Update cheatsheets

tldr/dd

@@ -10,11 +10,11 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Make a bootable USB drive from an isohybrid file (such as `archlinux-xxx.iso`):
 
-`dd if={{path/to/file.iso}} of=/dev/{{usb_drive}}`
+`dd if={{path/to/file.iso}} of={{/dev/usb_drive}}`
 
 - Clone a drive to another drive with 4 MiB block size and flush writes before the command terminates:
 
-`dd bs=4194304 conv=fsync if=/dev/{{source_drive}} of=/dev/{{dest_drive}}`
+`dd bs=4194304 conv=fsync if={{/dev/source_drive}} of={{/dev/dest_drive}}`
 
 - Generate a file with a specific number of random bytes by using kernel random driver:
 
@@ -24,6 +24,6 @@ source: https://github.com/tldr-pages/tldr.git
 
 `dd bs={{1024}} count={{1000000}} if=/dev/zero of={{path/to/file_1GB}}`
 
-- Create a system backup and save it into an IMG file (can be restored later by swapping `if` and `of`):
+- Create a system backup, save it into an IMG file (can be restored later by swapping `if` and `of`), and show the progress:
 
-`dd if={{/dev/drive_device}} of={{path/to/file.img}}`
+`dd if={{/dev/drive_device}} of={{path/to/file.img}} status=progress`

tldr/git-contrib

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # git contrib
 
-> Display commits from a author.
+> Display commits from an author.
 > Part of `git-extras`.
 > More information: <https://github.com/tj/git-extras/blob/master/Commands.md#git-contrib>.
 

tldr/linux/dd

@@ -10,7 +10,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Make a bootable USB drive from an isohybrid file (such as `archlinux-xxx.iso`) and show the progress:
 
-`dd status=progress if={{path/to/file.iso}} of={{/dev/usb_drive}}`
+`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
 
 - Clone a drive to another drive with 4 MiB block size and flush writes before the command terminates:
 
@@ -24,9 +24,9 @@ source: https://github.com/tldr-pages/tldr.git
 
 `dd bs={{1M}} count={{1000000}} if=/dev/zero of={{path/to/file_1GB}}`
 
-- Create a system backup and save it into an IMG file (can be restored later by swapping `if` and `of`):
+- Create a system backup, save it into an IMG file (can be restored later by swapping `if` and `of`), and show the progress:
 
-`dd if={{/dev/drive_device}} of={{path/to/file.img}}`
+`dd if={{/dev/drive_device}} of={{path/to/file.img}} status=progress`
 
 - Check the progress of an ongoing `dd` operation (run this command from another shell):
 

tldr/neo4j-admin

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# neo4j-admin
+
+> Manage and administer a Neo4j DBMS (Database Management System).
+> More information: <https://neo4j.com/docs/operations-manual/current/tools/neo4j-admin/>.
+
+- Start the DBMS:
+
+`neo4j-admin server start`
+
+- Stop the DBMS:
+
+`neo4j-admin server stop`
+
+- Set the initial password of the default `neo4j` user (prerequisite for the first start of the DBMS):
+
+`neo4j-admin dbms set-initial-password {{database_name}}`
+
+- Create an archive (dump) of an offline database to a file named `database_name.dump`:
+
+`neo4j-admin database dump --to-path={{path/to/directory}} {{database_name}}`
+
+- Load a database from an archive named `database_name.dump`:
+
+`neo4j-admin database load --from-path={{path/to/directory}} {{database_name}} --overwrite-destination=true`
+
+- Load a database from a specified archive file through `stdin`:
+
+`neo4j-admin database load --from-stdin {{database_name}} --overwrite-destination=true < {{path/to/filename.dump}}`
+
+- Display help:
+
+`neo4j-admin --help`

tldr/osx/dd

@@ -10,27 +10,23 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:
 
-`dd if={{path/to/file.iso}} of={{/dev/usb_device}} status=progress`
+`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
 
 - Clone a drive to another drive with 4 MB block, ignore error and show the progress:
 
-`dd if={{/dev/source_device}} of={{/dev/dest_device}} bs=4m conv=noerror status=progress`
+`dd bs=4m conv=noerror if={{/dev/source_drive}} of={{/dev/dest_drive}} status=progress`
 
-- Generate a file of 100 random bytes by using kernel random driver:
+- Generate a file with a specific number of random bytes by using kernel random driver:
 
-`dd if=/dev/urandom of={{path/to/random_file}} bs=100 count={{1}}`
+`dd bs={{100}} count={{1}} if=/dev/urandom of={{path/to/random_file}}`
 
 - Benchmark the write performance of a disk:
 
-`dd if=/dev/zero of={{path/to/1GB_file}} bs={{1024}} count={{1000000}}`
+`dd bs={{1024}} count={{1000000}} if=/dev/zero of={{path/to/1GB_file}}`
 
-- Generate a system backup into an IMG file and show the progress:
+- Create a system backup, save it into an IMG file (can be restored later by swapping `if` and `of`), and show the progress:
 
-`dd if=/dev/{{drive_device}} of={{path/to/file.img}} status=progress`
-
-- Restore a drive from an IMG file and show the progress:
-
-`dd if={{path/to/file.img}} of={{/dev/drive_device}} status=progress`
+`dd if={{/dev/drive_device}} of={{path/to/file.img}} status=progress`
 
 - Check the progress of an ongoing `dd` operation (run this command from another shell):
 

tldr/rkdeveloptool

@@ -0,0 +1,35 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# rkdeveloptool
+
+> Flash, dump, and manage boot firmware for Rockchip-based computer devices.
+> You will need to turn on the device into Maskrom/Bootrom mode before connecting it through USB.
+> Some subcommands may require to run as root.
+> More information: <https://github.com/rockchip-linux/rkdeveloptool>.
+
+- [l]ist all connected Rockchip-based flash [d]evices:
+
+`rkdeveloptool ld`
+
+- Initialize the device by forcing it to [d]ownload and install the [b]ootloader from the specified file:
+
+`rkdeveloptool db {{path/to/bootloader.bin}}`
+
+- [u]pdate the boot[l]oader software with a new one:
+
+`rkdeveloptool ul {{path/to/bootloader.bin}}`
+
+- Write an image to a GPT-formatted flash partition, specifying the initial storage sector (usually `0x0` alias `0`):
+
+`rkdeveloptool wl {{initial_sector}} {{path/to/image.img}}`
+
+- Write to the flash partition by its user-friendly name:
+
+`rkdeveloptool wlx {{partition_name}} {{path/to/image.img}}`
+
+- [r]eset/reboot the [d]evice, exit from the Maskrom/Bootrom mode to boot into the selected flash partition:
+
+`rkdeveloptool rd`