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cmd:imgfetch [2012/11/20 00:37] mcb30 |
cmd:imgfetch [2016/02/17 11:06] robinsmidsrod Added info about mode parameter |
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===== Synopsis ===== | ===== Synopsis ===== | ||
- | imgfetch [--name <name>] <uri> [<arguments>...] | + | imgfetch [--name <name>] [--timeout <timeout>] <uri> [<arguments>...] |
or | or | ||
- | module [--name <name>] <uri> [<arguments>...] | + | module [--name <name>] [--timeout <timeout>] <uri> [<arguments>...] |
or | or | ||
- | initrd [--name <name>] <uri> [<arguments>...] | + | initrd [--name <name>] [--timeout <timeout>] <uri> [<arguments>...] |
===== Examples ===== | ===== Examples ===== | ||
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===== Description ===== | ===== Description ===== | ||
- | Download an image from the specified URI. A name for the downloaded image can be specified using the ''%%--name%%'' option. Any remaining arguments will be passed directly to the image. | + | Download an image from the specified URI. A name for the downloaded image can be specified using the ''%%--name%%'' option. A download progress timeout can be specified (in milliseconds) using the ''%%--timeout%%'' option. Any remaining arguments will be passed directly to the image. |
If this command is executed from within an iPXE [[:scripting|script]], then the URI will be interpreted as being relative to the URI of the script itself. For example, if the script ''%%http://boot.ipxe.org/demo/boot.php%%'' contains the line | If this command is executed from within an iPXE [[:scripting|script]], then the URI will be interpreted as being relative to the URI of the script itself. For example, if the script ''%%http://boot.ipxe.org/demo/boot.php%%'' contains the line | ||
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===== Notes ===== | ===== Notes ===== | ||
- | The commands ''imgfetch'', ''module'', and ''initrd'' are identical. | + | There is no difference between the commands ''imgfetch'', ''module'', and ''initrd''. |
When booting a Linux kernel, any argument supplied to the ''initrd'' command will be used as the pathname for that image within the initial RAM filesystem. For example, if you have the script | When booting a Linux kernel, any argument supplied to the ''initrd'' command will be used as the pathname for that image within the initial RAM filesystem. For example, if you have the script | ||
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kernel /boot/vmlinuz-2.6.31 | kernel /boot/vmlinuz-2.6.31 | ||
initrd initrd.img | initrd initrd.img | ||
- | initrd /modules/2.6.31/e1000.ko /lib/modules/e1000.ko | + | initrd /modules/2.6.31/e1000.ko /lib/modules/e1000.ko mode=644 |
boot | boot | ||
- | then the file ''initrd.img'' will be treated as a normal initramfs filesystem image, and the file ''e1000.ko'' will appear as an extra file ''/lib/modules/e1000.ko'' within this filesystem. | + | then the file ''initrd.img'' will be treated as a normal initramfs filesystem image, and the file ''e1000.ko'' will appear as an extra file ''/lib/modules/e1000.ko'' within this filesystem. The optional ''mode'' parameter can be used to change the file mode from the default 644 to 755 (useful for binaries that need to be executed). |