May 2023 - ILUG-D - lists.fsci.in

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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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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ILUG-D May 2023