jueves, 13 de octubre de 2011
Agregar los repositorio a chef
Lo primero es tener instalado git para poder jalar el repo de ospcode:
sudo apt-get install python-software-properties
sudo add-apt-repository ppa:git-core/ppa
sudo aptitude update
sudo aptitude safe-upgrade
sudo aptitude install git
Git es necesario, dado que el comando knife cookbook funciona usando git, es una ventaja ademas, tener los cookbooks en un repositorio con versiones de control. Crea un repositorio en GitHub donde almacenaras tus cookbooks, y dale los permisos necesarios para acceder desde tu chef-master. Crea en el chef-master las llaves para autenticar con el repo github.
ssh-keygen -t dsa
Asegura que la carpeta /var/chef/cookbooks (donde por defecto van los cookbooks) pertenezca al usuario que modificará los mismo
sudo chown luis:luis -R cookbooks
Inicializa un repositorio git:
git config --global user.name "Luis García Acosta"
git config --global user.email luis@springstar.com
git init
git add README
git commit -m 'first commit'
git remote add origin git@github.com:lgarciaac/springstar-cookbooks.git
git push -u origin master
Una ves logrado esto, chef y hithub están configurados para gozar de las bondades de chef, puedes empezar a agregar tus propios repositorios o repositorios publicos que se encuentran en http://community.opscode.com/cookbooks. En mi caso, no me pueden faltar ni mysql, ninginx ni apt
knife cookbook site install mysql
knife cookbook site install nginx
knife cookbook site install apt
Despues, basta con un simple push para manterner todo en HitHub
Una vez descargados los cookbooks, hay que subirlos al chef-server.
knife cookbook upload munin ó knife cookbook upload -a (sube todos los cookbooks respetando las dependencias)
Si este depende de otros cookbooks, va a protestar y a pedirlo antes
miércoles, 12 de octubre de 2011
Como instalar chef server en ubuntu
Como instalar chef master me ha dado tantos dolores de cabeza, creo que lo mejor es dejar un record de lo que he echo, tanto para mi como para otras personas. La instalación va a ser a travez de apt-get, por por gem
Entorno:
Ubuntu 10.04, instalación totalmente nueva solo ssh server como extra pakete
Actualizar la paqueteria de Ubuntu
sudo apt-get update; sudo apt-get upgrade
Agregar el reposito de Ospcode como se refleja en http://wiki.opscode.com/display/chef/Installing+Chef+Server+on+Debian+or+Ubuntu+using+Packages
sudo touch /etc/apt/sources.list.d/opscode.list
sudo echo "deb http://apt.opscode.com/ `lsb_release -cs`-0.10 main" | sudo tee /etc/apt/sources.list.d/opscode.list
Agregar el GPG Key y upgradear el indice
sudo mkdir -p /etc/apt/trusted.gpg.d
gpg --keyserver keys.gnupg.net --recv-keys 83EF826A
gpg --export packages@opscode.com | sudo tee /etc/apt/trusted.gpg.d/opscode-keyring.gpg > /dev/null
sudo apt-get update
sudo apt-get install opscode-keyring
Instalar chef y chef-server. Este paso descargará cerca de 200Mb, instalará RabbitMQ, CouchDB, Chef Server apies, Chef Server UI, en fin, todo lo que necesitamos :-)
Siguiendo las instrucciones de la referencia todo debe de marchar bien. Ademas del .pem para el cliente, se tiene que copiar el validator.pem
domingo, 2 de octubre de 2011
Cómo instalar el corrector ortográfico en español para libreoffice, ubuntu
sudo apt-get install myspell-es
esto es todo.
viernes, 19 de agosto de 2011
How to use Telnet to send email over Port 25 using SMTP
SMTP: Simple Mail Transfer Protocol (SMTP) is the de facto standard for e-mail transmissions across the Internet.
Step # 1: First, open a command prompt. To open a command prompt window, click Start, Run and then type in cmd and press Enter. You can also press the +R to open the Run prompt and then type in cmd in the open text box.
Step # 2: You need to know a remote mail server. If you are still in school or working, there is the excellent opportunity to use your University mail server or your company’s mail server for this.
type in telnet RemoteMailServer 25 at the command prompt. The Remote mail server here in this command is the mail server of your school or company. It is usually mailhost..edu or compmail..com or something on those lines. When you press enter, you are shown a quick prompt that you are connecting to the remote mail server.
Step # 3: Introduce yourself to the mail server. Play around a bit.
type in helo mailhost at the command prompt. The mail server responds back with something like this
250 RemoteMailHost. Hello , pleased to meet you.
Step # 4: You can now enter your email address.
type in mail from: your email id @ blah.com
The mail server responds back with a 250 … sender ok
Step # 5: You can now enter your receipient’s email address
type in rcpt to: recipient email id @ blah.com
The mail server responds back with a “Recipient OK” message
Step # 6: Now, you are ready to type in the body of the email message.
type in data and press enter.
Now, type your message and then finally press Enter. To end your message type in a single period “.” . Your message is now in the queue
Step # 7: To complete and finish the process, type in quit and press enter. The mail server responds with a “Bye” after which you see a “Connection to host lost” message displayed.
jueves, 18 de agosto de 2011
martes, 19 de julio de 2011
Instalar Git server Ubuntu, con ssh-key
http://fclose.com/b/linux/1434/managing-repositories-on-git-server-using-gitosis/
https://help.ubuntu.com/community/Git
Si da problemas pidiendo passwords:
http://www.baptiste-wicht.com/2010/07/tip-how-to-solve-agent-admitted-failure-to-sign-using-the-key-error/
Instalar passenger
sudo passenger-install-apache2-module
El segundo comando larga una serie de validaciones, es muy instuitivo de seguir. Luego hay que modificar la configuracion del apache. Algo más o menos así debe ser escrito (seguir las instrucciones del passenger-install-apache2-module, estas son un ejemplo)
LoadModule passenger_module /opt/local/lib/ruby/gems/1.8/gems/passenger-2.2.11/ext/apache2/mod_passenger.so
PassengerRoot /opt/local/lib/ruby/gems/1.8/gems/passenger-2.2.11
PassengerRuby /opt/local/bin/ruby
Por último, crear un virtual host:
<VirtualHost *:80>
ServerName www.yourhost.com
DocumentRoot /somewhere/public # <-- be sure to point to 'public'!
<Directory /somewhere/public>
AllowOverride all # <-- relax Apache security settings
Options -MultiViews # <-- MultiViews must be turned off
</Directory>
</VirtualHost>
CREANDO MAS DE UNS PROYECTO, CORRIENDOLOS CON DIFERENTES RUBY/GEM VERSIONES
Se
Como instalar mysql gem on ubuntu
gem install mysql
Nos de un problemón. Primero que todo dejar por seguro que tenemos instalado mysql-serve y mysq-client, luego instalar las librerias de mysql para ruby, y finalmente instalar la gem :-)
sudo apt-get install mysql-server mysql-client sudo apt-get install libmysql-ruby libmysqlclient-dev sudo gem install mysql
jueves, 16 de junio de 2011
Variables de entorno
Ruby:
#envs only for the database
ENV['ORACLE_HOME'] ='/usr/lib/oracle/11.2/client'
ENV['LD_LIBRARY_PATH'] ='/usr/lib/oracle/11.2/client/lib'
ENV['ORACLE_SID'] ='ifollow'
ENV['TNS_ADMIN'] ='/home/nagios'
Como instalar sqlplus para check_oracle_health
http://samushka.blogspot.com/2009/04/installing-oracle-sqlplus-in-ubuntu.html
Instalar el check_oracle_health. En la vida real no hace falta el Modulo perl, si se usa sqlplus
http://labs.consol.de/lang/en/nagios/check_oracle_health/
lunes, 23 de mayo de 2011
Borrar los comandos, servicios de Nagios que no se usan
DELETE FROM service WHERE id NOT IN (SELECT service_id FROM service_to_host)
DELETE FROM host_service_param WHERE service_id NOT IN (SELECT service_id FROM service_to_host)
DELETE FROM command WHERE id NOT IN (SELECT command_id FROM service) AND id NOT IN (15,5,287,253,103,4,104,3,43,22)
Cambiar el usuario del nagios al enviar email
- Cambiar hostname en: /etc/postfix/main.cf
- Cambiar hostname en: /etc/mailname
- Reiniciar postfix
- Cambiar el Nombre del usuario de Nagios en /etc/passwd
Live Status for Nagios
http://mathias-kettner.de/checkmk_livestatus.html
Tratar de instalar solo el livestatus, no el resto de las cosas
Instalando el paquete solamente hace falta bajarlo de aquí:
http://mathias-kettner.de/download/
Despues en Thruk el fichero de configuración es: thruk.conf en la carpeta raiz the thruk. Copiar cualquiera de los ejemplos
Como probar que funciona??
desde donde sse instaló, correo un comando tcp en el unix socket para ver si resuelve, se explica en la página.
No olvidar configurar /etc/xinetd.d/livestatus y reiniciar xinetd para acceder desde otra máquina
lunes, 2 de mayo de 2011
Ver tamaño de las bases de dato
SELECT table_schema "Data Base Name", sum( data_length + index_length ) / 1024 / 1024 "Data Base Size in MB" FROM information_schema.TABLES GROUP BY table_schema;
Puppet in Solaris
Instalation
Puppet requires both Facter and Ruby, neither of which will be found in a standard Solaris 8/9/10 installation.
A good and easy way to install Puppet and its dependencies is to use the OpenCSW archive. The first step is to install pkgutil, which enables you to easily retrieve software from the OpenCSW repositories.
With pkgutil installed, you can use it to install Puppet and it’s dependencies:
# /opt/csw/bin/pkgutil --yes --install puppetNote that this not only installs puppet, it also enables the puppet agent. This installs a SMF(5) service:
# svcs svc:/network/puppetd:defaultOnce installed you must create de /etc/puppet/puppet.conf, and make sure that the ssldir exist. By default the ssldir point to /var/opt/csw/puppet/ssl, and this location doesn't exist.
Even when client defines ways to provide the puppetmaster, the way it worked for me was adding an entry in /etc/host for puppet, which is the default server the client takes.
Now you can restart you client puppet ;-)
Configuration
Puppet configuration can also be managed via configuration file. Puppet’s configuration file model is in the style of INI files. Each file is divided into namespace sections, and each section name is enclosed in parentheses and named for the Puppet function it configures; for example, the namespace used to configure the Puppet client daemon is called [puppetd]. The use of namespaces means options can be used in multiple namespaces, if the option is relevant to the binary being configured. For example, you can specify the same option twice, with different values, in the [puppetd] and [puppetmasterd] namespaces, and each binary will use only the configuration option contained in its own namespace.
Sections are:
main: General configuration options for multiple elements of Puppet
puppetd: Configuration options related to the Puppet client daemon
puppetmasterd: Configuration options related to the Puppet master daemon
An example:
[main]
vardir = /var/lib/puppet
logdir = /var/log/puppet
[puppetd]
localconfig = $vardir/localconfig
You can also use any configuration option from the Puppet configuration file on the command line by prefixing it with --. So to specify the vardir option on the command line, we would specify --vardir as an argument. Boolean configuration options are specified on the command line using an on/off model like so:
# puppetd --trace
# puppetd --no-trace