How to Expand a Disk in a Linux (VM): Step-by-Step Guide
Expanding a disk in a virtual machine is a common task for system administrators. This blog demonstrates how to increase a disk size from 30 GB to 100 GB, scan for the new size,...
VPS Hosting
Fix the Zimbra Collaboration permissions
Purpose Sometimes you will find errors due to changing the permissions to files or folders under the Zimbra directory /opt/zimbra/. To fix this problem, run the zmfixperms command. Resolution Confirm that all permissions are...
Zimbra: Easy Purging/Deleting all mail from an mailbox in Zimbra
What happens if a zimbra user’s mailbox is full? All incoming emails will bounce. Today, I want to post how to easily delete or empty the Zimbra user’s mailbox from the webmail browser and...
Zimbra Open Core Series – Rate Limiting Email with PolicyD
Rate Limiting Email Using PolicyD PolicyD is a built-in, open-source tool in Zimbra that allows you to implement spam combating and email compliance features. In this post, I will show you how to set...
How to Lock and Unlock Zimbra Accounts from Command Line
Zimbra is a popular email and collaboration platform that allows users to manage their email accounts, calendars, contacts, and more. As a Zimbra administrator, you may encounter situations where you need to lock or...
How to change the default port number in Koha
If we want to install other applications like Dspace, we need to change the default port numbers of Koha. The default port number for Staff client is 8080 and OPAC is 80. Add new...
Vi shortcuts
The best way to learn Vi is to create a new file and try it out for yourself. Feel free to use the common keyboard shortcut list below to help you learn Vi’s extensive...
How to Setup Rsync with SSH on UNIX / Linux (rsync without password)
Question: When I perform rsync, it asks for my password on the remote server before starting the transfer. I would like to avoid this, and perform rsync without a password. Can you explain with...
Enable passive mode in FTP server with CSF firewall
If you running an FTP server (Pureftp/Proftp) with a CSF firewall (very importantly in VPS or Virtuozzo etc), it is essential to enable passive mode, because this mode, works best for ftp clients protected...
How to Use the Linux rsync Command for Remote Directory Synchronization
The Linux remote sync command lets you easily synchronize files or directories between multiple destinations. For instance, you can move files to a remote machine or between directories within the same system. This Linux...
