Modified Saturday 05-10 00:54

Echo in bash. Echo accepts an argument (a literal string or a variable) as standard input, and echoes it back to the terminal as standard output. In Bash, it's available as: the builtin bash command or the echo gnu utility if you give the full...

Modified Saturday 05-10 00:50

source is a built-in command that executes a script with the namespace scope of the caller. The point . is an alias. It will: read and execute commands from filename in the current shell environment return the exit status of the last command executed...

Modified Friday 04-10 02:28

This page is : the built-in test command and the test framework The if test condition-true construct is the exact equivalent of if [ condition-true ] Test unit framework in Bash djui/bashunit kward/shunit2 ...

Modified Friday 04-10 10:26

Python Virtual Environments allow Python packages to be installed in an isolated location for a particular project, rather than being installed globally. By default (without virtual environment), all package are installed by default in the same default...

Modified Friday 04-10 08:04

One of the most that you have to perform when you work in a migration of in a concurrent development environment is to check the difference between two text files. See Diff The Git merge conflict resolution markings is a series of search/replace...

Modified Thursday 03-10 07:42

The supplied names (variable or function) are marked for automatic export to the environment of subsequently executed commands. They are made available to all other command execution (script, ...). You can see them with the env command. declaringx...

Modified Thursday 03-10 07:37

Declare variables and/or give them attributes. where: names: If no names are given then display the values of variables. p will display the attributes and values of each name. When -p is used, additional options are ignored. F option inhibits...

Modified Thursday 03-10 07:33

Enable, disable and print builtin shell commands. -n disable the name; otherwise, names are by default enabled. -f means to load the new builtin command name from shared object filename, on systems that support dynamic loading. -d will delete...

Created Friday 30-08 10:11

An Action Plugin is a type of module that: set up some values on the controller, (ie create a start state) then invoke an other module on the managed node that does something with these values.

Created Friday 30-08 10:11

Adhoc command are command executed as in the shell via ansible. You can therefore execute command on a whole cluster of server. This is because the default module of the ansible command line is command We define the servers in a ini inventory...

Created Friday 30-08 10:11

You may get this problem when one of your file that defines ansible property has no content (ie is empty)

Created Friday 30-08 10:11

ansible-pull is command line client that runs playbook in a pull way (ie on the localhost) whereas ansible-playbook will run them in a push way. It is a small script that will checkout a repo of configuration instructions from git, and then run ansible-playbook...

Created Friday 30-08 10:11

ansible-vault is a command line utility that permits to add/get sensitive data (file or property value) into an encrypted format called a vault Example of sensitive data: password private keys When running a playbook, Ansible finds: the sensitive...

Created Friday 30-08 10:11

Created Friday 30-08 10:11

Ansible define and run a single playbook task against a set of hosts. Ansible “raw” module is a command line for executing commands in a quick and dirty way. The script module don’t even need Python installed. /usr/bin/ansible Running...

Created Friday 30-08 10:11

in Azure ansible/ansible/blob/devel/contrib/inventory/azure_rm.iniazure_rm.ini config Then Command in all host of resourceGroup with the ansible cli The playbook Run ...