ble tag

96 questions

1 answers
142 views
0

I want to perform certain tasks even if I fail to execute them in the middle.

I would like to automatically start the server that is normally stopped, run the recipe, and then return it to stopI couldn't use roles and pretasks well, so I put them all together by playbook-import...

ansible

2 years ago

1 answers
91 views
0

How do I learn how to replace the linux command with an executable yaml and learn how to write it?

I'd like to rewrite the steps to set up CentOS 7 to Yaml, an answerable, to automate it.However, each component you want to installnginx·php-fpm·postgres·vftps·webminRepository Set Installation and Va...

centos ansible

2 years ago

1 answers
95 views
0

I can't ping the machine I set up with a vagrant from an executable.

I started learning about the possible, but when I ran ansable all-i hosts-mping, the following error occurred and I couldn't proceed.vagrant-machine | UNREACHABLE!=>{ changed—false, msg: Failed to...

vagrant ansible

2 years ago

1 answers
101 views
0

How do I execute instructions on a control node in Ansible?

We believe that the destination of the instructions in Ansible is basically the target node listed in the inventory file.For example, when you specify a path on a copy module, you must also specify a ...

python ansible

2 years ago

1 answers
125 views
0

Understanding Configuration Changes to Ansible Multiple Targets

I am currently studying Ansible.Programming is almost beginner level.Verification is underway to allow Ansible to make configuration changes to multiple Linux servers.·I would like to set different se...

python linux ansible yaml configuration-management

2 years ago

1 answers
101 views
0

To determine if a variable exists?

What should I do if I want to know what variables exist or not?Is there any other way than to write an exception like my code?try: myVarexcept NameError: # # Do something.

python exception variable

2 years ago

1 answers
125 views
0

I want to change it to a string without any unnecessary parts such as zero below the decimal point when I print out the real number, what should I do?

On 64-bit operating systems, double represents up to +-253. Until 53I'm using double because I think the size of the number I'm expressing is about unsigned 32-bit Integer. The problem is that even if...

string java floating-point format double

2 years ago

1 answers
151 views
0

Why should global variables be written to a minimum?

The professor told me to use the discharge variable only when it's really inevitableWhy is that?If there are more functions, it's hard to transfer factorsThis is too much trouble

c c++ global-variable

2 years ago

1 answers
102 views
0