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Proprietary: Telegram and Flash on GNU/Linux

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Software
  • Telegram Update Adds Message Scheduling, Personal Reminders & New Theme Options [Ed: Proprietary at the server side]

    Messaging scheduling is among the new features added to the hugely popular Telegram messaging service.

    Telegram 1.8.3 (v5.11 on mobile) introduces the ability to schedule messages.

    This feature could prove particularly useful for Telegram group admins and channel owners (hi), as well as those who want to broadcast a missive at a specific time rather than having it posted (or read) straight away.

    To schedule a message in Telegram desktop is easy enough: right click on the ‘Send’ button in the chat toolbar, select the ‘Schedule Message’ option, and pick a date and time. You get a notification when your scheduled message is successfully sent (and presumably no notification if it fails).

    [...]

    You can refer to our guide on how to install Telegram on Ubuntu, Linux Mint and related distro should you want to get the service up running on your system.

  • Adobe Flash and Firefox 68+ in Gentoo Linux

    Though many sites have abandoned Adobe Flash in favour of HTML5 these days, there are still some legacy applications (e.g. older versions of VMWare’s vSphere web client) that depend on it. Recent versions of Firefox in Linux (68+) started failing to load Flash content for me, and it took some digging to find out why. First off, I noticed that the content wouldn’t load even on Adobe’s Flash test page. Second off, I found that the plugin wasn’t listed in Firefox’s about:plugins page.

More in Tux Machines

Android Leftovers

Android Leftovers

How App Stores Are Addressing Fragmentation in the Linux Ecosystem

According to DistroWatch, 273 Linux distributions are currently active, with another 56 dormant and 521 discontinued. While some of these have shared underpinnings, it still makes for an extremely varied landscape for companies and developers. It means developers must create multiple versions of their applications to be able to provide their software to all Linux users or just address a fraction of the market. Also, developers require multiple versions of build tools, which inevitably results in significant resource overhead. Desktop application distribution is complex across all operating systems in general; in Linux, this is further compounded by such fragmentation and inter-dependencies both in the packaging and distribution of software. For example, Fedora uses the RPM packaging format, while Debian uses the .deb format. Moreover, packages built for one version of a Linux distribution are often incompatible with other versions of the same distribution and need to be built for each version separately. Read more

Security Leftovers

  • Security updates for Monday

    Security updates have been issued by Debian (ansible, faad2, linux-4.9, and thunderbird), Fedora (jbig2dec, libextractor, sphinx, and thunderbird), Mageia (expat, kconfig, mediawiki, nodejs, openldap, poppler, thunderbird, webkit2, and wireguard), openSUSE (buildah, ghostscript, go1.12, libmirage, python-urllib3, rdesktop, and skopeo), SUSE (python-Django), and Ubuntu (exim4, ibus, and Wireshark).

  • Open Source Security Podcast: Episode 161 - Human nature and ad powered open source

    Josh and Kurt start out discussing human nature and how it affects how we view security. A lot of things that look easy are actually really hard. We also talk about the npm library Standard showing command line ads. Are ads part of the future of open source?

  • Skidmap malware drops LKMs on Linux machines to enable cryptojacking, backdoor access

    Researchers have discovered a sophisticated cryptomining program that uses loadable kernel modules (LKMs) to help infiltrate Linux machines, and hides its malicious activity by displaying fake network traffic stats. Dubbed Skidmap, the malware can also grant attackers backdoor access to affected systems by setting up a secret master password that offers access to any user account in the system, according to Trend Micro threat analysts Augusto Remillano II and Jakub Urbanec in a company blog post today. “Skidmap uses fairly advanced methods to ensure that it and its components remain undetected. For instance, its use of LKM rootkits – given their capability to overwrite or modify parts of the kernel – makes it harder to clean compared to other malware,” the blog post states. “In addition, Skidmap has multiple ways to access affected machines, which allow it to reinfect systems that have been restored or cleaned up.”

  • Skidmap Linux Malware Uses Rootkit Capabilities to Hide Cryptocurrency-Mining Payload

    Cryptocurrency-mining malware is still a prevalent threat, as illustrated by our detections of this threat in the first half of 2019. Cybercriminals, too, increasingly explored new platforms and ways to further cash in on their malware — from mobile devices and Unix and Unix-like systems to servers and cloud environments. They also constantly hone their malware’s resilience against detection. Some, for instance, bundle their malware with a watchdog component that ensures that the illicit cryptocurrency mining activities persist in the infected machine, while others, affecting Linux-based systems, utilize an LD_PRELOAD-based userland rootkit to make their components undetectable by system monitoring tools.