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2025 10 31.md

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+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;
+
+
+  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 > $DIR/systemd-blame.cmd
+------- 
+lignes suivante dans le terminal puis dans le grabber.sh
+sudo lsblk
+sudo fdisk -l
+inxi
+lscpu
+
+--------------
+sudo apt install lshw-gtk
+pierre19@LP-Pierre:~/dev/grabber$ lshw |less
+pierre19@LP-Pierre:~/dev/grabber$ lshw-gtk 
+
+
+