dnf --setopt=tsflags=noscripts install ...
☠ ✈︎ skull-squadron
skull-squadron
/ README.md
Created
May 31, 2024 05:52
How to un/install an RPM without running scriplets
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| #[macro_export] | |
| macro_rules! new_lazy_static { | |
| ($(#[$a:meta])* $v:vis fn $i:ident() -> &$t:ty $b:block $($rest:tt)*) => { | |
| __new_lazy_static_inner!($(#[$a])*, $v, $i, Box<&$t>, $t, Box::new($b)); | |
| new_lazy_static!($($rest)*); | |
| }; | |
| ($(#[$a:meta])* $v:vis fn $i:ident() -> $t:ty $b:block $($rest:tt)*) => { | |
| __new_lazy_static_inner!($(#[$a])*, $v, $i, $t, $t, $b); | |
| new_lazy_static!($($rest)*); | |
| }; |
skull-squadron
/ mass-rename
Created
May 30, 2024 02:36
mass-rename files and change contents with sed
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| #!/usr/bin/env bash | |
| [[ "${BASH_VERSINFO[0]}" -ge 4 ]] || { | |
| echo >&2 'Requires bash >= 4' | |
| exit 1 | |
| } | |
| set -Eeuo pipefail | |
| [ -z "${DEBUG-}" ] || set -x | |
| if [ "$#" = 0 ]; then | |
| cat >&2 << 'USAGE' |
skull-squadron
/ README.md
Last active
May 10, 2024 00:30
C portable C99 byte deser of sized integer types (instead of BSD socket network functions)
- Zero dependencies
- Zero heap allocations
- Unrolled and inlineable
- Sensibly debuggable using line-oriented breakpoints
- Buffer-oriented functions usable in embedded and kernel development
- Optional 128-bit integer support where
__int128andunsigned __int128are available
skull-squadron
/ force-replace-docker-binaries-with-unsupported-generic-ones
Created
April 9, 2024 05:57
Oracle Linux and Fedora: Replace docker YUM/RPM binaries with generic ones from the interwebs without hash/sig checking or confirmation
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| #!/usr/bin/env bash | |
| # Needed for btrfs support on RH/Fedora-derived platforms | |
| set -Eeuo pipefail | |
| files=(containerd containerd-shim-runc-v2 ctr docker dockerd docker-init docker-proxy runc) | |
| url_prefix="https://download.docker.com/linux/static/stable/$(/bin/arch)/" | |
| ua='Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36' | |
| tarball=$(/bin/curl -fsSL -A "$ua" "$url_prefix" | /bin/grep -Eo 'docker-[0-9.]+tgz' | /bin/sort -Vur | /bin/head -1) | |
| url="${url_prefix}${tarball}" |
skull-squadron
/ Makefile
Last active
April 9, 2024 04:57
Find a crc32 hash collision to embed in a file (requires zlib)
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| CFLAGS ?= -std=c99 -D_FORTIFY_SOURCE=2 -Wall -Wextra -Wpedantic -Wformat=2 -flto -O3 -DNEBUG | |
| build: find-crc32-worker | |
| find-crc32-worker: find-crc32-worker.c Makefile | |
| $(CC) $(CFLAGS) -lz $< -o $@ | |
| clean: | |
| rm -f find-crc32-worker |
skull-squadron
/ figsample
Last active
April 9, 2024 05:14
Figlet sample viewer (require crc32 from Perl)
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| #!/usr/bin/env bash | |
| # | |
| # | |
| # _______ _____ ______ _______ _______ _______ _____ _______ | |
| # |______ | | ____ |______ |_____| | | | |_____] | |______ | |
| # | __|__ |_____| ______| | | | | | | |_____ |______ | |
| # | |
| # | |
| # ___ ___ ___ | |
| # |
skull-squadron
/ ssh-regen-moduli
Last active
April 8, 2024 10:39
Regenerate /etc/ssh/moduli for modern openssh
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| #!/usr/bin/env bash | |
| set -euo pipefail | |
| # This script supports openssh 8.2+ | |
| (( ! UID )) || exec /usr/bin/sudo "$0" "$@" | |
| var=${0//[^a-zA-Z0-9_]/_} | |
| eval [ "\${$var-}" ] || exec /usr/bin/env ${var}=1 /usr/bin/flock -en "$0" "$0" "$@" | |
| bits=${1:-4096} | |
| min_bits=$((bits - 1)) | |
| moduli::generate() { |
skull-squadron
/ cmdline.txt
Created
April 8, 2024 05:17
Kernel config diff between CentOS 9-stream (5.14.0-430.el9.x86_64) and Oracle 9.3 UEK (5.15.0-204.147.6.3.el9uek.x86_64)
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| (HOST1={{hostname1}} HOST2={{hostname2}}; diff -u <(ssh "$HOST1" 'sed "/CONFIG_/!d;s/^# //" /boot/config-$(uname -r) | sort') <(ssh "$HOST2" 'sed "/CONFIG_/!d;s/^# //" /boot/config-$(uname -r) | sort')) |
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