Difference between revisions of "Changing Passwords On The CS Linux Systems"
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| + | <br>Passwords '''must''' conform to our [[Password Requirements|password requirements]]. | ||
== Changing a Password on Our ''Grad/Research Net'' Linux Systems == | == Changing a Password on Our ''Grad/Research Net'' Linux Systems == | ||
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passwd | passwd | ||
| − | You will twice be prompted for your current password and then your new password. | + | You will ''twice'' be prompted for your current password and then your new password. |
| + | * The first time will change your Linux login password. | ||
| + | * The second time will change your [[Mapping CS Home Directories Using SAMBA (SMB)|Windows filesharing (Samba)]] password. | ||
| + | Although you may use different passwords for each, we recommend using the same one both times. | ||
You can begin using your new password immediately. | You can begin using your new password immediately. | ||
| − | ==Changing A Password On Our ''Ugrad Net'' Linux Systems== | + | == Changing A Password On Our ''Ugrad Net'' Linux Systems == |
Log into one of the [[Linux Clients on the CS Undergrad Net|Linux systems on our Ugrad Net]]. | Log into one of the [[Linux Clients on the CS Undergrad Net|Linux systems on our Ugrad Net]]. | ||
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<pre> | <pre> | ||
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Logging into hops to change your password... | Logging into hops to change your password... | ||
Last login: Thu May 7 12:32:10 2015 from ugrad4.cs.jhu.edu | Last login: Thu May 7 12:32:10 2015 from ugrad4.cs.jhu.edu | ||
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Please enter a number ===> | Please enter a number ===> | ||
Note that password changes can take up to 30 minutes to propogate to all ugrad machines. | Note that password changes can take up to 30 minutes to propogate to all ugrad machines. | ||
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</pre> | </pre> | ||
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There will be a delay of up to 30 minutes before your new password becomes available to our Ugrad Linux clients. | There will be a delay of up to 30 minutes before your new password becomes available to our Ugrad Linux clients. | ||
| − | ==Notes About Passwords On Our CS Linux (Grad or Ugrad) Systems== | + | == Notes About Passwords On Our CS Linux (Grad or Ugrad) Systems == |
| − | * You can make them as long as you want. | + | * You can make them as long as you want, subject to our [[Password Requirements|password requirements]]. |
| − | * You can use whatever characters you'd like. | + | * You can use whatever characters you'd like. subject to our [[Password Requirements|password requirements]]. |
* Make it a password you can remember. | * Make it a password you can remember. | ||
| Line 50: | Line 53: | ||
* Make your password complex enough to prevent someone from figuring it out. (You can Google ways to make a strong password.) | * Make your password complex enough to prevent someone from figuring it out. (You can Google ways to make a strong password.) | ||
| − | ==If You Do Not Remember Your Current Password...== | + | ===''Do Not'' Share Your Password!=== |
| + | |||
| + | ::Please don't share your CS account password with anyone. No one else ever needs to know your account password, not even CS IT Support. If you're requesting information about an account, you can just give the account name; that's enough for authorized people to look up information about the account. Sharing the password with other people is potentially a security risk. | ||
| + | |||
| + | ::Even if you think the person you're contacting is trustworthy, since they should never need your password, it's good practice to never send it (not even via email or text.) That makes it impossible to accidentally send it to the wrong person, among other things. | ||
| + | |||
| + | <p> | ||
| + | |||
| + | More detailed information on creating passwords is available on our [[Password Requirements]] page. | ||
| + | |||
| + | == If You Do Not Remember Your Current Password... == | ||
You need your '''current''' password to change to a new password. If you do not recall what your '''current''' password is, please see: [[How To Reset Your Password]] | You need your '''current''' password to change to a new password. If you do not recall what your '''current''' password is, please see: [[How To Reset Your Password]] | ||
Latest revision as of 14:32, 9 October 2023
Passwords must conform to our password requirements.
Changing a Password on Our Grad/Research Net Linux Systems
Log into one of the Linux systems on our Grad/Research Net.
run the command:
passwd
You will twice be prompted for your current password and then your new password.
- The first time will change your Linux login password.
- The second time will change your Windows filesharing (Samba) password.
Although you may use different passwords for each, we recommend using the same one both times.
You can begin using your new password immediately.
Changing A Password On Our Ugrad Net Linux Systems
Log into one of the Linux systems on our Ugrad Net.
run the command:
passwd
You will see something like:
Logging into hops to change your password... Last login: Thu May 7 12:32:10 2015 from ugrad4.cs.jhu.edu Welcome to hops. 1. Change your password. 2. Change your shell. 3. Exit. Please enter a number ===> Note that password changes can take up to 30 minutes to propogate to all ugrad machines.
You should choose: 1. Change your password.
You will be prompted for your current password and then your new password.
There will be a delay of up to 30 minutes before your new password becomes available to our Ugrad Linux clients.
Notes About Passwords On Our CS Linux (Grad or Ugrad) Systems
- You can make them as long as you want, subject to our password requirements.
- You can use whatever characters you'd like. subject to our password requirements.
- Make it a password you can remember.
- Make your password complex enough to prevent someone from figuring it out. (You can Google ways to make a strong password.)
- Please don't share your CS account password with anyone. No one else ever needs to know your account password, not even CS IT Support. If you're requesting information about an account, you can just give the account name; that's enough for authorized people to look up information about the account. Sharing the password with other people is potentially a security risk.
- Even if you think the person you're contacting is trustworthy, since they should never need your password, it's good practice to never send it (not even via email or text.) That makes it impossible to accidentally send it to the wrong person, among other things.
More detailed information on creating passwords is available on our Password Requirements page.
If You Do Not Remember Your Current Password...
You need your current password to change to a new password. If you do not recall what your current password is, please see: How To Reset Your Password