Heres something thats puzzling me. Starting from a minimal installation of CentOS 7, network configuration is DHCP. Im launching nmtui to define a static configuration. Im providing the IP address as well as the gateway, but no DNS server. Im quitt..
Author : Niki Kovacs
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On a fresh CentOS 7 installation using Français/France as regional parameters in the installer, heres what localectl looks like: [microlinux@linuxbox ~]$ localectl System Locale: LANG=fr_FR.UTF-8 VC Keymap: ch-fr X11 Layout: ch X11 Variant: fr Now..
Ive just spent a couple weeks experimenting extensively with Proxmox VE (Virtual Environment) and Proxmox PBS (Backup Server) on a couple of sandbox servers. I must say Im impressed, especially of the elegance and simplicity of the backup solution. Runn..
Up until now my main production server has been a bare metal installation of CentOS 7.9 hosting a variety of stuff. * DNS server with BIND for eight domains * IMAP mail server with Postfix and Dovecot for these domains, with about two dozen mail accou..
Im currently fiddling with KVM, Proxmox and various VMs. I setup a very basic VM with a manual (fdisk) partitioning scheme: one /boot partition, one swap partition, and one root partition, the latter being the last partition and thus expandable)…
Up until recently Ive hosted all my stuff (web & mail) on a handful of bare metal servers. Web applications (WordPress, OwnCloud, Dolibarr, GEPI, Roundcube) as well as mail and a few other things were hosted mostly on one big machine. Backups for t..
More often than not, when installing CentOS, I choose manual partitioning and then apply the KISS principle, with a very simple partitioning scheme that looks more or less like this: * /boot partition: 500 MB, ext2 * swap partition: equivalent to amo..
My main mail server is running CentOS 7 with Postfix and Dovecot. Last week I was surprised to see that Postfix had some troubles on this machine, according to Icinga. I took a peek at the logs: # journalctl -p err Mar 28 04:37:02 sd-151768 postfix/smtpd[278..
(tl;dr : how can I clone a KVM-based bridged virtual machine and force a duplicate MAC address ?) Up until recently Ive been using VirtualBox on my workstation to test various local setups. Usually I would setup a basic CentOS installation, and whene..
One of my clients is running CentOS 7 on his workstation. Hes using Mozilla Thunderbird with an IMAP account at Infomaniak to manage his mails. Two days ago he shot himself in the foot by playing around with Thunderbirds auto-cleaning features. He enab..
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