Language Selection

English French German Italian Portuguese Spanish

Security Leftovers

Filed under
Security
  • Security updates for Tuesday

    Security updates have been issued by Fedora (expat and radare2), Oracle (thunderbird), Red Hat (389-ds-base, keepalived, libssh2, perl, and vim), Scientific Linux (thunderbird), SUSE (bzip2, kernel, podofo, systemd, webkit2gtk3, and xrdp), and Ubuntu (bash, nss, redis, squid, squid3, and Zipios).

  • Explainer: What is post-quantum cryptography?

    Few of us give much thought to the tiny padlock symbol that appears in our web browsers every time we use an e-commerce site, send and receive emails, or check our bank or credit card accounts. But it’s a signal that the online services are using HTTPS, a web protocol that encrypts the data we send across the internet and the responses we receive. This and other forms of encryption protect all kinds of electronic communications, as well as things like passwords, digital signatures, and health records.

  • Monitoring Linux Logs with Kibana and Rsyslog

    f you are a system administrator, or even a curious application developer, there is a high chance that you are regularly digging into your logs to find precious information in them.

    Sometimes you may want to monitor SSH intrusions on your VMs.

    Sometimes, you might want to see what errors were raised by your application server on a certain day, on a very specific hour. Or you may want to have some insights about who stopped your systemd service on one of your VMs.

    If you pictured yourself in one of those points, you are probably on the right tutorial.

    In this tutorial, we are to build a complete log monitoring pipeline using the ELK stack (ElasticSearch, Logstash and Kibana) and Rsyslog as a powerful syslog server.

    Before going any further, and jumping into technical considerations right away, let’s have a talk about why do we want to monitor Linux logs with Kibana.

  • Critical Vulnerability Found In Ad Inserter WordPress Plugin [Ed: Well, ads are malicious, many are literally malware, so people who put this crap in their site ask for if not deserve the worst.]

    On July 12, Wordfence team(Another popular security plugin for WordPress), discovered a vulnerability called RCE — Remote Code Execution in Ad inserter. This vulnerability can allow an attacker to run any arbitrary PHP code on the site.

    The vulnerability was found in Ad preview module of the plugin where you can preview the ads position, size, etc. before publishing it. This action can only be executed by the WordPress administrators and to ensure this, the plugin writer used WordPress function ‘check_admin_referer()‘ which ensures that the action is being performed by the administrator.

    Wordfence threat intelligence team who discovered this vulnerability said the ‘check_admin_referer()‘ function is not enough protection. check_admin_referer() is designed to protect against CSRF (Cross-site request forgery) and the way it ensures this is by checking if nonce (a one-time token) exists in the request.

  • Wanna work on Debian LTS (and get funded)?

    If you are in Curitiba and are interested to work on Debian LTS (and get paid for that work), please come and talk to me, Debian LTS is still looking for more contributors!

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.