Well, Let’s Encrypt went live from Dec 2015, so why don’t we utilize it for free SSL certificates? Since it only valid for 3 months, we can simply run the script monthly to check and renew the certificate. Detail steps for configuring Gitlab SSL with Let’s Encrypt are as follows: First, install gitlab as the guide…
Recently I often faced problems with MariaDB Galera Cluster, so I decided to give Percona XtraDB Cluster a try. I write here necessary steps to setup a PHP Stack with Percona XtraDB Cluster on CentOS 7. To avoid problems, be sure that SELinux is not enabled in the server. Guide can be found HERE. Open INCOMING and OUTGOING…
Well, PHP7 has just been released as you can read on the php.net website. Time to celebrate 🙂 So in this quick tutorial, I will note necessary steps to ugprade to PHP 7 on CentOS, assuming that you are using PHP with FPM with remi repo. Necessary steps are as follows: First, install yum-utils: [bash]yum…
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If you normally generate SSL keys and csr based on openssl tool, then when using it for java-based web servers (w.g. tomcat), you will need to convert the OpenSSL certificates to Java keystore file so that it can be used for java-based web servers. This quick tuts provide you step-by-step one: Assume that you have…
Well, there are plenties of online tutorials about proxmox and backup itself, however, there is really difficult to find a working one with NFS installation, configuration and make it work with Proxmox. So I decide to add a short tutorial on how to backup proxmox with nfs. Install NFS on remote storage server In this case,…
Well, after reading some debate on using PostgreSQL for a production work for heavy site with full-text search capability instead of combining MySQL and ElasticSearch, I decide to give it a try with my new early-start-up project. In this tutorial I will note necessary steps to install PostgreSQL with PHP on Ubuntu to create a…
These days I have been working with many Proxmox Containers for virtualization, both OpenVZ and KVM. When running some CentOS VM inside containers, I faced the problem of internet connection when assigning IPs to VMs. After resolving the issue, I would like to take some notes regarding how to fix the problem of Promox VM cannot connect…
Well, last week I worked on simple PHP – Oracle project so one of the problem I must do is installing Oracle DB for testing. As some of you may know, we normally need a GUI to run install script from Oracle, or use quite installation with pre-defined response file. For simplicity, I did install…
In this tutorial, I will write down step-by-step guide on how to install ElasticSearch on CentOS. Well, if you do not know what is ElasticSearch, then it can be defined as follows: Elasticsearch is a search server based on Lucene. It provides a distributed, multitenant-capable full-text search engine with a RESTful web interface and schema-free…