After installing Fedora 19 on my laptop, I found a few things look strange and rather new. Yeah, I was still in trusty Centy (RHEL) 4-5-6 era. Well, as far as work concern, right? As for laptop and home use, I could opt to some other distro like Mint. But … Continue reading
Mediawiki is good. The key feature what I need is its automatic categorized pages listing. This feature enables me to map(mind map) or relate my thoughts and findings at higher categorized level. But it is also a bit wide open for personal or private use by default installation. It is … Continue reading
With Apache httpd-2.4, NameVirtualHost Directive is deprecated. If we happen to bring over httpd.conf from old version to newer httpd-2.4 and have NameVirtualHost *:80 then we will find this warning. We can simply remove NameVirtualHost directive in this case.
$ /c/Apache24/bin/httpd.exe -S
AH00548: NameVirtualHost has no effect and will be removed in the next release
Usually, we use virtual hosts (vhosts). With this effect, if … Continue reading
Switching wordpress multisite sub-directory setup to sub-domain network… At first, I’ve installed my wordpress multisite with path-based (sub-directory). But then, I would like to switch it to domain-based (sub-domain). I’ve read through wordpress codex and learned that there is no problem at the script end. At some point, the doc … Continue reading
Profiling or monitoring heap size in Java or JavaEE app At the normal operation, the Sawtooth wave should be observed. If heap size never come back after heavy weight process, passing critical region or entities loading then better watch out for “Data Cancer”. Sometime, it is way too much or … Continue reading