- ILUG-D - lists.fsci.in

1D1C - ypdomainname
by Dhanasekar 08 Jun '23

08 Jun '23

ypdomainname - show or set the system's NIS/YP domain name To print alias names $ ypdomainname -a To display all long host names (FQDNs) $ ypdomainname -A To display ypdomainname $ ypdomainname -yp To print all addresses for the host $ ypdomainname -I To print short host name $ ypdomainname -s To print addresses for the host name $ ypdomainname -i To print help options $ ypdomainname -h regards, T.Dhanasekar

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1D1C - youtube-dl
by Dhanasekar 07 Jun '23

07 Jun '23

youtube-dl - download videos from youtube.com or other video platforms To download youtube videos $ youtube-dl https://url_to_download To update Youtube-dl $ sudo youtube-dl -U To download video or playlist with a custom name $ sudo youtube-dl -U 'my custom name videos' https://www.youtube.com/url $ youtube-dl -o '~/Downloads/my custom name videos' https://www.youtube.com/url $ youtube-dl -o '%(title)s by %(uploader)s on %(upload_date)s in %(playlist)s.%(ext)s' https://www.youtube.com/url To download multiple videos $ youtube-dl <url1> <url2> <url3> To download from a file $ cat url.txt <url1> <url2> <url3> <url4> $ youtube-dl -a url.txt To download audio-only from a video $ youtube-dl -x https://www.youtube.com/url To download mp3 formats $ youtube-dl -x --audio-format mp3 https://www.youtube.com/url To download video with description, metadata, annotations, subtitles and thumbnail $ youtube-dl --write-description --write-info-json --write-annotations --write-sub --write-thumbnail https://www.youtube.com/url To List all available formats of video or playlist $ youtube-dl --list-formats https://www.youtube.com/url $ youtube-dl -F https://www.youtube.com/url To display the size of YouTube videos $ youtube-dl -F https://www.youtube.com/url To Download videos in your preferred format, say for example MP4 $ youtube-dl -f mp4 https://www.youtube.com/url To Set size limit for videos $ youtube-dl --min-filesize 200M <youtube_url> $ youtube-dl --max-filesize 1000M <youtube_url> To Set download speed limit $ youtube-dl -r 100K <url> To resume downloads $ youtube-dl -c <url> To display help options $ youtube-dl --help regards, T.Dhanasekar

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1D1C - yes
by Dhanasekar 06 Jun '23

06 Jun '23

yes - output a string repeatedly until killed Yes command without any options $ yes To repeatedly generate any message $ yes This is linux To install packages without having to press “y” using pipe $ yes | apt install <package_name> $ yes | yes | yum install <package_name> To make yes command outputs "yes" in a constant stream to the rm -i command $ yes | rm -i *.txt To make yes command outputs "n" in a constant stream to the rm -i command $ yes n | rm -i *.txt regards, T.Dhanasekar

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1D1C - xz
by Dhanasekar 05 Jun '23

05 Jun '23

xz - is a new general-purpose, command line data compression utility, similar to gzip and bzip2 To compress a file with xz $ xz -z file.iso To decompress a file $ xz -d file.iso.xz $ unxz file.iso.xz To prevent deleting of the input file $ xz -k file.iso To force overwrite of output file and (de)compress links $ xz -kf file.iso To make fast compression $ xz --fast file.iso To make best compression( highest compression) $ xz --best file.iso To set a memory usage limit for compression $ xz -k --best --memlimit-compress=15% file.iso To run in quiet mode $ xz -k -qv file.iso To test compressed file integrity $ xz -t file.iso.xz To list information about .xz files $ xz -l file.iso.xz regards, T.Dhanasekar

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1D1C - xkill
by Dhanasekar 04 Jun '23

04 Jun '23

xkill - kill a client by its X resource To kill the open window $ xkill To exit from the xkill command ^C To get list of open windows $ xlsclients regards, T.Dhanasekar

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1D1C - xclock
by Dhanasekar 03 Jun '23

03 Jun '23

xclock - analog / digital clock for X To display analog clock $ xclock To display digital clock $ xclock -digital To display brief $ xclock -digital -brief To make fg and bg background $ xclock -digital -bg blue -fg orange -update 1 & $ xclock -bg navy -fg orange -update 1 & regards, T.Dhanasekar

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1D1C - xargs
by Dhanasekar 02 Jun '23

02 Jun '23

xargs - build and execute command lines from standard input To combine xargs with find $ find [location] -name "[search-term]" -type f | xargs [command] $ find /home -name *.txt -type f | xargs rm -f To combine xargs with grep $ find . -name '[search-term]' | xargs grep '[string-to-find-in-files]' $ find / -name *.txt | xargs grep 'sample' To read Items From File $ xargs -a [filename] $ xargs -a example.txt To see the commands executed by xargs in standard output $ [command-providing-input] | xargs -t [command] $ echo "folder1 folder2 folder3" | xargs -t mkdir To List All Linux User Accounts on the System $ echo "file.txt" | xargs -p rm To List Number of Lines/Words/Characters in Each File $ ls | xargs wc regards, T.Dhanasekar

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1D1C - write
by Dhanasekar 01 Jun '23

01 Jun '23

write - it creates a communication line between two logged-in users through the terminal syntax $ write <user> <tty name> To write a message to user2 from user1 $ write user2 this is test message ^D To pipe a message to write $ echo "Hello from user1" | write user2 To write a message from file $ cat msg.txt this is test msg $ write user2 < msg.txt To write to specified tty $ write user2 pts/0 regards, T.Dhanasekar

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KCD Chennai Online Workshops 2023 [Commercial]
by Dhanasekar 31 May '23

31 May '23

KCD Chennai Online Workshops 2023 https://www.townscript.com/e/kcdchennai-workshops Tickets: https://www.townscript.com/v2/e/kcdchennai-workshops/booking/tickets regards, T.Dhanasekar

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KCD Chennai Live Bootcamps 2023 on DevOps and Kubernetes [Commercial]
by Dhanasekar 31 May '23

31 May '23

KCD Chennai Live Bootcamps 2023 on DevOps and Kubernetes https://www.townscript.com/e/kcdchennai-bootcamps Tickets: https://www.townscript.com/v2/e/kcdchennai-bootcamps/booking/tickets Curriculum: https://github.com/kcdchennai/kcdchennai/blob/main/2023/Bootcamps.md regards, T.Dhanasekar

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