May 29, 2019
First, renew letsencrypt ssl certificate. And then copy the new SSL certificate files to zimbra's folder. Follow by replacing the existing commercial key with private key. Finally, deploy and then restart zimbra service.
May 26, 2019
Edit `Global.asax` file. Import the `System.Net` class and then change the security protocol to tls1.2 in the `Applicatin_Start` method.
May 24, 2019
How to set website's default encoding in IIS? How to fix a page that can't display foreign language like Chinese?
Add the tag inside the head tag of the web page. Also add the following setting inside the tag in the web.config file.
May 22, 2019
May 13, 2019
A heap is a tree-based data structure which satisfies the heap property, if the parent node is greater than the child node is called max-heap or if the parent node is less than the child node is called min-heap.
March 18, 2018
Koken is a content management system (CMS) and web site publishing for photographers. Your images are your most important asset. Koken treats them with the attention they deserve by including a full-featured management interface that looks and feels like a desktop application.
March 17, 2018
March 16, 2018
Shrinking logical volume (LVM) must go through several steps. Unlike standard partition (ext4 file system). In order to shrink root logical volume, we must boot into a live CD like SystemRescueCD. And then shrink the volume from there.
March 16, 2018
Sometimes we forget root password and needs to reset. One of the approach is to reset via SystemRescueCD.
March 14, 2018
First we need to shrink the partition, and then shrink the qcow2 file.
March 4, 2018
This section covers adding storage devices to a guest. Additional storage can only be added as needed.
February 27, 2018
Doing MySQL load balancing on HAProxy has several advantages; such as ip address restriction. Configuring MySQL to use HAProxy proxy protocol is a ticky part. It needs to know HAProxy ip address.