1. custom default hostname

conf/machine/elphel393.conf

@@ -16,4 +16,7 @@ UBOOT_MACHINE = "elphel393_config"
 SERIAL_CONSOLE = "115200 ttyPS0"
 
 MACHINE_DEVICETREE := "elphel393/elphel393.dts"
-MACHINE_KCONFIG := "common/elphel393_defconfig_${LINUX_VERSION}"
\ No newline at end of file
+MACHINE_KCONFIG := "common/elphel393_defconfig_${LINUX_VERSION}"
+
+#hostname - applied to rootfs image
+hostname_pn-base-files = "elphel393"
\ No newline at end of file

conf/machine/microzed.conf

@@ -21,4 +21,7 @@ MACHINE_DEVICETREE := "common/zynq-base.dtsi microzed/microzed.dtsi microzed/mic
 #Copy of zedboard's defconfig
 MACHINE_KCONFIG := "common/microzed_defconfig_${LINUX_VERSION}"
 
-IMAGE_BOOT_FILES += "boot.bin ${MACHINE}.dtb"
\ No newline at end of file
+IMAGE_BOOT_FILES += "boot.bin ${MACHINE}.dtb"
+
+#hostname - applied to rootfs image
+hostname_pn-base-files = "elphelzed"
\ No newline at end of file

recipes-kernel/linux/config/elphel393.cfg

@@ -3,6 +3,7 @@ CONFIG_COMMON_CLK_SI570=y
 CONFIG_COMMON_CLK_SI5338=y
 CONFIG_LTC3589=y
 CONFIG_VSC330X=y
+#default hostname for kernel, the default hostname for rootfs is set in the machine config
 CONFIG_DEFAULT_HOSTNAME="elphel393"
 CONFIG_GPIO_XILINX_PS=y
 CONFIG_GPIO_PCA953X=y

recipes-kernel/linux/config/microzed.cfg

@@ -14,4 +14,7 @@ CONFIG_CMA_SIZE_SEL_MBYTES=y
 # CONFIG_CMA_SIZE_SEL_MIN is not set
 # CONFIG_CMA_SIZE_SEL_MAX is not set
 CONFIG_CMA_ALIGNMENT=8
-#CONFIG_CMA_AREAS=7 #obsolete
\ No newline at end of file
+#CONFIG_CMA_AREAS=7 #obsolete
+
+#default hostname for kernel, the default hostname for rootfs is set in the machine config: 
+CONFIG_DEFAULT_HOSTNAME="microzed"
\ No newline at end of file