Using multiple network cards in XEN 3.0

you need 2 bridge interfaces: xenbr0 = eth0 xenbr1 = eth1 create a new script with the following lines: (ex: multiplebridge.sh) in /etc/xen/scripts/ #!/bin/sh dir=$(dirname «$0») «$dir/network-bridge» «$@» vifnum=0 netdev=eth0 bridge=xenbr0 «$dir/network-bridge» «$@» vifnum=1 netdev=eth1 bridge=xenbr1 make the script executable (chmod +x /etc/xen/scripts/multiplebridge.sh) modify /etc/xen/xend-config.sxp change the line: (network-script network-bridge) to (network-script multiplebridge.sh) modify your… Leer más »

SendMail

$ sudo vim /etc/mail/sendmail.mc Sendmail slow to start It was all about the hostname for some reason. I was using aFQDN in the host file but for some reason sendmail couldn’t resolvethat name. I put it back to localhost and everything seems to have goneback to normal. «Open Mouth, Insert Foot and Chew!»

Java Centos 64BIt cd /

Well I have Sun’s JDK installed, so I will provide instructions on this.Download the jdk-6u1-linux-amd64-rpm.bin file: http://java.sun.com/javase/downloads/index.jspWhen the download is completed and from where the file resides type as root type: chmod u+x jdk-6u1-linux-amd64-rpm.bin./jdk-6u1-linux-amd64-rpm.bin Press the space a number of times and answer yes at the end. Next you will want to follow the instructions… Leer más »

hp high performance mouse

   1:hpmouse                ########################################### [100%]Please read the Licence Agreement for this software at         /opt/hp/hpmouse/licenseBy not removing this package, you are accepting the termsof the «HP Proliant Essentials Software End User License Agreement».**********  NOTICE *************Please follow the steps below to configure this system.cd /opt/hp/hpmouseRun «sh ./hpmouse activate»… Leer más »

useful shorcurts

tips 1) Para desplegar los mensajes de monitoreo sin que molesten: line con 0logging synchronous line vty 0 4 logging synchronous 2) Para prolongar los 5 minutos a 30 minutos de que te saca el sistema: exec-timeout 30 0   3) Para evitar que busque dominios cuando te equivocas al dar un comando no ip… Leer más »

Configuring Switch Security Part 2

switch>enswitch#show ip inter brief switch>show ip interface briefInterface              IP-Address      OK? Method Status                ProtocolVlan1                  192.168.1.253   YES TFTP   up                    up      GigabitEthernet0/1     unassigned      YES unset  up                    up      GigabitEthernet0/2     unassigned      YES unset  up                    up      GigabitEthernet0/3     unassigned      YES unset  up                    up      GigabitEthernet0/4     unassigned      YES unset  up                    up      GigabitEthernet0/5     unassigned      YES unset  up                    up      GigabitEthernet0/6     unassigned      YES unset  down                  down    GigabitEthernet0/7    … Leer más »

Configuring Switch Security

enable password:switch>enswitch#conf t switch(config)#enable secret cisco Protect COM portswitch>enswitch#conf t switch(config)#line console 0password ciscologin ( needs login to ask the password for the COM port) renember copy the running-config to startup-config COM password line con 0    password cisco login    Telnet passwordline vty 0 4 password cisco login    line vty 5 15 password cisco login    ———————————————-To encrypt passwords———————————————- switch(config)#service password-encryption line con 0 password 7 DGASDFSDFSFD loginline… Leer más »

Cisco Initial Switch Configuration

Switch>enableSwitch#configure terminalSwitch(config)#hostname switchPedritoswitchPedrito(config)#switchPedrito(config)#interface vlan 1 switchPedrito(config-if)#ip address 192.168.1.253 255.255.255.0 ?secondary Make this IP address a secondary addres<cr> switchPedrito(config-if)#ip address 192.168.1.253 255.255.255.0switchPedrito(config-if)#endswitchPedrito(config)# switchPedrito#show interfaces vlan 1 Vlan1 is administratively down, line protocol is down  Hardware is EtherSVI, address is 001d.e6e1.8e40 (bia 001d.e6e1.8e40)  Internet address is 192.168.1.253/24  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,     reliability… Leer más »

Cisco Lights

  SYSTEM Green good ( amber bad)RPS ( Redundant Power Supply)Stat ( Status of the port ) Util ( Utilization: show the current utilization of the switch )Duplex ( Duplex: Working in full duplex mode ) Speed ( Speed: 100mb or 1000mb )