Linux Stuff

Templates The following functions and macros can be used within templates. These are guaranteed to work via the safemode rendering, to ensure a template can do nothing harmful. With safemode disabled other macros may work, but are not supported at this time. To enable safemode, set "safemode_render" to "true" in Settings -> Foreman settings. Safemode rendering prevents templates from reading and writing files on the file system or modifying application data within foreman. Accessing Templates There are two ways to render a template, based on a single host, or based on a Hostgroup. The host or hostgroup provides all the details with which to render the template. Host-based Rendering Only a single template of each type may be rendered for a system. Foreman determines which template to use following these rules: 1. Only the templates of the appropriate kind and associated with the hosts operating system are considered 2. If a...

To check the disk free with ansible you can run the following command To get all the hosts execute: # ansible -m command -a "df -h" all To get some group the hosts  ansible -m command -a "df -h" -i <hosts file>

 For this example you need to create the following directories as best practices For example root  |  ---- group_vars  |  -----roles  |          |  |          ----common  |-- site.yml  |-- hosts Create the root directory in this example named ansible #mkdir  ansible create the group_var and roles directories #mkdir group_vars #mkdir roles Create the files site.yml and hosts # touch site.yml # touch hosts Too create the common directory change to the directory roles and execute the following command ansible-galaxy init common this command create the standard infrastructure directories for use with ansible playbook For this example i would like to put the sudoers files in some machines to get this result we need to go into the common directory and there go into the tasks directory you are going to find a file named main.yml open it and copy the following ...

Deploy the files to the Satellite server Download the latest ISO from VMware (e.g. VMware-ESXi-5.5U2-RollupISO2.iso). Transfer to the satellite server Run some code # mount -o loop VMware-ESXi-5.5U2-RollupISO2.iso /mnt # mkdir /var/lib/tftpboot/boot/esxi55u2 # cd /mnt # cp -a * /var/lib/tftpboot/boot/esxi55u2 # cd /var/lib/tftpboot/boot/esxi55u2 # sed -i 's#/#/boot/esxi55u2/#g' boot.cfg # cd .. # restorecon -R esxi55u2 Create the Operating System inside Satellite Hosts -> Operating Systems Click New Operating System Operating System Name: ESXi Major version: 5 Minor version: 5 Description: ESXi 5.5U2 OS Family: Red Hat Arch: x86_64 Partition Table Kickstart Default Installation Media Any Mirror – Can create a esxi mirror if desired. Hosts -> Provisioning Templates Click New Template Provisioning Template Name: ESXi OCP PXELinux SERIAL 0 115200n8 DEFAULT esxi5.serial PROMPT 0 MENU TITLE PXE Boot LABEL esxi5.serial MENU LA...

This issue occurs when there is a time difference in Satellite and Capsule server. Ensure that both the Satellite server and Capsule server is synced with the ntp or cronyd. Once the time is in sync, re-run the capsule-installer command to configure capsule server.  Diagnostic -Checking /var/log/messages goferd make  a clear error about authethication failed Feb 11 06:00:32 awscapsule01 goferd: [ERROR][worker-0] pulp.agent.lib.dispatcher:112 - PermissionsException: RequestException: GET request on /pulp/api/v2/consumers/add48221-f2d7-4bbe-b5ee-0eef65c24774/bindings/Centos-6/ failed with 401 - Authentication with username admin failed: invalid oauth credentials. Feb 11 06:00:32 awscapsule01 goferd: [INFO][worker-0] gofer.agent.rmi:128 - sn=76004451-4fc4-47d2-9862-29beb1d72e92 processed in: 2.181 (seconds)

First find out the UUID of the package you will delete: Katello[~] # hammer package list --organization-label=rh --product=testrepo -------------------------------------|------------------------------------------------------ ID | FILENAME -------------------------------------|------------------------------------------------------ ab214fca-4a00-4275-b019-81d557b4e117 |test.rpm -------------------------------------|------------------------------------------------------ To obtain the ID of repository where the package is located, run the following command: satellite [~] # hammer repository list --organization-label=rh --product=testrepo ---|----------|----------|--------------|---- ID | NAME | PRODUCT | CONTENT TYPE | URL ---|----------|----------|--------------|---- 1 | test | test | yum | ---|----------|----------|--------------|---- Remove the package from the custom repo...

 The following error appear when try to generate a capsule certificate #capsule-certs-generate --capsule-fqdn capsule01.test.internal --certs-tar /root/capsule01.test.internal-certs.tar # /usr/share/ruby/vendor_ruby/puppet/parser/parser_support.rb:175:in `rescue in parse': Could not parse for environment production: invalid byte sequence in UTF-8 at /root/celery.pp:1 (Puppet::Error) from /usr/share/ruby/vendor_ruby/puppet/parser/parser_support.rb:166:in `parse' from /usr/share/ruby/vendor_ruby/puppet/node/environment.rb:536:in `block in perform_initial_import' from /usr/share/ruby/vendor_ruby/puppet/node/environment.rb:534:in `map' from /usr/share/ruby/vendor_ruby/puppet/node/environment.rb:534:in `perform_initial_import' from /usr/share/ruby/vendor_ruby/puppet/node/environment.rb:255:in `known_resource_types' from /usr/share/ruby/vendor_ruby/puppet/resource/type_collection_helper.rb:5:in `known_resource_types...