Guruhowtos

1. How to you change file ownership and chown files recursively?
# chown user:user folder -R
2. How to view queued mail in sendmail or postfix?
# mailq
3. How to show which alternative binary program does your machine executes first?
# alternatives –display program-name
4. How to create public/private rsa key pair?
# ssh-keygen
5. How to log out from your current [...]

Joomla Content Management System was forked off Mambo CMS after most of the core Mambo developers disagreed with Mambo Management. The current stable release is 1.0.10. I migrated from Mambo to Joomla to deter hacking efforts on my site.
Note: I could have as well migrated to the latest version of Mambo but I just felt [...]

It is very important that the information that comes from syslog not be compromised. Making the files in /var/log readable and writable by only a limited number of users is a good start.
Be sure to keep an eye on what gets written there, especially under the auth facility. Multiple login failures, for example, can [...]

tcpflow is a program that captures data transmitted as part of TCP connections (flows), and stores the data in a way that is convenient for protocol analysis or debugging. A program like ‘tcpdump’ shows a summary of packets seen on the wire, but usually doesn’t store the data that’s actually being transmitted. In contrast, tcpflow [...]

Filenames in Unix-like operating systems use for their directory separator the forward slash ‘/’ character. All references to file locations must be absolute pathnames in cfengine

as a privileged user. Note that some of the classes are set only if a trusted link can be established with cfenvd, i.e. if both are running with privilege, and the /var/cfengine/state/env_data file is secure. More information about classes can be found in connection with allclasses.

In order to achieve the desired simplifications, it was decided to reserve a private work area for the cfengine tool-set. In cfengine 1.x, the administrator could choose the locations of configuration files, locks, and logging data independently. In cfengine 2.x, this diversity has been simplified to a single directory which defaults to /var/cfengine (similar to [...]

Bluetooth technology is a type of the wireless technology that eliminates the need for the number of inconvenient cables and devices that are used to connect the computers, mobile phones, digital cameras, handheld devices and new digital appliances. Bluetooth enables the users to connect to a wide variety of telecommunication and [...]

This is a tricky solution if those request happen again (which they did).
Add the following to your apache configuration in the block:

RewriteEngine on
RewriteBase /
RewriteCond %{HTTP_REFERER} nastydomain1
RewriteRule ^.* – [...]

You really have no choice except of a notebook computer if your job or lifestyle needs plenty of travel every year. Your own notebook computer will help you a lot when you are out of your home or office.
Now-a-days, you can get laptops as powerful as desktop PCs. Laptops are available with high-resolution graphics, CD/DVD [...]