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Question:
. How to run Ansible without specifying the inventory but the host directly?
. Run a playbook or command with arbitrary host not in the inventory hosts list?
. run ansible with arbitrary host/ip without inventory?

Answer:
Surprisingly, the trick is to append a ,
The host parameter preceding the , can be either a hostname or an IPv4/v6 address.

ansible all -i example.com,

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Byte-compiled / optimized / DLL files

pycache/ *.py[cod] *$py.class

C extensions

*.so

Distribution / packaging

.Python

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pip list -o | ForEach-Object { $data=$_ -split " "; python -m pip install -U $data[0]} 

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{
    "shellLauncher.shells.windows": [
        {
            "shell": "C:\\Windows\\System32\\cmd.exe",
            "label": "cmd"
        },
        {
            "shell": "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe",
            "label": "PowerShell 5.1"
        },

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python -m pip list --outdated | awk '{print $1}' | xargs -n1 python -m pip install -U

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echo 'deb https://deb.torproject.org/torproject.org stretch main deb-src https://deb.torproject.org/torproject.org stretch main' > /etc/apt/sources.list.d/tor.list

wget -O- https://deb.torproject.org/torproject.org/A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89.asc | sudo apt-key add -

apt install tor deb.torproject.org-keyring

apt install gvfs gvfs-common gvfs-daemons gvfs-libs gconf-service gconf2 gconf2-common gvfs-bin psmisc

OpenVPN

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#256 colors in putty, tmux/screen and vim There is a detailed answer on stackoverflow. If you are looking for a short one, here it is.

• putty

  Set Connection -> Data -> Terminal-type string to xterm-256color

• tmux

Add this line to ~/.tmux.conf

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<VirtualHost *:80>
    # The ServerName directive sets the request scheme, hostname and port that
    # the server uses to identify itself. This is used when creating
    # redirection URLs. In the context of virtual hosts, the ServerName
    # specifies what hostname must appear in the request's Host: header to
    # match this virtual host. For the default virtual host (this file) this
    # value is not decisive as it is used as a last resort host regardless.
    # However, you must set it for any further virtual host explicitly.
    #ServerName www.example.com

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zcat myfile.sql.gz | mysql -u root -ppassword mydb

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tar xzOf dump.sql.tar.gz | mysql -u $user -p $database