1.获取镜像
2.减小镜像体积
wget https://raw.githubusercontent.com/Drewsif/PiShrink/master/pishrink.sh
chmod +x pishrink.sh
sudo mv pishrink.sh /usr/local/bin
PiShrink 是一个 bash 脚本,可以自动缩小镜像大小,然后在启动时将其调整为 SD 卡的最大大小。
用法参数:
Usage: $0 [-adhrsvzZ] imagefile.img [newimagefile.img]
-s Don't expand filesystem when image is booted the first time
-v Be verbose
-r Use advanced filesystem repair option if the normal one fails
-z Compress image after shrinking with gzip
-Z Compress image after shrinking with xz
-a Compress image in parallel using multiple cores
-d Write debug messages in a debug log file
sudo pishrink.sh img_name.img
结果应当类似以下情况:
[user@localhost PiShrink]$ sudo pishrink.sh pi.img
e2fsck 1.42.9 (28-Dec-2013)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/loop1: 88262/1929536 files (0.2% non-contiguous), 842728/7717632 blocks
resize2fs 1.42.9 (28-Dec-2013)
resize2fs 1.42.9 (28-Dec-2013)
Resizing the filesystem on /dev/loop1 to 773603 (4k) blocks.
Begin pass 2 (max = 100387)
Relocating blocks XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Begin pass 3 (max = 236)
Scanning inode table XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Begin pass 4 (max = 7348)
Updating inode references XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
The filesystem on /dev/loop1 is now 773603 blocks long.
Shrunk pi.img from 30G to 3.1G
原文地址:https://blog.csdn.net/m0_56661101/article/details/129985594
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