Blog rafroma

openDKIM – no signature data

if you see this message

2023-06-17T21:18:24.773384+02:00 git opendkim[317371]: BADFE5FE6B: [192.168.1.25] [192.168.1.25] not internal
2023-06-17T21:18:24.773568+02:00 git opendkim[317371]: BADFE5FE6B: not authenticated
2023-06-17T21:18:24.774566+02:00 git opendkim[317371]: BADFE5FE6B: no signature data

Add to /etc/postfix/main.cf

milter_connect_macros = j {daemon_name} v {if_name} _
milter_mail_macros="i {mail_addr} {client_addr} {client_name} {auth_type} {auth_authen}"

PHP install extensions

apt -y install php8.2-{apcu,bcmath,bz2,cgi,cli,common,curl,fpm,gd,gmp,igbinary,imagick,imap,intl,ldap,mbstring,mysql,opcache,pgsql,readline,redis,soap,sqlite3,xml,zip}

a2enmod proxy_fcgi setenvif

a2enconf php8.2-fpm

a2disconf php8.1-fpm

systemctl reload apache2

Rsync copy

rsync -azP -e "ssh -p PORT_NUMBER" source destination

KVM Snapshot with only one disk

virsh snapshot-create-as --domain ${VM}
--name "backup-${VM}" \
--atomic \
--disk-only \
--no-metadata \
--diskspec vda,file=${SNAP}/backup-snapshot-${VM} \
--diskspec vdb,snapshot=no

Boot blocks with “Gave up waiting for suspend/resume device”

usually after swap changed
update-initramfs -u

Validate /etc/network/interfaces

ifup --no-act eth0

blank console screen after 5 min

add to /etc/default/grub
GRUB_CMDLINE_LINUX="consoleblank=300"

I was able to turn off the display of the laptop by putting this command physically on to the machine and not via SSH:

setterm –blank force

Disable Consistent Interface Device Naming ethX instead ens

GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0"

Customized boot in Zbook

Add in bios
\EFI\debian\shimx64.efi

debian runlevel / inittab

default runlevel
systemctl get-default

List runlevels
systemctl list-units --type=target

root@hphost:~# systemctl list-units --type=target
UNIT LOAD ACTIVE SUB DESCRIPTION
basic.target loaded active active Basic System
bluetooth.target loaded active active Bluetooth
cryptsetup.target loaded active active Local Encrypted Volumes
getty.target loaded active active Login Prompts
graphical.target loaded active active Graphical Interface
local-fs-pre.target loaded active active Local File Systems (Pre)
local-fs.target loaded active active Local File Systems
multi-user.target loaded active active Multi-User System
network.target loaded active active Network
paths.target loaded active active Paths
remote-fs.target loaded active active Remote File Systems
slices.target loaded active active Slices
sockets.target loaded active active Sockets
sound.target loaded active active Sound Card
swap.target loaded active active Swap
sysinit.target loaded active active System Initialization
time-set.target loaded active active System Time Set
time-sync.target loaded active active System Time Synchronized
timers.target loaded active active Timers
virt-guest-shutdown.target loaded active active Libvirt guests shutdown

Change default to 3
systemctl set-default multi-user.target