Lik`s forum

http://www.cisco.com/en/US/tech/tk869/t ... fb3b.shtml

Extended Ping

To examine this the IOS offers an "extended" mode of the ping command. This mode is entered by typing ping in privileged EXEC mode, at the CLI prompt without a destination IP address. A series of prompts are then presented as shown in this example. Pressing Enter accepts the indicated default values.

Code: Select all

Router#ping
Protocol [ip]:
Target IP address:10.0.0.1
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:5
Extended commands [n]: n

Entering ...

Backing Up Configurations Offline

Configuration files should be stored as backup files in the event of a problem. Configuration files can be stored on a Trivial File Transfer Protocol (TFTP) server, a CD, a USB memory stick, or a floppy disk stored in a safe place. A configuration file should also be included in the network documentation.

Backup Configuration on TFTP Server

As shown in the figure, one option is to save the running configuration ...

Encrypting Password Display

Another useful command prevents passwords from showing up as plain text when viewing the configuration files. This is the service password-encryption command.

This command causes the encryption of passwords to occur when a password is configured. The service password-encryption command applies weak encryption to all unencrypted passwords. This encryption does not apply to passwords as they are sent over media only in the configuration. The purpose of this command is to keep ...

Install FFMPEG FFMPEG-PHP on Centos

Recently it became available to use binary packages for FFmpeg and other related codecs for media content management without need to compile all of them from the sources. Here is an instruction and packages set. Enjoy.

Enable RPMforge repos:

http://wiki.centos.org/AdditionalResour ... s/RPMForge
i386:

Code: Select all

wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.i386.rpm
rpm -ivh rpmforge-release-0.5.2-2.el5.rf.i386.rpm

x86_64

Code: Select all

wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
rpm -ivh rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm

Installing packages:
yum install yasm faad2 faad2-devel opencore-amr opencore-amr-devel libtheora ...

OpenSSL

Conventions
* req = certificate signing request
* key = unencrypted private key
* pem = encrypted private key
* crt = signed certificate

Create a Certificate Signing request

1. Create an RSA key and a signing request

Code: Select all

openssl req -new -days 3650 -config <config file> -out certreq.req -keyout server.pem

2. The -config is optional.
3. The PEM passphrase requested is the passphrase for encrypting server.pem. Some applications may require an unencrypted key (eg ...

The switch in /scritps/killacct that keeps the DNS of an account like the check box in WHM "Keep Dns Zone (needed if you have moved a domain between servers in the same dns trust relationship, and wish to remove the old domain)" is :

Code: Select all

/scripts/killacct {accountname} n

The switch of /scripts/suspendacct script that prevents resellers from unsuspending the account is:

Code: Select all

/scripts/suspendacct {accountname} "The reason for suspension" 1

This will create two additional files.
The ...

http://code.google.com/intl/en-US/apis/ ... rview.html

http://www.php.net/manual/en/migration53.php
http://php.net/manual/en/migration53.deprecated.php

Spamhaus DNSBL Usage

There are two ways to query the Spamhaus DNSBLs (SBL, XBL, PBL and the combined ZEN lists), your mail server either sends queries out to Spamhaus's free public servers around the internet or sends queries locally to a private server on your own network. Which one you use, depends on your DNSBL needs and how you intend to use our DNSBLs. Free Use utilizes our free public servers, while Professional Use utilizes ...