Shuffle two letters randomly

Use variable: letters=("a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "r" "s" "t" "u" "v" "w" "x" "y" "z")
This is sample output - yours may be different.
0

while true; do shuffled_letter1=$(printf "%s\n" "${letters[@]}" | shuf -n 1); shuffled_letter2=$(printf "%s\n" "${letters[@]}" | shuf -n 1); printf "%s%s\r" "$shuffled_letter1" "$shuffled_letter2"; sleep 0.1; done

wuseman1 · 2024-08-26 18:36:29 50
Record a certain command output
This is sample output - yours may be different.
1

script -c "ls -la" logfile.log

wuseman1 · 2024-08-26 18:34:05 50
Test a crontab work on 5th line.

Avoid eval by creating an variable by adding this to a variable and then call it by $cmd
This is sample output - yours may be different.
0

eval "$(crontab -l | sed -n '5p' | tr -s ' ' | cut -d' ' -f 6-)"

wuseman1 · 2024-08-26 18:32:02 32
Dump all available man pages in a particular section

_Exit __clone2 _exit _llseek _newselect _syscall _sysctl accept accept4 access acct add_key ...
This is sample output - yours may be different.
1

find $(man --path | tr ':' ' ') -type f -path '*man2*' -exec basename {} \; | sed 's/\..*//' | sort

wuseman1 · 2024-08-26 18:29:40 93
Input redirection. The < character tells the shell to read the contents of the file specified. ANSI-C Quoting
This is sample output - yours may be different.
0

X=$'uname\x20-a'&&$X

wuseman1 · 2024-08-26 18:25:16 27
List /usr dirs when "ascii" chars is not available and only digits.
This is sample output - yours may be different.
-1

ls ${PATH:0:5}

wuseman1 · 2024-08-26 18:19:47 179
In an emergency to secure all user accounts, use the following command to lock out all users rather than shutting down the computer to help security engineers
This is sample output - yours may be different.
-1

passwd -l $(awk -F: '{ print $1 }' /etc/passwd | grep -v "nologin")

wuseman1 · 2024-08-26 18:17:40 27
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Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Swap the two last arguments of the current command line

Say you just typed a long command like this: $ rsync -navupogz --delete /long/path/to/dir_a /very/long/path/to/dir_b but you really want to sync dir_b to dir_a. Instead of rewriting all the command line, just type followed by , and your command line will read $ rsync -navupogz --delete /very/long/path/to/dir_b /long/path/to/dir_a

Destroy all ZFS snapshots

Rename files in batch

list block devices

Shows all block devices in a tree with descruptions of what they are.

Open Sublime-text in current directory

Print just line 4 from a textfile

Prints the 4th line and then quits. (Credit goes to flatcap in comments: http://www.commandlinefu.com/commands/view/6031/print-just-line-4-from-a-textfile#comment.)

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