July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from Linux in a Nutshell, Fifth Edition
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
chattr | 83
Linux
Commands
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
chage
chage [options] user
Change information about user password expirations. If run
without any option flags, chage will prompt for values to be
entered; you may also use option flags to change or view
information.
Options
-l This flag is used without any others and causes chage to
display the current password expiration attributes for the user.
-m mindays
Minimum number of days between password changes. Default
is zero, meaning that the user may change the password at any
time.
-M maxdays
Maximum number of days between password changes.
-d lastday
Date of last password change. This may be expressed as a date
in YYYY-MM-DD format, or as the number of days between
January 1, 1970 and the last password change.
-I inactive-days
If a password expires and the user does not log in for this
number of days, the account will be locked and the user must
contact a system administrator before logging in. Set to 0 to
disable the feature.
-E expiredate
Set the date when the account will be locked. This is not a
date for password expiration, but for account expiration. It
may be expressed as a YYYY-MM-DD date or as a number of
days since January 1, 1970.
-W warning
The number of days before password expiration that a user
will be warned to change passwords.
chattr
chattr [options] mode files ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.