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I have installed centos 7 on vmware and seem to have ran out of space on the boot drive.

Is there a way to add more space without formatting the disk?

[root@centos7 /]# df -h /dev/sda1
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       297M  272M   26M  92% /boot
  • Technically, you can add kernel in any partition and update the grub configuration files accordingly – SHW Jan 28 '16 at 6:34
  • I am actually trying to update the system via yum and new update for kernel is available. Would it be possible to add more space to exising /dev/sda1 ? This would also help me utilize space going forth – Atul Jan 28 '16 at 6:35
  • Please share us the content of du -sh /boot/*, normal it takes 150MB Max. – Mongrel Jan 28 '16 at 6:39
  • well, resize2fs is a command to extend the size of a partition. but it will do when some conditions met. RTFM of resize2fs – SHW Jan 28 '16 at 6:40
  • @AngRed Would this suffice ? [root@centos7 /]# du -h /boot 4.0K /boot/grub 0 /boot/grub2/themes/system 0 /boot/grub2/themes 2.4M /boot/grub2/i386-pc 3.3M /boot/grub2/locale 2.5M /boot/grub2/fonts 8.1M /boot/grub2 256M /boot – Atul Jan 28 '16 at 6:41
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Below file consume more space on your system (/boot). if you can remove the older file you can free up some space. Make sure you have a backup before attempting remove.

initramfs-2.6.32-358.el6.x86_64.img
System.map-2.6.32-358.el6.x86_64
vmlinuz-2.6.32-358.el6.x86_64

  • 3
    Running package-cleanup --oldkernels --count=2 would remove all but the running kernel and the most recent kernel. – jsbillings Jan 31 '16 at 12:58
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boot your vm with a linux livecd like Ubuntu Mate or something. once booted use gparted to shrink your / partition and grow /boot to 1G . This will work given the fact that your / has some space left.

Or there is another way. From VMware documentation here : http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1004047

For Workstation 7 and later and Player 3.x and later, you can increase the virtual disk from the GUI: Select the virtual machine from the Inventory. Click Edit Virtual Machine Settings. Click Hard Disk. Click Utilities > Expand, enter the new size, then click Expand. Complete the steps in Increasing the size of a disk partition (1004071), so that the guest operating system is aware of the change in disk size.

add 1G using above steps. using Gparted move your partitions around and resize /boot .

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