Posts tagged: linux

Tailscale allows you to ssh into all of your tailscale machines, it busts through firewalls and accross networks without complex setup. If you have used tailscale before this is an obvious no brainer. What is not obvious is that you can configure tailscale to allow ssh connections from devices within your tailnet without even a ssh daemon process running right through the tailscale daemon. tailscale status tailscale set --ssh I picked this up from the tailscale youtube channel. Tailscale [1] References: [1]: https://www.youtube.com/watch?v=08clF9srJ2k&t=35s

Distrobox Use any linux distribution inside your terminal. distrobox.it [1] distrobox gives you distrobox-host-exec to run commands on the host. This is handy to get access to host level clis that you probably wouldn’t want to run from the container like podman, docker, flatpak. DESCRIPTION distrobox-host-exec lets one execute command on the host, while inside of a container. Under the hood, distrobox-host-exec uses host-spawn a project that lets us execute commands back on the host. If the tool is not found the user will be prompted to install it. Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://distrobox.it/usage/distrobox-host-exec/ [2]: /thoughts/

Are We Anti-Cheat Yet? areweanticheatyet.com [1] A comprehensive community built index of anti-cheat support for linux very similar to proton, but specific to anticheat support. Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://areweanticheatyet.com/ [2]: /thoughts/

- I had no idea that you could just drop an msi installer right in steam. This worked for me, and was much easier to install pokemon tcg live in 05-2024 on ubuntu 22-04. I added the msi to steam from my downloads, hit start, failed right away like he said it would. changed compatability to proton experimental, and it opened right up. - Download the official installer from pokemon tcg - Add non steam game - click show all file types - navigate to downloaded msi - click gear icon > compatability > proton experimental - click play - profit Note This post is a thought [1]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: /thoughts/

just [1] has been by go to tool for saving commands in a way that I can replay them and have team members replay them without relying on the shell history of any given machine. This is my go to default step, it lets you pick a just command to run with a fuzzy picker. default: @just --list References: [1]: https://github.com/casey/just

Bug #2006590 “gdm3 crashes with SIGTRAP on startup” : Bugs : gdm3 package : Ubuntu Suddenly this week, my GUI (ubuntu 22.10) does not open, stuck on the console text. I tried to free some space (by uninstall a app), then to check/update the paquets (dkpg). ProblemType: Bug Distr… Launchpad · bugs.launchpad.net [1] This Thread saved my son’s ubuntu 24.04 install. His was failing to start with the following error. Gdm: GdmSession: no session desktop files installed, aborting... https://twitter.com/_WaylonWalker/status/1785825677079441482 sudo apt install --reinstall ubuntu-session Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/2006590 [2]: /thoughts/

Creating SSH Apps with Charm Wish and Laravel Prompts Building PHP CLI apps with Laravel Prompts is easy, but how can we share them? Charm to the rescue! Charm Wish is an easy-to-use SSH server that allows users to securely log into your server and us... Joe Tannenbaum · blog.joe.codes [1] Joe has a sick cli.labs site for deploying tui applications. ssh cli.lab.joe.codes Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://blog.joe.codes/creating-ssh-apps-with-charm-wish-and-laravel-prompts [2]: /thoughts/

TIL how to display the list of nfs mounts on your network. showmount -e You can even look for mounts of other machines on your network. showmount -e <hostname>

With the liscense changes to redis there are several new forks out there. One that I am particularly interested in is redka [1]. curl https://i.jpillora.com/nalgeon/redka | bash chmod +x redka ./redka database.db We now have redis running on port 6379 that we can connect to with a redis client. And we have a sqlite database that we can inspect. ❯ sqlite3 database.db "SELECT name FROM sqlite_master;" rkey rkey_key_idx rkey_etime_idx rkey_on_type_update rstring rstring_pk_idx vstring rhash rhash_pk_idx rhash_key_id_idx vhash We can look at the values in the vstring table. sqlite3 database.db "SELECT * from vstring;" 1|hi|hello there you||2024-04-17 01:46:26 References: [1]: https://github.com/nalgeon/redka

The main system that I am concerned about is my arch BTW machine. I found a great article [1] from the official archlinux site covering it. For my machine I am concerned with this line. The xz packages prior to version 5.6.1-2 (specifically 5.6.0-1 and 5.6.1-1) contain this backdoor. I checked my xz package with AUR [2].">paru, and I am good. paru -Qii zx References: [1]: https://archlinux.org/news/the-xz-package-has-been-backdoored/ [2]: /aur/

AUR [1].">paru has some nice features that I rarely use, and hav to look up when I need them. Here are two commands to help with dependency management. ❯ paru -Qii nodejs Name : nodejs Version : 21.7.2-1 Description : Evented I/O for V8 javascript Architecture : x86_64 URL : https://nodejs.org/ Licenses : MIT Groups : None Provides : None Depends On : icu libuv libnghttp2 libnghttp3 libngtcp2 openssl zlib brotli c-ares Optional Deps : npm: nodejs package manager [installed] Required By : node-gyp nodejs-nopt npm semver Optional For : None Conflicts With : None Replaces : None Installed Size : 46.86 MiB Packager : Felix Yan <[email protected]> Build Date : Thu 04 Apr 2024 05:11:09 AM CDT Install Date : Mon 15 Apr 2024 07:27:02 AM CDT Install Reason : Installed as a dependency for another package Install Script : No Validated By : Signature Backup Files : None Extended Data : pkgtype=pkg You can check all the packages depended on by nodejs by running the following. This is everything from all of the repos you have configured, not what you have installed. ❯ pactree --reverse --sync --depth 1 nodejs nodejs ├─acorn ├─ansible-language-server ├─asar ├─babel-cli ├─babel-core ...

Arch Linux - News: The xz package has been backdoored archlinux.org [1] Check your system to see if you are vulnerable to the xz backdoor. I found this line most pertanent to me. The xz packages prior to version 5.6.1-2 (specifically 5.6.0-1 and 5.6.1-1) contain this backdoor. Also it appears that arch is not vulnerable as it does not directly link openssh to liblzma, so the known attack vecotor is not possible. read to the end of the linked article for more. Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://archlinux.org/news/the-xz-package-has-been-backdoored/ [2]: /thoughts/

I recently updated ollama [1], and it now installs a systemd service that I was not expecting. Seems like a great option, but I hadn’t expeted this and I was able to kill it previously. It was using up gpu, and I do other things on my machine with a gpu. I tried pkill, kill, and everything, it was still coming back. No matter what it comes back # stop it systemctl stop ollama.service # disable it if you want systemctl disable ollama.service # confirm its status systemctl status ollama.service You can confirm this with the following command. # checking running processes ps aux | grep ollama pgrep ollama # checking gpu processes gpustat --show-cmd --show-pid Next time you want to start you can do it as before with ollama serve. References: [1]: https://ollama.com/

How to run pods as systemd services with Podman Podman is well known for its seamless integration into modern Linux systems, and supporting systemd is a cornerstone in these efforts. Linux commonly uses th... redhat.com [1] podman comes with a nice command for generating systemd service files (units). $ podman pod create --name=my-pod 635bcc5bb5aa0a45af4c2f5a508ebd6a02b93e69324197a06d02a12873b6d1f7 $ podman create --pod=my-pod --name=container-a -t centos top c04be9c4ac1c93473499571f3c2ad74deb3e0c14f4f00e89c7be3643368daf0e $ podman create --pod=my-pod --name=container-b -t centos top b42314b2deff99f5877e76058ac315b97cfb8dc40ed02f9b1b87f21a0cf2fbff $ cd $HOME/.config/systemd/user $ podman generate systemd --new --files --name my-pod /home/vrothberg/.config/systemd/user/pod-my-pod.service /home/vrothberg/.config/systemd/user/container-container-b.service /home/vrothberg/.config/systemd/user/container-container-a.service Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://www.redhat.com/en/blog/podman-run-pods-systemd-services [2]: /thoughts/

GitHub - sharkdp/bat: A cat(1) clone with wings. A cat(1) clone with wings. Contribute to sharkdp/bat development by creating an account on GitHub. GitHub · github.com [1] Bat is my favorite pager, its the one for me that seems to just work more than the rest. colors, syntax highlighting, line numbers search, it just feels the most natural. Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://github.com/sharkdp/bat [2]: /thoughts/

Relocating the Docker root directory If the space in the file system where the Docker root directory is located is not adequate and cannot be increased, you must relocate the directory. ibm.com [1] A very straightforward guide to moving your docker data, such as container storage to a different location. In my case I wanted it off of my boot drive. Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://www.ibm.com/docs/en/z-logdata-analytics/5.1.0?topic=compose-relocating-docker-root-directory [2]: /thoughts/

GitHub - containers/aardvark-dns: Authoritative dns server for A/AAAA container records. Forwards other request to host's /etc/resolv.conf Authoritative dns server for A/AAAA container records. Forwards other request to host's /etc/resolv.conf - containers/aardvark-dns GitHub · github.com [1] I ran into some dns issues while running podman on arch, aparantly I had missed an optional dependency of aardvark-dns for container to container dns resolution. paru -S aardvark-dns Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://github.com/containers/aardvark-dns [2]: /thoughts/

Podman - ArchWiki wiki.archlinux.org [1] I kept running into limits in the number of subuid and subgid’s I had on my system by default. As always thank the arch wiki guide for having the most comprehensive yet consice guide to setup podman. What I needed to do to fix the error. usermod --add-subuids 100000-165535 --add-subgids 100000-165535 username Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://wiki.archlinux.org/title/Podman [2]: /thoughts/

TestDisk Step By Step CGSecurity · cgsecurity.org [1] testdisk is an amazing command line utility (interactive tui) that just saved me a hard drive that was filled with data, but every machine that I plugged it into told me that it was completely unpartitioned. Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://www.cgsecurity.org/wiki/TestDisk_Step_By_Step [2]: /thoughts/

How to Manage 'Systemd' Services and Units Using 'Systemctl' in Linux Systemctl is a systemd utility which is responsible for Controlling the systemd system and service manager. Systemd is a collection of system management daemons, utilities and libraries which serve... How to Manage ‘Systemd’ Services and Units Using ‘Systemctl’ in Linux · tecmint.com [1] A fantastic overview of the systemd cli. Note This post is a thought [2]. It’s a short note that I make about someone else’s content online #thoughts References: [1]: https://www.tecmint.com/manage-services-using-systemd-and-systemctl-in-linux/ [2]: /thoughts/