Author Archives: Bogdan
Speed check when ICMP packets are disabled, hping3
Today I’m going to show you a simple way to check your speed to a location where ICMP packets are disabled or filtered. The process in this test is to use the ping command but to a different port and protocol, port 80 and using syn packets. I’m currently testing this from Ubuntu x64 LTS,
How to fix nginx logrotate error
How to fix nginx logrotate error Today I’m going to show you simply how to fix nginx logrotate error, error which I cam across recently while checking my VPS settings and emails. I know its been a long since my last article, but do believe me I’ve been so busy that I forgot about me entirely. In
WordPress new media manager
The wordpress new media manager in wordpress Today, 12 December 2012, wordpress has lunched a new update to version 3.5 titled after jazz drummer Elvin Jones. It includes a lot of new fixes and also a new, more good looking media manager. I’m still playing around with it, but looks much much more better and and feels
Google Apps not a free service
Google Apps not a free service Google has been over the years limiting the access for free users more and more, at the second half of this year I personally noticed that Google started to remove the free link signup from more of its pages, leaving only one way to access. Today, 07 December 2012,
How to increase website speed in a slow Joomla site
How to increase website speed in a slow Joomla site Recently I had to work overtime for a client which had some issues with speed on a normal shared account. My first thought would be to obviously check what he has installed. My really first impression was ‘WOW, that’s a lot …’. Even though he’s
Install memcached php extension CentOS 5 and 6
Install memcached php extension Ok, I recently explained how to install memcached on Centos 5 and 6, now we need to install the memcached php extension to use it in your php web applications. There are two ways to do this, using Pecl or manually compiling it. I’ll explain both ways here and I’ll start
Install memcached on CentOS 5 and 6
Install memcached on CentOS 5 and 6 Yesterday I had to install memcached on a VPS server for a client which, what he said, was especially needed for his application. For those who don’t know, memcached is a high performance distributed memory object caching system, like its name, it is using your ram memory, speeding up dinamic
Increasing squid cache directory size
Increasing squid cache directory size The past weeks I had to set a reverse proxy using squid. For those who don’t know, squid is a web proxy, but can be used as a reverse proxy and web accelerator. So in my cases I used squid as both a reverse proxy and web accelerator. In this
How to install a ssl certificate on nginx
How to install a ssl certificate on nginx This is really a hassle when using nginx with https and your certificates uses bundle CA files (certificate authority). The only directives that you’re given when installing the certificate is:
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server { listen 443; server_name domain.com; ssl on; ssl_certificate /your/ssl/folder/domain_certificate.crt; ssl_certificate_key /your/ssl/folder/domain_certificate.key; ... } |
So as you can see, you only have those two directives, but nowadays certificates are soled
Email server ports
I provide technical support to a lot of people and some times I do forget, not sure why but it happens. This more of a memo for me, to have here each email server ports that are used around. POP3 – port 110 IMAP – port 143 SMTP – port 25 HTTP – port 80
