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userdoc:system-boot-process [2014/05/31 05:11] droemel |
userdoc:system-boot-process [2014/05/31 05:17] droemel |
Typing ''shell'' or ''ssh'' at the ''boot:'' prompt will still launch RUNNIX, but will signal it to not proceed to launch AstLinux but rather stop at a Linux shell prompt. | Typing ''shell'' or ''ssh'' at the ''boot:'' prompt will still launch RUNNIX, but will signal it to not proceed to launch AstLinux but rather stop at a Linux shell prompt. |
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!!Tip:!! You can hit 'SPACE' at the boot: prompt and it will wait without registering any keystrokes. | !!Tip ->!! Hit the space bar at the boot prompt to allow more time before typing ''shell'' or ''ssh''. |
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RUNNIX is a boot loader specifically for AstLinux, consisting of a very small Linux kernel, trimmed busybox and file utilities e2fsprogs and dosfstools. | RUNNIX is a boot loader specifically for AstLinux, consisting of a very small Linux kernel, trimmed busybox and file utilities e2fsprogs and dosfstools. |
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By default RUNNIX will execute a shell script to determine which AstLinux firmware image should be loaded and 'kexec' using it, thereby launching AstLinux. | By default **[[userdoc:tt_runnix|RUNNIX]]** will execute a shell script to determine which AstLinux firmware image should be loaded and 'kexec' using it, thereby launching AstLinux. |
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Alternatively, if ''shell'' or ''ssh'' was specified at the ''boot:'' prompt RUNNIX will not proceed to launch AstLinux but rather stop at a Linux shell prompt. An experienced administrator can perform low level diagnostics, possibly fix a damaged partition, or even install the FAT16 partition to an internal flash drive. | Alternatively, if ''shell'' or ''ssh'' was specified at the ''boot:'' prompt RUNNIX will not proceed to launch AstLinux but rather stop at a Linux shell prompt. An experienced administrator can perform low level diagnostics, possibly fix a damaged partition, or even install the FAT16 partition to an internal flash drive. |
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Launching the AstLinux kernel is last step to the boot process. An "initrd" is used to setup the unionfs/overlay file system. | Launching the AstLinux kernel is last step to the boot process. An "initrd" is used to setup the unionfs/overlay file system. |
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