| Battery fine-tuning: |
sudo tlp-stat -b && sudo tlp recalibrate |
| Htop like battery draining report: |
powertop |
| Open a file with the default app from terminal: |
xdg-open test.html |
| Get audio and video file details: |
mediainfo file.mp3 |
| Pulse audio terminal mixer: |
pulsemixer |
| Convert .bin/.cue to .iso: |
bchunk IMAGE.bin IMAGE.cue IMAGE.iso |
| Network bandwidth monitor: |
sudo apt install bmon |
| Allow user write to mounted partition: |
sudo chown -v [username]:[username] /media/[username]/[disk_name] |
| Put the system in stand by: |
systemctl suspend |
| Count number of lines in a project: |
find . -name '*.java' | xargs wc -l |
| Manjaro GUI package manager: |
pamac-manager |
| Shell script code analyzer: |
shell [filename] |
| Get the next word in a matching pattern: |
awk '{for(i=1;i<=NF;i++)if($i~/patternText/)print $(i+1)}' |
| Search for a package: |
aptitude search mpv |
| Command & Conquer: Tiberian Sun |
sudo snap install cnctsun |
| Create a useless process: |
tail -f /dev/null |
| Change timezone (Debian based only): |
sudo dpkg-reconfigure tzdata |
| Copy symlinks: |
cp -a |
| Remove all Unicode characters from file names: |
for i in *.mp3;do mv "$i" $(echo "$i" | sed -e 's/[^A-Za-z0-9._-]//g');done; |
| Restoring deleted file from NTFS file system (restoring files from a drive): |
sudo ntfsundelete /dev/sdbx -u -m '*' |
| Restoring deleted file from NTFS file system (scan a drive): |
sudo ntfsundelete -s /dev/sdx |
| Check empty directories in the current path: |
for dr in ls; do if [ -z "$(ls -A $dr)" ]; then echo "$dr is empty"; fi; done |
| Sort naturally and one item per line: |
ls -1av |
| Find lines are not available in file2.txt: |
grep -f file2.txt -vFx file1.txt |
| Format HTML code: |
tidy -im index.html |
| Bash go to the begining of a line: |
Ctrl + a |
| Bash go to the end of a line: |
Ctrl + e |
| Bash skip one word backward: |
Ctrl + left arrow key Or Alt + b |
| Bash skip one word forward: |
Ctrl + right arrow key Or Alt + f |
| Bash delete to the begining of a line: |
Ctrl + u |
| Bash delete to the end of a line: |
Ctrl + k |
| Bash delete to the end of a word: |
Alt + d |
| Bash reverse search: |
Ctrl + r |
| Mount flash drive: |
sudo fdisk -l && udisksctl mount --block-device /dev/sd[b][1] |
| Connect to WiFi: |
sudo nmtui |
| Convert tree command output to ASCII characters: |
tree | sed 's/├/\+/g; s/─/-/g; s/└/\\/g' |
| Epub reader: |
sudo apt install fbreader |
| Append two pictures horizontally: |
convert +append 1.jpg 2.jpg out.jpg |
| Append two pictures vertically: |
convert -append 1.jpg 2.jpg out.jpg |
| Cutting part of a pdf file: |
pdftk input_file.pdf cat 10-20 output output_file.pdf |
| Install Latex package: |
tlmgr install packageName |
| Convert Latex file to Pdf: |
pdflatex file.tex |
| Update locate database index: |
updatedb |
| Search a file from index of files (fast search): |
locate |
| Pop the path from stack (change directory) to stack path: |
popd |
| Push the path to stack: |
pushd $PWD |
| Processor info: |
cat /proc/cpuinfo |
| Found distro: |
more /etc/*release |
| Output command output to clipboard (Ctrl + v): |
ls > xclip -selection clipboard |
| Output command output to clipboard (middle click): |
ls > xclip |
| Cancel the planned shutdown: |
shutdown -c |
| Shutdown in 15 minutes: |
shutdown -h 15 |
| Show add drives with UUID an filesystem: |
blkid |
| Force scan disk in the next reboot: |
touch /forcefsck |
| Show hidden file in Nautilus: |
Ctrl + H |
| Reload .bashrc fine: |
. ~/.bashrc |
| Which process at the moment using I/O: |
iotop --only |
| List of process using I/O: |
iotop |
| Which process using the Internet: |
nethogs |
| Merge Pdf files: |
pdfunite in.pdf in_1.pdf out.pdf |
| Access to SAMBA folders: |
/run/user/1000/gvfs |
| Play subdirectories files in Mplayer: |
mplayer -playlist <(find "$PWD" -type f) |
| Convert Decimal to Hex & Octal: |
printf "Octal: %o\n Hex: %x" 42 42 |
| Convert Hex to Decimal: |
echo $((0xFF)) |
| Install JavaFx OpenJdk: |
sudo apt-get install openjfx |
| Install pip3: |
sudo apt-get install python3-pip |
| Install pip: |
sudo apt-get install python-pip |
| Convert .md file to html: |
pandoc README.md > README.html |
| Open formatted .md file: |
pandoc README.md | lynx -stdin |
| Mv make directory: |
mkdir -P ~/temp; mv File $_ |
| Search in apt repositories: |
sudo apt-cache search [Keyword] |
| Wget download limit, continue, verbose: |
wget -vc --show-progress --limit-rate=200K [link] |
| Creat .tar.xz file: |
tar -cvJf [Dot.xz] [Files/Directories] |
| Extract .tar.xz file: |
tar -xvJf [Dot.xz] |
| Create .xz file: |
xz -z [A file] |
| Extract .xz file: |
xz -d [Dot.xz] |
| Vim selection shortcut: |
v [normal selection], Shift + v [whole line] |
| Vim cut shortcut: |
d or Shift + d |
| Vim paste shortcut: |
p [next to cursor], Shift + p [same place cursor] |
| Vim copy shortcut: |
y or Shift + y |
| Identifying which port MySQL is running: |
sudo netstat -tlpn | grep mysql |
| Automatically indent C/C++ code: |
indent MyCode.c |
| Changing/removing passphrase from SSH private key: |
ssh-keygen -f id_dsa -p |
| Run command upon SSH: |
ssh test@testserver 'ls && rm -rvf tmp' |
| SSH in reverse tunneling: |
ssh -fN -R 7000:localhost:22 username@yourMachine-ipaddress |
| SSH in tunneling: |
ssh -fN -L 7000:localhost:22 username@yourMachine-ipaddress |
| SSH in background : |
ssh -f test@testserver |
| Grep search string starting with - : |
grep -- "-test" |
| List sub directories only : |
ls -d */ |
| List directory sort by file size : |
ls -S |
| List directory with its sub directory contents : |
ls -R |
| Run GUI app on a remote PC using SSH : |
export DISPLAY=:0 |
| Scan computers open ports in a network : |
nmap XXX.YYY.ZZZ.* |
| Getting a Heroku app live log : |
heroku logs -t --app APP_NAME |
| Counting number of occurence of ‘;’ char in each line of a file : |
while read line; do echo "$line" | tr -cd ";" | wc -c; done < 'FILE' |
| Removing space from a file : |
cat FILE | sed 's/ //g' |
| Randomly shuffling files in bash : |
cat FILE1 FILE2 | shuf |
| Updating Ubuntu packages in terminal : |
sudo apt-get upgrade |
| Removing old kernels in Ubuntu : |
sudo apt-get autoremove |
| Add word prediction to Vim permanently : |
echo set complete+=kspell >> ~/.vimrc |
| Add permanent spell checking for Vi for .txt files : |
echo autocmd BufRead,BufNewFile *.txt setlocal spell >> ~/.vimrc |
| Add line number permanently to Vi : |
echo set number >> ~/.vimrc |
| Find wireless card chipset information : |
lspci | grep -i wireless |
| Making soft link without giving full path : |
ln -s [$(pwd)/fileName] [des path] |
| Making soft link : |
ln -s [src path] [des path] |
| Finding a location of man page : |
man -wa foo |
| Activating Vim spell checker : |
set spell spellang=en_us |
| Mounting Virtualbox share folder : |
mount -t vboxsf [Share folder name] [Mount point] |
| Search for package in Apt : |
apt-cache search [Keyword] |
| Accessing ssh with key : |
ssh -i [Public key] user@domain |
| Accessing new sftp with key : |
sftp -i [Public key] user@domain |
| Accessing old sftp with key : |
sftp -o IdentityFile=[Public Key] user@domain |
| Comparing text files : |
vimdiff [File1] [File2] |
| Sync files (copy) : |
rsync -avh --progress [source] [destination] |
| Move progress bar : |
rsync -avh --progress --remove-source-files [source] [destination] |
| Compare pdf files : |
diffpdf |
| Forward Gnome via SSH : |
ssh -X -C [email protected] and gnome-session |
| Set password for teamviewer from Terminal : |
sudo teamviewer --passwd mypassword |
| Get your public IP : |
curl ifconfig.me |
| Console matrix screen saver : |
cmatrix |
| Printing something constantly : |
yes say hello |
| Reverse word : |
rev |
| Extract the sentence after particular word and replace with comma, sort and remove duplicate values : |
less Mylog.txt | grep -o 'world.*' | cut -f2- -d':' | tr -s ',' '\n' | sort | uniq |
| Replace comma with new line : |
less Mylog.txt | tr -s ',' '\n' |
| Extract the sentence after particular word in a file : |
less Mylog.txt | grep -o "word.*" | cut -f2- -d':' |
| Knowing who is logged in : |
sudo w |
| Getting the last system reboot : |
sudo last reboot |
| Getting the ip of the hostname : |
sudo hostname -i |
| Getting the system hostname : |
sudo hostname |
| Getting the system uptime : |
sudo uptime |
| Giving ownership of a file to a user : |
sudo chown Username FileName |
| Adding user to a group : |
sudo useradd -G G-Name Username |
| Removing vocal from song : |
sox 1.mp3 1_no_vocal.mp3 oops |
| Gray Scaling picture : |
convert IMAGE.png -colorspace Gray IMAGE1.png |
| Resizing picture : |
convert IMAGE.png -resize 200x100 IMAGE1.png |
| Sorting & getting unique values of 31th column of a CSV file : |
awk -F ',' '{print $31}' FILE.csv | sort | uniq |
| Sorting 31th column of a CSV file : |
awk -F ',' '{print $31}' FILE.csv | sort |
| Filtering 3rd and 31th columns of a CSV file based on a string : |
awk -F ',' '{print $6, $31}' FILE.csv | grep 'STRING' |
| Getting 3rd and 31th columns from a CSV file : |
awk -F ',' '{print $6, $31}' FILE.csv |
| Getting number of columns of a CSV file : |
head -1 FILE.csv | sed 's/[^,]//g' | wc -c |
| Discover hosts and services on a computer network : |
nmap 192.168.0.1 |
| Getting number of files in a folder : |
ls -l | wc -l |
| Checking niceness of a comand : |
nice |
| An interactive process manager : |
htop |
| Create a directory on specific path : |
mkdir -p /home/kasra/test |
| Getting directory size : |
du -sh |
| Command line calander : |
cal |
| Showing last K line of file : |
tail 1.txt -n K |
| Showing first K line of file : |
head 1.txt -n K |
| Monitor file updates/change : |
tail -f 1.txt |
| Looking for a file : |
find / -name foo |
| Sort lines of text files : |
sort 1.txt |
| Sort lines of text files : |
sort 1.txt |
| Execute command after exit Shell : |
nohup command-name & |
| Counting number of line in a file : |
wc -l FileName |
| Counting number of word in a file : |
wc -w FileName |
| Counting number of character in a file : |
wc -m FileName |
| Initializing the console again : |
reset |
| Getting full path of a file : |
realpath 1.txt |
| Create arguments for commands : |
xrags |
| Update access and modification date of files without opening : |
touch 1.txt |
| Sticky note : |
sudo apt-get install xpad |
| CLI note : |
sudo apt-get install note |
| Change default editor for Crontab : |
sudo select-editor |
| Crontab log file : |
grep CRON /var/log/syslog |
| Writing in a multiple files at same time : |
ls | tee f1.txt f2.txt |
| Play noise with output of a command : |
ls | aplay |
| Print the route packets trace to network host : |
traceroute google.com |
| Display manual page descriptions : |
whatis ls |
| Historical events calendar : |
calendar |
| Getting content of a file sorted : |
sort f1.txtr |
| Running sudo command without entering password : |
echo "rootPassword" | sudo -S mkdir /root/test123 |
| Executing multiple commands with sudo : |
sudo -- sh -c 'rm -rvf /root/test123; whoami; mkdir /root/tpx' |
| Shutdown pc : |
shutdown -h now |
| Getting kernel version : |
uname -r |
| Getting distro & release version : |
lsb_release -a |
| Getting a website ip address : |
nslookup www.google.com |
| Getting a domain information : |
whois www.google.com |
| Ping a server with a port (TCP) : |
nc -vz 192.168.0.1 8080 |
| Ping a server witha port (UDP) : |
nc -vz -u 192.168.0.1 8080 |