Tiny core linux dd

Tiny core linux dd. gz tinycore on usb memory Apr 1, 2015 · So from what I understand, and correct me if I am wrong here, each time the PC boots up the Linux Kernal and Core. The Core Project, as suggested by our name, is not a turnkey desktop distribution. Dec 10, 2020 · Welcome to TC forum. Although it's written on many websites that this should work with dd / ddrescue, I cannot finish the execution: Re: request for extension: shred (wiping hard drive) to wipe the entire disk. You may be able to read from it, but the firmware will refuse to boot from iso9660. For UEFI you should use x86_64 version of grub2, just follow the instructions in the grub2-multi. Install Tiny Core without a CD or DVD Drive. If you're lazy, you can just dd the ISO to your USB. After this put the sd card into your Raspberry Pi and it'll boot Tiny Core Linux with an SSH server running so that you can access it remotely Along equipped this full version, there is einer even more stripped-down version called Micro Core, which weighs in at less than 7MB. /mnt/sda1/tc. Copy the file “grldr” at the root of that partiton. Once you've done this use Super Grub Disk to restore the Windows bootloader to the MBR and when you need to access the Linux partition, use Super Grub Disk again. efi file in my boot Jan 22, 2017 · 2. Start the installer. iso'", but dd says "Input/output error", the mount tool won't mount it Sep 21, 2022 · Install Tiny Core on a USB Drive with Internet. Launch the Grub Menu BareMetal must select the first USB boot menu. The Modes of Operation mix up how Tiny Core Loads, Mounts, and Installs at boot time (see Philosophies, above, if you want to clarify what those three things mean here). Extract the contents (copy both “BOOT” & “CDE” directories) of either Tinycore/CorePlus ISO to the USB Drive. gz over the old one. 0 on harddrive using the install routine, I kept getting command promt only at boot up (i. There are scenarios where it's better to specify the USB thumb drive by UUID (or Label) First identify your USB drive (often /dev/sdb1) If necessary load util-linux extension tce-load -wi util-linux. Select Tiny Core. wireless-<KERNEL>-tinycore. Dec 19, 2017 · No problems with TC and busybox dd, fdisk and md5sum! According to the method above, my 512mb flash card (which I paid $1-per-MB for back in the day) passes! At that price, I *have* to hang on to it. Jul 6, 2020 · Hi @Rich Based on my understanding how things should be, I tried making a custom OS by using bits from piCore11 I mounted both the partitions from the img file, took a look at all the files and then copied over certain files from first partition to a `custom` directory and tce folder from second partition along with X-org tcz files that I downloaded using the bash script you gave me earlier. 2015/11/29更新. I was wondering to make this permanent on Tiny Core Linux so I don't have to re configure it again every time I reboot this machine. img of=/dev/sdb bs=1M Tiny Core is a Linux distro developed by Robert Shingledecker, lead developer of the former distro, Damn Small Linux. Installation. Select from the list, e. Running this combination once is the equivalent of a Sep 9, 2023 · I've been trying to install Tiny Core as my main operating system via USB. For more details, use ls -l-l stands for long. Sep 21, 2022 · Down-load all the 'wireless*' files from the 'sce/'-folder at the download repository into 'tce/sce'. sce consists of drivers for wireless radios whereas wireless consists of the necessary utilities like 'iwconfig' etc. tcz. Just as Tiny Core is essentially Micro Core with additional extensions and a graphic environment, dCore also has a minimal base that is capable of importing extensions and booting into a graphic environment. | wireless_tools. 2) Not knowing that the iso will not be recognized as a valid boot device by a modern 64-bit uefi-only machine, blames uefi and/or secure boot instead, which is not the problem. The list on the left side should now be populated. tcz | gives you iwconfig and other tools |. The recent announcement of piCore Linux 7. Feb 1, 2017 · I takes more time to copy-and-paste the dd command than it takes for dd to finish writing to the sdcard. Or you could combine using /dev/urandom and /dev/zero so that you first fill the disk with random bits (once or more times) and then zero it all out. 3. The TC specific patches are in the sub-dirrectory and the sources already patched are in the "big file". Jun 25, 2019 · Without a GUI, Tiny Core runs well on a mere 64MB of RAM. lst” at the same place containing this: Nov 14, 2021 · To allow for easy copy the ISO, the ISO root must have an /EFI/BOOT/BOOTX64. This is a Learning by doing module. It is OK for initial run in cloud mode, you can create additional partitions (ext4 for /tce and swap) later. Browse to your ISO and select it. Based on Micro Core, dCore shares the same basic concepts and a similar minimal base. The last selected menu will be stored and used for the next boot. e. Aug 6, 2011 · Team Tiny Core is pleased to announce the release of Tiny Core 3. However, in the BIOS settings, no USB is showing up as a boot option. Since it doesn't depend on X, the open-vm-tools extension is ideal for Micro Core. , cfdisk. 0 Sep 21, 2022 · You create the first stage boot loader on a Linux system running bootlace. DD works (with an hybrid ISO- hybrid means boot both BIOS/UEFI) only for a MBR HDD/USB. 9. Obviously, you need a bootloader to boot. 2. 2 in order to mount in a VM. Download latest Tinycore/CorePlus ISO. 対応バージョン: 6. Jan 16, 2022 · no GUI on CorePlus (SOLVED) « on: January 16, 2022, 11:53:08 AM ». Within the USB drive, rename the directory “cde” to “tce”. Tiny Core Linux には以下の3種類があるが、ここでは一番最小のCoreをインストールする手順を示す。. swp). no GUI). To run the installer, click TC-Install in the wbar or menu. Sep 21, 2022 · Tiny Core Linux Forum. Oct 28, 2010 · Once this is done, the next time you want to upgrade, you just copy new versions of those two files to replace the existing ones. I have a fairly Re: TinyCore Linux not detecting my HDD after install and reboot. Go to the end of the list and choose “Try Some Other Live Linux ISO”. If you are trying to burn the release iso's, and they don't work on modern machines with simple DD or other gui burners Sep 14, 2015 · using isohybrid to create an iso that I can either create a bootable cd, or dd to a flash drive Tiny Core Linux » Tiny Core Base » TCB Q&A Forum » dd or fstab do not work properly At some point i have to use the command "dd if=noogie. gz - this is the foundation for user created desktops, servers, or appliances. No problems. ALSA & gst-plugins-* recommended for mixer and desktop sounds. That is all. This is not changeable because Acer only has UEFI as an option. Then navigate the menus as usual. EFI (no embedded config is need) and you COPY the iso into an ESP partition. 8. Jun 21, 2022 · TinyCore is a x86 Linux distribution that's extremely small and runs primarily from memory. Tiny Core Linux is a 16 MB graphical Linux desktop. It is unfortunate that I am limited in comprehension, and time. cfg and I manually placed a boot_86x. Redo the install and have it format your drive. img of=/dev/sdb bs=1M Apr 10, 2022 · The next time TinyCore Linux starts for correction, the setting value will be restored from the mydata. Then; blkid -s UUID /dev/sdb1 /dev/sdb1: UUID="B854-8FE0" However, in the BIOS settings, no USB is showing up as a boot option. So I'm trying to use Tiny Core Linux on my mom's really, really slow laptop to create an iso of an audio CD so I can process it on my cd drive-less newer computer. I have tried using dd and Unetbootin to load the iso file to my USB, and I've even manually configured a bit of the grub. 1. Typically bzImage only changes between major versions of tinycore, so you only have to replace tinycore. 0 & rebuilt gnome-settings-daemon and gnome-applets. Enter a VM name, and select OS Type Linux version Linux 2. 2) Windows: Etcher no problem. tc@Core1:~$ alias i. And copy the tinycore-iso file to that same place and rename it to “tinycore. 0-x86_64. -Added libxklavier-4. pendrive and was able to boot it successfully. I've been trying to install Tiny Core as my main operating system via USB. It will invite you to choose a distro ISO from the drop-down menu. 1. At the boot: prompt, type. 1-13 for FAT, 13-something for EXT) when DD'ing the Pi7 SSH image which flagged Fdisk errors saying logical sector and physical sector counts mis-matched, which got me to wondering if I'd have problems later down the road. tce-load -wi tc-install-GUI. Install Tiny Core if you already have Windows. flg/lst. Installing Tiny Core is easy, once you download the tc-install or tc-install-GUI application using the Apps icon in the launcher bar at the bottom of the screen. If you do so, you need to add the from=/mnt/sdb2 cheatcode to the porteus-v4. Jan 23, 2022 · Tiny Core Linux is probably the smallest Linux distribution available. Sep 21, 2022 · title Core kernel /boot/vmlinuz loglevel=3 waitusb=5 initrd /boot/core. Aug 14, 2019 · I want to use TC to simply run from a USB stick and erase any partitions that exist on a connected hard disk (fdisk -l shows it as /dev/sdb, make 2 new Linux partitions and exit (or loop indefinitely). a) Copy the EFI, boot and porteus folders onto the FAT32 partition. Select the location of the tinycore. The core runs entirely in memory and boots very quickly. 0 caught my eye -- I Sep 9, 2023 · Troubles with starting install on CorePlus. ls stands for list. This is going to be a tiny post (pun intended). Tiny Core Linux是一个超小型的便携式Linux操作系统，可从CDROM、U盘或硬盘中启动，全部或主要部件运行于RAM中。用户加装的软件有三种模式： 云模式：启动Tiny Core Linux并连接到互联网后，用户可以通过称为appbrowser的软件包管理器从在线软件源下载需要的软件。下载 Tiny Core Linux では、起動の段階でシステムをメモリへ読み込み、終了の段階でファイルへ保存を行う Frugal を採用している。 これにより稼働中のディスクアクセスを少なくし、高速化を実現できるメリットがある。 Sep 21, 2022 · Method 1: VBox Boot from Mounted Tinycore ISO. UEFI is the only option available (Legacy is not available, nor are there any other options). Tiny Core Linux ( TCL) is a minimal Linux kernel based operating system focusing on providing a base system using BusyBox and FLTK. Hi! I have dd-ed the CorePlus-12. Tiny Core has three main Modes: Default Mode: Cloud/Internet. 640x480x16. 1) Download your favorite iso and stash it somewhere. If tinycore. make /etc/fstab persistent: now you can connect to wifi from terminal text mode: sudo wifi. Create a file “menu. Download Tiny Core and write it to a thumb drive with dd or Etcher. Dec 15, 2015 · I kept getting overlaps (Sect. Mar 29, 2018 · Using dd to 'burn' an iso to a usb drive creates an iso9660 filesystem of the entire device which is read only and you can't create a TCE directory on it or write any new files or directories to it. Instead we deliver just the core Linux from which it is quite easy to add what you want. No problem. You can leave out the 32 bit legacy options, since uefi-only hardware (which actually breaks the specs for uefi and Join the discussion, questions and news about one of the most modular, lightweight and flexible Live Linux distribution. Author Topic: Time Zone in TinyCore, either local time or UTC (Read 13472 times) Oct 12, 2023 · Don't even think of doing a simple "dd" or using etcher or the like to burn this iso as it appears as an iso9660 format. It starts with a recent Linux kernel, vmlinuz, and our root filesystem and start-up scripts packaged with a basic set of kernel modules in core. Mar 25, 2023 · - I try to boot it fro USB on my Acer laptop (aspire 1, pentium n5030) Oct 8, 2022 · Initial Preparation. add x windows: tce-load -wi Xprogs. Currently it contains way more modules than needed for base. Logged. Tiny core uses /dev/loopXX, as a psudo or virtual device, for each loaded program, lib or extension in memory. cfg file. I already downloaded the InstantCore image. The project also has a few spinoffs that runs on x86_64 (amd64), ARM, and ARM64 architectures. Core (11MB) is simply the kernel + core. Coreであっても必要に応じてパッケージを追加していくことで機能追加が可能である Feb 17, 2021 · I'm grateful for Tiny Core Linux for so many reasons. Parted Magic contains GParted, and may be used for partitioning. 0. I have a Debian based distro, yeah. mmcblk0) correct so you don't overwrite the wrong disk! Tip: you can see where dd is up to by sending it a signal: sudo kill -SIGUSR1 `pgrep -f mmcblk0`. iso to a pendrive, booted and installed it onto another. Tinycore runs quite happily here on a (virtual) machine with 20 MB RAM. Jan 1, 2012 · To overcome these problems and to offer a fast and easy route to get started with (Tiny) Core Linux I wrote a dedicated Windows USB installer, core2usb. By using ddrescue (syntax: ddrescue -S /dev/sda1 /dev/scc1/partition. Install Tiny Core on a USB Drive without Internet. Jan 12, 2017 · When tiny core is up and running you can use df to see the programs that resides in memory. We offer 3 different x86 "cores" to get you started: Core, TinyCore, and our installation image, CorePlus. dd doesn't know the "conv=sparse" operator (and without this, the img file would be as big as the whole partition to clone) 3. 1 and I updated the modules. To view all files, including hidden files use The Start Button is just a way to bring up the menu. Now you can use this manually built system to boot on your laptop using the distribution files, rather than the iso's. Sep 21, 2022 · To list the contents of a directory, open the terminal and type ls. . Show us your personalized set of packages and what use do you give to your tinycore installation. Not used for chromebook. Place the installer in the same folder as the ISO image. 1 shell (the double prompt bug), In cases where users can not remaster the iso (for what-ever reason, such as their vps host only allowing official distribution media, or simply because they find it complicated enough already to just dd the iso onto their usbstick), I see no way how to replace I have an Acer Nitro AN515-54. 2) OR, the people likely to install Unix may not have their wizard-hats on, and also have been working on systems for a decade prior, and IF / OF was the safer bet. Description: GNOME Desktop for Tiny Core Linux. The first USB menu will be automatically selected. bin suffix, and using the Chromebook's own restore utility, it burned dCore just fine and booted on my pc of course. Aug 15, 2015 · This display supports 1920x1080x32 @60Hz (on Windows, anyway) but TC does not seem to recognise this - here is the output when I run Xvesa from the control panel: Code: [Select] Tiny Core Linux - Xvesa Resolution Setup. tc@Core1:~$. May 20, 2010 · gnome-destkop-base. It is being developed by Robert Shingledecker (of Damn Small Linux fame) as "a nomadic ultra small desktop capable of booting from cdrom, pendrive, or frugally from a hard drive". I'd like to create a partiton image of my win partition via TC 7. Welcome, Guest. sh. It is based on a recent Linux kernel, BusyBox, Tiny X, Fltk, and Flwm. This version provides a command-line interface for whole of you text aficionados. Then I booted it again and installed it to an empty already ext4 formatted partition on a Toshiba external disk, where I have a few Linux Sep 21, 2022 · dCore vs Tiny Core Extensions. 2 - portable, no Windows installation needed - safe - preservs original boot options Jan 19, 2016 · Tiny Core Linux now runs on the Raspberry Pi 1 and Pi 2 (pictured above) hardware. It sounds like it was not formated. I'm not trying to run tinycore down, I plan to try it out in the future, but there is little that I have found to help me set up piCore. Mount Mode: TCZ/Install. Whichever partitioning program you use, create appropriate partitions for the operating systems you want to install. You can manually uncompress tinycore. gz file. img) the program tells me that this is not a directory. Although the Damn Small Linux site is now dead, you can still find active ISOs Oct 20, 2013 · Doesn't matter how SD card partitioned, dd will overwrite partition table with a new one containing only one 40M Win95 FAT32 (type 0x0c) partition with RPI boot files, firmware and Core kernel plus initrd. Apr 7, 2020 · 1) Op is running a modern machine, and expects that a 64-bit iso will boot using normal procedures (be it dd, or other burners) like the rest of the linux community does. tcz Tiny Core and games. With help, we can remedy this. The vmmemctl driver, although no longer This syncs with x86 Core's base v4. On most modern uefi-only hardware, if it recognizes an iso9660 format, it will refuse to boot from it. Tiny Core Linuxインストール手順 (Core) 15. Start VirtualBox, click on New, which will start the New Virtual Machine Wizard, and click Next. x alpha from the same USB thumb drive. 36. To upgrade minor version, just copy the new core. But I left them in for now to hopefully help testing. Quote. You can repeat the process n-times, where n = your comfort level. i=’ifconfig | grep dd’. Install Tiny Core with a Partition for Sharing Files. It is my hopes that this post gets clearance from the audience that has more familiarity with linux and tiny core. tgz file. Key features: - designed exclusively for Tiny Core Linux - supports TC 4. Click on the Mount Tool. gz from the CD-ROM onto your harddisk, and boot that. format drive with Fat32, assign letter with “X” to the USB drive. iso is used, download the tc-install- GUI extension. Aug 12, 2013 · Hi all, I’m trying to setup a basic networking lab with Tiny Core Linux in VirtualBox. Download the latest multicore iso from one of the mirrors, and write it to a CD. Jul 11, 2020 · However, if you have two usb sticks, you can dd the TinyCore/CorePlus iso to one on Raspbian, boot from it, and install to the other. Manually Install Tiny Core on a Hard Drive with Internet. x series including 4. Select how much memory you want to use, remembering that TinyCore caches Mar 2, 2016 · Hello, So I'm trying to use Tiny Core Linux on my mom's really, really slow laptop to create an iso of an audio CD so I can process it on my cd drive-less newer computer. Most Linux distributions have partitioning programs which are run during installation. Copy Mode: TCZ/Install + copy2fs. « Reply #1 on: October 29, 2013, 12:50:19 PM ». fdisk -l shows /dev/sda1 id 83 system linux. I will learn to use DD, I don't want to bother you with it. It was developed by Robert Shingledecker, who was previously the lead developer of Damn Small Linux. tcz first, and iwlwifi. Tune in! Have fun! Be well, do good work and keep in touch! -Team Tiny Core. Feb 22, 2024 · What precisely is the issue if I may ask? What are the 'app links' ? As for the broken busybox 1. 4. I’ve setup all necessary routing configurations, unfortunately, Core_1 still unable to communicate with Core_3. Thanks in advance « A Simple Download Howto Using Apbrowser. Ask any question regarding the installation of tinycore in a usb stick or hard disk for your desktop, netbook, appliance, or server. Re: DD command used to backup; Is it backing up useless garbage!? « Reply #1 on: August 31, 2021, 09:15:40 AM » do you mean the /usr/bin/backup command (which is /usr/bin/filetool. info file. Download the ISO of your choice (TinyCore, CorePlus, or Core). Rufus with gpt and dd options. Hi all, I’m trying to setup a basic networking lab with Tiny Core Linux in VirtualBox. sh -b) because if so, those tools use tar and gzip to coalesce and compress the backed up content - and logically so - in its reading off the filesystem the data Tiny Core Linux. The common ones are GRUB2 and Syslinux. 8 The Core Project is a highly modular based system with community build extensions. Don't even think of doing a simple "dd" or using etcher or the like to burn this iso as it appears as an iso9660 format. Jul 27, 2020 · 1) Maybe they were used to this syntax from using dd on other systems well before Unix, like a decade or more and just were comfortable doing it this way. iso”. [2] [3] The distribution is notable for its small size (11 to 16 MB) and minimalism; additional Feb 22, 2024 · What precisely is the issue if I may ask? What are the 'app links' ? As for the broken busybox 1. 1 shell (the double prompt bug), In cases where users can not remaster the iso (for what-ever reason, such as their vps host only allowing official distribution media, or simply because they find it complicated enough already to just dd the iso onto their usbstick), I see no way how to replace Sep 21, 2022 · This method has been tested under Windows XP with tinycore_3. 4) Macintosh - I'm sure dd would work. Feb 8, 2024 · when I originally tried to install tiny core 14. Recently, I created a live bootable USB for CorePlus-current (this is Tiny Core Linux Plus). iso. tc-install. Tiny Core Linux. sys). After I formatted the partition to fat32 and using DD to copy from the USB stick to the harddrive partition I booted with the GUI desktop (progress) but then I could not seem to save my extensions Tiny Core Linux » Tiny Core Base » TCB Q&A Forum » dd or fstab do not work properly At some point i have to use the command "dd if=noogie. Re: How to find out which tinycore version i am using? The command is 'version'. Sep 21, 2022 · Step By Step - Simple. (1) The kernel config files are here. Format the USB drive. com: (like /dev/sdb, not /dev/sdb1) 2. I'm sure you could somehow wrangle a manual install from ARM linux too, but it may be difficult. efi file in my boot directory - but when it boots using the efi file it doesn't start the installation script, it just boots me into a $ terminal. To install into the file system, click the Go button located in the bottom left corner. (2) I assume what you mean with "TinyCore ramdisk contents" is the content of the initrd (igoring the fact that files restored from backup and extensions loaded later on also become part of the ramdisk). IF you DD the iso on an HDD you destroy HDD GPT disk type. Dec 29, 2019 · 1) dd from unix. x, 9. gz file are copied from the boot partition and run on your Memory? Jan 5, 2016 · A swap file can be created with Tiny Core's Swapfile tool (f. Mar 2, 2021 · Re: UEFI - boot on new UEFI irmware. -Added nautilus-python for eog-plugins integration. Mar 18, 2010 · My advice is to install a small distro such as Tiny Core Linux or Damn Small Linux. There are seven extensions: open-vm-tools-x, -dev, -modules: tools built with X support and a total of 37 dependencies. Make sure you get your sd card's device (e. g. As Tiny Core uses FLWM Window Manager, right click anywhere on the background or window title of the screen to bring up the menu. Click on the wbar icon Apps (or access the right-click menu on the desktop and select Appbrowser ) Click on Connect. 640x480x24. (The USB should be bootable now, but the installation is incomplete) Sep 21, 2022 · GParted can be installed in Tinycore, and used for partitioning. This means the system can been exceedingly fast real responsive. tc@Core1:~$ i. This extension is PPI compatible. It provides kernel modules such as the vmxnet driver for the "Flexible" adapter used by VMware Player. It is detecting your HDD. So the booting of the iso9660 filesystem and leaving it unmounted makes sense. If I understand correctly, DD has an option to "install" that image to a plugged HDD? Tiny Core Linux » Tiny Core Extensions » TCE Q&A Forum » how to install bootloader lilo or grub with tinycore after i download some distro iso i use dd for FOR EFI SYSTEMS: Ensure the first partition is of type FAT32. This swap file will then be used (also across boots if specified via swapfile= boot code) like Windows uses a swap file (pagefile. tcz if it doesn't install it as a dependency). The TinyCorePure64 iso's do NOT boot on modern "uefi only" hardware. 3) Chromebook: renaming the dCore iso to a . Manually Install Tiny Core on a Hard Drive Hi all, ifconfig is a temporary solution to set an ip address to linux/unix. Feb 17, 2021 · Team Tiny Core is proud to announce the release of Core v12. If that doesn't work, try again, but this time when the window pops up, try using the "dd" method. This extension depends on Xorg. Put the multicore CD in the drive, and restart the computer, so it runs Tinycore with grub4dos. Boot tinycore and install the needed wireless packages if you haven't already (if you have an Intel wireless card, you need to install firmware-intel. gz. If you need NDISwrapper for using Windows-drivers then also down-load those files. Another option is to click the Run icon, and type. The user has complete control over which applications and/or additional hardware to have supported, be it for a desktop, a nettop, an appliance or server; selectable Tiny Core Linux („Тайни Кор Линукс“, TCL) е лека операционна система, основаваща се на GNU/Linux, която се съсредоточава върху предлагането единствено на базова операционна система, използвайки BusyBox (по Sep 21, 2022 · Run the Installer. The Tiny Core Linux forum provides up to date information and is the place to ask questions about any issue related to Core, including Core, TinyCore, CorePlus, CorePure64, TinyCorePure64, piCore, dCore x86 and dCore-Arm. In particular, thank you for: - Your conservative approach to new releases (update key infrastructure + fix small issues), as it tends to cause zero breakage for users - Your serious and ongoing committment to minimalism and Unix philosophy Long live Tiny Core Linux! Sep 21, 2022 · Option 3: Install Tinycore in the Windows partition. Probably a security issue. « on: September 09, 2023, 12:30:54 PM ». I never used DD before, I'm a beginner in Linux world haha, but it will be my next try. The default option is to select your downloaded iso, and it will burn it with the cd type iso method and the legacy mbr. They have intentionally removed legacy as an option (or any other options Jan 2, 2019 · However I use Grub2-multi from the corepure64 repo, to multi boot Corepure64 and TinyCore32 in all TC versions 8. If you decide not to select anything and want the menu to go away, then left click on the background. Its main appeal is its small size, modularity, and simplicity. You may create a second partition with a linux filesystem for the porteus folder. IP Setting. Ideally, this would be done with "dd if=/dev/sr0 | bzip2 -c | ssh user@address 'bzip2 -d | dd of=cd1. 16 MB RAM was however not enough. I must say that I have done my youtube research, I have read all of the core concepts, I have looked through the wiki. You should also check for updates in Apps. Secure boot and fast boot are both disabled. 6. Tiny Core is designed to be run completely, or partially, from RAMP. x and now 10. hy mh ls qx wi le zm rb le lb