Linux系统拓展内存
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今天再处理处理的时候，发现VMware虚拟机的内存用完了，报错提示The configuration defaults for GNOME power Manager have not been installed correctly please contact your computer administrator
一查原因，原来是内存满了。只好增加内存了。
1.在VMware里面拓展内存
这个看图就行了，在关机状态下，本来是10G，我加了10G
可是加了内存只好，还是报错了，加进去的内存并没有显示出来。
2.新建分区，挂分区
先取得su权限，然后输入【fdisk /dev/sda】 ，接着输入m，然后数据n新建分区
重启之后，输入fdisk -l可以看到刚才新建的分区是sda4已经新建好了。
在根目录新建文件夹 mkdir disk4，把新分区挂到这个文件夹下面 mount /dev/sda4 /disk4/
然后设置开启自动挂载 vim /etc/fstab在最后追加/dev/sda4 /disk4 ext2 defaults 0 0
接着输入df -hT可以看到挂载的分区了
可以通过du -sh *查看每个文件夹使用大小
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