24 search results

• Software / Linux / Manuals
  Manual: vi
  PROLOG This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the ...
• Software / Linux
  How do I setup CentOS 7 for KVM Virtualisation with a bridged network [OVH/Hetzner]?
  Coming from a minimal install the first step is to install the required software # yum install net-tools qemu-kvm libvirt virt-install ...
• Software / Linux / Manuals
  Manual: crontab
    NAME crontab - maintain crontab files for individual users (ISC Cron V4.1)   SYNOPSIS crontab [-u user] file crontab [-u user] [-l ...
• Hardware / Cluster HAT / Cluster CTRL
  [LEGACY] How do I setup usbboot (no SD cards in the Pi Zeros) for the
  See the current documentation on booting without SD cards, this legacy information is kept here in case it helps anyone. I ...
• Hardware
  How to I setup a login prompt using the USB-USB Null Modem?
  To allow you to login to a Linux machine over the USB-USB Null Modem a getty needs to be ran ...
• Internet / Email
  I keep getting “Permission denied” errors with snertsoft milters
  Updating /etc/mail/access file the milter processes can generate “open error hash … Permission denied” errors. When the files are automatically updated ...
• Software / Hosting Control Panels
  How do I disable Greylisting in SmarterMail?
  To disable greylisting (graylisting) you will need to login as an admin and follow these simple steps.   Expand “Domains” and click ...
• Software / Linux / Command Line
  How do I remove all lines from a file up to a keyword?
  To remove all lines up to and including a keyword from a file simply use sed as follows: sed '1,/keyword/d' infile ...
• Software / Hosting Control Panels
  DotNetPanel / WebSitePanel custom errors do not work
  If IIS has been configured to show detailed errors by default custom error (404 etc) handlers will not function correctly, ...
• Software / Hosting Control Panels
  How do I log the connection IP in qmail (H-Sphere)?
  In versions newer than H-Sphere 2.5 Patch 1 you can increase the logging level by editing the "/var/qmail/control/options" file. Simply ...
• Software / Linux / Command Line
  After upgrading Cacti all image/css/etc links are pointing to / rather than /cacti/
  After upgrading Cacti from RPMForge cacti images/etc are linked to / rather than the /cacti/ directory. To resolve this you will ...
• Software / Linux / Command Line
  How do I setup VNC for a user on Centos 7?
  To setup your server to run a full desktop VNC session first we need to install the required packages. yum groupinstall ...
• Software / Linux / Command Line
  How do I use a static network device name for KVM (to graph in Cacti
  To force a static (pre-defined name for a KVM Virtual Machine you will need to edit the configuration file for ...
• Software / Linux
  How do I setup SNMPd on CentOS 7?
  To setup SNMP daemon firstly install the required packages. yum install net-snmp net-snmp-devel net-snmp-libs net-snmp-utils Then edit the main configuration file vi /etc/snmp/snmpd.conf Find ...
• Software / Linux / Command Line
  How do I rename a KVM VM?
  This example works on Debian 13, but will likely work on other distributions too (CentOS 7).   Save a copy of the ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I USBBOOT Pi Zero/Pi Zero 2 without SD cards (Cluster HAT/Cluster CTRL)?
  With the Cluster CTRL images (linked from the ClusterHAT website) it's now possible to mix/match booting nodes (Pi Zeros/Compute Modules/A+) ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I change a Cluster HAT image type (Controller/NAT/P1/P2/P3/P4/etc.)?
  If you're using an newer style Cluster CTRL image (the file /etc/default/clusterctrl exists) please follow Cluster CTRL instructions. On the Cluster ...
• Software / Linux
  When using CNAT the br0 (controller) or usb0 (node) doesn't get an IP via DHCP
  From testing I have seen this happen when dhcpcd is unable to obtain an IP address for the interface before ...
• Hardware / Cluster HAT / Cluster CTRL
  Why do I get the fallback IP instead of an IP via DHCP?
  The time dhcpcd waits before using the fallback IP can be set in the configuration file. Edit /etc/dhcpdcd.conf Add a line containing ...
• Hardware / Cluster HAT / Cluster CTRL
  ClusterCTRL: How to write an image to the eMMC?
  To write an image to the eMMC on a Compute Module you need to boot it as a USB Device ...
• Software / Linux / Command Line
  ClusterCTRL: How do I USBBOOT a Compute Module and use eMMC as local storage/swap?
  A Compute Module will boot as a USB device if either USBBOOT is enabled or it can't find bootcode.txt in ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I write new firmware to Cluster Stack?
  Control of the ClusterCTRL Stackis done using an ATmega328P (or ATmega328PB), the IC can be reprogrammed using either a standard ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I write new firmware to Cluster Stack
  Control of the ClusterCTRL Stackis done using an ATmega328P (or ATmega328PB), the IC can be reprogrammed using either a standard ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I change a Cluster CTRL image type (Controller/NAT/P1/P2/P3/P4/etc.)?
  If you're using an older style Cluster HAT image (if you have /etc/default/clusterctrl then you're using the new style), follow ...