I’m coming from the past, where FTP was enough for regular deployment. Those times are long gone, and we need to keep in shape with the younger developers who mostly …
Category: Linux
Debian server – Setting a Default Gateway
To set up or change default gateway, you can use ip command, route command or you can manually edit /etc/network/interfaces file. Option 1: ip command ip route add default via …
How to upload an ISO image to the Proxmox server using the terminal
ISO images can be easily uploaded via web interface but if you still want to do it “old way”, the directory where Proxmox stores ISO images is /var/lib/vz/template/iso/var/lib/vz/template/iso You can …
How to check the DNS server IP being used (Ubuntu 18.04+)
If you’re using Ubuntu 18.04+ (or distro based on Ubuntu 18.04) and you would like to know which DNS servers are responsible for your connection, you can try the next …
Email alert for SSH logins
It is good idea to get notified when someone logs into your Linux server. First be sure that your server is able to send email (at least Postfix + valid …
Time and date on CentOS 7 Howto
NTP stands for Network Transport Protocol and it is used to keep the time on the servers synced with each other using a common reliable source to get the time. …
rsync tutorial
Rsync is a command-line utility commonly used to copy files and folders from one location to another while preserving file attributes (permissions, ownership). In other words, it is used to …
Librem 5 – A Security and Privacy Focused Phone
The idea to build and use the phone OS which doesn’t rely on Apple or Google is quite old. Since the Ubuntu Edge project, there have been several attempts, but …
Heart Bleed Bug – OpenSSL – part 2
I maintain more than 30 servers and several of them was affected with Heartbleed bug. CentOS released update for OpenSSL package(s) so there are no excuses not to update (yum …
EoIP tunnel on Linux
Ethernet over IP (EoIP) Tunneling is a MikroTik RouterOS protocol (stateless and light ethernet point to point tunnel protocol with 28 bytes static overhead) that creates an Ethernet tunnel between two …