android remount system

system文件夹下不能remount方法

1.cd proc

2.cat mounts  查看挂载地址

3.mount -o remount -rw /dev/block/platform/msm_sdcc.1/by-name/system 重新挂载

2|root@kingdomt:/proc # cat mounts
cat mounts
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,size=1443596k,nr_inodes=175238,mode
=755 0 0
devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,seclabel,relatime 0 0
selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
none /sys/fs/cgroup tmpfs rw,seclabel,relatime,size=1443596k,nr_inodes=175238,mo
de=750,gid=1000 0 0
tmpfs /mnt/asec tmpfs rw,seclabel,relatime,size=1443596k,nr_inodes=175238,mode=7
55,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,seclabel,relatime,size=1443596k,nr_inodes=175238,mode=75
5,gid=1000 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
/dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,seclabel,relatime,
discard,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,nosuid,no
dev,relatime,discard,noauto_da_alloc,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,seclabel,nosuid,node
v,relatime,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/persist /persist ext4 rw,seclabel,nosuid,
nodev,relatime,data=ordered 0 0
/dev/block/platform/msm_sdcc.1/by-name/modem /firmware vfat ro,relatime,uid=1000
,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=low
er,errors=remount-ro 0 0
/dev/fuse /mnt/shell/emulated fuse rw,nosuid,nodev,relatime,user_id=1023,group_i
d=1023,default_permissions,allow_other 0 0
/dev/fuse /storage/emulated/legacy fuse rw,nosuid,nodev,relatime,user_id=1023,gr
oup_id=1023,default_permissions,allow_other 0 0
cgroup /sys/fs/cgroup tmpfs rw,seclabel,relatime,size=1443596k,nr_inodes=175238
0 0
cpu /sys/fs/cgroup/cpu cgroup rw,relatime,cpu 0 0
root@kingdomt:/proc # mount -o -remount
mount -o -remount
Usage: mount [-r] [-w] [-o options] [-t type] device directory
1|root@kingdomt:/proc # mount -o remount -rw /dev/block/platform/msm_sdcc.1/by-n
ame/system
lock/platform/msm_sdcc.1/by-name/system                                       <
root@kingdomt:/proc # cd ..
cd ..
root@kingdomt:/ # cd /system
cd /system
root@kingdomt:/system # cd app
cd app
root@kingdomt:/system/app # ls
ls
AntHalService.apk
AppMonitor_signed.apk
BasicDreams.apk
BatteryWarnings.apk