Skip to main content

Linux turn OFF password expiration / Aging

Linux turn OFF password expiration / Aging

/etc/shadow stores actual password in encrypted format for user’s account with additional properties related to user password.

The password expiration information for a user is contained in the last 6 fields. Password expiration for a select user can be disabled by editing the /etc/shadow file. However I recommend using chage command. The chage command changes the number of days between password changes and the date of the last password change. This information is used by the system to determine when a user must change his/her password.


To list current aging type chage command as follows:
# chage -l avinash
Output:
Last password change : May 22, 2007
Password expires : never
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 99999
Number of days of warning before password expires : 7

To disable password aging / expiration for user foo, type command as follows and set:Minimum Password Age to 0Maximum Password Age to 99999Password Inactive to -1A ccount Expiration Date to -1
Interactive mode command:# chage username
OR
# chage -I -1 -m 0 -M 99999 -E -1 username


Thanks & Regards

Avinash Pillai


Email: avinashp25[AT]gmail[DOT]com
Labels:

Comments

Post a Comment

Popular posts from this blog

What is Cybersecurity Risk? Definition & Factors to Consider

  Cybersecurity risk has become a leading priority for organizations as they embrace digital transformation and leverage advanced technology solutions to drive business growth and optimize efficiencies. Additionally, many organizations are increasingly reliant on third-party and   fourth-party vendors   or programs.  In this post, we’ll explore what cybersecurity risk is and take a look at some key cybersecurity risk factors that organizations across all industries should keep in mind as they build and refine their   cybersecurity risk management strategy .   What is cybersecurity risk? Cybersecurity risk refers to   potential threats and vulnerabilities   in digital systems. It encompasses the likelihood of a cyberattack compromising data or systems, leading to financial,   reputational , or operational damage. A few examples of cybersecurity risks include   ransomware ,   malware ,   insider threats ,   phishing attacks ...
Post a Comment
Read more

How to configure NFS on Linux

1. Introduction The Network File System is certainly one of the most widely used network services. Network file system (NFS) is based on the  Remote procedure call  which allows the client to automatically mount remote file systems and therefore transparently provide an access to it as if the file system is local. If you still have some questions after reading this article please try our new  LinuxCareer Forum . 2. Scenario In this scenario we are going to export the file system from the an IP address 10.1.1.50 ( NFS server ) host and mount it on an a host with an IP address 10.1.1.55 ( NFS Client ). Both NFS server and NFS client will be running Ubuntu Linux. 3. Prerequisites At this point, we assume that the NFS service daemon is already installed on your system, including portmap daemon on which NFS setup depends. If you have not done so yet simply install nfs-common package on both NFS client and NFS server using using apt-get ...
1 comment
Read more

How To Manage Dell Servers using OMSA – OpenManage Server Administrator On Linux

OMSA is a web based application to manage DELL PowerEdge Servers. Using OMSA you can perform proactive system monitoring, system diagnosis, troubleshoot hardware issues and configure RAID etc., You can also view and manage hardware’s embedded system management (ESM) log using OMSA. This is an jumpstart guide that explains how to install Dell OMSA on Linux. I have also provided few screenshots of DELL OMSA web application. 1. Download DELL OMSA Go to DELL support website -> click on “Drivers & Downloads” -> choose your server model (in my case, I selected PowerEdge 2850) -> choose the operating system -> scroll-down and expand ‘Systems Management’ -> Click on ‘OpenManage Server Administrator Managed Node’ -> Click on OM_5.5.0_ManNode_A00.tar.gz to download it. You can directly download it to your Linux server as shown below. # mkdir -p /usr/local/omsa # cd /usr/local/omsa # wget http://ftp.us.dell.com/sysman/OM_5.5.0_ManNode_A00.tar.gz 2....
Post a Comment
Read more