Disk & Partition

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• Resize Partition and Filesystem with fdisk & resize2fs

Bash

mount -t ext4 /dev/sdb1 /data
mount | column -t             # 查看挂接的分区状态
fdisk                         # manipulate disk partition table
swapon -s                     # 查看所有交换分区
hdparm -i /dev/hda            # 查看磁盘参数(仅适用于IDE设备)
free -m                       # Display amount of free and used memory in the system
df -h                         # report file system disk space usage
lsblk                         # list block devices
resize2fs                     # ext2/ext3/ext4 file system resizer
e2fsck                        # check a Linux ext2/ext3/ext4 file system

磁盘格式化分区，并开机挂载：

• 查看磁盘
  Bash

  sudo fdisk -l
  

• 磁盘分区
  Bash

  sudo fdisk /dev/sdb
  

• 磁盘格式化
  Bash

  sudo mkfs.ext4 /dev/sdb1
  

• 开机挂载硬盘，在 /etc/fstab 中添加
  Bash

  /dev/sdb1 /dev_sdb ext4 defaults 0 0
  

• 建立软链接
  Bash

  ln -s /dev_sdb ~/dev_sdb
  

修改卷标名：

• 查看卷标

  Bash

  sudo blkid
  

• umount

  Bash

  sudo umount /dev/sdc1
  

• 修改卷标名

  Bash

  sudo e2label /dev/sdc1 "udisk_cg"     # ext2 or ext3
  sudo exfatlabel /dev/sdc1 "udisk_cg"  # exFat
  sudo ntfslabel /dev/sdc1 "udisk_cg"   # NTFS
  

• solve problem of "g++: internal compiler error: Killed (program cc1plus)"

  Bash

  # create swap space
  sudo dd if=/dev/zero of=/swapfile bs=64M count=16
  sudo mkswap /swapfile
  sudo swapon /swapfile
  
  # shut the swap space down
  sudo swapoff /swapfile
  sudo rm /swapfile