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Seleccionar la petición que queremos actualizar.
Pinchar en "Actualizar" en la parte superior central de la pantalla.
Se nos abrirá una pantalla en la que debemos proceder siguiendo exactamente...
The steps I took to add a volumen to the pool were the following:
- Plug the disk.
- Format the disk.
- Edit the file /etc/bacula/bacula-dir.conf and add:
Storage {
Name = File2
# Do not use...
Para insertar o eliminar host en la monitorización de Nagios es necesario editar 3 archivos:
- hosts.cfg
- hostgroups.cfg
- extinfo.cfg
Estos se encuentrasn en /etc/nagios/conf.d/
su -
cd...
Antes de nada, recordar hacer una copia de los archivos que vamos a modificar.
cd /etc/nagios3/conf.d
root@monitor:/etc/nagios3/conf.d# cp services.cfg /root/etc/nagios3/conf.d/services.cfg.`date...
#!/bin/bash
SVNHOME=/var/svn
if [ "$1" == "" ]; then
echo "Usage: $0 nombreRepositorio "
exit 1
fi
if [ -d "$SVNHOME/$1" ]; then
echo "Error: The repository $SVNHOME/$1...
- Set up an email account
- Set up a Samba account
- Set up Egrouware
- Set up subversion
- Set up gpg4win
- Set up gpg in linux
- Create a RSA key pair
- Delete samba account
- Redirect email account to group responsible? If necessary, if not - delete
- Move all emails to group responsible?
- Set up an alert on the calendar to delete/disable the...
Original source: Scaling Apache
Scaling Apache 2.x beyond 20,000 concurrent downloads
ftp.heanet.ie is HEAnet's National Mirror Server for Ireland. Currently mirroring over 50,000 projects, it is a...
Install mod_perl and libgtop
yum install mod_perl.x86_64 mod_perl-devel.x86_64
yum install libgtop2.x86_64 libgtop2-devel.x86_64
Create a directory to store your scripts:
mkdir...
You can have really serious problems if you enable mod_deflate and then cache this content too as far as I can...
Controlando recursos de Apache con mod_slotlimit
mod-evasive para evadir ataques ddos-dos y fuerza bruta
<VirtualHost *:81>
ServerName www.hummy.org
ServerAlias hummy.org origin-www.hummy.org staging.hummy.org
DocumentRoot /var/www
ProxyRequests Off
ProxyVia On
ProxyPass /shield !
ProxyPass...
Bacula installation
Adding a volume to the pool
root@rita:~# apt-get install postgresql-8.3-ip4r postgresql-8.3-postgis libpgtypes3 postgresql-8.3 postgresql-client-8.3 postgresql-contrib-8.3 postgresql-plperl-8.3 postgresql-doc-8.3...
Trouble shooting errors with bind:
Troubleshooting bind
Compile/configure BIND
Compile - install bind
touch -r /root/fileWithCorrectTime fileToBeChanged
- Login to the nagios server
- Become root user
- Navigate to the nagios directory
cd /etc/nagios2
Take a backup of the contacts file.
cp conf.d/contacts.cfg contacts.cfg.`date +%d%b%g`
-...
Change the hostname, domainname and gateway of a Unix machine.
This example is for Red Hat, but is very similar for any other *NIX distribution.
We will start by modifying the host file...
http://www.subvs.co.uk/ubuntu_change_hostname_computer_name
Changing the hostname or computer name in ubuntu
This is a really simple one, but can cause a lot of weeping and gnashing of teeth. You...
Changing hostname in ubuntu
Changing hostname in Red Hat - Centos
This is a sample PHP-MySQL script that will check connectivity:
<?php
if (!mysql_connect('IPAddress', 'MySQLUser', 'Password'))
die('Could not connect: ' . mysql_error());
echo 'Connected...
Para cerrar o borrar un proyecto, hacemos lo siguiente:
Ir a administración > Proyectos (en la parte izquierda un poco más arriba del medio, no en la parte superior)
Localizar el proyecto que...
Revisar las peticiones que se encuentra en estado "Resuelta", "Rechazada", "Duplicada", que se encuentren o no asignadas a nosotros mismos.
Es obligación para la gente que resuelve una petición,...
Installation
Configuration
Clock and timezone set up
Change timezone permanently
cat /etc/sysconfig/clock
dateconfig
mv /etc/localtime /etc/localtime`date +%d%m%g`
ln -s /usr/share/zoneinfo/Europe/Madrid /etc/localtime
ntp...
Creación de proyectos
Creación de peticiones
Actualización de peticiones
Cierre de peticiones
Cierre/Borrado de proyectos
Notificaciones por correo
Compile Apache with mod_deflate
cd /usr/local/src
rm -Rf httpd-2.0.63
tar -xvjf httpd-2.0.63.tar.bz2
./configure --prefix=/usr/local/apache.2.0.63-deflate --enable-rewrite --enable-ssl...
Changes applied to Apache in this document:
* Replacing apache with a new version
* Adding mod_status and a virtual host for monitoring purposes
PRE
compilation:
cd /usr/local/src
wget...
Prepare the directory structure:
cd /usr/local/
mkdir bind-9.6.0-P1
ln -s bind-9.6.0-P1/ bind
mkdir -p /usr/local/bind/var/named
mkdir -p /usr/local/bind/var/cache
mkdir -p...
Step to safely compile a jrun connector for Coldfusion minimizing downtime and risk
PRE
Locate your coldfusion installation, in my case it is /opt/coldfusionmx7.
mkdir /tmp/jrun
cp...
Google tricks
Proxy servers
Free upload space
Security compilation
Set up a custom domain at wikidot.com
Password management policy
How to select a password management system
XSS
Software...
Comment out the line starting with 'Example' on freshclam.conf and clamd.conf.
freshclam.conf:
Example -> #Example
DatabaseDirectory /usr/local/share/clamav
UpdateLogFile...
Crear el directorio donde ubicaremos los diferentes document root:
mkdir -p /home/ulysse/datos/www
chown ulysse:www-data /home/ulysse/datos/www
chmod 2750 /home/ulysse/datos/www
Configurar...
Instructions for doing this are very well explained in [Tomcat documentation http://tomcat.apache.org/tomcat-5.5-doc/virtual-hosting-howto.html], nevertheles is always useful to have an example of...
If you feel like, you can drop me a line at gro.ymmuh|oiram#gro.ymmuh|oiram ;)
perl -le 'print scalar localtime 1227061431'
Para crear peticiones, hacemos click en Nueva Peticion.
Elegimos el tipo de petición acorde en el menú desplegable, tareas, errores, soporte…
Elegir un tema adecuado y una descripción de la...
Para crear un proyecto, hacer click en proyectos en la parte superior izquierda de la pantalla.
En la siguiente pantalla hacer click en "Nuevo proyecto" en la parte de la derecha.
Rellenar el campo...
Sefl-signed certificates creation
One-liner command to generate a certificate:
openssl req -x509 -nodes -days 3650 -subj...
Trac users are kept in:
/var/bigfish/devel/trac_bf/users.htdigest
In order to create a user issue the following command:
[root@newfish trac_bf]# cp /var/bigfish/devel/trac_bf/users.htdigest...
*http://bulma.net/body.phtml?nIdNoticia=1859**
Este artículo está hecho para aquellas personas que estén hartas de
tener que formatear y reparticionar cada vez que se quedan sin espacio
en una...
For a system user:
adduser --system --gid 100 --disabled-password --disabled-login --no-create-home --shell /bin/false UserName
For a normal non-system user that needs ssh access, it has to be...
Mirar pagina de yorespondo.com
Leer emails
Aplicar medidas correctivas en caso necesario
Monitorizar servidores
Continuar con tareas pendientes.
http://flakshack.com/anti-spam/wiki/index.php?page=Installing+DCC
wget http://www.rhyolite.com/dcc/source/dcc.tar.Z
./configure --with-uid=mail --bindir=/usr/bin --with-db-memory=48...
Login to the samba server and do a:
root@rita:~# find /samba/ -type d -name 'PersonLeaving'
mv /samba/comercial/PersonLeaving /samba/comercial/GroupResponsible
cp smbpasswd smbpasswd.`date...
instrucciones de ejemplo para configurar la aplicación del XXXX
Despliegue aplicación XXXX
Índice de contenido
1. SOFTWARE UTILIZADO
2. CONFIGURACIÓN JAVA
3. CONFIGURACIÓN TOMCAT
3.1...
Libro muy completo sobre administracion de servidores linux (In Spanish)
X-server for windows
The Perfect Server - CentOS 5.2
Building a DNS IPv6 Linux Server
linux y el manejo del...
DRBD installation
Sendmail + DRBD + Heartbeat
ubuntu 804 - xen-33 - drbd8 - ocfs2 - heartbeat2
Resources configuration
linux-ha - DRBD
Antes de empezar, asegurate que ambos nodos tienen instalado ntpd y que la hora de ambos es la misma.
Hacer la instalación del sistema operativo elegido (CentOS en nuestro caso).
Descargar DRBD y...
Virtual Domains with Exim + Courier-IMAP + MySQL
I have been researching a little bit about a free space on a server where I could put files and link them from wikidot.com as the space they provide for storage (50MB) is ridiculous :)
This is...
Geoserver uses a servlets server called jetty.
Here you can find a document on how to optimise Jetty.
I have also found a couple of documents explainig how to do rewrite rules with jetty
This one,...
Geoserver es un software de servidor de código abierto escrito en Java que permite a los usuarios compartir y editar los datos geoespaciales.
Aplicación que utilizamos junto con [[Postgres]] y...
I hack stuff
Google advanced operators
7 Clever google tricks
When you finish configuring mdadm, make sure you write the mbr of every disk, so all your drives are bootable.
grub-install /dev/sda
grub
device (hd0) /dev/sda
root (hd0,0)
setup...
www.debianhelp.co.uk
Modify kernel logging
Modify files open / kernel threads max
Increase number of file descriptors
Changing the hostname
Install deb-src
Uninstall packages with errors (apt-get)
Wheel...
You can find in different ways in Ubuntu:
Solution 1
cat /etc/issue
The file /etc/issue holds the version of Ubuntu installed on your system
Solution 2
lsb_release -a
or
cat...
Increase the number of file descriptors for user nobody
Reference:...
Create the clamav group:
addgroup --system clamav
Create the clamav user and add it to the group:
adduser --system --gid XXX --disabled-password --shell /bin/bash clamav
Add clamav user to...
Get the source:
cd ~
mkdir slapd_woody-source
cd slapd_woody-source
apt-get source slapd
apt-get build-dep slapd
apt-get install libssl-dev
cd ~
mkdir libnss-ldap_woody-source
cd...
Download Tomcat's zip package from Apache's website.
http://tomcat.apache.org/download-55.cgi
And choose the version that best suits your needs.
It is a very good practice to check the keys of the...
Wikipedia's database schema
Explaining java.lang.OutOfMemoryError: PermGen space
Most probably, a lot of Java developers have seen OutOfMemory error one time or other. However these errors come in different forms and shapes....
Please change this page according to your policy (configure first using Site Manager) and remove this note.
Who can join?
You can write here who can become a member of this site.
Join!
So you...
...
Linux related docs
I hope you find these documents useful, I had to use them at some point in my life, so I'm putting them together here to make your life easier (I hope).
As always, no warranty is...
Root filesystem over LVM2 & DM-Crypt & RAID
Truecrypt
Good mdadm article
http://www.debian-administration.org/articles/238
Original source: mdadm-config
Personal note:
If you install a new kernel you will have to recreate the initrd image with raid...
Propiedades de la canela y la miel
http://www.postfix.org/faq.html
http://www.ubuntugeek.com/performance-tuning-with-system-control-sysctl-in-ubuntu.html
You can find the value of all these parameters in your system by catting the...
By default Centos 4.5 doesnt log kernel messages to the console.
In order to enable kernel logging in Centos 4.5 (In oder distros the process is very similar, though) to log to the console and to a...
If you use an old Knoppix version you may need to install LVM tools first. Version 5.0.1 and later (at least) already have the packages and dm-mod module loaded, and the following first steps are...
MysqlTuner
Mysql tuning-primer.sh
MySQLTuner
Optimizing MySQL: Hardware and the Mysqld Variables
Slow queries optimization
MySQL tuning
Mysql optimization
Tools, tips and links on optimizing...
http://www.debuntu.org/2006/07/21/75-how-to-optimize-mysql-response-time
How To: Optimize MySQL response time
High loaded website can get slow to respond when a lot of different visitors visit...
http://www.databasejournal.com/features/mysql/article.php/3110171/MySQLs-Query-Cache.htm
You can read about optimizing queries and indexes, optimizing by improving the hardware, and tweaking the...
Nagios3 installation
Nagios3 configuration
Add/remove nagios3 hosts
Add/remove nagios3 services
cd /etc/nagios3
Lines preceded by "<" are taken out of the file, lines preceded by ">", are included on the file:
apache2.conf
< #ScriptAlias /cgi-bin/nagios...
h1. Instalación Nagios3
vi /etc/apt/sources.list
Add:
#Nagios 3 for ubuntu hardy:
#https://launchpad.net/~rogerw/+archive/ppa
deb http://ppa.launchpad.net/rogerw/ppa/ubuntu hardy main
deb-src...
This wiki describes the steps to set up a netdump server minimizing any risks and downtime.
Netdump is the dump utility used by default in Centos 4.5.
It has some restrictions, basically not all...
Rancid + tacacs + cisco
WEP Attacks
Ping Tunnel
IP over DNS
IP over ICMP
Con la configuración por defecto se reciben solo emails de actualizaciones si es una tarea actualizada está asignada a nosotros mismos o si la hemos creado nosotros.
Una forma de recibir alertas...
I have 2 DELL 1950 servers.
I needed to monitor the raid controller on them and see if the array is failing.
I've found 2 ways to accomplish this task:
- Using the MegaCLI utility (MegaRAID SAS...
Drip
PHP V5.2 - Memory manager
php tips
xdebug
Engine-leve profiler/debugger
Gubed php
DBG PHP debugger
Módulo que instalamos para [[Postgres]].
Añade soporte de objetos geográficos, convirtiéndola en una base de datos espacial para su utilización en Sistema de Información Geográfica.
su -...
http://gmod.org/wiki/PostgreSQL_Performance_Tips
PostgreSQL Performance Tips
Background
This page is for collecting tips on tuning PostgreSQL, especially when using it with Chado. Feel free to...
Como instalar un servidor de PPP con devolución de llamada en Linux.
An employee joins the firm
An employee leaves the firm
Change Nagios contact for the NOC
Daily tasks
Propiedades de la Miel y la Canela Cinnamomum zeylanicumAlgunas de las tantas aplicaciones que tienen para la salud la combinación de la miel de abeja y la canela.
La mezcla de Miel y Canela cura...
http://www.nuip.net/
http://www.proxy4free.com/page1.html
http://www.freshproxylist.net
http://www.whatmyipaddress.net
http://www.webdico.com/red/
Hotspot Shield
In order to view Hulu shows outside...
http://wiki.apache.org/spamassassin/UsingPyzor
Patching pyzor 0.40: http://am3n.profusehost.net/post/index/60/warn-pyzor-check-failed-internal-error
warn: pyzor: check failed: internal...
Radius SSL centralized logins
Radius SSL
WPA RADIUS
PASOS A SEGUIR:
1.- Configurar RANCID:
******
Servidor IP:210.190.0.227
A._ Creamos grupo. En nuestro caso dos: core y customer.
Editamos archivo /etc/rancid/rancid.conf. La línea es:...
Los pasos para configurar una conexión ppp a nuestro servidor RAS son los siguientes:
- Abrir conexiones de red.
- Crear una nueva conexión -> Siguiente
- Seleccionar conectar a una red de mi...
Install mgetty and ppp.
On /etc/inittab add the following line:
ppp:2345:respawn:/sbin/mgetty ttyS0
Go to the mgetty directory.
cd /etc/mgetty
My mgetty.config looks like this:
#
# mgetty...
Lo primero que hay que tener claro es que no se recupera ningún fichero como tal, sino que mediante
el estudio del log correspondiente se puede ver el contenido que tenía y así copiarlo y...
find ${dir} -type f -exec grep -l "${search}" {} \; | while read file
do
sed "s/${pattern}/${replace}/ig" "$file" > tmp
mv tmp "$file"
done
Init script:
#!/bin/bash
case $1 in
start)
echo -e "Starting Redmine... \n"
if [ ! -h /tmp/mysql.sock ] ; then
ln -s /var/run/mysqld/mysqld.sock...
Ruby regular expression editor
php js regex editor
http://regexpal.com/ Java script regex tester]
Posibilidad de alojar varios dominios.
Antivirus.
Antispam.
Chequeos antispam distribuidos.
DNSBL.
Listas negras.
Listas blancas.
Listas grises.
Correo web.
Filtrado en el servidor (sieve).
Auto...
Sequoia is a very powerful clustering system for Application servers that can be used with any database backend that supports jdbc
In my case it was the chosen one for clustering Postgres 8.2 due...
I wanted to point my domain hummy.org to my wikidot site.
I remember there was an option to do this in the past within wikidot…, not anymore, I think now is a paid feature.
I will show you what...
First step: Create RSA keys
- Para crear la clave, entra con TU USUARIO en el servidor samba, el login debe decir…
UserName@rita:~$
- Escribe el siguiente comando:
UserName@rita:~$...
Login to the samba server.
adduser —system —gid 100 —disabled-password —disabled-login —no-create-home —shell /bin/false UserName
mkdir /samba/GroupName/UserName
chown...
MYSQL POSTGRES
Show databases --> \l
Use DB1 --> \c db1
Show tables --> \d
Describe table1 --> \d table1
Show users...
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The purpose of this document is minimizing downtime and possible errors.
It is understood that before following this process in a production server, you have done it successfully on a test...
http://alephzarro.com/blog/2007/01/07/installation-of-subversion-on-ubuntu-with-apache-ssl-and-basicauth/
http://www.xsteve.at/prg/vc_svn/svn.txt
addrepo.sh
Syslog database logging
Centralized Syslog-ng to Mysql
syslog (-ng) to postgreSQL database
Syslog-ng mikrotik
If you get the following message when creating tar files:
/bin/tar: Removing leading `/' from member names
You can change your tar command like this, and the warning will go away:
tar -cjf...
tcpdump -i eth0 -n 'host 209.3.240.67 and port ! 22'
Java memory explained
Installing Tomcat's zip package as windows service
Configure independent webapps for virtual hosts with tomcat manager
Non-standard options recognized by the Java HotSpot...
In order to list your current certificates run:
C:\server\jdk1.5.0_15\bin>keytool -list -keystore .keystore
Escriba la contrase±a del almacÚn de claves: changeit
Tipo de almacÚn de...
Either add define your virtual hosts in
C:\server\tomcat 5.5\conf\Catalina\virtualhost1\virtualhost1.xml
C:\server\tomcat 5.5\conf\Catalina\virtualhost2\virtualhost2.xml
or define them...
Denyhosts
Fail2ban
Nagios2
memcached
Last
Lastb
sar
atsar
w
who
vmstat
iostat
ionice
Linux explorer - Linuxexplo
Sysadmin tools including DISH - flexible tool for managing large number of any
type...
http://drupal.org/node/85768
Here are some basic, but high impact ways to optimize MySQL for Drupal (there are much more sophisticated and expensive ways to speed up your database of course):
Note...
example menu
Forum
Forum categories
Forum threads
Forum new threats
Forum recent posts
contact
Trac installation
apt-get install libdbd-pg-perl libxml2 ssl-cert libossp-uuid15 libxml2 libxslt1.1 uuid xml-core
apt-get install sgml-base-doc debhelper dh-make debian-keyring cvs gcc...
I have had some trouble on my machine Ubuntu 8.10 with some packages:
To be specific:
zlibc
libnettle-dev
If you install them, they don't complete the installation process succesfully, leaving them...
Download clamav antivirus
cd /usr/local/src
wget http://downloads.sourceforge.net/clamav/clamav-0.93.1.tar.gz
Untar, compile and install
tar -xzf clamav-0.93.1.tar.gz
cd...
Upgrade Spamassassin In Qmail
Go to the Spamassassin website and read the upgrade notes:
http://wiki.apache.org/spamassassin/UpgradeNotes
Download the software
cd /usr/local/src
wget...
Rename multiple files:
for f in `find . -name '*replaceme.jpg'` ; do mv $f ${f/replaceme/withme}; done
Concatenate multiple compressed files:
It happens that I have many compressed log files for...
I had some problems while I was trying to extract a certificate out of a PKCS7 certificate supplied by Verisign.
root@hummy:~/certs# openssl pkcs7 -in www.hummy.org.verisign.pkcs7 -print_certs...
Vmware converter
Another VMware Converter document
P2V for VMware: six ways to convert physical to virtual
Welcome
This is my personal page in which I will post documents and howto's that I find interesting, mainly related to linux, networks and security.
I hope you like it.
If you have a suggestion,...
WGET upgrade
Problem: After changing Apache from using Basic authentication to Digest on a Centos 4.5, I realized that for every request wget was making, it was generating errors on Apache's log...
You can deny users the right to become root by using the wheel group
addgroup wheel
adduser User1 wheel
adduser User2 wheel
chgrp wheel /usr/bin/sudo /bin/su
chmod 4750 /usr/bin/sudo /bin/su
ls...
Tomcat installation
Wait - pause in batch scripts windows
Freesshd howto
I remember I use to have an application for exporting the X windows from linux to windows…
One of these days I'll find it (I think it's on my old computer) and put it somewhere…
Cross-site scripting
Cross Site scripting cheat sheet
Detection of SQL Injection and Cross-site Scripting Attacks
SQL_injection
XSS movies
Web application vulnerability scanner / security auditor
