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→Method to manually expand the capacity of rootfs partition in TF card
=== Method to manually expand the capacity of rootfs partition in TF card ===
{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''If the total capacity of the TF card is large, such as 128GB, and you do not want the rootfs partition of the Linux system to use all the capacity of the TF card, you only want to allocate a part of the capacity, such as 16GB, to the Linux system, and then the remaining capacity of the TF card can be used for other purposes. use. Then you can use the content introduced in this section to manually expand the capacity of the rootfs partition in TF.'''</big>|}
<ol style="list-style-type: decimal;">
<li><p>First, burn the Linux image of the development board into the TF card on the '''<span style="color:#FF0000">Ubuntu computer</span>''' (Windows is not available), and '''<span style="color:#FF0000">then unplug and insert the TF card again</span>'''.</p></li>
<li><p>Then the Ubuntu computer will usually automatically mount the partition of the TF card. If the automatic mounting is normal, use the ls command to see the following output.</p>
{| class="wikitable" style="width:800px;"
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<p>test@test:~$ '''ls /media/test/opi_root/'''</p>
<p>bin boot dev etc home lib lost+found media mnt opt proc root run <br> sbin selinux srv sys tmp usr var</p>|}</li>
<li><p>Then switch the current user to the root user on the Ubuntu computer</p>
{| class="wikitable" style="width:800px;"
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<p>test@test:~$ '''sudo -i'''</p>
<p>[sudo] test 的密码: 的密码：</p><p>root@test:~'''<span style="color:#FF0000">#</span>'''</p>|}</li>
<li><p>Then enter the root directory of the Linux system in the TF card and create a new file named '''.no_rootfs_resize'''</p>
{| class="wikitable" style="width:800px;"
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<p>root@test:~# '''cd /media/test/opi_root/'''</p>
<p>root@test:/media/test/opi_root/# '''cd root'''</p>
<p>root@test:/media/test/opi_root/root# '''touch .no_rootfs_resize'''</p>
<p>root@test:/media/test/opi_root/root# '''ls .no_rootfs*'''</p>
<p>'''.no_rootfs_resize'''</p>|}</li></ol>
<ol start="5" style="list-style-type: decimal;">
<li><p>Then install the gparted software on your Ubuntu computer</p>
{| class="wikitable" style="width:800px;" |-| <p>test@test:~$ '''sudo apt install -y gparted'''</p>|}</li>
<li><p>Then open gparted</p>
{| class="wikitable" style="width:800px;" |-| <p>test@test:~$ '''sudo gparted'''</p>|}</li>
<li><p>After opening gparted, you can select the TF card in the upper right corner, and then you can see the usage of the TF card capacity. The picture below shows the situation of the TF card after burning the Linux desktop system. It can be seen that although the total capacity of the TF card is 16GB (displayed as 14.84GiB in GParted), the rootfs partition (/dev/sdc1) Only 4.05GiB is actually allocated, leaving 10.79GiB unallocated</p>
<p>[[File:zero2w-img86.png]]</p></li>
<li><p>After setting the capacity, click '''Resize/Move''' in the lower right corner.</p>
<p>[[File:zero2w-img93.png]]</p></li>
<li><p>After final confirmation, click the green '''<span style="color:green">√</span>''' shown in the picture below.</p>
<p>[[File:zero2w-img94.png]]</p></li>
<li><p>Then select '''Apply''', and the capacity expansion of the rootfs partition will officially begin.</p>
<p>[[File:zero2w-img96.png]]</p></li>
<li><p>Then you can unplug the TF card and insert it into the development board to start. After entering the Linux system of the development board, if you use the '''df -h''' command to see that the size of the rootfs partition is consistent with the size set previously, it means manual Expansion successful</p>
{| class="wikitable" style="width:800px;"
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<p>root@orangepi:~# '''df -h'''</p>
<pspan style="margin-right: 80px;">Filesystem </span><span style="margin-right: 50px;">Size </span><span style="margin-right: 30px;">Used </span><span style="margin-right: 30px;">Avail </span><span style="margin-right: 50px;">Use% Mounted on</pspan><br><pspan style="margin-right: 110px;">udev </span><span style="margin-right: 60px;">925M </span><span style="margin-right: 50px;">0 </span><span style="margin-right: 70px;">925M </span><span style="margin-right: 90px;">0% /dev</pspan><br><pspan style="margin-right: 100px;">tmpfs </span><span style="margin-right: 50px;">199M </span><span style="margin-right: 30px;">3.2M </span><span style="margin-right: 70px;">196M </span><span style="margin-right: 90px;">2% /run</pspan><br><pspan style="margin-right: 25px;color:#FF0000">'''/dev/mmcblk0p1 '''</span><span style="margin-right: 50px;color:#FF0000">'''7.7G '''</span><span style="margin-right: 35px;color:#FF0000">'''3.2G '''</span><span style="margin-right: 80px;color:#FF0000">'''4.4G '''</span><span style="margin-right: 90px;color:#FF0000">'''42% /'''</pspan><br>|}</li></ol>
<span id="method-to-reduce-the-capacity-of-rootfs-partition-in-tf-card"></span>
=== Method to reduce the capacity of rootfs partition in TF card ===
