Open or create a file for editing in Nano When it says “M-U Undo”, it means use Alt+U key to undo your last action. When it says “^X Exit”, it means to use Ctrl+X keys to exit the editor. You should get familiar with the symbols in Nano. The wider your terminal window, the more shortcuts it shows. This way you won’t get stuck at exiting the editor like Vim. Nano editor also shows important keyboard shortcuts you need to use for editing at the bottom of the editor. You can start writing or editing text straightaway. If you’ve ever used Vim or Emacs, you’ll notice that using Nano is a lot simpler. Getting familiar with the Nano editor interface If not, please your distribution’s package manager to install it. I presume that you have Nano editor installed on your system already. Essential Nano keyboard shortcuts Shortcutĭownload-circle How to use Nano text editor Please expand the next section if you are just interested in a quick summary of Nano keyboard shortcuts. I will also include a downloadable PDF cheat sheet at the end of the article so that you can refer to it for practicing and mastering Nano editor commands. In this beginner’s guide, I’ll show you how to use the Nano text editor. Though it is less complicated to use than the likes of Vim and Emacs, it doesn’t mean Nano cannot be overwhelming to use. Could not load/initialize BMP blob.Nano is the default terminal-based text editor in Ubuntu and many other Linux distributions. display_console_init: no valid display out_type is_hdmi_needed: HDMI not connected, returning false Found 17 GPT partitions in "sdmmc3_user" Add serial number:1420822031695 as DT property Plugin Manager: Parse ODM data 0x000a4000 updating /chosen/nvidia,ethernet-mac node 48:b0:2d:69:9e:97 shim_eeprom_update_mac:267: Failed to update 1 MAC address in DTB shim_eeprom_update_mac:267: Failed to update 0 MAC address in DTB eeprom_get_mac: EEPROM invalid MAC address (all 0xff) eeprom_init: EEPROM incompatible version found pm_ids_update: Updating 3,ae, size 256, type 0 Adding pm_ids_update: pm id update successful pm_ids_update: Updating 3,a0, size 256, type 0 pm_ids_update: Updating 1,a0, size 256, type 0 gpio_driver_register: register 'max77620-gpio' driver of_children_init: Ops found for compatible string maxim,max77620 of_children_init: Ops found for compatible string nvidia,tegra210-i2c How do I get back to old settings in /boot/extlinux/nf ? I wish I could get back to an working device without reinstalling it with SDK Manager. Please do let me know if you have any questions. home/ quiet root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 sdhci_tegra.en_boot_part_access=1 nv-auto-config It will generate tegra210-jetson_nano_module_spi-pinmux.dtbo file Make overlays/jetsonnano/tegra210-jetson_nano_module_spi-pinmux.dtbo jetson-header-name = "Jetson 40pin Header" Ĭopy the above tegra210-jetson_nano_module_spi-pinmux.dts into seeed-linux-dtoverlays/overlays/jetsonnano By taking the above file as reference, copy the contents below into a file named tegra210-jetson_nano_module_spi-pinmux.dts.Open the file and you will see spi1 configured as follows:.What we are interested in is the tegra210-jetson_nano_module_spi-pinmux.dtsi file Output of /opt/nvidia/jetson-io/config-by-hardware.py -l is Header 1 : Jetson 40pin Header This device can only be used with the official nvidia jetson nano dev kit. I addressed my issue to their support and I received this reply which is very ambiguous to me: Hello. I installed the dt-overlays according to to be able to use the SPI interface but when I want to manually configure the 40pin header I receive this error: FATAL ERROR! | I am interested to know if someone of you by any chance has the J101-v2 carrier board for jetson nano, from Seeed, and was able to configure the 40pin header (spi interface) ?
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