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Juste some notes on setting up proxmox and stuff I modified to my own needs and like, also, some problems that I tweaked.

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My Awesome Proxmox Setup

Juste some notes on setting up proxmox and stuff I modified to my own needs and like, also, some problems that I tweaked.

download proxmox and burn with rufus (use dd option, otherwise you will get errors)

note: Careful not to create a softraid on the physical raid. when crating a raid; either you create it with the raid card (physical) or you create it with proxmox; otherwise if you loose a disk, you won't be able to replace it.

https://www.proxmox.com/en/downloads

1- resize disk to suit need:

 Problem I was having is proxmox not allowing me to use all space on disk. Which makes sense!  I mean, you don't want your vm's on the same disk as your  
 system, but in my case I wanted all the space to install my vm's.
 
 Solution:
 
 lvremove /dev/pve/data
 lvresize -l +100%FREE /dev/pve/root
 resize2fs /dev/mapper/pve-root

2- update, upgrades, etc

mv /etc/apt/sources.list.d/pve-enterprise.list /etc/apt/sources.list.d/pve-enterprise.list.bak

add these repo to /etc/apt/souces.list

echo deb http://download.proxmox.com/debian/pve buster pve-no-subscription > /etc/apt/sources.list


apt-get update && upgrade -yes
apt-get dist-upgrade -yes

apt-get autoclean 
apt-get autoremove -yes

3- install some utilities:

apt-get install htop tmux fail2ban samba speedtest-cli net-tools ntfs-3g ifupdown2 hdparm

4- change ssh port to 2299

sed -i 's/#Port 22/Port 2299/' /etc/ssh/sshd_config
sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
systemctl restart ssh

5- create jail for ssh

 cp /etc/fail2ban/fail2ban.conf /etc/fail2ban/fail2ban.local
 cat << EOF > /etc/fail2ban/jail.local
 [DEFAULT]
 ignoreip = 127.0.0.1/8
 bantime  = 600
 findtime = 600
 maxretry = 3

 [sshd]
 enabled = true
 port = 2299
 EOF
 systemctl restart fail2ban

6- samba config

nano /etc/samba/smb.conf

#Just an example conf:

[global]
workgroup = WORKGROUP
map to guest = Bad User
log file = /var/log/samba/%m
log level = 1

[8TB]
path = /mnt/8TB
read only = no
guest ok = yes

systemctl restart smbd

7- update templates

pveam update

8- backup grub

rsync -avh --progress /boot/grub /xxx/xxx/xxx

9- GPU Passtrough

nano /etc/default/grub

GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt pcie_acs_override=downstream,multifunction nofb nomodeset video=vesafb:off,efifb:off"

update-grub

nano /etc/modules

vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd

echo "options vfio_iommu_type1 allow_unsafe_interrupts=1" > /etc/modprobe.d/iommu_unsafe_interrupts.conf
echo "options kvm ignore_msrs=1" > /etc/modprobe.d/kvm.conf

echo "blacklist radeon" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nouveau" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nvidia" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nvidiafb" >> /etc/modprobe.d/blacklist.conf

lspci -v

Look for your GPU and take note of the first set of numbers this is your PCI card address.

Then run this command

lspci -n -s (PCI card address)

in my case:

lspci -n -s 05:00

This command gives use the GPU vendors number

Use those numbers in this command (in my case:)

echo "options vfio-pci ids=10de:06dd,10de:0be5 disable_vga=1"> /etc/modprobe.d/vfio.conf

update-initramfs -u

reboot

Create Vm with:

Bios is OMVF(UEFI)
Machine is q35

10- bonding nics

we need to create a bond0 and add all nics that we want to include than we add the bond to the linux bridge

bond

11- installing megacli

cd /opt
apt install unzip alien libncurses5 wget
wget https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-controllers-common-files/8-07-14_MegaCLI.zip
unzip 8-07-14_MegaCLI.zip
cd Linux 
sudo alien MegaCli-8.07.14-1.noarch.rpm
sudo dpkg -i megacli_8.07.14-2_all.deb
/opt/MegaRAID/MegaCli/MegaCli64 -h

12- test I/O speed with hdparm

hdparm -tT --direct /dev/sda

cd /myFolderTheHardDisk/. dd if=/dev/zero of=testfile bs=1M count=1024 conv=fdatasync,notrunc

Random note and cheats


Megacli Cheat

check raid:

megacli -ldinfo -lALL -aALL

check disk:

megacli -pdlist -aALL

disk offline:

megacli -pdoffline -physdrv[252:3] -a0

mark as missing:

megacli -pdmarkmissing -physdrv[252:3] -aAll

mark as fail and prepare removal:

megacli -pdprprmv -physdrv[252:3] -a0

locate it:

megacli -pdlocate -start -physdrv[252:3] -a0

replace disk:

megacli -PdReplaceMissing -PhysDrv[252:3] -Array0 -row0 -a0

start rebuild:

megacli -PDRbld -Start -PhysDrv[252:3] -a0

check progress rebuild:

megacli -PDRbld -ShowProg -PhysDrv[32:2] -a0

check batt:

megacli -AdpBbuCmd -aAll

write back:

megali -LDSetProp WB -LALL -aALL

read aahead:

megacli -LDSetProp -RA -Immediate -LALL -aALL

disk drive cache:

megacli -LDSetProp -EnDskCache -Immediate -LAll

source: https://cs.uwaterloo.ca/twiki/view/CF/MegaCli

Observium Cheat

wget http://www.observium.org/observium_installscript.sh chmod +x observium_installscript.sh ./observium_installscript.sh

Listen to all interface

agentAddress udp:161

Change "observium" to your preferred SNMP community string

com2sec readonly default observium

group MyROGroup v2c readonly

view all included .1 80

access MyROGroup "" any noauth exact all none none

Update your location here

syslocation [40.705311,-74.2581883] syslocation New York, United States syscontact ITzGeek Admin admin@itzgeek.local

Distro Detection

extend .1.3.6.1.4.1.2021.7890.1 distro /usr/bin/distro

Useful VM

PiHole

curl -sSL https://install.pi-hole.net | bash

Ansible

apt install ansible

Docker

curl -s https://gist.githubusercontent.com/mtnezm/502cdb812caa25a32ddd994f6fbff0df/raw/e7ec8f706fc88623f0fb097b4d9704c4e0b4bd9a/install_docker_debian.bash | sudo bash

Portainer (docker manager)

docker volume create portainer_data

docker run -d -p 8000:8000 -p 9000:9000 --name=portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce

nodered

sudo apt install build-essential

bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)

remove nag screen proxmox 8:

sed -Ezi.bak "s/(Ext.Msg.show({\s+title: gettext('No valid sub)/void({ //\1/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service

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Juste some notes on setting up proxmox and stuff I modified to my own needs and like, also, some problems that I tweaked.

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