corpus.blog
41554 blogs · [ { "id": "01a0dd57-9ca0-7284-8a88-fe7902948675", "title": "Why CAP_SYS_PTRACE is worse than CAP_SYS_ADMIN", "url": "https://www.scrivano.org/posts/2026-09-24-cap-sys-ptrace-is-worse-than-cap-sys-admin/", "published_at": "2026-09-24T08:00:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c5ceaf7d", "title": "Sharing EROFS superblocks across container mounts", "url": "https://www.scrivano.org/posts/2026-08-11-sharing-erofs-superblocks-across-container-mounts/", "published_at": "2026-08-11T08:00:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c4194763", "title": "Locking composefs images with flock", "url": "https://www.scrivano.org/posts/2026-07-10-composefs-image-locking-with-flock/", "published_at": "2026-07-10T08:00:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c4ed114f", "title": "Image sealing with composefs", "url": "https://www.scrivano.org/posts/2026-06-05-sealing-with-composefs/", "published_at": "2026-06-05T08:00:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c5d1252d", "title": "GitChronicler: Write commit messages with AI", "url": "https://www.scrivano.org/posts/2025-04-30-git-chronicler/", "published_at": "2025-04-30T14:12:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c6bb65af", "title": "Why do I have two /sys/fs/cgroup in my container", "url": "https://www.scrivano.org/posts/2024-1-26-why-do-i-have-two-cgroup/", "published_at": "2024-01-26T12:12:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c70a8cef", "title": "Hide the current process executable file", "url": "https://www.scrivano.org/posts/2022-12-21-hide-self-exe/", "published_at": "2022-12-21T20:15:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c752db1a", "title": "The journey to speed up running OCI containers", "url": "https://www.scrivano.org/posts/2022-10-21-the-journey-to-speed-up-oci-containers/", "published_at": "2022-09-21T14:30:00+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c76fddf2", "title": "An interesting issue handling the seccomp listener", "url": "https://www.scrivano.org/posts/2022-09-05-seccomp-listener/", "published_at": "2022-09-05T19:59:12+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c79c46b4", "title": "Composefs - a file system for container images", "url": "https://www.scrivano.org/posts/2021-10-26-compose-fs/", "published_at": "2021-10-26T14:02:56+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c875de55", "title": "Seccomp made easy", "url": "https://www.scrivano.org/posts/2021-01-30-easyseccomp/", "published_at": "2021-01-30T19:10:14+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390c9635adf", "title": "Cgroup v2 OOM group", "url": "https://www.scrivano.org/posts/2020-08-14-oom-group/", "published_at": "2020-08-14T17:49:32+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390ca3a79d4", "title": "Playing with seccomp notifications in the OCI runtime", "url": "https://www.scrivano.org/posts/2020-08-10-seccomp-notifications/", "published_at": "2020-08-10T08:40:19+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390caaf81cc", "title": "Avoid a memory page allocation on mount(2)", "url": "https://www.scrivano.org/2019/12/27/avoid-a-memory-page-allocation-on-mount/", "published_at": "2019-12-27T16:16:33+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cb4225ae", "title": "Run containers without pulling images", "url": "https://www.scrivano.org/2019/10/24/run-containers-without-pulling-images/", "published_at": "2019-10-24T18:37:23+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cb4e3958", "title": "Crun moved to github.com/containers", "url": "https://www.scrivano.org/2019/08/12/crun-moved-to-github-com-containers/", "published_at": "2019-08-12T09:54:25+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cc16a4b5", "title": "Rootless resources management with Podman on Fedora 30", "url": "https://www.scrivano.org/2019/05/12/rootless-resources-management-with-podman-on-fedora-30/", "published_at": "2019-05-12T20:36:59+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cc7ffa7c", "title": "Resources management with rootless containers and cgroups v2", "url": "https://www.scrivano.org/2019/02/26/resources-management-with-rootless-containers/", "published_at": "2019-02-26T21:22:10+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cceba70d", "title": "Rootless containers @ devconf.cz", "url": "https://www.scrivano.org/2019/02/24/rootless-containers-devconf-cz/", "published_at": "2019-02-24T22:26:15+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cddd56cf", "title": "SUID binaries from a user namespace", "url": "https://www.scrivano.org/2019/01/10/suid-binaries-from-a-user-namespace/", "published_at": "2019-01-10T21:49:30+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cdff3c6a", "title": "Disposable rootless sessions", "url": "https://www.scrivano.org/2019/01/09/disposable-rootless-sessions/", "published_at": "2019-01-09T22:01:08+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390ce601d03", "title": "An Emacs mode for Rust", "url": "https://www.scrivano.org/2018/12/18/an-emacs-mode-for-rust/", "published_at": "2018-12-18T20:57:11+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cf328107", "title": "Rootless Podman from upstream on CentOS 7", "url": "https://www.scrivano.org/2018/10/12/rootless-podman-from-upstream-on-centos-7/", "published_at": "2018-10-12T09:14:21+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cf6479dd", "title": "Network namespaces for unprivileged users", "url": "https://www.scrivano.org/2018/08/05/network-namespaces-for-unprivileged-users/", "published_at": "2018-08-05T13:54:44+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390cfb94017", "title": "Become-root in a user namespace", "url": "https://www.scrivano.org/2018/07/19/become-root-in-an-user-namespace/", "published_at": "2018-07-19T08:28:06+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d06a00de", "title": "Fuse-overlayfs moved to github.com/containers", "url": "https://www.scrivano.org/2018/07/13/fuse-overlayfs-moved-to-github-com-containers/", "published_at": "2018-07-13T22:00:59+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d12f3366", "title": "Current status (and problems) of running Buildah as non root", "url": "https://www.scrivano.org/2018/02/25/current-status-problems-running-buildah-non-root/", "published_at": "2018-02-25T13:59:14+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d188cd51", "title": "New COPR repository for crun", "url": "https://www.scrivano.org/2017/11/15/new-copr-repository-crun/", "published_at": "2017-11-15T19:25:46+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d24ad595", "title": "C is a better fit for tools like an OCI runtime", "url": "https://www.scrivano.org/2017/10/23/c-still-makes-sense-low-level-tools-oci-runtime/", "published_at": "2017-10-23T21:21:19+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d3038d56", "title": "OpenShift on system containers", "url": "https://www.scrivano.org/2017/02/23/openshift-system-containers/", "published_at": "2017-02-23T18:26:43+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d33fc6d5", "title": "System containers presentation ", "url": "https://www.scrivano.org/2017/01/30/system-containers-presentation/", "published_at": "2017-01-30T18:41:37+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d40af530", "title": "Facebook detox? ", "url": "https://www.scrivano.org/2016/12/27/facebook-detox/", "published_at": "2016-12-27T20:52:47+00:00" }, { "id": "01a087dd-134a-728d-91fa-5390d44ce279", "title": "Use bubblewrap as an unprivileged user to run systemd images", "url": "https://www.scrivano.org/2016/10/22/use-bubblewrap-unprivileged-user-run-systemd-images/", "published_at": "2016-10-22T13:21:25+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b175b6b794", "title": "Brainfuc**d brainf**k", "url": "https://www.scrivano.org/2016/05/11/brainfucd-brainfk/", "published_at": "2016-05-11T21:15:43+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b17616876a", "title": "Refactoring a function name across several patches with git rebase", "url": "https://www.scrivano.org/2016/04/22/rename-symbol-across-several-git-patches/", "published_at": "2016-04-22T17:32:23+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b176a0594e", "title": "System containers for Atomic", "url": "https://www.scrivano.org/2016/03/24/system-containers-for-atomic/", "published_at": "2016-03-24T15:41:50+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b177796ca6", "title": "Ostree-docker-builder", "url": "https://www.scrivano.org/2015/09/30/ostree-docker-builder/", "published_at": "2015-09-30T13:25:56+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b1778a4984", "title": "Summer of Code 2015 for wget", "url": "https://www.scrivano.org/posts/2015-04-30-summer-of-code-2015-wget/", "published_at": "2015-04-30T21:40:25+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b177cf6e49", "title": "Create a QCOW2 image for Fedora 22 Atomic", "url": "https://www.scrivano.org/posts/2015-04-20-create-a-qcow2-image-for-fedora-22-atomic/", "published_at": "2015-04-20T15:50:30+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b177fd7d91", "title": "How to deploy a WordPress Docker container using docker-compose", "url": "https://www.scrivano.org/posts/2015-04-19-wordpress-in-a-docker-container/", "published_at": "2015-04-19T23:25:49+00:00" }, { "id": "01a087dd-134b-73eb-86df-68b178c9a374", "title": "About", "url": "https://www.scrivano.org/about/", "published_at": null }, { "id": "01a087dd-134b-73eb-86df-68b179ba6de6", "title": "Archive", "url": "https://www.scrivano.org/archives/", "published_at": null } ] posts Claim your blog
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scrivano.org

2026

Why CAP_SYS_PTRACE is worse than CAP_SYS_ADMINoriginal ↗
24 Sept 2026
Sharing EROFS superblocks across container mountsoriginal ↗
11 Aug 2026
Locking composefs images with flockoriginal ↗
10 Jul 2026
Image sealing with composefsoriginal ↗
5 Jun 2026

2025

GitChronicler: Write commit messages with AIoriginal ↗
30 Apr 2025

2024

Why do I have two /sys/fs/cgroup in my containeroriginal ↗
26 Jan 2024

2022

Hide the current process executable fileoriginal ↗
21 Dec 2022
The journey to speed up running OCI containersoriginal ↗
21 Sept 2022
An interesting issue handling the seccomp listeneroriginal ↗
5 Sept 2022

2021

Composefs - a file system for container imagesoriginal ↗
26 Oct 2021
Seccomp made easyoriginal ↗
30 Jan 2021

2020

Cgroup v2 OOM grouporiginal ↗
14 Aug 2020
Playing with seccomp notifications in the OCI runtimeoriginal ↗
10 Aug 2020

2019

Avoid a memory page allocation on mount(2)original ↗
27 Dec 2019
Run containers without pulling imagesoriginal ↗
24 Oct 2019
Crun moved to github.com/containersoriginal ↗
12 Aug 2019
Rootless resources management with Podman on Fedora 30original ↗
12 May 2019
Resources management with rootless containers and cgroups v2original ↗
26 Feb 2019
Rootless containers @ devconf.czoriginal ↗
24 Feb 2019
SUID binaries from a user namespaceoriginal ↗
10 Jan 2019
Disposable rootless sessionsoriginal ↗
9 Jan 2019

2018

An Emacs mode for Rustoriginal ↗
18 Dec 2018
Rootless Podman from upstream on CentOS 7original ↗
12 Oct 2018
Network namespaces for unprivileged usersoriginal ↗
5 Aug 2018
Become-root in a user namespaceoriginal ↗
19 Jul 2018
Fuse-overlayfs moved to github.com/containersoriginal ↗
13 Jul 2018
Current status (and problems) of running Buildah as non rootoriginal ↗
25 Feb 2018

2017

New COPR repository for crunoriginal ↗
15 Nov 2017
C is a better fit for tools like an OCI runtimeoriginal ↗
23 Oct 2017
OpenShift on system containersoriginal ↗
23 Feb 2017
System containers presentation original ↗
30 Jan 2017

2016

Facebook detox? original ↗
27 Dec 2016
Use bubblewrap as an unprivileged user to run systemd imagesoriginal ↗
22 Oct 2016
Brainfuc**d brainf**koriginal ↗
11 May 2016
Refactoring a function name across several patches with git rebaseoriginal ↗
22 Apr 2016
System containers for Atomicoriginal ↗
24 Mar 2016

2015

Ostree-docker-builderoriginal ↗
30 Sept 2015
Summer of Code 2015 for wgetoriginal ↗
30 Apr 2015
Create a QCOW2 image for Fedora 22 Atomicoriginal ↗
20 Apr 2015
How to deploy a WordPress Docker container using docker-composeoriginal ↗
19 Apr 2015

Undated

Aboutoriginal ↗
—
Archiveoriginal ↗
—