blog [AdminSysGNULinux]

Go into the graphical virt-manager, open the subject guest's config, and click on “CPUs”.
Check the box “Copy host CPU configuration” and Apply.
Restart the virtual machine, open a terminal in it and check for the extensions:

grep vmx /proc/cpuinfo

Source : https://docs.fedoraproject.org/en-US/quick-docs/using-nested-virtualization-in-kvm/

Checking if nested virtualization is supported

cat /sys/module/kvm_intel/parameters/nested
Y

To enable nested virtualization for Intel processors:

Shut down all running VMs and unload the kvm_probe module:

sudo modprobe -r kvm_intel

Activate the nesting feature:

sudo modprobe kvm_intel nested=1

Nested virtualization is enabled until the host is rebooted. To enable it permanently, add the following line to the /etc/modprobe.d/kvm.conf file:

options kvm_intel nested=1

To enable nested virtualization for AMD processors:

Shut down all running VMs and unload the kvm_amd module:

sudo modprobe -r kvm_amd

Activate the nesting feature:

sudo modprobe kvm_amd nested=1

Nested virtualization is enabled until the host is rebooted. To enable it permanently, add the following line to the /etc/modprobe.d/kvm.conf file:

options kvm_amd nested=1

Testing nested virtualization

virt-host-validate

2025/05/15 12:06 · Jean-Baptiste

virt

Notes IPython derrière un reverse proxy

Docker-compose

Password less.

docker-compose.yml

version: '3.7'
services:
  ipython:
    image: jupyter/base-notebook
    restart: unless-stopped
    # Warning : No password !
    command: ["start-notebook.sh", "--NotebookApp.token=''","--NotebookApp.password=''"]
    environment:
      GRANT_SUDO: "no"
    user: root
    ports:
      - '127.0.0.1:8083:8888'
    volumes:
      - ipython_work:/home/jovyan/work
    networks:
      - ipython-net

networks:
  ipython-net:
    name: ipython-net

volumes:
  ipython_work:

J'ai eu me même pb : http://stackoverflow.com/questions/22665809/how-to-configure-ipython-behind-nginx-in-a-subpath

server {
        listen 80;
        root /usr/share/nginx/www;
        index index.html index.htm index.php ;
 
        server_name notebook.mondomain.fr ;
 
        error_log /var/log/nginx/error-notebook.log;
 
 
    location / {
        proxy_pass http://localhost:5001;
 
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 
        proxy_set_header X-NginX-Proxy true;
 
        # WebSocket support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 86400;
    }
 
    location ^~ /static/ {
        alias /usr/share/ipython/notebook/static/;
    }
}

cd
mkdir books
 
 
vim ipython_notebook_config.py

c = get_config()
 
c.IPKernelApp.pylab = 'inline'  # if you want plotting support always
c.NotebookApp.open_browser = False
c.NotebookApp.port = 5001

vi /etc/cron.allow
crontab -e
@reboot cd ${HOME}/books ; ipython3 notebook --pylab=inline --no-browser --profile=notebook >${HOME}/notebook.log 2>${HOME}/notebook.err

2025/05/14 03:22 · Jean-Baptiste

python, ipython, console, fixme

Notes install IPython sous Android avec Termux

Install iPython sur Android Termux

pkg update
pkg upgrade
pip install --user ipython

2025/05/14 03:22 · Jean-Baptiste

python, ipython, console, fixme

Notes fichiers - binaire executable exe elf

Voir aussi :

Prometheus windows_export i386 compilation go lang

file exefile
strings exefile
objdump -s -j .rodata exefile
ldd exefile

readelf -x .rodata hello_world.o


-h	Displays the ELF header, which contains key information about the file’s structure.
-S	Lists all the sections in the ELF file, showing details about each section’s address, size, type, and attributes.
-l	Displays the program headers, which describe the segments used at runtime.
-s	Shows the symbol table, including symbols defined and used in the ELF file.
-r	Displays the relocation sections, showing how the binary modifies itself at runtime.
-d	Displays the dynamic section, which contains information about dynamic linking.
-n	Displays core notes, which include metadata such as the build ID.

Autres

objdump -d /lib64/libc-2.9.so | fgrep -A5 '<time>:'

2025/05/06 14:48 · Jean-Baptiste

exe, binaire

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