Update cheatsheets

tldr/linux/ip-tuntap

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ip tuntap
+
+> Manage TUN/TAP virtual network interfaces.
+> More information: <https://baturin.org/docs/iproute2/#ip-tuntap>.
+
+- Show all existing TUN/TAP devices:
+
+`ip {{[tunt|tuntap]}}`
+
+- Create a TUN device with a specific name:
+
+`sudo ip {{[tunt|tuntap]}} {{[a|add]}} {{[d|dev]}} {{tun0}} {{[m|mode]}} {{[t|tun]}}`
+
+- Create a TAP device with a specific name:
+
+`sudo ip {{[tunt|tuntap]}} {{[a|add]}} {{[d|dev]}} {{tap0}} {{[m|mode]}} {{[ta|tap]}}`
+
+- Delete a TUN or TAP device:
+
+`sudo ip {{[tunt|tuntap]}} {{[d|delete]}} {{[d|dev]}} {{tun0|tap0}} {{[m|mode]}} {{tun|tap}}`
+
+- Set the owner (UID) of a TUN/TAP device:
+
+`sudo ip {{[tunt|tuntap]}} {{[a|add]}} {{[d|dev]}} {{tun0|tap0}} {{[m|mode]}} {{tun|tap}} {{[u|user]}} {{username}}`
+
+- Set both owner (UID) and group (GID) for a TUN/TAP device:
+
+`sudo ip {{[tunt|tuntap]}} {{[a|add]}} {{[d|dev]}} {{tun0|tap0}} {{[m|mode]}} {{tun|tap}} {{[u|user]}} {{username}} {{[g|group]}} {{group_name}}`