Remove Old Kernel in PVE3

A

apmuthu

Renowned Member
Feb 26, 2009
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Chennai - India & Singapore
github.com
After an apt-get update and apt-get dist-upgrade and subsequent rebooting, sometimes the kernel gets updated.

Check existing pve kernels:
Code: 
dpkg --list | grep "pve-kernel-"
Sample output:
Code: 
ii  pve-kernel-2.6.32-20-pve         2.6.32-100                    amd64        The Proxmox PVE Kernel Image
ii  pve-kernel-2.6.32-22-pve         2.6.32-107                    amd64        The Proxmox PVE Kernel Image
Check Current Working Kernel:
Code: 
# uname -a
Linux dc06 2.6.32-22-pve #1 SMP Mon Jul 15 08:36:46 CEST 2013 x86_64 GNU/Linux
and remove old ones:
Code: 
apt-get remove pve-kernel-2.6.32-20-pve
update-grub

Check the versions now with # pveversion -v:
Code: 
pve-manager: 3.0-23 (pve-manager/3.0/957f0862)
running kernel: 2.6.32-22-pve
proxmox-ve-2.6.32: 3.0-107
pve-kernel-2.6.32-22-pve: 2.6.32-107
lvm2: 2.02.95-pve3
clvm: 2.02.95-pve3
corosync-pve: 1.4.5-1
openais-pve: 1.1.4-3
libqb0: 0.11.1-2
redhat-cluster-pve: 3.2.0-2
resource-agents-pve: 3.9.2-4
fence-agents-pve: 4.0.0-1
pve-cluster: 3.0-4
qemu-server: 3.0-20
pve-firmware: 1.0-23
libpve-common-perl: 3.0-4
libpve-access-control: 3.0-4
libpve-storage-perl: 3.0-8
vncterm: 1.1-4
vzctl: 4.0-1pve3
vzprocps: 2.0.11-2
vzquota: 3.1-2
pve-qemu-kvm: 1.4-13
ksm-control-daemon: 1.1-1
 
Last edited:
I did it like you described above because server rebootet is still under

dpkg --list | grep "pve-kernel-"

the old kernel is displayed that's right?




Code: 
Using username "root".
Linux pve 4.13.13-6-pve #1 SMP PVE 4.13.13-40 (Fri, 16 Feb 2018 09:51:20 +0100)                                                                                                              x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Mon Feb 19 16:54:21 2018 from 192.168.178.36
root@pve:~# cd '/root/'
root@pve:~# dpkg --list | grep "pve-kernel-"
rc  pve-kernel-4.13.13-1-pve             4.13.13-31                     amd64        The Proxmox PVE Kernel Image
rc  pve-kernel-4.13.13-2-pve             4.13.13-33                     amd64        The Proxmox PVE Kernel Image
rc  pve-kernel-4.13.13-5-pve             4.13.13-38                     amd64        The Proxmox PVE Kernel Image
ii  pve-kernel-4.13.13-6-pve             4.13.13-40                     amd64        The Proxmox PVE Kernel Image
rc  pve-kernel-4.13.4-1-pve              4.13.4-26                      amd64        The Proxmox PVE Kernel Image
root@pve:~# pveversion -v
proxmox-ve: 5.1-40 (running kernel: 4.13.13-6-pve)
pve-manager: 5.1-46 (running version: 5.1-46/ae8241d4)
pve-kernel-4.13.13-6-pve: 4.13.13-40
corosync: 2.4.2-pve3
criu: 2.11.1-1~bpo90
glusterfs-client: 3.8.8-1
ksm-control-daemon: 1.2-2
libjs-extjs: 6.0.1-2
libpve-access-control: 5.0-8
libpve-common-perl: 5.0-28
libpve-guest-common-perl: 2.0-14
libpve-http-server-perl: 2.0-8
libpve-storage-perl: 5.0-17
libqb0: 1.0.1-1
lvm2: 2.02.168-pve6
lxc-pve: 2.1.1-2
lxcfs: 2.0.8-2
novnc-pve: 0.6-4
proxmox-widget-toolkit: 1.0-11
pve-cluster: 5.0-20
pve-container: 2.0-19
pve-docs: 5.1-16
pve-firewall: 3.0-5
pve-firmware: 2.0-3
pve-ha-manager: 2.0-5
pve-i18n: 1.0-4
pve-libspice-server1: 0.12.8-3
pve-qemu-kvm: 2.9.1-9
pve-xtermjs: 1.0-2
qemu-server: 5.0-21
smartmontools: 6.5+svn4324-1
spiceterm: 3.0-5
vncterm: 1.5-3
zfsutils-linux: 0.7.4-pve2~bpo9
root@pve:~# uname -a
Linux pve 4.13.13-6-pve #1 SMP PVE 4.13.13-40 (Fri, 16 Feb 2018 09:51:20 +0100) x86_64 GNU/Linux
root@pve:~# dpkg --list | grep "pve-kernel-"
rc  pve-kernel-4.13.13-1-pve             4.13.13-31                     amd64        The Proxmox PVE Kernel Image
rc  pve-kernel-4.13.13-2-pve             4.13.13-33                     amd64        The Proxmox PVE Kernel Image
rc  pve-kernel-4.13.13-5-pve             4.13.13-38                     amd64        The Proxmox PVE Kernel Image
ii  pve-kernel-4.13.13-6-pve             4.13.13-40                     amd64        The Proxmox PVE Kernel Image
rc  pve-kernel-4.13.4-1-pve              4.13.4-26                      amd64        The Proxmox PVE Kernel Image
root@pve:~# update-grub
GRUB-Konfigurationsdatei wird erstellt …
Linux-Abbild gefunden: /boot/vmlinuz-4.13.13-6-pve
initrd-Abbild gefunden: /boot/initrd.img-4.13.13-6-pve
Found memtest86+ image: /boot/memtest86+.bin
Found memtest86+ multiboot image: /boot/memtest86+_multiboot.bin
erledigt
root@pve:~#
 
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