This guide shows how you can set up a two node, high-availability HTTP cluster with heartbeat on RHEL/CentOS. Both nodes use the Nginx web server to serve the same content. Pre-Configuration Requirements Assign hostname nginx-primary to primary node with IP address 192.168.100.203 to eth0. Assign hostname nginx-slave to slave node with IP address 192.168.100.204 toContinue reading “Configuring A High Availability Cluster On RHEL/CentOS”
Category Archives: Weekly Tips
Howto setup Asterisk/FreePBX behind NAT
This HOWTO assumes that your FreePBX system is sitting behind a NATed firewall with no direct connection to the outside world and it is NOT in the DMZ zone. If you have your system facing outside, or have used Mapped IP addresses or other techniques, then it is assumed that you have adequate knowledge toContinue reading “Howto setup Asterisk/FreePBX behind NAT”
The Top 7 Best Linux Distributions for You
There are various approaches to answering this question. The broad answer is: “any of them,” but that’s not very helpful if you’re just looking for a place to start. The problem is, there never can be one best Linux distribution for everyone, because the needs of each user tend to be unique. Telling someone who’sContinue reading “The Top 7 Best Linux Distributions for You”
Flashblock throughs away Flash annoyance when surfing the Web
Never be annoyed by a Flash animation again! Blocks Flash so it won’t get in your way, but if you want to see it, just click on… Flashblock is an extension for the Mozilla, Firefox, and Netscape browsers that takes a pessimistic approach to dealing with Macromedia Flash content on a webpage and blocks ALLContinue reading “Flashblock throughs away Flash annoyance when surfing the Web”
Fedora 12 installation/upgrade process
The installation/upgrade process for Fedora 12 is similar to Fedora 11: http://blog.iwayvietnam.com/tuanta/2009/08/13/fedora-11-installation-process/. Fedora 12 local repositories in iWay LAN has been also ready. See /etc/yum.repos.d/local.repo below: # Base packages inside iWay LAN [base-local] name=Fedora $releasever – $basearch – Base local baseurl=http://dev.iwayvietnam.com/mirror/f12/ enabled=1 gpgcheck=0 # Update packages inside iWay LAN [updates-local] name=Fedora $releasever – $basearch –Continue reading “Fedora 12 installation/upgrade process”
Install Chrome on Fedora Linux
You can install Chrome using the YUM package manager. You have to first add a new repository file to the /etc/yum.repos.d directory, following steps: Open your favorite editor and enter the su command to gain root access. Create the /etc/yum.repos.d/chromium.repo file. Add the following contents to the file: [chromium] name=Chromium Test Packages baseurl=http://spot.fedorapeople.org/chromium/F$releasever/ enabled=1 gpgcheck=0 Save the file.Continue reading “Install Chrome on Fedora Linux”
Zimbra 5.0.19 Shipped
We’re excited about all that 6.0 has to offer, but if you’re not quite ready to make that jump yet: Announcing version 5.0.19 of the Zimbra Collaboration Suite. Key Enhancements: 33077 – Hooks for usage, click, anaylitics / event tracking (AJAX) Zimlet.prototype.onSelectApp = function(appId) {where appID=ZmId.APP_NAME} 39760 – zmztozmig: allow selection of item types forContinue reading “Zimbra 5.0.19 Shipped”
Chính phủ, doanh nghiệp tăng cường chống vi phạm phần mềm
Không còn mức phạt 15-20 triệu đồng áp dụng cho tất cả các giá trị vi phạm thậm chí lên tới vài tỷ đồng, các doanh nghiệp đang đối mặt với mức phạt tới 500 triệu đồng và nguy cơ xử lý hình sự. Hành lang pháp lý chặt chẽ là nỗ lực của cảContinue reading “Chính phủ, doanh nghiệp tăng cường chống vi phạm phần mềm”
Phần mềm xử lý ảnh nguồn mở
Định dạng mở cho ảnh đang được sử dụng rộng rãi. Phần mềm nguồn mở xử lý ảnh cũng không thiếu những phần mềm tốt hoặc chí ít là đáp ứng các chức năng cơ bản của người dùng thường cũng như designer. Có thể kể đến một số phần mềm sau: Inkscape: xử lýContinue reading “Phần mềm xử lý ảnh nguồn mở”
Save time on downloads with delta RPMs in Fedora 11
Fedora 11 introduced a great new feature: delta RPM updates. This feature creates delta RPM packages (.drpm) that are binary “patches” to the existing RPM packages. Instead of downloading all files, regardless of whether they have changed or not, a delta RPM will only download the files that have changed compared to the previous RPMContinue reading “Save time on downloads with delta RPMs in Fedora 11”