CentOS 7

SSH Port Forwarding
2014-07-09 NTP / SSH Server ·#CentOS 7
It’s possible to forward a port to another port with SSH port forwarding. For example, configure the …
Configure vim
2014-07-08 Install / Initial Config ·#CentOS 7
Install and Configure vim that is more convenience than vi. Install vim [root@dlp ~]# yum -y install …
Configure Secondary Server
2021-02-24 DNS / DHCP Server ·#CentOS 7
Configure DNS Secondary Server (Slave Server). On this example, it shows to configure DNS Secondary Server …
Use File System
2019-06-12 Storage Server ·#CentOS 7
Configure a Client Host [dlp] to use Ceph Storage like follows. | +--------------------+ | | [dlp.srv.world] …
SSH X11 Forwarding
2015-04-15 NTP / SSH Server ·#CentOS 7
It’s possible to display and use GUI applications in remote server on local client with SSH X11 …
Nested KVM
2014-07-12 Virtualization ·#CentOS 7
Configure nested KVM. It’s possible to install KVM and create virtual machines as nested KVM on KVM …
Configure sudo
2014-07-08 Install / Initial Config ·#CentOS 7
Configure sudo to separate users’ duty if some people share privileges. It’s unnecessarry to …
Ceph Object Gateway
2019-06-12 Storage Server ·#CentOS 7
Enable Ceph Object Gateway (RADOSGW) to access to Ceph Cluster Storage via Amazon S3 or OpenStack Swift …
GPU Passthrough
2018-01-31 Virtualization ·#CentOS 7
Configure GPU Passthrough for Virtual Machines. By this configuration, it’s possible to use GPU on …
Use SSHPass
2015-04-15 NTP / SSH Server ·#CentOS 7
Use SSHPass to automate inputting password on password authentication. This is convenient but has security …