Tag：Disk partition
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Time：2021-9-7
Series catalog Preface preparation BIOS boot to real mode GDT and protection mode On virtual memory Load and enter the kernel Display and print Global descriptor table GDT Interrupt processing Virtual memory perfection Implement heap and malloc First kernel thread Multithreading operation and switching Lock and multithreading synchronization Enter user status Process implementation system call […]
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Time：2021-9-5
Command introduction The cfdisk command can be used to display information about the disk partition table. Its function andfdiskThe same, but it has a text-based “graphical” interface, which is more intuitive, easy to use and convenient in operation and visualization. The above is the graphical interface of cfdisk Syntax format cfdisk [-agvz] [-c cylinders] [-h heads] [-s sectors-per-track] [-P opt] [device] Option description -a # […]
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Time：2021-7-25
Because I was interested in deepin system a few days ago, I brushed the standby machine as deepin on a whim. However, I still relied too much on the software under windows and had to brush it back to win10 However, because the disk format supported by Linux is different from that of windows, it […]
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Time：2021-5-31
1: Prepare the docker configuration repository before installing docker (installing Yum utils is to provide a Yum config manager unit, and the device mapper persistent data and lvm2 installed at the same time are used to store device mapper) device mapperDevice mapper is a general device mapping mechanism supporting logical volume management in linux2.6 kernel. […]
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Time：2021-1-14
Sometimes we may find that the actual displayed disk capacity in the computer is smaller than the marked disk capacity. In this case, it is likely that the computer disk contains hidden partitions. Most brand computers will have a hidden partition when they leave the factory. So, how do we check whether the computer disk […]
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Time：2020-3-6
How to use MAC partition encryption? For many Mac users with a bear child in their home, setting up a guest account is not enough. Although it can protect your system disk, it has no protection for other hard disk partitions. At this time, the partition encryption function can be used. Here’s how to set […]
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Time：2020-2-10
1. Disk storage There are two main types of disk partitions: The maximum partition of MBR is no more than 2T, and a hard disk can have at most 4 primary partitions, or 3 (primary) + 1 (N logical partitions under expansion); GPT supports 128 partitions, all of which are primary partitions; 2. To create […]
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Time：2019-11-13
Ansible, playbook, huaweiyun, CEPH First, purchase the virtual machine needed to build the CEPH cluster on Huawei cloud: Then purchase the storage disk required by CEPH Mount the purchased disk to the virtual machine used to build CEPH Installing ansible on the springboard machine Check the ansible version and verify […]
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Time：2019-9-5
In Linux, there is no concept of disc character. The device name is used to access the device. The device name is stored in the / dev directory. The SD, SAS and SATA hard disks mentioned above all belong to SCSI interface type. They are identified by SD in Linux, while IDE hard disks belong […]
