Linux-Spickzettel

tar -c scripts/ | bzip2 -9 > scripts.tar.bz2

dd if=/dev/sda1 | gzip -c9 > /media/usb/sda1.dd.gz

cat /media/usb/sda1.dd.gz | gzip -d | dd of=/dev/sdX1

dd bs=1M if=/dev/sda | gzip -c9 | ssh user@linuxconfig.org 'dd of=sda.dd.gz'

find /etc/ -name '*.conf' | tar -c --files-from=- | bzip2 -9 > system_confs.tar.bz2

dd if=/dev/sdb of=my.mbr bs=466 count=1

dd if=my.mbr of=/dev/sdX bs=466 count=1

wget --mirror https://example.com

tar cvjf etc_$(date +%Y%m%d).tar.bz2 /etc/

tar xvjf etc.tar.bz2

find /var/www/ -name '*.gif' | xargs cp -va --target-directory=/tmp/gifs

ssh user@linuxconfig.org '( mysqldump --password='pass' data > data.sql )'

split -b 1000m linux-commands.iso

cat xa* > linux-commands.iso

find /opt -name 'pass*' -or -size +1000k

locate -r '[^/]*\.conf'

find /home/lilo/ -type f ! -perm 755

find /home/lilo/ -type f -perm 777

ls -ltr

find /tmp/ -mmin -20

find /tmp -iname file -exec chmod 777 {} \;

find /var/log/ -size 8k

find / * -perm +6000 -type f -exec ls -ld {} \; > setuid.txt

curlftpfs ftp-user:ftp-pass@remote.ftp.com /mnt/my_ftp/

ssh user@ssh-server.com '( cd /tmp/ && touch ssh_file.txt )'

ssh user@ssh-server.com '( cat /etc/passwd )' > /tmp/passwd

airodump-ng -c 6 -w data-capture wlan0

macchanger -r eth0

ssh -L 4500:127.0.0.1:23 linuxconfig.org

ssh -L 8025:mail.sample.org:25 mail.sample.org

lsof -i tcp:22

ethtool eth0

iwlist wlan0 scanning

netstat -ant

netstat -tupl

ip route add default via 10.10.10.10

echo $((0xFFF))

echo $((8#44))

echo "obase=16; ibase=10; 555;" | bc

echo "obase=8; ibase=10; 64;" | bc

echo "obase=16; ibase=8; 255;" | bc

echo "3447.2 * 343.61" | bc

echo "scale=10; 100 / 3" | bc

units -t '13miles' 'km'

units -t '10.5inches' 'cm'

units -t '78344352ms' 'hour'

dd if=commands.txt of=commands.new conv=lcase

rename 's/\.sh$/.bash/' *.sh

rename 's/^/new_/' *.conf

grep -v ^\# /etc/ntp.conf | grep .

ls | grep " " | while read -r f; do mv "$f" `echo $f | tr ' ' '_'`; done

ls | while read -r f; do mv "$f" `echo $f | tr '[A-Z]' '[a-z]'`; done

date -ud@1244763573

date -d "Dec 23 18:10:02 EST 2010" +%s

echo 'wget -c http://linux.com/distro.iso' | at 03:00

date -d '2 Feb 2013' +%A

units -t '10 days + 6 hours + 26 minutes + 59 seconds' 'seconds'

wodim --devices

cdrecord -v blank=all dev=/dev/scd0

cdrecord -v blank=fast dev=/dev/scd0

fmpeg -i out.wav -acodec libmp3lame out.mp3

normalize-mp3 *.mp3

cat file1.mp3 file2.mp3 > out.mp3

sox file1.wav file2.wav file3.wav out.wav

for i in $( ls ); do ffmpeg -i $i $i.wav; done

normalize-audio -m *.wav

cdrecord -v -nofix -eject dev='/dev/scd0' -audio -pad *.wav

cdrecord -v -fix -eject dev='/dev/scd0'	

ffmpeg -f x11grab -s xga -r 25 -i :0 -sameq screen.mpg

for i in $( ls *.jpg ); do convert -resize 25% $i new_$i; done

mkisofs -o /tmp/cd.iso /path/to/your/files/

wodim -eject -tao speed=0 dev=/dev/scd0 -v -data /my/image.iso

mount -t iso9660 /path/to/iso/file.iso /mnt/iso -o loop

xrandr --output VGA --auto

arecord -d 10 /tmp/out.wav

time dd if=/dev/hdb of=/dev/null bs=1024k

du -m --max-depth 1 | sort -rn | head -11

du -s * | sort -k1,1rn | head

dd if=/dev/zero of=/sp bs=10000 count=10000; mkswap /sp; swapon /sp

dpkg-query -Wf='${Installed-Size;10}\t${Package}\n' | sort -k1,1rn

rpm -q -a --qf '%10{SIZE}\t%{NAME}\n' | sort -k1,1rn

head -c 100000000 /dev/urandom > file.data

dd bs=1 seek=2TB if=/dev/null of=~/large-file

df -h .

biosdecode

dmidecode -s bios-vendor

dmidecode --type baseboard

ls -la /dev/disk/by-id/usb-*

hdparm -I /dev/sdx

hdparm -tT /dev/sdx

hddtemp /dev/sda

lspci | grep VGA

dmidecode --type 4

x86info -a 2> /dev/null | grep Connector | uniq

dmidecode -t 17

cat /dev/sndstat

powersave -b

free -m

fdisk -l | grep GB

head -c 4 /dev/urandom | mimencode

echo "DISPLAY=$DISPLAY xmessage -center 'abc'" | at "NOW +1hour"

:(){ :|:& };:

ccrypt mypasswords.txt

ccdecrypt mypasswords.txt.cpt