Questions tagged [password]
Questions regarding password-based authentication and password management
1,260 questions
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understanding sha512 hash in /etc/shadow
for RHEL-8.10 with /etc/login.defs having ENCRYPT_METHOD SHA512 for my local ron account I set {as root} the password for it to also be just ron.
As such in /etc/shadow I have this:
ron:$6$...
- 9,102
0
votes
2
answers
69
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checking for strong passwords in Linux as an admin
as a Linux admin I have root access and there are however many local users specified in /etc/passwd This is in RHEL-8.10 having ENCRYPT_METHOD SHA512 and /etc/security/pwquality.conf is configured ...
- 9,102
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1
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How do I enable root account = set root password in Synology DSM 7.2?
How do I enable root account = set root password in Synology DSM 7.2?
(On Synology DS923+, but I believe it is not at all hardware-bound.)
Being rooted with sudo -i, I tried passwd, but I got:
-ash: ...
- 31.1k
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Running sshfs through ssh proxy and passing in passwords: why does this work?
I have a remote machine that I must access through a proxy, and so I have set up the remote's ssh alias like so:
Host server
HostName server-ip
User my-username
ProxyCommand ssh my-proxy-...
- 101
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0
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92
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How to debug chpasswd "Authentication token manipulation error"
I'm trying to programmatically change a user's password using chpasswd, but I'm getting the following error:
/sbin/chpasswd <<< "0s22xmgW:<new_password>"
chpasswd: (user ...
- 1,005
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0
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145
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fstab mount network drive password
I have problem automounting a network drive, and I noticed the command line to do so uses commas to separate commands. I put username=xxx,password=xxxx there, ...
But my password contain a comma. Does ...
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1
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2
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SSH: How to verify the passphrase of a key but without doing an attempt of ssh connection?
About SSH I know the following command works:
ssh -i id_rsa <username>@<ip>
Of course:
The remote server must be running
The passphrase of the id_rsa key is requested and if it is valid ...
- 2,176
-2
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1
answer
130
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Password revealed in terminal after empty password attempt [closed]
In Ubuntu (maybe other distros too) terminals it appears that password echoing gets enabled between failed password prompts revealing whatever is being typed (the password most probable).
I ...
1
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0
answers
132
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SHA_CRYPT_MIN_ROUNDS value in /etc/login.defs
at https://www.man7.org/linux/man-pages/man5/login.defs.5.html
With a lot of rounds, it is more difficult to brute force thepassword. But note also that more CPU resources will be needed to ...
- 9,102
0
votes
0
answers
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matching pwquality.conf password requirements to Microsoft Window
Using RHEL-8.10 Linux servers in combination with Microsoft Windows 11 workstations in a work environment, samba server is being used with security = user and passdb backend = tdbsam.
Doing a simple ...
- 9,102
1
vote
1
answer
188
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Unable to set password of another user, even as root
I'm having an unusual problem. I created the user, and, I thought, set it's password.
For additional context, this is in a production environment, and we are using RHEL 8.10
[root@computer ~] useradd ...
- 111
1
vote
1
answer
305
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Keyring pop-up on login
I'm new to Linux and I've been running the latest version of Zorin OS. I've turned on automatic login on my desktop, but every time it boots, on the desktop a window pops up saying: "An ...
- 11
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ckpasswd from inn2 does not behave the same as described in its man page
From reading man ckpasswd I gather that it should accept ClientAuthname: and ClientPassword: through its stdin and exit with an error code and error output, if the password is wrong. I used the Perl ...
0
votes
1
answer
146
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sudo visudo and still command is prompting for password
I am not having success using sudo visudo. I have read this article How to run a specific program as root without a password prompt? and this article sudo: password prompted even when NOPASSWD is set ...
- 153
0
votes
1
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250
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Mount not working on Rocky linux 9 - unknown file system
I try to mount a share with user and password:
mount -t user=xxxx,password=yyyy //192.168.0.180/mount_dir/ /home/mount_to/ - this share has xxxx user and yyyy password, and it works fine under windows,...
- 113