Archive for Linux Admin

Open Source HTML Editor

by: WanderingTechy March 10, 2010

I am looking for an Open Source HTML editor to replace Frontpage which I have been using for years.  I quite liked frontpage for it’s 3 tabbed approach to pages.  I could draw tables in the design mode, go into the html mode and edit it to remove the frontpage fluff and add php code, [...]

Quick Tips – Killing Zombie Processes

by: WanderingTechy March 6, 2010

This will be a regular feature (I hope). Quick tips are brief descriptions of a common problem and a solution. The first is how to kill zombie processes. A zombie process is a child process that has died without the parent’s knowledge or acknowledgement. To kill it send a signal SIGCHLD to the parent process. [...]

Learning C++

by: WanderingTechy October 13, 2009

I decided I wanted to get back into “proper” programming again.  I started programming in 6502 asm on the commodore 64 and then onto 68K asm on the Amiga.  I have not done any real programming since the early 90′s.  However for the last 12 years I have been developing in PHP so have kept [...]

1 PetaByte of storage for $117,000

by: WanderingTechy September 11, 2009

Very nice system…  From BackBlaze I am not going to repeat what is on that page go have a look it’s impressive.

Is WordPress Safe Part 2.

by: WanderingTechy September 7, 2009

The most common excuse I can find for not upgrading is that it breaks plugins.  Sorry but security is more important than playing a YouTube video.   This blog has gone from V6 of WordPress all the way up to 2.8.4 when a plugin broke (once) I fixed it. Now the wordpress team cannot test every [...]

Is WordPress Safe?

by: WanderingTechy September 7, 2009

Recent posts on news sites and famous blogs are starting to question the safety of WordPress. For example The Register, The Guardian and Some guys called Robert Scoble who is apparently a famous tech blogger. The first thing that struck me about these posts.  Here is a quote from Robert Scoble. “A few weeks ago [...]

Handy Little Development Server

by: WanderingTechy September 3, 2009

As I am forced to use a Windows machine for my desktop for support purposes and I develop purely for Linux I have been in a non optimal situation. I have tried using a remote server, an emulated server running VirtualBox , Dual Booting and using a windows based WAMP stack.  Each of these have [...]

Blocking emails by senders IP in Plesk

by: WanderingTechy September 3, 2009

I have been using greylisting successfully for some time now, however over the last few days a few have been getting through.  I am currently testing nolisting on one of my domains but in the meantime I noticed that out of the 10 spam that got through in the last week 8 were from a [...]

How to clear the qmail queue

by: WanderingTechy September 2, 2009

I recently needed to clear down a qmail queue.  There were no valid emails on the server but the queue was full of failed spam (blocked) This script clears the queue.

Search and Replace in Vim

by: WanderingTechy September 1, 2009

I hadn’t used this is a while and needed to change the IP address in a named.conf file.  This is not a full tutorial, it’s just a quick and simple howto for search and replace in Vi(m) Here is the format