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Notes udev udevadm

Voir :

# udevadm control --log-priority=debug
error sending message: Connection refused
udevadm[2825]: error sending message: Connection refused

udevd n'est pas démarré

2025/03/24 15:06

Notes Ubuntu multipass virt instance creator

Ce truc de Ubuntu install et démarre un service lancé avec le compte root

Voir :

Voir aussi :

  • Vagrant
sudo snap install multipass
sudo snap connect multipass:libvirt
 
multipass stop --all
 
multipass set local.passphrase
 
multipass authenticate
 
multipass set local.driver=libvirt

Redémarrer le service

snap stop multipass
snap start multipass
2025/03/24 15:06

Chiffrer un fichier avec age ou rage

Voir :

Voir aussi :

sudo apt-get install age
age-keygen -o key.txt
 
# Chiffrer
age -r age1yvq8462vpqg4mcdqgfj6amhzgtldpwpclv5tsymf26fl2jhlusxqjy6jzf -a message.txt
 
# Déchiffrer
age -d -i ./key.txt message.enc
 
# Chiffrer
age -r age1yvq8462vpqg4mcdqgfj6amhzgtldpwpclv5tsymf26fl2jhlusxqjy6jzf -o datafile.tar.gz.enc datafile.tar.gz
 
# Déchiffrer
age -i key.txt -d -o plop.tar.gz datafile.tar.gz.enc
2025/03/24 15:06

Tuner TV TNT

Voir :

Voir aussi :

apt-get install kaffeine vlc w-scan me-tv
# lsusb
Bus 002 Device 002: ID 0ccd:005e TerraTec Electronic GmbH 
# lsmod | egrep "em28|dvb"
em28xx_rc              17221  0 
rc_core                22404  3 rc_terratec_cinergy_xs,em28xx_rc
em28xx_dvb             29649  0 
dvb_core              102010  1 em28xx_dvb
em28xx_alsa            17530  1 
em28xx_v4l             35406  0 
videobuf2_vmalloc      12816  1 em28xx_v4l
videobuf2_core         47787  1 em28xx_v4l
em28xx                 76314  4 em28xx_dvb,em28xx_v4l,em28xx_rc,em28xx_alsa
tveeprom               20593  1 em28xx
v4l2_common            12995  5 tuner,em28xx_v4l,em28xx,tvp5150,videobuf2_core
videodev              126451  6 tuner,em28xx_v4l,em28xx,tvp5150,v4l2_common,videobuf2_core
snd_pcm                88662  5 snd_pcm_oss,snd_hda_codec,snd_hda_intel,snd_hda_controller,em28xx_alsa
snd                    65338  18 snd_hda_codec_realtek,snd_pcm_oss,snd_hwdep,snd_timer,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_mixer_oss,em28xx_alsa
i2c_core               46012  15 drm,tuner,em28xx_dvb,i2c_piix4,zl10353,drm_kms_helper,i2c_algo_bit,em28xx,tvp5150,v4l2_common,tveeprom,radeon,tuner_xc2028,em28xx_rc,videodev
usbcore               195468  10 em28xx_dvb,em28xx_v4l,usb_storage,em28xx,ohci_hcd,ohci_pci,ehci_hcd,ehci_pci,usbhid,em28xx_alsa
usb_common             12440  2 usbcore,em28xx_alsa

Autres

/dev/dvb/adapter0/frontend0

# dmesg | grep -i dvb
[  746.408324] em28xx: DVB interface 0 found: isoc
[  746.580461] em2882/3 #0: dvb set to isoc mode.
[  747.238233] em2882/3 #0: Binding DVB extension
[  747.456850] DVB: registering new adapter (em2882/3 #0)
[  747.456863] usb 2-2: DVB: registering adapter 0 frontend 0 (Zarlink ZL10353 DVB-T)...
[  747.464752] em2882/3 #0: DVB extension successfully initialized
[  747.464775] em28xx: Registered (Em28xx dvb Extension) extension

Pb Erreur

DvbDevice::frontendEvent: tuning failed
gpasswd -a jean video
2025/03/24 15:06

Notes TrueCrypt VeraCrypt tcplay

tcplay

tcplay est une implémentation libre de TrueCrypt inclus dans les dépôts Debian

Device     Boot Start      End  Sectors  Size Id Type
/dev/sda1          32 30031871 30031840 14.3G  c W95 FAT32 (LBA)


0c W95 FAT32 (LBA)
apt-get install fatresize
 
dd if=/dev/urandom of=/dev/sda bs=4096 conv=notrunc status=progress
dd if=/dev/zero of=/dev/sda bs=512 count=1 conv=notrunc
parted --align optimal /dev/sda mklabel msdos mkpart p fat32 1MiB 100%
 
parted -ms /dev/sda print 
usb-SanDisk_Ultra_USB_3.0

/dev/sda1 on /media/jibe/6E6F-0B54 type vfat (rw,nosuid,nodev,relatime,uid=1000,gid=1000,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)

/dev/sda1: UUID="6E6F-0B54" BLOCK_SIZE="512" TYPE="vfat"
parted /dev/sda
unit s
resizepart 1 15015935s
#mkpart primary ext4 15015936s 30031871s
mkpart primary ext4 15015936s 100%
mkfs.vfat -F 32 -n SANDISK /dev/sda1
 
#tcplay -c -z -d /dev/sda2 -k key1
tcplay -c -z -d /dev/sda2
 
#tcplay -m enc_steg -d /dev/sda2 -k key1
tcplay -m enc_steg -d /dev/sda2
mkfs.ext4 /dev/mapper/enc_steg
rm 2
resizepart 1 100%
fatresize -s max /dev/sda1

Autres

$ /usr/sbin/tcplay --help
...
-a <pbkdf prf algorithm>, --pbkdf-prf=<pbkdf prf algorithm>
         Specifies which hashing function to use for the PBKDF password
         derivation when creating a new volume.
         To see valid options, specify '-a help'.
...
$ /usr/sbin/tcplay -a help
Valid PBKDF PRF algorithms are: RIPEMD160 RIPEMD160 SHA512 whirlpool
tcplay --create --hidden --device=/dev/loop0 --cipher=AES-256-XTS,TWOFISH-256-XTS --pbkdf-prf=whirlpool --keyfile=one.key --cipher-hidden=AES-256-XTS --pbkdf-prf-hidden=whirlpool --keyfile-hidden=hidden.key
 
 
# Creation
tcplay --create --hidden --device=/dev/loop0 --cipher=TWOFISH-256-XTS --pbkdf-prf=whirlpool --keyfile=key1 --keyfile=key2 --cipher-hidden=AES-256-XTS --pbkdf-prf-hidden=whirlpool --keyfile-hidden=key3
 
# Monter le volume
tcplay -m crypt1 -d /dev/loop0 --keyfile=key1 --keyfile=key2
 
# Monter le volume en protegeant le volume caché
tcplay -m crypt1 -d /dev/loop0 --keyfile=key1 --keyfile=key2 --protect-hidden --keyfile-hidden=key3
 
# Monter le volume caché
tcplay -m hidden --device=/dev/loop0 --keyfile=key3
 
mkfs.ntfs -f /dev/mapper/crypt1

Fin

umount /mnt/crypt1/
dmsetup remove crypt1

Autres

Comment marquer la partition FAT en “dirty” ?

2025/03/24 15:06
blog.txt · Dernière modification : de 127.0.0.1

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