diff --git a/tldr/linux/apptainer-config b/tldr/linux/apptainer-config
new file mode 100644
index 00000000..f6cbb2e1
--- /dev/null
+++ b/tldr/linux/apptainer-config
@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# apptainer config
+
+> Manage various Apptainer configurations.
+> More information: <https://apptainer.org/docs/user/main/cli/apptainer_config.html>.
+
+- Add a fakeroot user mapping:
+
+`sudo apptainer config fakeroot {{[-a|--add]}} {{username}}`
+
+- Remove a fakeroot user mapping:
+
+`sudo apptainer config fakeroot {{[-r|--remove]}} {{username}}`
+
+- Enable a fakeroot user mapping:
+
+`sudo apptainer config fakeroot {{[-e|--enable]}} {{username}}`
+
+- Disable a fakeroot user mapping:
+
+`sudo apptainer config fakeroot {{[-d|--disable]}} {{username}}`
+
+- Get the current value of a global configuration directive:
+
+`sudo apptainer config global {{[-g|--get]}} {{directive}}`
+
+- Set a global configuration directive value:
+
+`sudo apptainer config global {{[-s|--set]}} {{directive}} {{value}}`
+
+- Unset a global configuration directive value:
+
+`sudo apptainer config global {{[-u|--unset]}} {{directive}} {{value}}`
+
+- Reset a global configuration directive to its default value:
+
+`sudo apptainer config global {{[-r|--reset]}} {{directive}}`
diff --git a/tldr/linux/kdesrc-build b/tldr/linux/kdesrc-build
index b602f0c7..0de78cf1 100644
--- a/tldr/linux/kdesrc-build
+++ b/tldr/linux/kdesrc-build
@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # kdesrc-build
 
 > Easily build KDE components from its source repositories.
-> More information: <https://manned.org/man/kdesrc-build>.
+> More information: <https://manned.org/kdesrc-build>.
 
 - Initialize `kdesrc-build`:
 
diff --git a/tldr/tuitube b/tldr/tuitube
new file mode 100644
index 00000000..d23f893e
--- /dev/null
+++ b/tldr/tuitube
@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tuitube
+
+> A terminal-based video downloader.
+> More information: <https://github.com/remorses/tuitube>.
+
+- Start `tuitube`:
+
+`tuitube`
+
+- Switch between options (navigate):
+
+`<Tab>`
+
+- Submit:
+
+`<Enter>`
+
+- Show menu:
+
+`<Ctrl k>`