Technology Tips, and Anything Else
With the ever increasing volume of spam e-mails (98% of all e-mail at the last count I’m sure I read somewhere), there are plenty of spam filtering methods around now (including hosted services and applications to be installed on your servers), but if you’re using Exchange 2007, you may be able to use the in-built …
Continue reading “Anti-Spam Functionality on the Hub Transport (Exchange)”
You may have many ISO images lying around of various CDs or DVDs. ISO images are an exact copy of an optical disk, and are increasingly popular – with high speed internet being available to many, people are taking advantage of this and instead of spending money on discs and shipping costs, simply making them …
There’s a command for that! So everyone in the Linux/BSD world has used the command “cat” to print out the contents of a file to screen. Infact, I find it hard to believe you can use Linux or BSD properly without using that command on log files and any other text-based file. But say you …
Whilst quite cool, it can also be quite important to keep a log of the bandwidth being used by a server – whether it’s because you have bandwidth limitations from a data center or ISP, whether you just want to see how much the server uses, or even to detect when something “strange” is going …
Continue reading “Basic Host Bandwidth Monitoring (Linux, BSD)”
One thing I’ve noticed on Mac OS X 10.5 Leopard is that even though you select “United Kingdom” for the keypad, locales etc, the spell checking still stays in American English. This is quite annoying, and not an obvious thing to change.. but it can be done, so that British English is the default. In …
Continue reading “Change the Default Spell Checking Language in Mac OS X”
We’ve all be there – you do a DNS lookup, and it’s still showing the wrong IP address, even though you know it’s since changed. Well, DNS works on caching entries – what this means is, your local machine caches a lookup (for the duration of the TTL set by the DNS server) and your …
Continue reading “Clearing/Flushing Your Local DNS Cache (Windows, OSX)”
daz@scampi:~$ ruptime You may run multiple Linux servers, or BSD servers, or even AIX servers, and need to monitor uptime, load averages, and users logged in from one central point. @davetaylor on Twitter asked for the output of the ruptime command, which got me looking into the command in more detail – hence this post! …
Continue reading “Monitoring the Status of Multiple Linux/BSD/OSX/Unix Hosts”