Welcome to EmbeddedSoft: Systems

Useful system administration and development tricks

Corosync, Pacemaker and Ldirectord. HA Load balancer

lb01-pco apt-get install ldirectord corosync pacemaker sysv-rc-conf lb02-pco apt-get install ldirectord corosync pacemaker sysv-rc-conf lb01-pco and lb02-pco First make sure…

When “local storage” is lost in XenServer

Lets recreate “local storage” in XenServer. [root@xen-maillb-08 ~]# vgdisplay — Volume group — VG Name VG_XenStorage-6635202c-f235-4644-69a8-4a10c74db680 System ID Format lvm2…

Corosync – Pacemeker boot bug with Debian 7.8

When you setup Corosync and Pacemaker with Debian 7.8 there is small bug. When you try to reboot system needs…

XenServer how-to(s)

GUI Console GUI Windows – Very stable and reliable: http://xenserver_ip GUI UNIX – Very unstable, alpha: http://www.xensemaking.com/openxenmanager/ WEB UNIX –…

Juniper J6350 HA setup

Basic HA setup for J6350 This is just config file.  groups { node0 { system { host-name juniper01-device; } interfaces…

Cisco Catalyst 2970 – Basic setup

enable password cisco enable secret cisco service password-encryption hostname cat-2970-temp aaa new-model username root password 0 cisco ip domain-name mydomain.com…

Corosync short how-to

The Corosync Cluster Engine is an open source project derived from the OpenAIS project and licensed under the new BSD License. The mission of the…