KrazyWorks » PHP Web Development Software

Linux LVM: Reduce Filesystem and Logical Volume

March 14, 2012 – 5:07 pm | No Comment

The following example shows how to reduce the size of a filesystem mounted on an LVM logical volume. The instructions below are only for non-root filesystems. No reboot is required, but the filesystem will need to be unmounted. So, if there are any user applications using this filesystem, they will need to be stopped and the users will need to log out.

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PHP Web Development Software

Submitted by Igor on January 23, 2006 – 12:48 amOne Comment

ASP.NET developers have been spoiled by intuitive but inflexible GUIs and IDEs. These Microsoft tools (and various third-party add-ons) make your life as a programmer relatively painless; but only as long as you don’t try to get fancy. Naturally, using .NET means you get confined to the wonderful world of Windows and everything else that is Microsoft.

We all know it but not everyone can admit it out loud: Unix rules. There is nothing Microsoft can do about it or otherwise it would have already done something. PHP, Ruby, and Python meet and exceed the capabilities of ASP. Open Source is better by design. However, being a hard-core PHP developer one should never look down upon GUI tools and IDEs. Anything that makes your life easier without turning you into a .NET-like programming drone is at least worth considering.

The following is an incomplete but functional collection of various development tools for the PHP, Ruby, Python, etc. languages. It also covers popular open source databases. This list will be updated and refined hopefully on a regular basis.

ASP2PHP

A handy automated toll to convert ASP/VB Script code into PHP. Also works with ASP/JavaScript to a limited extent. Although the resulting code is by no means production-ready or even functional; this is a good starting point for any ASP to PHP conversion project.

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One Comment »

web development london says:

December 14, 2011 at 1:45 am

I have seen a very informative blog. Really I like this blog. This blog gives us very good knowledge about php development.

[Reply]

Applications »

OpenSUSE 11.4 Installation Overview

After enjoying taking apart Microsoft’s “cloud” Office 365 for the numerous shortcomings of its installation process, having to do the same for my favorite Linux distro – openSUSE – is rather upsetting. OpenSUSE installation routine went from nearly-flawless in 11.1 to mildly annoying in 11.3, arriving to moderately obnoxious in 11.4. What happened? Same as with Microsoft, poor installation workflow is to blame. One can always feel when desktop support people take over workflow tasks from server admins.

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Commands & Shells »

Configure Postfix to Use Gmail for Sending

Here is a simple script to help you configure Linux postfix to use your Gmail account for sending emails. The script has been tested on OpenSuse 11.4 and 12.1, but should work find on any recent Linux disro. The only requirement is that you have postfix insalled.

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Data »

Show Allocated / Used Filesystem Space Summary

On servers with many filesystems calculating filesystem space utilization summary can get very tedious. Below is a simple script that will summarize all filesystems and provide you will the totals for allocated and used space in GB.

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Hardware »

Quick Review: Boxee Box

Some of the technical issues with Boxee Box could have been fixed if the dev team was paying more attention to addressing the bugs rather than adding “features” of dubious value. In the final analysis, for the price and ease of use, Boxee Box is the best in its class and price range. You just need to be mindful of its limitations and buy it in hope of future improvements to its usability.

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Monitoring »

Simple Host Monitoring with SSH

Sometimes you just need something very simple to monitor a server or an application on a temporary basis. A basic ping monitor is fine, but it will only tell you if a server is responding on the network. It will not tell you if there is some other problem on the system. The script below relies on passwordless SSH setup to periodically log into the monitored nodes and check on their health by executing a local or remote script.

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Networking »

Red Hat: Changing Hostname and IP

Changing hostname and IP is frequently required when a server is being moved from testing or development to production. The process is a fairly simple one, but steps must be performed in a certain order to avoid complications.

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Scripts »

Windows Network Troubleshooting Script

I try my best to stay away from Windows. I wish my clients did the same. The usual difficulty of troubleshooting elusive network performance problems is amplified many-fold when there is a Windows computer at the end of the line. With Unix it’s relatively simple: run tests “a”, “b”, “c”, etc and follow the familiar process of elimination. With Windows in the picture the number of steps uses up all of the English alphabet and spills over well into the Russian one. And when you finally reach step “я”, you have to pull out your Chinese dictionary.

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UK Government Staff Caught Snooping On Citizen Data
An anonymous reader writes "More than 1,000 UK government staff have been caught snooping on citizen data — including criminal records, social security, and medical records. From the article: 'The U.K. government is haemorrhaging data — private and confidential citizen data — from medical records to social security details, and even criminal record […]
Social Networking: The New Workplace Smoke Break
snydeq writes "J. Peter Bruzzese sees a solution for organizations seeking to cut down employee time spent on social networks at work: treat social networking like a smoke break. 'Try as you might to keep social networks at bay, mobile devices let people be in constant connection to their social networking vices over the cellular networks, which yo […]
Ask Slashdot: Wrist Watch For the Tech Minded
NNUfergs writes "Sure, my smartphone can deliver just about any piece of information I could want in under 30 seconds, but I miss being able to just look at my wrist to get the time, date etc. I've been shopping around for a while and haven't come across anything particularly inspiring. There are loads of various features that have been incorp […]

Server Info

Server:	rowen.accountservergroup.com
OS    :	Red Hat 4.1.2-52
Kernel:	Linux 2.6.32.59-grsec
Arch  :	64-bit OS running on 64-bit hardware 
CPU(s):	16 x 4-core Intel Xeon CPU E5620@ 2.40GHz
RAM   :	24Gb (93% used), 16 x 2Gb DIMMs
Swap  :	6Gb (1% used), paging in/out: 0/0
Uptime:	15 days
Load  :	0, 0, 0
CPU % :	64 CPU cores at 0% combined utilization
Disk  :	util, svc time - sda: %, ms; 
Apps  :	MySQL 5.1.62, Perl 5.8.8
Issues:	occasional RAM shortages