NOTE1: In the above examples we added an extra parameter "toram=filesystem.squashfs" so that the partition /dev/sda4 won't be locked after booting GParted Live from hard disk. NOTE2: Remember to check parameters in syslinux/syslinux.cfg from the zip file, copy them to here. It might be different from here, say vmlinuz path maybe different.
Step1) Analyzing the firmware using binwalk shows starting address of squashfs filesystem. Thus I generated squashfs filesystem using "dd" linux utility. Step2) The analysis of generated filesystem using "binwalk ./fs.img" command shows: Squashfs filesystem, big endian, lzma signatrue, version 3.0, size: XXXXXXX bytes, XXX inodes, blocksize
by vgaetera. Expanding root partition and filesystem This article relies on the following: * Accessing web interface / command-line interface * Managing configs / packages / services / logs Introduction * This instruction expands OpenWrt root partition and filesystem on x86 target. * Follow the automated section for quick setup.
Create full MTD backup from OpenWrt. The method above works great, but only if you have root access to you router. In some cases when you don't have. MTD_DEV$ {REPLY}$ {REPLY} Now you'll be asked for. Self-registration in the wiki has been disabled. If you want to contribute to the OpenWrt wiki, please post in the forum or ask on. Generic NOR

Squashfs is a highly compressed read-only filesystem for Linux. It uses zlib compression to compress both files, inodes and directories. Inodes in the system are very small and all blocks are packed to minimize data overhead. Block sizes greater than 4K are supported up to a maximum of 64K. Squashfs is intended for general read-only filesystem

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how to open squashfs file