3-2-1 backup is not a timer to backup. It’s a well covered backup strategy to avoid data loss storing 3 copies of valuable data in different places. At least 3 backups, 2 of which are locally stored in different devices, and 1 is stored externally, for example a cloud storage service. Here’s a recipe of …
Can still be feasible to upgrade an existing Window 7, 32 bit installation on 2020? I tried and yes, it is. Actually this is a suggestion of some of the best articles on this topic, this ZDnet howto by Ed Bott (archive) and this howtogeek howto by Chris Hoffman (archive) to convert a Windows 10 …
By now Atlassian is dropping support to Mercurial on the popular Bitbucket service. Here is a proof of concept to use a Docker container as a separate environment where self-host your code using basic mercurial features without bells and whistles. To do so, a docker container based on popular and lightweight jdeathe/centos-ssh image will be …
Talking about package manager on Linux, flatpak gained attention recently. Installation is easy, this is about installing on Ubuntu. If you’ve some trouble installing an application using the package manager shipped with your distro, you can give it a try, since it’s available on 22 distro by now. In the above case, torbrowser packet is …
In this howto I will show how to backup all PostgreSQL databases, roles and permission on a server and restore them on another server on a docker. 1. Backup databases on origin server To backup all PostgreSQL databases automatically, preserving roles and permission, you can create this cron.d script (this example is from a CentOS): …
This configuration will allow to install on a Debian-based system a fast server for client libraries. Key technologies used are: tmpfs to serve files from volatile memory git / mercurial from github / bitbucket to get files from a public or private repository systemd units to mount tmpfs and sync nginx to serve files to …
In this howto there are the steps to follow when a Windows 10 OS is not bootable anymore and you haven’t a recovery disk. This is a typical case after a new OS will be installed on Dual boot or boot partition was altered. Download Windows 10 iso: Download the official Windows 10 image Prepare …
To disallow password authentication on ssh, adduser –disabled-password will not disable openSSH password. To disable the password authentication, you have to put these values on /etc/ssh/sshd_config to: PasswordAuthentication no UsePAM no PermitRootLogin no Then you’ve to: to apply changes. Connection will not be reset so before logout try to login on a different terminal to …
First, you’ve to create a new partition. You can list all available storage device with: lsblk If your disk is new, the new device will appear empty (without children on the tree). Then: fdisk /dev/sdc Press m to show the manual. To create a partition larger than 2TB, you’ve to use a GPT partition (g) …
Tree is an useful linux command to display a tree representation a full directory structure or a part of it. On a Debian based distro like Ubuntu install: The last line of tree print a line like this: 346 directories, 174 files If you’re changing files and directories and you want a real-time update of …
