liukch’s gists

liukch / README.md

Created January 30, 2024 02:54

Resize the data volume

sudo fdisk -l

sudo resize2fs /dev/nvme0nxxx

liukch / README.md

Created September 20, 2022 13:16

Access WSL2 and Multipass

Get-NetIPInterface | where {$_.InterfaceAlias -eq 'vEthernet (WSL)' -or $_.InterfaceAlias -eq 'vEthernet (Default Switch)'} | Set-NetIPInterface -Forwarding Enabled

liukch / README.md

Created April 24, 2022 08:45

Install node-exporter in CentOS.

#!/bin/bash

set -e

export NODE_EXPORTER_VERSION="1.3.1"

# Make file naming consistent with apt repository
readonly NAME=prometheus-node-exporter
readonly EXECUTABLE=/usr/local/bin/$NAME

liukch / README.md

Created December 23, 2021 07:07

Checkout to pull request branch

git fetch upstream pull/${PR_ID}/head && git checkout FETCH_HEAD

liukch / README.md

Last active November 30, 2021 12:35

Linux Disk Operation

1. mkfs.ext4

mkfs.ext4 -E nodiscard -m0 /dev/nvme2n1

2. echo >> /etc/fstab

blkid
vi /etc/fstab

liukch / openssl.md

Created November 17, 2021 12:54 — forked from zhiguangwang/openssl.md

Common OpenSSL Commands with Keys and Certificates

Generate RSA private key (2048 bit)

openssl genrsa -out private.pem 2048

Generate a Certificate Signing Request (CSR)

openssl req -sha256 -new -key private.pem -out csr.pem

liukch / README.md

Last active February 8, 2022 06:21 — forked from zhiguangwang/README.md

SSH Tunnelling

ssh-tunnel() { nohup ssh -o ServerAliveInterval=15 -f -N -L ${1}:${2} ${3} > /dev/null 2>&1; }

Usage

ssh-tunnel <local-port> <remote-host>:<remote-port> <bastion>

liukch / README.md

Created December 22, 2020 02:14 — forked from zhiguangwang/README.md

Show the environment variables of a running process in Linux

sudo cat /proc/<pid>/environ | tr '\0' '\n'

liukch / README.md

Created December 22, 2020 02:11 — forked from zhiguangwang/README.md

Remove password requirement from group sudo when using command "sudo"

Ubuntu

echo "%sudo ALL=(ALL:ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/50-group-sudo-nopasswd