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orimanabu / ansible_enable_winrm_with_openssl_self_certificate.md
Last active March 5, 2024 11:48
Enable WinRM for Ansible using self signed certificate generated by OpenSSL

はじめに

これは、AnsibleでWindowsを管理するために、WinRMにHTTPSで接続できるよう設定するためのドキュメントです。 自己証明書は、PowerShellの New-SelfSignedCertificate ではなくLinux上でopensslコマンドで作成したものを使用します。

設定対象のWindows VMを

  • ホスト名: wintest1
  • IPアドレス: 192.168.122.70
@orimanabu
orimanabu / rosa-util.sh
Last active December 22, 2023 13:56
rosa-util.sh
#!/bin/bash
profile=blank
install_mode=hcp
cluster_name=hcp
#install_mode=classic
#cluster_name=classic
if [ x"$#" != x"1" ]; then
@orimanabu
orimanabu / gist:0afed3b956aec2f2c030dc92273bd09f
Created April 28, 2023 15:30
OpenSSL speed benchmark on MacBook Air M2
[ori@fedora linux-6.3]$ cat /sys/firmware/devicetree/base/model | awk '1'
Apple MacBook Air (13-inch, M2, 2022)
[ori@fedora linux-6.3]$ uname -a
Linux fedora 6.2.11-450.asahi.fc38.aarch64 #1 SMP PREEMPT_DYNAMIC Mon Apr 17 00:28:53 UTC 2023 aarch64 GNU/Linux
[ori@fedora linux-6.3]$ time openssl speed 2>&1 | tee log.openssl
Doing md5 for 3s on 16 size blocks: 16773642 md5's in 3.00s
Doing md5 for 3s on 64 size blocks: 10167926 md5's in 3.00s
Doing md5 for 3s on 256 size blocks: 4570146 md5's in 3.00s
Doing md5 for 3s on 1024 size blocks: 1427362 md5's in 3.00s
Doing md5 for 3s on 8192 size blocks: 192390 md5's in 3.00s
@orimanabu
orimanabu / linux_kernel_modules_build_time.md
Last active June 29, 2024 14:10
Time taken to `make -j ${NCORES} modules` of linux-6.3

Time taken to make -j ${NCORES} modules of linux-6.3

Hardware CPU # of cores (A) OS Time spent on make modules (B) 1 / (B) / (A)
Apple MacBook Air M2 Apple Silicon M2 (4 x efficiency cores @2.4GHz, 4 x performance cores @3.5GHz) 8 Fedora Linux Asahi Remix 38 30m4.815s 6.926e-05
Lenovo ThinkPad P1 Gen 2 Intel Core i7 9850H @2.60GHz 12 Fedora Linux 38 44m28.919s 3.122e-05
Dell PowerEdge R640 Intel Xeon Silver 4108 @1.80GHz 32 Fedora Linux 38 18m44.802s 2.778e-05
Lenovo ThinkPad P16v Gen 1 AMD Ryzen 7 PRO 7840HS @3.8GHz 16 Fedora Linux 39 15m2.816s 6.923e-05
Minisforum MS-01 12th Gen Intel(R) Core(TM) i9-12900H 20 Fedora Linux 40 14m28.963s 5.754e-05
Minisforum UM780 AMD Ryzen 7 7840HS w/ Radeon 780M Graphics 16 Fedora Linux 40 13m8.684s 7.922e-05
@orimanabu
orimanabu / install_podman_on_amazon_linux_2023.sh
Last active March 24, 2025 04:42
Install Podman on Amazon Linux 2023
#!/bin/bash
# To build podman, you have enough resource on the instance.
# I tested this script on t2.xlarge.
topdir=${HOME}/work
mkdir -p ${topdir}
# Install prereq rpms
sudo dnf install -y git golang libseccomp-devel gpgme-devel autoconf automake libtool yajl yajl-devel libcap-devel systemd-devel cni-plugins iptables-nft rpm-build meson golang-github-cpuguy83-md2man.x86_64
@orimanabu
orimanabu / podman_crun_wasmedge.md
Last active August 25, 2022 15:48
Run WasmEdge container with Podman and crun on Fedora 36

How to run Wasm container with Podman and crun

Login to Fedora 36 Server

ssh fedoravm

Install prereq packages

container related packages (+ git, etc)

@orimanabu
orimanabu / rhcos_rpm_version.sh
Last active October 4, 2022 01:29
Determine what version of an RPM is included in an OCP release
#!/bin/bash
# https://github.com/openshift/os/blob/master/docs/faq.md#q-how-do-i-determine-what-version-of-an-rpm-is-included-in-an-rhcos-release
export REGISTRY_AUTH_FILE=~/.config/containers/auth.json
if [ x"$#" != x"2" ]; then
echo "$0 ocp_version package_name"
exit 1
fi
@orimanabu
orimanabu / odf_cephfs_quota.txt
Created January 31, 2022 12:31
ODF CephFS Volume Quota Test Log
[ori@localhost ~]$ cat pvc1.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: cephfs-kernel
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
@orimanabu
orimanabu / c9s_install_btrfs.txt
Created January 28, 2022 06:11
Install btrfs Kmods SIG packages on CentOS Stream 9
sudo dnf update
sudo reboot
sudo dnf install https://cbs.centos.org/kojifiles/packages/centos-release-kmods/2/4.el9s/noarch/centos-release-kmods-2-4.el9s.noarch.rpm
sudo dnf install kmod-btrfs-5.14.0.45-2.el9s.x86_64
sudo modprobe btrfs
sudo mkfs.btrfs /dev/vdb
sudo mount /dev/vdb /mnt
@orimanabu
orimanabu / w4-pod-to-clusterip-different-node-ovs-oftrace-dst.txt
Created September 17, 2021 15:56
ovs-appctl ofproto/trace on dst node: OCP4.8 Pod-to-ClusterIP different node
[core@worker-3 ~]$ sudo ovs-vsctl --columns=ofport find interface type=geneve options:remote_ip=172.16.13.108
ofport : 7
[core@worker-3 ~]$ sudo ovs-appctl ofproto/trace --ct-next new,trk br-int in_port=7,tun_id=0x15,tun_metadata0=0x10078,tcp,reg0=0x282,reg11=0xd,reg12=0x8,reg13=0x2d,reg14=0x42,reg15=0x1,metadata=0x16,vlan_tci=0x0000,dl_src=0a:58:0a:83:02:01,dl_dst=0a:58:0a:82:03:2e,nw_src=10.131.2.40,nw_dst=10.130.3.46,nw_ecn=0,nw_ttl=64,nw_frag=no
Flow: tcp,reg0=0x282,reg11=0xd,reg12=0x8,reg13=0x2d,reg14=0x42,reg15=0x1,tun_id=0x15,metadata=0x16,in_port=7,vlan_tci=0x0000,dl_src=0a:58:0a:83:02:01,dl_dst=0a:58:0a:82:03:2e,nw_src=10.131.2.40,nw_dst=10.130.3.46,nw_tos=0,nw_ecn=0,nw_ttl=64,tp_src=0,tp_dst=0,tcp_flags=0
bridge("br-int")
----------------
0. in_port=7, priority 100
move:NXM_NX_TUN_ID[0..23]->OXM_OF_METADATA[0..23]
-> OXM_OF_METADATA[0..23] is now 0x15