Difference between revisions of "Linux CLI commands I Cannot Remember..."
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===CLI Commands with some useful syntax=== | ===CLI Commands with some useful syntax=== | ||
| − | * list the fingerprint of key | + | * list the fingerprint of key |
| + | ssh-keygen -lf ~/.ssh/id_rsa.pub | ||
*parse fail2ban logs | *parse fail2ban logs | ||
#<code>cat /var/log/fail2ban.log | grep Ban | awk '{print $6,$7,$1,$2}' | uniq </code><br> | #<code>cat /var/log/fail2ban.log | grep Ban | awk '{print $6,$7,$1,$2}' | uniq </code><br> | ||
#<code>sudo cat fail2ban.log | grep Ban | awk '{print $8}' | sort | uniq -c </code><br> | #<code>sudo cat fail2ban.log | grep Ban | awk '{print $8}' | sort | uniq -c </code><br> | ||
#<code>sudo cat /var/log/fail2ban.log | grep Ban | awk '{print $8,$7}' | sort | uniq -c </code><br> | #<code>sudo cat /var/log/fail2ban.log | grep Ban | awk '{print $8,$7}' | sort | uniq -c </code><br> | ||
| − | * useless waste of time and peta-flops | + | * useless waste of time and peta-flops |
| + | cat /dev/urandom | hd | grep "ca fe" | ||
*Scrape 1FC data from RadioReference | *Scrape 1FC data from RadioReference | ||
| − | ** parse RadioReference.com 1FC data from website and save CCs to list | + | ** parse RadioReference.com 1FC data from website and save CCs to list |
| − | **or the new version | + | wget -O 1fc.html http://www.radioreference.com/apps/db/?sid=7118 && cat 1fc.html | sed 's/[a-zA-Z<>="\/: #-]/ /g' | grep "[7,8][5,6,7][0-9].[0-9][0-9][0-9][0-9][0-9]c" | awk '{ print $6 }' > 1fc.cc |
| + | **or the new version | ||
| + | wget -O 1fc.html http://www.radioreference.com/apps/db/?sid=7118 && cat 1fc.html | grep '[7,8][0-9][0-9].[0-9]\+c' | sed 's/[><]/ /g' | awk '{print $6}' | sort -un > 1fc.cc && wc -l 1fc.cc >> 1fc.cc && cat 1fc.cc | sed 's/1fc.cc/Control Channels/g' > 1fc.txt && cat 1fc.txt | ||
| − | ** parse the 1fc.html data for ALL freqs in use | + | ** parse the 1fc.html data for ALL freqs in use |
| − | * read the "p" text in a news webpage | + | cat 1fc.html | grep "[7,8][0-9][0-9].[0-9][0-9][0-9][0-9][0-9]" | sed 's/[a-zA-Z<>="\/: #-]//g' > 1fc.all<br> |
| − | * working outbound mail CLI | + | * read the "p" text in a news webpage |
| + | cat index.html | grep '<nowiki><p></nowiki>' | sed 's/<[^<>]*>//g' | sed 's/[^>]*>//g' | sed 's/<[^<]*//g' | sed 's/MORE//g' | festival --tts<br> | ||
| + | * working outbound mail CLI | ||
| + | cat /var/log/apache2/error.log | mail -s "Apache Error Logs" mail@domain.tld<br> | ||
* open udp ports for chromecast <code>iptables -I INPUT -p udp -m udp --dport 32768:61000 -j ACCEPT</code><br> | * open udp ports for chromecast <code>iptables -I INPUT -p udp -m udp --dport 32768:61000 -j ACCEPT</code><br> | ||
* working RTL-SDR ADS-B webserver <code>$PATH/dump1090 --raw --net --net-http-port 8008 & mono $PATH/VirtualRadar.exe</code><br> | * working RTL-SDR ADS-B webserver <code>$PATH/dump1090 --raw --net --net-http-port 8008 & mono $PATH/VirtualRadar.exe</code><br> | ||
Revision as of 19:56, 3 January 2021
Random CLI Commands
htop - graphical process monitor
iptraf - graphical IP traffic monitor
meshmap - HSMM mesh map generator
figlet - make ASCII letters
chirpw - radio programming
camgrab - CLI webcam pic grabber
pwgen - password generator
links2 - ncurses web browser
inxi -Fx - System information
weather - cli weather info
telnet rainmaker.wunderground.com
CLI Commands with some useful syntax
- list the fingerprint of key
ssh-keygen -lf ~/.ssh/id_rsa.pub
- parse fail2ban logs
cat /var/log/fail2ban.log | grep Ban | awk '{print $6,$7,$1,$2}' | uniqsudo cat fail2ban.log | grep Ban | awk '{print $8}' | sort | uniq -csudo cat /var/log/fail2ban.log | grep Ban | awk '{print $8,$7}' | sort | uniq -c
- useless waste of time and peta-flops
cat /dev/urandom | hd | grep "ca fe"
- Scrape 1FC data from RadioReference
- parse RadioReference.com 1FC data from website and save CCs to list
wget -O 1fc.html http://www.radioreference.com/apps/db/?sid=7118 && cat 1fc.html | sed 's/[a-zA-Z<>="\/: #-]/ /g' | grep "[7,8][5,6,7][0-9].[0-9][0-9][0-9][0-9][0-9]c" | awk '{ print $6 }' > 1fc.cc
- or the new version
wget -O 1fc.html http://www.radioreference.com/apps/db/?sid=7118 && cat 1fc.html | grep '[7,8][0-9][0-9].[0-9]\+c' | sed 's/[><]/ /g' | awk '{print $6}' | sort -un > 1fc.cc && wc -l 1fc.cc >> 1fc.cc && cat 1fc.cc | sed 's/1fc.cc/Control Channels/g' > 1fc.txt && cat 1fc.txt
- parse the 1fc.html data for ALL freqs in use
cat 1fc.html | grep "[7,8][0-9][0-9].[0-9][0-9][0-9][0-9][0-9]" | sed 's/[a-zA-Z<>="\/: #-]//g' > 1fc.all
- read the "p" text in a news webpage
cat index.html | grep '<p>' | sed 's/<[^<>]*>//g' | sed 's/[^>]*>//g' | sed 's/<[^<]*//g' | sed 's/MORE//g' | festival --tts
- working outbound mail CLI
cat /var/log/apache2/error.log | mail -s "Apache Error Logs" mail@domain.tld
- open udp ports for chromecast
iptables -I INPUT -p udp -m udp --dport 32768:61000 -j ACCEPT - working RTL-SDR ADS-B webserver
$PATH/dump1090 --raw --net --net-http-port 8008 & mono $PATH/VirtualRadar.exe - modify file timestamp
touch -t YYYYMMDDHHMM filename.ext - rename images by their EXIF timestamp
exiv2 -r'%Y%m%d_%H%M%S' -F *.JPGandexiv2 -r'%Y%m%d_%H%M%S_COMMENT_STUFF' -F *.JPG - EAS decoder
multimon-ng -a EAS -t wav $FILE - rtl-fm play audio localy broadcast FM
rtl_fm -g 50 -f 99.9M -M wfm -s 180k -E deemp | play -r 180k -t raw -e s -b 16 -c 1 -V1 - lowpass 16k - lock screen rotation in Ubuntu 18.04 on HP ProBook 6560b
gsettings set org.gnome.settings-daemon.plugins.orientation active false - imagemagick perspective with tiling
convert flag.jpg -virtual-pixel tile -distort Perspective '0,0 30,55 2121,0 917,35 0,1414 55,1111 2121,1414 820,707' flagA.jpg - imagemagick add watermark/overlay with opacity
convert flagA.jpg -resize 1024x1024 miff:- | composite -dissolve 37% -gravity center overlay.png - overlayflag.png - convert .mov to .mp4 with ffmpeg -
ffmpeg -i my-video.mov -vcodec h264 -acodec mp2 my-video.mp4
More than commands...
- Add swap space in Ubuntu 18.04LTS