It’s one of those Sundays when I’ve got some spare time, and decided to upgrade an existing Linux kernel into the latest stable release (as I write this, the latest stable is 3.12.5) on one of my Debian VMs. Continue reading
Category Archives: Linux
OpenVPN Client Setup on Linux
This post is a follow up for OpenVPN: Server Setup on Linux. We will install and configure an OpenVPN client on another Debian Linux machine and will connect to the OpenVPN server that was created earlier. Continue reading
OpenVPN Server Setup on Linux
We will be setting up an OpenVPN server on a Debian Wheezy VM. Continue reading
Installing Zabbix 1.8.19 From Source on Debian with PHP Frontend and HTTPS (LAMP Stack)
We have a Zabbix v1.8.X (with MySQL) server hosted on a Debian Squeeze VM. This VM is being migrated to Debian Wheezy, and therefore requires Zabbix to be moved as well.
However, due to security related issues Zabbix packages were removed from Wheezy.
So, what we are going to do is to install Zabbix 1.8.19 from source, and restore the database backup we have created on a Squeeze VM. Continue reading
OpenSSH Server Installation and Configuration
Today’s plan is to install an OpenSSH server on a local Debian VM, generate public and private SSH keys for a general user and configure SSH server to use public key authentication with password authentication disabled. Continue reading
Finding Open Ports and Listening Services on Linux: Nmap, Netstat, lsof and ss
Trying to keep it simple. Continue reading
Alien: Converting Between Package Formats
I was aware of alien program for quite some time, but never had any real chance to use it in practice. However, that time has finally come. Continue reading
Exploring Linux Hard and Symbolic Links
A link is a way to give a file multiple identities. Links in Linux are similar to shortcuts in Windows, and aliases in Mac OS. However, on a Linux filesystem, a file does not get deleted until there are no remaining hard links to it. Continue reading
LUKS: Add a Backup Key, Backup, Restore and Delete LUKS Volume Header
Following up our LUKS installation, we will go further and explore how to add a backup passphrase as well as how to backup and restore LUKS volume header in case of disaster. Continue reading
Install LUKS and Create an Encrypted LUKS Partition on Debian
We will install Linux Unified Key Setup (LUKS) software and create an encrypted LUKS volume. Continue reading