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

1D1C - resolvectl
by Dhanasekar 20 Jun '23

20 Jun '23

resolvctl - it is used to manage and troubleshoot the Domain Name System To view DNS settings # resolvectl status To resolve the IPv4 and IPv6 addresses for one or more domains # resolvectl query domain1 domain2 To retrieve the domain of a specified IP # resolvectl query <ip_address> To retrieve an MX record of domain # resolvectl --legend=no --type=MX query domain_name regards, T.Dhanasekar

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1D1C - xkcdpass
by Dhanasekar 19 Jun '23

19 Jun '23

xkcdpass - generate memorable, secure multiword passphrases To generate 6 password phrases $ xkcdpass To generate 5 password phrases with delimiter $ xkcdpass -n 5 --delimiter='|' $ xkcdpass -n 5 --delimiter=':' regards, T.Dhanasekar

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1D1C - diceware
by Dhanasekar 18 Jun '23

18 Jun '23

diceware - it generates passphrases by concatenating words randomly picked from wordlists To generate passphrase $ diceware To add delimiters between words $ diceware -d'#' $ diceware -d'-' $ diceware -d'&' regards, T.Dhanasekar

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1D1C - pwgen
by Dhanasekar 17 Jun '23

17 Jun '23

pwgen - generate pronounceable passwords To generate password with secure 30 character length $ pwgen -s 30 To generate password with mix of special characters $ pwgen -y 10 To create password with mix of Capital letters $ pwgen -c 10 regards, T.Dhanasekar

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Sending automated mail
by Abhijith PA 16 Jun '23

16 Jun '23

[[Please keep me Cc'ed]] Hello Dhanasekar, It seems you are sending automated mails this mailing list on every morning 6:00 AM since some time now. Is it something already discussed with admins ? --abhijith

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1D1C - gpw
by Dhanasekar 16 Jun '23

16 Jun '23

gpw - program to generate pronounceable passwords To generate 5 passwords and 16 characters length passwords # gpw 5 16 10 passwords and 20 characters length # gpw 10 20 regards, T.Dhanasekar

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1D1C - getsebool
by Dhanasekar 15 Jun '23

15 Jun '23

getsebool - get SELinux boolean value To show all SELinux booleans # getsebool -a To show SELinux boolean with grep # getsebool -a | grep ftp # getsebool -a | grep http regards, T.Dhanasekar

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1D1C - setsebool
by Dhanasekar 14 Jun '23

14 Jun '23

setsebool sets the current state of a particular SELinux boolean or a list of booleans to a given value # setsebool [SELinux boolean] [on|off] To modify (switch on or off) the value of a SELinux Boolean at runtime # setsebool ftp_home_dir on or # setsebool ftp_home_dir off To make the changes persistent across reboots # setsebool -P ftp_home_dir on or # setsebool -P ftp_home_dir off # setsebool -P httpd_can_network_connect on or # setsebool -P httpd_can_network_connect off regards, T.Dhanasekar

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1D1C - getenforce
by Dhanasekar 13 Jun '23

13 Jun '23

getenforce - get the current mode of SELinux To get the current mode of SELinux # getenforce regards, T.Dhanasekar

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1D1C - setenforce
by Dhanasekar 12 Jun '23

12 Jun '23

setenforce - modify the mode SELinux is running in To make SELinux in enforcing mode # setenforce 1 To make SELinux in permissive mode # setenforce 0 regards, T.Dhanasekar

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ILUG-D June 2023