Block IP Iptables
Say you need to block the IP address 10.10.0.100. In my case there was a public address of course, was attacking a Web server. If we do not allow network traffic from a particular IP, then from the Linux console or terminal write the following:: ~ # iptables-A INPUT-s 10.10.0.100-j DROP That will do, now if we want to throw all traffic outbound from the server: ~ # iptables-A OUTPUT-p tcp-d 192.168.1.2-j ... Read the full article »
Filed under: Linux
How to install KDE on Ubuntu 10.10 - 11.04
For Ubuntu 10.10 graphical desktop environment is the default Ubuntu Gnome and 11 is Unity. If you want to change and try KDE Here's the tutorial on how to do without having to reinstall all the software Ubuntu. Although these instructions are for KDE, the same principle applies to add the Gnome or XFCE desktops for Kubuntu, Xubuntu or Ubuntu. Basically, you install the desktop environment, log off, ... Read the full article »
Filed under: Desktop Graphic
How to upgrade to Debian Squeeze Wheezy
As we all know Debian 6 and went on to become the stable version of Debian Linux operating system, and has become Wheeze Debian version 7 or testing. Personally, I always like to have my vps linux server running Debian testing versions, so this way I have always the latest linux software for Internet services, such as PHP and mail servers. How to change the repositories in order to make the update of ... Read the full article »
Filed under: Repositories
Upgrade individual packages for Debian and Ubuntu
After updating my repositories sources I have more than 600 packages to update, but what interests me is to just upgrade a single package or family of packages. I require a day to perl-base, but I can not wait hours for the entire system be upgraded, so click:: ~ # aptitude install perl-base perl-course base is already installed on my system, but when running I reinstalled the previous command with the latest version of ... Read the full article »
Filed under: Management Packs
Teamviewer Setup in Debian and Ubuntu 6
It's time to share with this little tutorial on how to install the new version of Team Viewer on Linux Debian or Ubuntu. That is Teamviewer This tool is used to connect to remote computers running Windows or Linux (not sure MacOS) and take remote control of desktop via internet. Of course, for remote technical assistance, help or technical support service can be guaranteed of CrossLoop. First of all download the *. deb package ... Read the full article »
Filed under: Management Packs
Postfix: Script to automatically empty the mail queue
If your network have a user with an infected PC can initiate a campaign of spam from your internal network. Of course your mail server has a spam filter, but like all the thousands of emails from entering the Postfix queue for inspection. Or simply mail alerts you have configured on your servers and eaves shoot and send hundreds of emails that accumulate and cause the ... Read the full article »
Filed under: MTA
How to restore Grub after reinstalling Windows 2 XP/Vista/Win7
I just upgraded my laptop hard drive, so I had to reinstall Ubuntu, but since the new disc has enough space I decided to install Windows 7 Ultimate on my hard drive dual boot mode. The bad news is I got the windows in 32bit version and I need the x64 so the windows loader 7 I get off the boot menu to reinstall the correct version of Windows 7. So ... Read full article »
Filed under: Linux
How to install XFCE (Xubuntu) on Ubuntu Linux
The Ubuntu distribution includes the Gnome desktop environment, but for some computer skills can be slow. One way to optimize our software is to install linux servers with less hardware requirements, so for the desktop to the user community, we can change the environment for a faster, in this case Xfce. Xubuntu is a linux distro more lightly and brings faster than the default Xfce desktop. To start the installation ... Read the full article »
Filed under: Ubuntu
Command Reference Linux practice
Do not miss the opportunity when we need to manage our linux dedicated server and can not remember the syntax of the unix commands. Here I share a reference list with the most used of all Linux commands. Command Description • apropos word word View related commands. See also threadsafe Which command View the full path of command time command command • Measure how long it takes time cat Start stopwatch. Ctrl-d to stop. See also sw • nice info Throwing a low priority command (info in this case) • renice 19-p $ $ Give ... Read the full article »
Filed under: Linux
Like update my Ubuntu 10.04 (Lucid Lynx) to Ubuntu 11.04 (Natty Narwhal)
After a year of being installed Lucid Lynx (10.04.2) decided this day packages and update the entire operating system to Natty Narwhal (11.04). The reason for the decision was simply to know Ubuntu 10.10 Maverick Meerkat. 10.04.02 I was using precisely the LTS or long-term support, and that's what I liked about Linux distribution strategy. But hey, it was time to at least update the ubuntu programs and ... Read the full article »
Filed under: Management Packs
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