[NFR] scripts, docs: Use root instead of NIAuth admin for target access

docs/README.kernel.md

@@ -257,25 +257,25 @@ KERNEL_VERSION=`make -s kernelrelease`
    this command:
 
    ```bash
-   ssh admin@$TARGET 'test ! -h /boot/runmode/bzImage && mv /boot/runmode/bzImage /boot/runmode/bzImage-`uname -r`'
+   ssh root@$TARGET 'test ! -h /boot/runmode/bzImage && mv /boot/runmode/bzImage /boot/runmode/bzImage-`uname -r`'
    ```
 
 2. Copy the new kernel to the target with SSH.
 
    ```bash
-   scp arch/x86/boot/bzImage admin@$TARGET:/boot/runmode/bzImage-$KERNEL_VERSION
+   scp arch/x86/boot/bzImage root@$TARGET:/boot/runmode/bzImage-$KERNEL_VERSION
    ```
 
    Rewrite the symlink used by the bootloader.
 
    ```bash
-   ssh admin@$TARGET ln -sf bzImage-$KERNEL_VERSION /boot/runmode/bzImage
+   ssh root@$TARGET ln -sf bzImage-$KERNEL_VERSION /boot/runmode/bzImage
    ```
 
 3. Copy the kernel modules to the target.
 
    ```bash
-   tar cz -C $TEMP_MODULES lib | ssh admin@$TARGET tar xz -C /
+   tar cz -C $TEMP_MODULES lib | ssh root@$TARGET tar xz -C /
    ```
 
    Note that the build and source symlinks in the modules directory do
@@ -290,19 +290,19 @@ KERNEL_VERSION=`make -s kernelrelease`
    provides an interactive menu to choose whether to boot into safemode:
 
    ```bash
-   ssh admin@$TARGET fw_setenv bootdelay 5
+   ssh root@$TARGET fw_setenv bootdelay 5
    ```
 
 5. Reboot the target.
 
    ```bash
-   ssh admin@$TARGET reboot
+   ssh root@$TARGET reboot
    ```
 
 6. (optional) Check version of the updated kernel on the target.
 
    ```bash
-   ssh admin@$TARGET uname -r
+   ssh root@$TARGET uname -r
    ```
 
 
@@ -349,9 +349,9 @@ TARGET=<the target's hostname or IP address>
 1. Copy the new kernel to the target.
 
    ```bash
-   scp ni-install/arm/boot/ni_zynq_custom_runmodekernel.itb admin@$TARGET:/boot/linux_runmode.itb
+   scp ni-install/arm/boot/ni_zynq_custom_runmodekernel.itb root@$TARGET:/boot/linux_runmode.itb
    cd ni-install/arm/lib/modules/
-   tar cz lib | ssh admin@$TARGET tar xz -C /
+   tar cz lib | ssh root@$TARGET tar xz -C /
    ```
 
    Note that the build and source symlinks in the modules directory do
@@ -361,13 +361,13 @@ TARGET=<the target's hostname or IP address>
 2. Reboot the target.
 
    ```bash
-   ssh admin@$TARGET reboot
+   ssh root@$TARGET reboot
    ```
 
 3. (optional) Check version of the updated kernel on the target.
 
    ```bash
-   ssh admin@$TARGET uname -r
+   ssh root@$TARGET uname -r
    ```
 
 ## Rebuilding NI out-of-tree Drivers with DKMS
@@ -398,16 +398,16 @@ over the network, saving limited disk space resources.
 2. Install sshfs on the target and load the module for fuse.
 
    ```bash
-   ssh admin@$TARGET "opkg update && opkg install sshfs-fuse"
-   ssh admin@$TARGET modprobe fuse
+   ssh root@$TARGET "opkg update && opkg install sshfs-fuse"
+   ssh root@$TARGET modprobe fuse
    ```
 
 3. Mount the kernel source on the target. Note that user and host
    in this case are the values for the host build machine.
 
    ```bash
-   ssh admin@$TARGET mkdir /usr/src/linux
-   ssh admin@$TARGET sshfs <user>@<host>:<path_to_linux_source> /usr/src/linux
+   ssh root@$TARGET mkdir /usr/src/linux
+   ssh root@$TARGET sshfs <user>@<host>:<path_to_linux_source> /usr/src/linux
    ```
 
 #### With `scp` and `tar`
@@ -416,8 +416,8 @@ If the target has sufficient disk space, the source can be copied to the
 target, as was done earlier when copying the modules to the target.
 
 ```bash
-ssh admin@$TARGET mkdir /usr/src/linux
-tar cz --exclude=./.git --exclude=$TEMP_MODULES . | ssh admin@$TARGET tar xz --no-same-owner -C /usr/src/linux
+ssh root@$TARGET mkdir /usr/src/linux
+tar cz --exclude=./.git --exclude=$TEMP_MODULES . | ssh root@$TARGET tar xz --no-same-owner -C /usr/src/linux
 ```
 
 ### Using the Source with DKMS
@@ -426,7 +426,7 @@ The following steps are all run on the target. This can be done either by
 opening an ssh session as below or through a serial connection.
 
 ```bash
-ssh admin@$TARGET
+ssh root@$TARGET
 ```
 
 1. Fix dangling build and source symlinks.

scripts/dev/upstream_merge/utils/test.py

@@ -104,7 +104,7 @@ def test_safemode_installation(ssh_connection):
     current_directory = os.getcwd()
     copy = execute_and_stream_cmd_output(
         f"scp {current_directory}{BUILD_DIR}{SAFEMODE_IMAGE} "
-        f"{ssh_connection}:/home/admin"
+        f"{ssh_connection}:/home/root"
     )
     if copy[0] != 0:
         return copy

scripts/tests/provisioning/migrate_vm_to_safemode.expect

@@ -16,7 +16,7 @@ set ipk_feeds [lrange $argv 2 end]
 # default, if none is specified.
 set vm_host_ip "10.0.2.2"
 # Set the login username
-set USER admin
+set USER root
 
 # boot the VM with the run-vm script
 spawn [lindex $argv 0] -- -device e1000,netdev=n1 -netdev user,id=n1,ipv6=off,net=10.0.2.0/24,host=$vm_host_ip
@@ -101,7 +101,7 @@ expect {
 	}
 }
 
-set USER admin
+set USER root
 
 set timeout 90
 expect {

scripts/tests/provisioning/test_rauc_provision.expect

@@ -16,7 +16,7 @@ set ipk_feeds [lrange $argv 2 end]
 # default, if none is specified.
 set vm_host_ip "10.0.2.2"
 # Set the login username
-set USER admin
+set USER root
 
 set RE_PROMPT "(admin|root)@.*# $"
 

scripts/tests/provisioning/test_safemode_provision.expect

@@ -16,7 +16,7 @@ set ipk_feeds [lrange $argv 2 end]
 # default, if none is specified.
 set vm_host_ip "10.0.2.2"
 # Set the login username
-set USER admin
+set USER root
 
 # boot the VM with the run-vm script
 spawn [lindex $argv 0] -s -- -device e1000,netdev=n1 -netdev user,id=n1,ipv6=off,net=10.0.2.0/24,host=$vm_host_ip