2025-10-31.md

Voir les logs avec ls -l /var/log
less /var/log/apt/history/log

/var/log/journal 
(suite de chiffre)

systemctl list-units --type=service

systemd-analyze plot > plot.svg
puis ouvrir le fichier
sytemd-analyze
systemd-analyze blame | head -n 10 (pour les programmes lent à démarrer)
systemd-analyze blame | head -n 10 > systemd-blame.cmd
ajouter au grabber.sh avec sudo nano grabber.sh

systemctl list-units --type=target
systectl show-environment
systemd-analyze critical-chain

ls /etc/systemd/system/multi-user.target.wants

touch grabber.service

nano grabber.service 

  GNU nano 8.4                  grabber.service *                         
[Unit]
Description = grabber: report conf
[Service]
Type = Oneshot
ExecStart=/opt/grabber.sh
StandardOutput = /var/log/grabber.log
StandardError = /var/log/grabber-error.log
[Install]
WantedBy = default.target

-------------------
sudo cp grabber.service /etc/systemd/system/ -v

sudo systemctl enable grabber.service

--------------
sudo mkdir /opt/grabber
(dans le script)
DIR=/opt/grabber
lsusb > $DIR/lsusb.cmd


pierre19@LP-Pierre:~$ sudo systemctl status grabber.service 
-----------------------
se lance au démarrage
-----------------------
#!/bin/bash
DIR=/opt/grabber
echo "Bonjour pierre19"

sudo apt list -installed > $DIR/apt.cmd
cat /etc/group > $DIR/group.file
lspci -nn > $DIR/lspci.cmd
lsusb > $DIR/lsusb.cmd
cat /etc/passwd > $DIR/passwd.file
systemd-analyze blame | head -n 10 > $DIR/systemd-blame.cmd


ls test 


sudo crontab -e

choisir 1

*/1 * * * * grabber/opt/grabber.sh
minute heure mois joursdumois joursemaine grabber/opt/grabber.sh
crontab -l
sudo rm /opt/grabber/*

sudo crontab -u grabber -e

sudo crontab -l -u grabber

sudo systemctl restart cron.service

sudo chown -R grabber:grabber /opt/grabber

sudo chown -R grabber:grabber /var/log/grabber


*/1 * * * * /opt/grabber.sh 2>/var/log/grabber/error.log  ---- dans le cron du $USER

----------------------------------
exemple : 
pierre19@LP-Pierre:~/dev/grabber$ sudo crontab -u grabber -e
crontab: installing new crontab
pierre19@LP-Pierre:~/dev/grabber$ sudo mkdir /var/log/grabber
sudo chown -R grabber:grabber /opt/grabber
pierre19@LP-Pierre:~/dev/grabber$ sudo chown -R grabber:grabber /var/log/grabber
pierre19@LP-Pierre:~/dev/grabber$ sudo systemctl restart cron.service
------------------------------------

sudo cp ~/dev/grabber/grabber.sh/opt/ -vf

sudo chown  grabber:grabber /opt/grabber

ls -l /opt

enlever sudo de la ligne apt list dans grabber.sh
-----------------------
pierre19@LP-Pierre:~/dev/grabber$ sudo systemctl disable grabber.service
[sudo] Mot de passe de pierre19 : 
Removed '/etc/systemd/system/default.target.wants/grabber.service'.

dans le crontab # */1 * * * * /opt/grabber.sh


nano ~/.local/share/applications/grabber.desktop

dans le terminal:  sudo chmod g+x /opt/grabber.sh

[Desktop Entry]
Type=Application
Name=GrabberReport
Exec=/opt/grabber.sh
Icon=utilities-terminal
Terminal=true
Categories=Utility;
-----------------------------------------------------------------------
GRABBER.SH QUI MARCHE
  GNU nano 8.4                    grabber.sh                              
#!/bin/bash
DIR=/opt/grabber
echo "Bonjour pierre19"
apt list --installed > $DIR/apt.cmd
cat /etc/group > $DIR/group.file
lspci -nn > $DIR/lspci.cmd
lsusb > $DIR/lsusb.cmd
cat /etc/passwd > $DIR/passwd.file
systemd-analyze blame | head -n 10 > $DIR/systemd-blame.cmd
-----------------------------------------------------------------
lignes suivante dans le terminal pour tester
sudo lsblk
sudo fdisk -l
inxi
lscpu
arch
lshw
lsmem
free -m
/etc/network/interface
/etc/resolv.conf
uptime
----------------------
copier dossier utilisateur et transférer dans nouveau LP
--------------
pierre19@LP-Pierre:~/dev/grabber$ ls -Alh /opt/
total 8,0K
drwxr-xr-x 4 root    root    4,0K 24 oct.  12:18 Element
drwxrwxr-x 2 grabber grabber 4,0K 31 oct.  16:37 grabber
lrwxrwxrwx 1 root    root      37 30 oct.  12:11 grabber.sh -> /home/pierre19/dev/grabber/grabber.sh
pierre19@LP-Pierre:~/dev/grabber$ bash grabber.s
grabber.service  grabber.sh       
pierre19@LP-Pierre:~/dev/grabber$ bash grabber.sh
Bonjour pierre19
grabber.sh: ligne 4: /opt/grabber/apt.cmd: Permission non accordée
grabber.sh: ligne 5: /opt/grabber/group.file: Permission non accordée
grabber.sh: ligne 6: /opt/grabber/passwd.file: Permission non accordée
grabber.sh: ligne 7: /opt/grabber/lspci.cmd: Permission non accordée
grabber.sh: ligne 8: /opt/grabber/lsusb.cmd: Permission non accordée
grabber.sh: ligne 11: /opt/grabber/lsusb.cmd: Permission non accordée
grabber.sh: ligne 12: /opt/grabber/systemd-blame.cmd: Permission non accordée
pierre19@LP-Pierre:~/dev/grabber$ ^C
pierre19@LP-Pierre:~/dev/grabber$ ls -Alh /opt/grabber/
total 180K
-rw-rw-r-- 1 root     root     151K 31 oct.  16:05 apt.cmd
-rw-rw-r-- 1 root     root     1,1K 31 oct.  16:05 group.file
-rw-rw-r-- 1 pierre19 pierre19 3,2K 31 oct.  16:50 lscpu.cmd
-rw-rw-r-- 1 pierre19 pierre19  322 31 oct.  16:50 lsmem.cmd
-rw-rw-r-- 1 root     root     2,4K 31 oct.  16:05 lspci.cmd
-rw-rw-r-- 1 root     root      412 31 oct.  16:05 lsusb.cmd
-rw-rw-r-- 1 root     root     2,4K 31 oct.  16:05 passwd.file
-rw-rw-r-- 1 root     root      278 31 oct.  16:05 systemd-blame.cmd
pierre19@LP-Pierre:~/dev/grabber$ sudo rm /opt/grabber/*
[sudo] Mot de passe de pierre19 : 
pierre19@LP-Pierre:~/dev/grabber$ bash grabber.sh
Bonjour pierre19

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

pierre19@LP-Pierre:~/dev/grabber$ 

--------------
sudo apt install lshw-gtk
pierre19@LP-Pierre:~/dev/grabber$ lshw |less
pierre19@LP-Pierre:~/dev/grabber$ lshw-gtk