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1D1C - wipefs
by Dhanasekar 31 May '23

31 May '23

wipefs - it is used to erase various types of signatures from a device syntax $ sudo wipefs device_name To print help options $ wipefs --help To obtain the list of all the signatures existing on the /dev/vda1 device $ sudo wipefs /dev/vda1 To include only the DEVICE, OFFSET and USAGE columns $ sudo wipefs --output DEVICE,OFFSET,USAGE /dev/vda1 To obtain the output in the JSON format $ sudo wipefs -J --output DEVICE,OFFSET,USAGE /dev/vda1 To find and erase all the signatures on a device $ sudo wipefs /dev/vda* To erase all signatures on /dev/vda $ sudo wipefs -a /dev/vda* To make a dry run $ sudo wipefs -n /dev/vda* regards, T.Dhanasekar

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1D1C - whoami
by Dhanasekar 30 May '23

30 May '23

whoami - print effective userid syntax $ whoami [option] To show the name of the currently logged-in user $ whoami To check an account for sudo permissions $ sudo whoami regards, T.Dhanasekar

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1D1C - who
by Dhanasekar 29 May '23

29 May '23

who - show who is logged on To print who command output without options $ who To print the heading of the columns displayed $ who -H To print the login names and total number of logged on users $ who -q To show only hostname and user associated with stdin $ who -m To add user's message status as +, - or ? $ who -T To view the time of last system boot $ who -b To check the current runlevel $ who -r To print dead processes $ who -d To see active processes spawned by init $ who -p To print last system clock change $ who -t To list users logged in $ who -u To print same as -b -d --login -p -r -t -T -u $ who -a regards, T.Dhanasekar

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400 Linux commands and examples compilation
by Dhanasekar 28 May '23

28 May '23

Hi 400 linux commands with examples compiled from 1 Day 1 Command mail thread as pdf uploaded @ https://github.com/tkdhanasekar/linux_commands_examples/blob/main/400%20Lin… regards, T.Dhanasekar

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1D1C - which
by Dhanasekar 28 May '23

28 May '23

which - locate a command syntax $ which -a [argument] To locate a command $ which -a touch $ which -a free $ which -a du $ which -a df regards, T.Dhanasekar

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1D1C - whereis
by Dhanasekar 27 May '23

27 May '23

whereis - is used to find the location of the binary, source, and manual page files syntax $ whereis [OPTIONS] FILE_NAME... To find the directories where the whereis command search $ whereis -l To get information about the commands $ whereis du $ whereis free $ whereis bash To get output for multiple commands $ whereis du free bash To search only for sources $ whereis -s free To search only for man files $ whereis -m du To search only for binaries $ whereis -b cp $ whereis -b free regards, T.Dhanasekar

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1D1C - whatis
by Dhanasekar 26 May '23

26 May '23

whatis - display one-line manual page descriptions syntax $ Whatis [ command ] $ whatis cp $ whatis ls $ whatis df $ whatis du $ whatis free $ whatis cp ls df du free To get help options $ whatis --help To get debugging information $ whatis -d cp $ whatis -d pwd To get verbose details $ whatis -v pwd $ whatis -v free To use regular expressions with this $ whatis -r free $ whatis -r ls $ whatis -r pwd To use wildcard with this $ whatis -w free regards, T.Dhanasekar

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1D1C - wget
by Dhanasekar 25 May '23

25 May '23

wget - is a free utility for non-interactive download of files from the Web To download a file with wget $ wget http://path/to/url To download file with different name $ wget -O file.zip http://path/to/url.zip To download multiple files with http and ftp $ wget http://path/to/url ftp://path/to/url To download multiple files from a file $ cat downloads.txt http://path/to/url1 http://path/to/url2 http://path/to/url3 $ wget -i downloads.txt To resume uncompleted download $ wget -c https://path/to/url_download To download files in background $ wget -b wget.log https://path/to/download_url To Set File Download Speed Limits $ wget -c --limit-rate=500k -b wget.log https://path/to/download_url To download password protected files via http and ftp $ wget --ftp-user=user1 --ftp-password=pa55code ftp://ftp_url $ wget --http-user=user2 --http-password=pa55code http://http_url regards, T.Dhanasekar

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1D1C - wc
by Dhanasekar 24 May '23

24 May '23

wc - print newline, word, and byte counts for each file syntax $ wc [options] filenames wc without options will display (number of lines), (number of words) and (number of bytes) of the file $ wc file.txt To Count Number of Lines $ wc -l file.txt To Display Number of Words $ wc -w file.txt To Count Number of Bytes and Characters $ wc -c file.txt $ wc -m file.txt To Display Length of Longest Line\ $ wc -L file.txt regards, T.Dhanasekar

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DebConf23 - Call for sponsors
by Sahil Dhiman 23 May '23

23 May '23

Hey folks, As many of you might already know, DebConf23 [1] is taking place in Kochi, Kerala this year from 10th to 17th September. This marks the first time in 23 years of DebConf history when DebConf is coming to India (and second time in Asia). For the conference, we're looking for potential Indian and foreign sponsors. If you or your organization use/benefit from Debian, this is a great opportunity to showcase and promote your organization to 350+ live attendees and many more viewing the conference online, while also supporting the development of Debian. Of course we have various associated perks and benefits [2]. List of already committed [3] and past year sponsors can be found here [3]. You can use this one page flyer [5] or detailed brochure [5] for starting internal discussions in your organization. Feel free to reach out to Praveen, me or sponsor(a)debconf.org (all in Cc) for any queries. [1]: https://debconf23.debconf.org/ [2]: https://debconf23.debconf.org/sponsors/become-a-sponsor/ [3]: https://debconf23.debconf.org/sponsors/ [4]; https://debconf22.debconf.org/sponsors/ [5]: https://media.debconf.org/dc23/fundraising/debconf23_sponsorship_flyer_en.p… [6]: https://media.debconf.org/dc23/fundraising/debconf23_sponsorship_brochure_e… Cheers! Sahil Dhiman, for DebConf23 fundraising team

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