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...
The Momentum Blog
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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...
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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...
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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...
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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...
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Linux – Resize-Extend a disk partition with unallocated space (CentOS, Ubuntu, VM)
Expanding disk partitions to use all the available (unallocated) disk space is a common issue among Linux Administrators, expecially when working in a VMware-based Cloud environment. This often happens when deploying a Linux VM...
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How to install HAProxy load balancer on CentOS/Rocky Linux/Almalinux
Load balancing is a common solution for distributing web applications horizontally across multiple hosts while providing the users with a single point of access to the service. HAProxy is one of the most popular open-source load balancing...
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How to disable LiteSpeed/OpenLiteSpeed WebAdmin
LiteSpeed Web Server’s GUI is called “the WebAdmin console”. If you wish to disable the WebAdmin console, the easiest way is to create a file called “disablewebconsole” in $SERVER_ROOT/conf/ . This can be done...
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How to install and use TCPdump (capture packets)
Introduction In this tutorial, we’re going to bring you a popular network tool you should know about in order to correctly manage your networks. We are assuming that you have root permission, otherwise, you...
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Adding IP address on RHEL/CentOS 7 server with nmtui
nmtui (Network Manager Text user interface) is a command line program available in RHEL/CentOS 7 to configure IP address. This is a text based UI, allow you to add IP address to network interfaces....
Installing and Configuring Pure-FTPD on RHEL / CentOS 7
This article will teach you how to install and configure Pure-FTPD on CentOS 7 without a control panel (such as CPanel). Pure-FTPD is a simple File Transfer Protocol (FTP) server. It is designed to...
Renewing your soon expiring or expired Services
At Momentum, We take the time to remind you via email when your domain name or hosting service is coming up for renewal. To Renew your soon expiring or expired domain or service, please...
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...
Linux – Resize-Extend a disk partition with unallocated space (CentOS, Ubuntu, VM)
Expanding disk partitions to use all the available (unallocated) disk space is a common issue among Linux Administrators, expecially when working in a VMware-based Cloud environment. This often happens when deploying a Linux VM...
WordPress reports “Missing a temporary folder.” when uploading images
Symptoms With CloudLinux’s CageFS in use, a website may report that images cannot be uploaded. The following error will appear within the WordPress Dashboard: “file.png” has failed to upload.Missing a temporary folder Description The...
How to install HAProxy load balancer on CentOS/Rocky Linux/Almalinux
Load balancing is a common solution for distributing web applications horizontally across multiple hosts while providing the users with a single point of access to the service. HAProxy is one of the most popular open-source load balancing...
How to disable LiteSpeed/OpenLiteSpeed WebAdmin
LiteSpeed Web Server’s GUI is called “the WebAdmin console”. If you wish to disable the WebAdmin console, the easiest way is to create a file called “disablewebconsole” in $SERVER_ROOT/conf/ . This can be done...
How to install and use TCPdump (capture packets)
Introduction In this tutorial, we’re going to bring you a popular network tool you should know about in order to correctly manage your networks. We are assuming that you have root permission, otherwise, you...
