Saturday, November 6, 2021

“sudo: /etc/sudoers is world writable” – How to correct the permissions of sudoers file in CentOS 7

 $ sudo syscheck

# ls -l /etc/sudoers
# chmod 440 /etc/sudoers
# ls -l /etc/sudoers
at
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Extract Domain from email in Excel or Google sheet

  =TEXTAFTER( A2 , "@") or, =MID(A1, FIND("@", A1) + 1, LEN(A1) - FIND("@", A1))