Unify format of file names (hyphens instead of underscores)

docs/basics/apps/netmetr.md

@@ -27,7 +27,7 @@ To use Netmetr on Turris device proceed in these steps:
 Netmetr could be also started automatically to periodically benchmark you Internet
 connection. You can use a timetable to choose hours to run it.
 
-![timetable](netmetr_autostart.png)
+![timetable](netmetr-autostart.png)
 
 When autostarted, Netmetr is not started in the exact times stated above, instead
 it uses a few minute random wait to load balance the server.

docs/basics/apps/openvpn-client/openvpn.md

 # OpenVPN client on Turris
 
-Starting with [Turris OS 5.1](../../tos_versions.md),
+Starting with [Turris OS 5.1](../../tos-versions.md),
 you can configure the OpenVPN client through the reForis web interface.
 
 ## What is OpenVPN?

docs/basics/apps/pakon.md

@@ -165,7 +165,7 @@ You don't have to set a proper static lease to see names in PaKon - just fill
 in the name and select MAC address. If you fill in also the IP address, you
 create a static lease - meaning that the device will always get the same IP
 address. For more details about static leases click
-[here](../luci/static_dhcp/static_dhcp.md).
+[here](../luci/static-dhcp/static-dhcp.md).
 
 ![Screenshot - LuCI Static lease](static-lease.png)
 

docs/basics/common_errors.md → docs/basics/common-errors.md

@@ -11,8 +11,8 @@ before you start experimenting. We have a tool called
 will find an examples how to use it to create a snapshot.
 
 To be able get back to your router, the easiest way to do so is to use
-rescue mode (on [Turris Omnia](../hw/omnia/rescue_modes.md) or
-[MOX](../hw/mox/rescue_modes.md) to get to the earlier snapshot or to do a
+rescue mode (on [Turris Omnia](../hw/omnia/rescue-modes.md) or
+[MOX](../hw/mox/rescue-modes.md) to get to the earlier snapshot or to do a
 factory reset. In both cases your current state is saved as another snapshot so
 you can still mount it and explore the changes you made later.
 
@@ -92,12 +92,12 @@ settings that could influence it.
 The easiest way to fix it is to either revert to some previous and still working
 snapshot by using [Schnapps](../geek/schnapps/schnapps.md) or to do a complete
 Factory reset using rescue mode on both Turris
-[Omnia](../hw/omnia/rescue_modes.md) and Turris
-[MOX](../hw/mox/rescue_modes.md).
+[Omnia](../hw/omnia/rescue-modes.md) and Turris
+[MOX](../hw/mox/rescue-modes.md).
 
 #### Misconfigured WAN
 
-Double check your WAN settings in [Foris](foris/wan/foris_wan.md) to make sure
+Double check your WAN settings in [Foris](foris/wan/foris-wan.md) to make sure
 it corresponds the recommended settings from your ISP and do WAN test from
 within the Foris.
 
@@ -109,8 +109,8 @@ flashing your router with the latest medkit (and setting just bare minimum from
 the scratch) to avoid any misconfiguration.
 
 You can do so by using rescue mode on both Turris
-[Omnia](../hw/omnia/rescue_modes.md) and Turris
-[MOX](../hw/mox/rescue_modes.md).
+[Omnia](../hw/omnia/rescue-modes.md) and Turris
+[MOX](../hw/mox/rescue-modes.md).
 
 If it doesn't help, contact our [support](support.md) and provide us with
 diagnostics, which can provide us leads, where the issue might be. This is only
@@ -130,4 +130,4 @@ _Updater_ tab in Foris. Last but not least, booting over the network works
 only via the Ethernet connector on MOX A and after the first boot, only with
 the router it is paired with. Pairing is lost on factory reset of controlling
 router. To make sure your MOX is not paired with already, use [Factory
-reset](../hw/mox/rescue_modes.md#rollback-to-factory-reset).
+reset](../hw/mox/rescue-modes.md#rollback-to-factory-reset).

docs/basics/first-setup/mox_cpu_only.md → docs/basics/first-setup/mox-cpu-only.md

@@ -21,7 +21,7 @@ change the purpose of your only Ethernet port.
 
 You shouldn't connect your MOX A directly to the internet.
 
-![Mox without internet](mox_no_internet.png)
+![Mox without internet](mox-no-internet.png)
 
 You can connect your MOX A directly to your computer, but your MOX A wouldn't be
 able to connect to the internet during the first setup and download any
@@ -29,20 +29,20 @@ updates, which is not recommended. Some steps in the configuration guide (like
 checking the internet connection) could fail because of that, but it should be
 usually OK.
 
-![Mox connected directly to computer](mox_to_internet.png)
+![Mox connected directly to computer](mox-to-internet.png)
 
 If you have a working local network with dhcp behind a firewall and you can
 somehow list IP addresses of newly connected devices, it is recommended to use
 it for MOX A configuration. In this setup, your MOX A will be able to connect
 to your computer as well as connect to the internet.
 
-![Ideal connection of MOX](mox_cpu_only.png)
+![Ideal connection of MOX](mox-cpu-only.png)
 
 ## Installation steps
 
 ### Before you start
 
-{! basics/first-setup/mox_first_setup_warning.md !}
+{! basics/first-setup/mox-first-setup-warning.md !}
 
 
 ### Setup

docs/basics/first-setup/mox_first_setup.md → docs/basics/first-setup/mox-first-setup.md

@@ -5,7 +5,7 @@ board: mox
 
 ## Before you start
 
-{! basics/first-setup/mox_first_setup_warning.md !}
+{! basics/first-setup/mox-first-setup-warning.md !}
 
 ## Connecting cables
 
@@ -27,7 +27,7 @@ afterwards.
 ### One Ethernet port device
 
 The trickiest case is if you have **only one Ethernet port**. Therefore we
-created a [special guide](mox_cpu_only.md) for the case with just one Ethernet
+created a [special guide](mox-cpu-only.md) for the case with just one Ethernet
 port such as MOX Start, MOX Pocket Wi-Fi or MOX Power Wi-Fi.
 
 ## Entering guide

docs/basics/first-setup/shield_first_setup.md → docs/basics/first-setup/shield-first-setup.md

@@ -8,7 +8,7 @@ board: shield
 Turris shield has Ethernet ports split into two groups — WAN (Wide Area Network
 aka Internet) and LAN (Local Area Network aka your private network to be secured).
 
-![Turris Shield ports](shield_ports.png)
+![Turris Shield ports](shield-ports.png)
 
 There is only one WAN port — the grey one, but you have four LAN ports
 available — the ones framed in blue.
@@ -42,7 +42,7 @@ password. That is the only mandatory step in the initial Guide.
 
 ### Step one — password settings 
 
-![Setting password](shield_pass.png)
+![Setting password](shield-pass.png)
 
 As mentioned previously, you are asked to enter password that will protect your
 administration interface. Pick something that is not easy to guess and long
@@ -50,7 +50,7 @@ enough.
 
 #### Step one A — Insecure password used 
 
-![Invalid password](shield_pass_invalid.png)
+![Invalid password](shield-pass-invalid.png)
 
 While setting the password, password is checked offline against set of well-known
 passwords that we captured in our honeypots. If you see the error above, the
@@ -58,14 +58,14 @@ password you picked is definitely not secure and you should pick something else.
 
 #### Step one B — Password set
 
-![Password set](shield_pass_set.png)
+![Password set](shield-pass-set.png)
 
 Once you choose non-blacklisted password that is long enough, it is set, and
 you may proceed to the next step via _Next step_ button.
 
 ## Step two — guide finished
 
-![Finished guide](shield_finished.png)
+![Finished guide](shield-finished.png)
 
 Second step is farewell message from the guide. Click on _Continue_ button and
 you are done. Your internet should start working and you should land on the

docs/basics/first-setup/simple_setup.md → docs/basics/first-setup/simple-setup.md

@@ -33,7 +33,7 @@ through the rest of the setup.
 
 !!! tip
     On Turris Omnia, you can download the latest [medkit](https://repo.turris.cz/hbs/medkit/omnia-medkit-latest.tar.gz) and [flash your router
-    via USB](../../hw/omnia/rescue_modes.md#re-flash-router) and therefore
+    via USB](../../hw/omnia/rescue-modes.md#re-flash-router) and therefore
     significantly decrease update time.
 
 After your router is fully set up you can start setting up additional services.

docs/basics/luci/luci.md

@@ -28,5 +28,5 @@ and network configuration tool.
 
 Although, there is a set of advanced administration requirements which are only possible to get done with LuCI. Such as
 
-- [static IP addresses assignment](static_dhcp/static_dhcp.md)
-- [VLAN configuration](vlan/luci_vlan.md)
+- [static IP addresses assignment](static-dhcp/static-dhcp.md)
+- [VLAN configuration](vlan/luci-vlan.md)