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The SLS (representing the salt state file) is the core of the salt State system. SLS describes the target state of the system, which is composed of simple data formats. This is often referred to as configuration management first, the home directory of the salt is defined on the master, and the default is under/srv/salt
password by adding salt, you can increase the complexity of the password, even if the simplest password, after adding salt, can also become a complex string, which greatly improve the difficulty of password cracking. However, if the salt is hard coded in the program or randomly generated, each password hash using the same sal
I. Preparation of the first order Ansible installation is complete, below learn how to use ansible.Just like learning a programming language, first write a Hello World sample program. We also write a ansible "Hello World": Ansible 192.168.128.83-m Ping This command means ping 192.168.128.83 through the admin hostThe "-M ping" in the command indicates that the pi
We know that if the password is hashed directly, hackers can obtain the hash value of the password, and then query the hash value Dictionary (for example, MD5 password cracking website ), obtain the password of a user. Add Salt can solve this problem to some extent. The so-called add Salt method is to add some "condiments ". The basic idea is as follows: when a user provides a password for the first time (u
We know that if you hash the password directly, the hacker can get a user's password by getting the password hash value, and then by checking the hash value dictionary (such as MD5 password to crack the website).Adding salt can solve this problem to some extent. The so-called salt method, is to add a "seasoning." The basic idea is this: When a user first provides a password (usually when registering), the s
Ansible is a free, open-source configuration and automation tool developed for Unix-like systems. It is written in Python and is similar to Chef and Puppet. but there is a difference and advantage that we do not need to install any client in the node. It uses SSH to communicate with nodes. In this article, we will install and configure Ansible on CentOS7 and try to manage the two nodes.
Install salt-minion ON RHEL5 This article applies to rhel5.4, 6.4, and. el5.4 is used as an example. 1 online installation is extremely simple: # Wget -- no-check-certificate-O install_salt.sh https://bootstrap.saltstack.com# Sh install_salt.sh-I The above applies to el5, el6, el7, and other versions. You can find a bunch of repo under/etc/yum. repos. d/and save the following: Epel. repoEpel-testing.repoSaltstack-
One, grains Grains: This is the same as Puppet's Facter function. Mainly responsible for collecting some basic information of the client, this is also fully customizable, can be customized in the client, and then automatically report up, you can also from the server-side definition and push down, after the acquisition, and then report up grains information is static; pillar and grains compare his flexibility, Define that definition, and then take the value.Usage of grains:1[email protected] ~]#
This time research operation and maintenance automation, the study to the SALT-API part encountered a lot of pits, here record, the front of the successive replenishment.1, the process of the topic, the beginning of steps:cd/etc/yum.repos.d/wgethttp://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpmrpm-ivhepel-release-6-8.noarch.rpmyum-yinstallkernel-firmwarekernel-headersperfe2fsprogsrpm-ivhlibyaml-0.1.3-1.4.el6.x86_64.rpmrpm-ivhPyY
Background: There are a lot of optional returner items in salt, but they all need to be configured in minion. I think this is quite tricky, and we use fluent to collect data on our platform, so a reutren is customized, and then collected and processed using fluent. The import process is as follows: 1: mysql table structure: CREATETABLE 'fluent '; createtable' salt _ returns Background: There are a lot of op
Installation# yum-y Install Salt-apiChange ConfigurationVim/etc/salt/masterDrop the default comment on our side. The default profile directory is/srv/saltDEFAULT_INCLUDE:MASTER.D/*. confCreate a Directory#cd/etc/salt# mkdir Master.d/# CD Master.d/Create two files and add a configuration# cat api.conf rest_cherrypy: 0.0. 0.0 8080truetrue # cat eauch.conf E
in cryptographic operations, making the output more elusive. The entropy of the salt determines the amount of variation in the output of the same input case. N-bit long salt, so that a clear text corresponds to 2n of possible ciphertext. Having enough salt will immediately block the look-up attack. The purity of the salt
Salt installation and use 1. preparations for installing and installing centos system salt: many of our servers do not have internet permissions. it doesn't make much sense to set up each source server. Therefore, we use the nginx proxy function, reverse proxy of the yum source address on the Internet to the intranet. Example: the Jiangsu server ipxxx. xxx has nginx and other intranet machines.
SALT-API installation of the pit-stepping processInstallation Salt-api Indeed some twists and turns, but also need a lot of small partners did not encounter, but for the small partners encountered, hoping to give reference.Server System CentOS 6.7 deployment Salt-api,salt-master and
Install Salt-minion on REHL5This article applies to rhel5.4, 6.4, 7. Take el5.4 for example only.1 Online installation method is extremely simple:# wget--no-check-certificate-o install_salt.sh https://bootstrap.saltstack.com# sh install_salt.sh-iThe above applies to El5, El6, EL7 and other versions. You can find a bunch of repo under/etc/yum.repos.d/, save the following:Epel.repoepel-testing.reposaltstack-salt
In recent days, almost all the world's most concerned about the matter is Japan's 9 magnitude earthquake. The 9-magnitude earthquake caused a huge tsunami, causing significant damage to Japan's coast, and, more frightening, a tsunami that caused the nuclear plant to explode, causing intense radiation.As a result, there are a series of rumors at home: Japan's nuclear fallout has blown to China, China's coastal areas have suffered severe radiation, salt
Install salt-minion ON REHL5Install salt-minion ON REHL5 This article applies to rhel5.4, 6.4, and. el5.4 is used as an example.1 online installation is extremely simple: # wget --no-check-certificate -O install_salt.sh https://bootstrap.saltstack.com# sh install_salt.sh -I The above applies to el5, el6, el7, and other versions. You can find a bunch of repo under/etc/yum. repos. d/and save the following:
Tags: salt return value returnerThe Salt return Receiver (returner) allows the Minion response to be stored in various data stores or in different locations, even displaying the response content on the command line. Returner can be used to extend the salt, and to communicate with new, customized interfaces and support for new databases. This example uses the MySQ
Ansible through the way of the module to complete some remote management work. You can view all modules through ansible-doc-l, you can use Ansible-doc-s module to view the parameters of a module, or you can use Ansible-doc Help module to view more detailed information about the module. The default module location is/us
First, host planning Create 4 virtual machines as a demo ansible environment, install the operating system as CentOS 7.4. 1 of them as management host, the other 3 as the managed host. IP and host name are: IP host name note 192.168.128.10 Ansible-manager Management host 192.168.128.11 Ansible-demo1 managed host 1 192.168.128.12
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