Update cheatsheets

linux/chpasswd

@@ -0,0 +1,26 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# chpasswd
+
+> Change the passwords for multiple users by using `stdin`.
+> More information: <https://manned.org/chpasswd.8>.
+
+- Change the password for a specific user:
+
+`printf "{{username}}:{{new_password}}" | sudo chpasswd`
+
+- Change the passwords for multiple users (The input text must not contain any spaces.):
+
+`printf "{{username_1}}:{{new_password_1}}
+{{username_2}}:{{new_password_2}}" | sudo chpasswd`
+
+- Change the password for a specific user, and specify it in encrypted form:
+
+`printf "{{username}}:{{new_encrypted_password}}" | sudo chpasswd --encrypted`
+
+- Change the password for a specific user, and use a specific encryption for the stored password:
+
+`printf "{{username}}:{{new_password}}" | sudo chpasswd --crypt-method {{NONE|DES|MD5|SHA256|SHA512}}`