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Study Guides – Linux+, Security+ and CWNA

Written by Erica St. John on 08/09/2010 – 22:28

Versions of the Study guide that are from older Certifications
- Still good info

Linux+ Study Guide

Security+ Study Guide

CWNA Study Guide

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ABC’s of Unix

Written by Girl Geekette on 21/04/2014 – 01:41

  • A is for Awk, which runs like a snail, and
  • B is for Biff, which reads all your mail.
  • C is for CC, as hackers recall, while
  • D is for DD, the command that does all.
  • E is for Emacs, which rebinds your keys, and
  • F is for Fsck, which rebuilds your trees.
  • G is for Grep, a clever detective, while
  • H is for Halt, which may seem defective.
  • I is for Indent, which rarely amuses, and
  • J is for Join, which nobody uses.
  • K is for Kill, which makes you the boss, while
  • L is for Lex, which is missing from DOS.
  • M is for More, from which Less was begot, and
  • N is for Nice, which it really is not.
  • O is for Od, which prints out things nice, while
  • P is for Passwd, which reads in strings twice.
  • Q is for Quota, a Berkeley-type fable, and
  • R is for Ranlib, for sorting a table.
  • S is for Spell, which attempts to belittle, while
  • T is for True, which does very little.
  • U is for Uniq, which is used after Sort, and
  • V is for Vi, which is hard to abort.
  • W is for Whoami, which tells you your name, while
  • X is, well, X, of dubious fame.
  • Y is for Yes, which makes an impression, and
  • Z is for Zcat, which handles compression.

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Solaris 10 Password Commands

Written by Erica St. John on 13/03/2014 – 16:06

Set Warning Date:

# passwd -w 4 username

To check the Warning Date is Assigned:

#passwd -s username

To Lock the Account:

#passwd -l username
#passwd -s username

To Unlock the Account:

#passwd -u username
#passwd -s username

To Turn Off The Password Aging for a User:

#passwd -x -1 username
if x=-1 then the password aging will be turned off for that user

#passwd -x 0 username
Forces user to change password at next login and turnoff aging.

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