wiki:meltdown-admin

Version 44 (modified by Jamie McClelland, 22 months ago) (diff)

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Meltdown Mitigation

The patched jessie kernels have not been released (see this debian page for status info) however... the back ported stretch kernel has been released.

How to upgrade

Check disk space on /.

df -h /

If it's a 3.7GB partition, then upgrading the kernel may cause the root partition to fill up.

If you have space available in the volume group (vgs), then increase root to 5GB:

lvresize --size 5GB vg_$(hostname)0/root
resize2fs /dev/mapper/vg_$(hostname)0-root

Then upgrade:

apt-get update && apt-get install linux-image-amd64/jessie-backports linux-image-4.9.0-0.bpo.5-amd64/jessie-backports linux-base/jessie-backports
shutdown -h

When prompted to restart services, you can say no to all services (since they will all be restarted when you shutdown the guest).

After reboot, check with:

0 chavez:~# uname -a
Linux chavez 4.9.0-0.bpo.5-amd64 #1 SMP Debian 4.9.65-3+deb9u2~bpo8+1 (2017-01-05) x86_64 GNU/Linux
0 chavez:~#

Steps

  • released service advisory
  • Upgrade and reboot all MOSH'es
  • Upgrade and reboot all other guests
  • Upgrade and reboot physical servers (wait for Jamie in case a colo trip is needed).

Server List

Here is the server list (in order). Please put your initials after a server that you are working on, then strike-out when it is completed.

Once the service advisory is out, you don't have to wait for confirmation on IRC or any coordination - just start upgrading (provided we are in off hours).

MOSHES

  • albizu - jamie
  • annapurna - jaimev
  • annette - jamie
  • bety - jamie
  • biko - jaimev
  • binh - jaimev
  • boggs - jaimev
  • brown - jaimev
  • buffy - jaimev
  • chavez - jamie
  • chelsea - jaimev
  • clara - jaimev
  • claudette - jaimev
  • colin - JL
  • daza - jamie
  • debs - jamie
  • didier - jamie
  • dorothy - jamie
  • eagle - jaimev
  • ekpo - jaimev
  • ella - jaimev
  • emma - jaimev
  • erica - jaimev
  • floriberto
  • foucault - JL
  • gaspar - jamie
  • gilkey - jaimev
  • ginsberg - jaimev
  • goldman - jaimev
  • hashmi - jaimev
  • jacobs - jaimev
  • jones - jaimev
  • juanita - jaimev
  • julia - jaimev
  • june - jamie
  • kahlo - jaimev
  • kerr - jaimev
  • kinoy - jaimev
  • larkin - jaimev
  • lewis - jaimev
  • magon - jaimev
  • malcolm - jamie
  • mandela - jaimev
  • marx - jaimev
  • menchu - jaimev
  • molina - jaimev
  • mumia - jaimev
  • octavia - jamie
  • ossie - jaimev
  • pauline - jaimev
  • peery - jaimev
  • proudhon - jamie
  • randolph - jaimev
  • resnick - jaimev
  • rivera - jaimev
  • rodolpho - jaimev
  • roe - jaimev
  • rose - jaimev
  • rushdie - jaimev
  • sarah - jaimev
  • slaapbeen - jaimev - ! needs attention
  • smith - jaimev
  • sojourner - jaimev
  • stokely - jaimev
  • stone - jaimev
  • stoney - jaimev
  • susana - jaimev
  • tresca - jaimev
  • viewsic - jaimev
  • wolf - jaimev
  • yippie - jaimev
  • yser - jaimev

Non MOSH guests

  • abernathy - jaimev
  • achebe - jaimev
  • acholonu - jaimev
  • allende - jaimev
  • assata - jaimev
  • augusto - jaimev
  • banksy - jaimev
  • barghouti - jaimev
  • belen - jaimev
  • borges - jaimev
  • cero - jaimev
  • cesar - erq
  • chico - jamie - jaimev
  • cleveland - jaimev
  • deadeasy - jaimev
  • dee
  • dolores
  • dorvalina
  • douglass
  • elizabeth - jaimev
  • fuller
  • galeano
  • gamiz - jamie
  • gil - jamie
  • graciela
  • hammer
  • hay - jamie
  • howard - srevilak
  • iz
  • jojobe
  • juana - jamie
  • keller
  • kennedy - jamie
  • kramer
  • leslie
  • lucius
  • marti
  • mcchesney
  • morales
  • moses
  • ngugi
  • olivera - jamie
  • paul
  • paulo - jamie
  • peltier
  • ranciere
  • rustin
  • saadawi
  • sankara
  • septima
  • stallman - srevilak
  • toussaint - srevilak (note: I gave all vgs free space to /. toussaint currently has 88% of a 1.1GB root partition used)
  • woodhull
  • zimmermann

Physical servers

  • banks
  • barron
  • baubo
  • cleaver
  • clr
  • florence
  • franz
  • gabriela
  • linda
  • malaka
  • minnie
  • parsi
  • pietri
  • robideau
  • severo
  • victoria
  • vilma
  • wiwa