Category Archives: Servers

Linux : cPanel [rebuildhttpdconf] Missing owner for domain host.domain.tld, force lookup to root

Encountering the following error trying to manually rebuild your Apache cPanel config? info [rebuildhttpdconf] Missing owner for domain host.domain.tld, force lookup to root Built /usr/local/apache/conf/httpd.conf OK To fix this issue, simply edit : vi /var/cpanel/userdata/nobody/host.domain.tld And append the following at the bottom of the file : owner: ‘nobody’ Then restart try to rebuild again : /scripts/rebuildhttpdconf… Read More »

Linux : Unable to build R1Soft module on Debian 8

I recently end up with the following error trying to build the R1Soft agent module using “r1soft-setup –get-module” command : Checking if module needs updated Checking for binary module Waiting                       / No binary module found Gathering kernel information Gathering kernel information complete. Creating kernel… Read More »

Linux : Error failed dependencies updating kernel-3.10.63-11.el6.centos.alt.noarch

Having the following error trying to install/update kernel v3.10 from the Xen repository on CentOS 6? error: Failed dependencies: kernel-firmware < 3.10.63-11.el6.centos.alt conflicts with kernel-firmware-3.10.63-11.el6.centos.alt.noarch Well, you are probably trying to install using “rpm -i” command. You should use “rpm -Uvh” instead as followed : rpm -Uvh kernel-3.10.68-11.el6.centos.alt.x86_64.rpm kernel-firmware-3.10.68-11.el6.centos.alt.noarch.rpm

Linux : How to register RedHat Enterprise Linux

RedHat can be used upon a paid subscription. You have to register your system using the following command in order to use the Yum repositories : subscription-manager register –username <username> –password <password> –auto-attach If by any chance you ran that command in the first place but you had no subscription available in your account, your… Read More »

Linux : error processing package nginx on Debian

Having this error trying to install Nginx on Debian Linux 8? dpkg: error processing package nginx (–configure): dependency problems – leaving unconfigured Errors were encountered while processing: nginx-full nginx E: Sub-process /usr/bin/dpkg returned an error code (1) This is a known behaviour if you have Apache or another Web server installed and running. The problem… Read More »

Linux : How to tune up receive (TX) and transmit (RX) buffers on network interface

Modern and performance/server grade network interface have the capability of using transmit and receive buffer description ring into the main memory. They use direct memory access (DMA) to transfer packets from the main memory to carry packets independently from the CPU. The usual default buffering values for regular desktop NICs are 256 or 512 bytes. High… Read More »