Install OS: Difference between revisions

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==Introduction==
This page with all descriptions are tested with Debian and Ubuntu Linux. The below package selection has been recently tested with Debian Stretch.


==Install==
==Install==
{| style="width: 60%;"
{| style="width: 60%;"
|style="width:20%; vertical-align: top;"|
|style="width:20%; vertical-align: top;"|
Sample for Debian 8:
Sample for Debian 8.1 (Jessie) netinst amd64:<br>
*Default installation
The installation goes quick and easy, it can be <br>
**Choose package '''Web server'''
done in less then 10 minutes for experienced users
**Choose package '''SSh server'''
*Choose Install
**Software packages:
***Choose package '''SSH server'''
***Choose package '''Standard utilities'''


|style="width:33%; vertical-align: top;"|
|style="width:33%; vertical-align: top;"|
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=Packages=
=Packages=
On Debian always consider to update your repository first before you begin
root@mylvs01:/# '''apt-get update'''
==MySQL==
==MySQL==
  apt-get install mysql-server-5.5
Note: On Debian Jessie the package is called mysql-server-5.5 while on Debian Stretch the package mysql-server is used.
  root@mylvs01:/# '''apt-get install mysql-server'''
 
==Perl Core==
==Perl Core==
core modules
core modules
  apt-get install libnet-snmp-perl libxml-simple-perl libmail-sendmail-perl
  root@mylvs01:/# '''apt-get install libnet-snmp-perl libxml-simple-perl libmail-sendmail-perl libnet-whois-raw-perl libsoap-lite-perl '''


libnet-whois-raw-perl


for monitoring purposes:
for monitoring purposes:
  apt-get install nagios-plugins-standard
  root@mylvs01:/# '''apt-get install nagios-plugins-standard nagios-nrpe-plugin'''


other
other required packages
  apt-get install libdatetime-perl
root@mylvs01:/# '''apt-get install ipvsadm libdatetime-perl libnet-snmp-perl libxml-simple-perl libnet-ip-perl sudo nmap'''


==Apache Perl CGI==
==Apache Perl CGI==
  apt-get install libapache2-mod-fcgid libcgi-fast-perl  
  root@mylvs01:/# '''apt-get install apache2 libapache2-mod-fcgid libcgi-fast-perl'''
  apt-get install libcgi-pm-perl libcgi-session-perl  
  root@mylvs01:/# '''apt-get install libcgi-pm-perl libcgi-session-perl'''
  apt-get install libfcgi-perl libfcgi0ldbl
  root@mylvs01:/# '''apt-get install libfcgi-perl libfcgi0ldbl'''




===Enable CGI===
===Enable CGI===
  a2enmod cgi
  root@mylvs01:/# '''a2enmod cgi'''
 
  root@mylvs01:/# '''service apache2 restart'''
===Apache additional===
  apt-get install libnet-snmp-perl libxml-simple-perl
 
 


=SUDO=
=SUDO=
Sudo is required to run commands from apache
Edit sudo:
  apt-get install sudo
  root@mylvs01:/# '''visudo -f /etc/sudoers'''
*visudo -f /etc/sudoers
Add to sudo:
  www-data ALL=NOPASSWD: /sbin/ipvsadm
  www-data ALL=NOPASSWD: /sbin/ipvsadm
  www-data ALL=NOPASSWD: /usr/bin/nmap
  www-data ALL=NOPASSWD: /usr/bin/nmap
Line 60: Line 65:
  www-data ALL=NOPASSWD: /var/www/mylvs/scripts/reboot.sh
  www-data ALL=NOPASSWD: /var/www/mylvs/scripts/reboot.sh


 
=Where to go next=
Note: The above commands represents all possible myLVS functions even if the scripts are not setup at this time.
<br>
 
*Go here: [[Setup MyLVS]]
 
=Permissions=
=> make me look nice
Make sure to have this:
 
root@mylvs01:/var/www/mylvs# ls -all
total 124
drwxr-xr-x 6 www-data root  4096 Aug 22 14:14 .
drwxr-xr-x 4 root    root  4096 Jun 12 14:48 ..
drwxr-xr-x 2 www-data root  4096 Aug 22 15:27 backup
-rw-r--r-- 1 www-data root  229 Feb  9  2015 LEGAL
-rwxr-xr-x 1 root    demo  3828 Aug 18 13:25 mylvsinit.pl
-rwxr-xr-x 1 root    demo 92370 Aug 18 13:30 mylvsmon.pl
drwxr-xr-x 2 www-data root  4096 Aug 22 14:59 scripts
drwxr-xr-x 4 www-data root  4096 Feb  9  2015 ws
drwxr-xr-x 4 www-data root  4096 Aug 22 14:10 wwwroot
root@mylvs01:/var/www/mylvs#
 
Please run the following to set permissions for www-data:
root@mylvs01:# chown www-data /var/www/mylvs -R
 
 
 
==Main configuration==
 
*SQL related settings
{| class="wikitable"
|-
! Element !! Attribute !! Description
|-
|  SQLServer || Address || SQL Server address
|-
|  SQLServer || Database || Database name
|-
|  SQLServer || User || Username
|-
|  SQLServer || Password || Plain password
|-
 
 
|  SQLServerBackup || Address || '''SQL Backup''' Server address,<br>only used within an HA environment.
|-
|  SQLServerBackup || Database || '''(HA) Backup''' Database name
|-
|  SQLServerBackup || User || '''(HA) Backup''' Username
|-
|  SQLServerBackup || Password || '''(HA) Backup''' Plain password
|-
|  SQLServerBackup || ReplCommand || Command to be used when changes occur
|-
 
 
|  SQLConfigBackup || Path|| Path to the helper scripts
|-
|  SQLConfigBackup || ResoreApp || Name of the script to restore the sql data
|-
|  SQLConfigBackup || BackupApp || Name of the script to backup the sql data
|-
 
|}
 
*LVS
{| class="wikitable"
|-
! Element !! Attribute !! Description
|-
| LVS || Command || Command path and name of ipvsadm
|}
 
 
 
 
*HTTP Related Settings
{| class="wikitable"
|-
! Element !! Attribute !! Description
|-
| ShowAmount || ActiveWarning || Command path and name of ipvsadm
|-
| ShowAmount || InActiveWarning || Command path and name of ipvsadm
|-
| ShowAmount || HTTP_ERR || Command path and name of ipvsadm
|-
| ShowAmount || HTTP_WARN || Command path and name of ipvsadm
|-
| ShowAmount || MaxConCount || Command path and name of ipvsadm
|}
 
 
 
 
root@mylvs01:/# '''cat /etc/mylvs/mylvs.conf.xml'''
<?xml version="1.0"?>
<CONFIG>
  <!-- LVS1 SQL Config!-->
  <SQLServer Address="127.0.0.1" Database="mylvs" User="mylvsuser" Password="demo" />
  <!-- LVS2 SQL Config!-->
  <SQLServerBackup Enabled="0" Address="" Database="" User="" Password="" ReplCommand="no-sample-available-yet" />
  <!-- SQL Configuration Backup !-->
  <SQLConfigBackup Path="/var/www/mylvs/backup/" RestoreApp="/var/www/mylvs/scripts/mkrestore.sh" BackupApp="/var/www/mylvs/scripts/mkbackup.sh"/>
  <!-- LVS General command string - add sudo to support appache!-->
  <LVS Command="/usr/bin/sudo /sbin/ipvsadm"  />
  <!-- Color set which is used within the webinterface!-->
  <ShowAmount ActiveWarning="200" InActiveWarning="2000" HTTP_ERR="120" HTTP_WARN="80" MaxConCount="1000"/>
  <!-- Operation mode for testing!-->
  <Operation WebSimulate="0" MonSimulate="0"/>
  <!-- Used within the connection view, support whois and nmap which is needed to be installed!-->
  <Information host="/usr/bin/sudo /usr/bin/host" nmap="/usr/bin/sudo /usr/bin/nmap -sS -O -v" />
  <!-- General mailing information if not given somewhere else used by the lvs monitor!-->
  <Operator Mailserver="mail.mylvs.com" Mailfrom="lvsmon@mylvs.com" MailTo="postmaster@mylvs.com" MailCC="anybody@domain.com" MailBCC=""/>
  <!-- Daily operations!-->
  <Maintenance FileAge="5" SQLAge="5"/>
  <!-- Web styles/moudules!-->
  <Modules Path="/usr/local/lvs/wwwroot/modules/"/>
  <!-- Exlude addresses from the connection view!-->
  <StatusView SupressedAddress=""/>
    <!-- View Options!-->
  <View HTMLLVSOutput="0"/>
  <!-- Log Options!-->
  <Log Name="mylvslog.log" Path="/var/log/mylvs/" gzip="/bin/gzip" Days="24"/>
  <!-- Customize Logo!-->
  <Logo Path="/images/Linux_Logo.gif" />
</CONFIG>

Latest revision as of 19:54, 25 July 2017

Introduction

This page with all descriptions are tested with Debian and Ubuntu Linux. The below package selection has been recently tested with Debian Stretch.

Install

Sample for Debian 8.1 (Jessie) netinst amd64:
The installation goes quick and easy, it can be
done in less then 10 minutes for experienced users

  • Choose Install
    • Software packages:
      • Choose package SSH server
      • Choose package Standard utilities

Packages

On Debian always consider to update your repository first before you begin 

root@mylvs01:/# apt-get update

MySQL

Note: On Debian Jessie the package is called mysql-server-5.5 while on Debian Stretch the package mysql-server is used. 

root@mylvs01:/# apt-get install mysql-server

Perl Core

core modules 

root@mylvs01:/# apt-get install libnet-snmp-perl libxml-simple-perl libmail-sendmail-perl libnet-whois-raw-perl libsoap-lite-perl


for monitoring purposes: 

root@mylvs01:/# apt-get install nagios-plugins-standard nagios-nrpe-plugin

other required packages 

root@mylvs01:/# apt-get install ipvsadm libdatetime-perl libnet-snmp-perl libxml-simple-perl libnet-ip-perl sudo nmap

Apache Perl CGI

root@mylvs01:/# apt-get install apache2 libapache2-mod-fcgid libcgi-fast-perl 
root@mylvs01:/# apt-get install libcgi-pm-perl libcgi-session-perl 
root@mylvs01:/# apt-get install libfcgi-perl libfcgi0ldbl


Enable CGI

root@mylvs01:/# a2enmod cgi
root@mylvs01:/# service apache2 restart

SUDO

Edit sudo: 

root@mylvs01:/# visudo -f /etc/sudoers

Add to sudo: 

www-data ALL=NOPASSWD: /sbin/ipvsadm
www-data ALL=NOPASSWD: /usr/bin/nmap
www-data ALL=NOPASSWD: /var/wwwl/mylvs/repl.sh
www-data ALL=NOPASSWD: /usr/local/nagios/libexec/check_nrpe
www-data ALL=NOPASSWD: /var/www/mylvs/scripts/mkbackup.sh
www-data ALL=NOPASSWD: /var/www/mylvs/scripts/mkbackupcomment.sh
www-data ALL=NOPASSWD: /usr/bin/mysqldump
www-data ALL=NOPASSWD: /usr/bin/mysql
www-data ALL=NOPASSWD: /bin/echo
www-data ALL=NOPASSWD: /var/www/mylvs/scripts/mkbackup.sh
www-data ALL=NOPASSWD: /var/www/mylvs/scripts/mkrestore.sh
www-data ALL=NOPASSWD: /var/www/mylvs/scripts/reboot.sh

Where to go next


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