升级后,Ubuntu启动到“只读文件系统”

我最近升级到15.04,但是当我的计算机重新启动时,它无法启动到gui并说这是一个“只读文件系统”我遇到了这个

升级后,Ubuntu在只读文件系统中启动!

并运行此命令mount

-o remount,rw / 

它启动到gui,但它极其缓慢和波涛汹涌我怎么能解决这个问题

我读过这篇文章

http://www.randomhacks.co.uk/read-only-file-system-after-upgrade-from-ubuntu-14-10-to-ubuntu-15-04/

说我必须编辑一个fstab,我该怎么做?

使用live-dvd / usb启动计算机。

负载打开终端后,

Ctrl + Alt + T.

运行:

 $ sudo -i # fdisk -l 

Fdisk将在调用时通知您的分区,例如:

 Disk /dev/sda: 74,5 GiB, 80032038912 bytes, 156312576 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0xab6eab6e Device Boot Start End Sectors Size Id Type /dev/sda1 * 2048 54750094 54748047 26,1G 83 Linux /dev/sda2 54751230 156311551 101560322 48,4G 5 Extended /dev/sda5 54751232 56702975 1951744 953M 82 Linux swap / Solaris /dev/sda6 56705024 156311551 99606528 47,5G 83 Linux 

对于每个Linux分区,请运行以下命令:

 # umount /dev/sda? # fsck -y /dev/sda? 

在示例中:

 # umount /dev/sda1 # umount /dev/sda6 # fsck -y /dev/sda1 # fsck -y /dev/sda6 

然后继续运行,假设//dev/sda1

 # mount /dev/sda1 /mnt # mount --bind /dev /mnt/dev # mount --bind /dev/pts /mnt/dev/pts # mount --bind /proc /mnt/proc # mount --bind /sys /mnt/sys # mount --bind /etc/resolv.conf /mnt/etc/resolv.conf # chroot /mnt # dpkg --configure -a # apt-get -f install # apt-get update # apt-get dist-upgrade # apt-get autoremove # apt-get clean # umount /mnt # exit # reboot