Kategoriarkiv: Linux

Tunneling HP ILO5 through SSH

Udgivet den oktober 27, 2022 af mike

Creates a tunnel to the ilo port, which in this example is 10.0.0.201 through the jumphost, after this you can connect to ILO by typing in https://locahost and accept the security warning, refreshing and logging in with your credentials.

Udgivet i Linux, SSH | Skriv en kommentar

Unmounting an NFS Share that has gone away

Udgivet den oktober 24, 2022 af mike

On Linux when an NFS share disappears it is not handled very well, to say it nicely, and in order to get a functioning machine again you need to drop that mount, but a simple umount command states that the … Læs resten →

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Fail2ban crash course

Udgivet den september 14, 2022 af mike

Just install fail2ban and the default settings will keep you protected just fine, after five failed login attempts the ip address of the offending login will be blocked for 10 minutes using iptables. If you wish to keep tap on … Læs resten →

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Check TLS Certificate with openssl

Udgivet den august 1, 2022 af mike
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Distributing SSH Keys with Ansible

Udgivet den maj 5, 2022 af mike

This method is designed to fully take over the distribution of SSH Keys, meaning if you use this method you, or individual users, can no longer manually add their own keys to the systems. ./roles/ssh-keys/tasks/main.yml: ./roles/ssh-keys/tasks/authorized_keys And finally ./roles/ssh-keys/vars/main.yaml This … Læs resten →

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Adding a secondary qemu2 disk to a kvm using virsh

Udgivet den februar 11, 2022 af mike

First create the image: Then attach it to the virtual machine: Enter VM and format disk, you don’t need to restart.

Udgivet i KVM, Linux | Skriv en kommentar

Installing OpenZFS on Debian 11

Udgivet den december 6, 2021 af mike

Installing OpenZFS Install the repository management system: Enable contrib repositories: Upgrade system: Reboot system to boot with the new kernel: Ssh back in to the host, and install the needed packages: Say “OK” to imkompatability warning, and load the newly … Læs resten →

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Shrinking the root filesystem on a Linux machine

Udgivet den december 6, 2021 af mike

This was needed by me in order to run ZFS on a DigitalOcean droplet, but the process should be applicable to more or less any Linux system. 1: Boot into rescue mode Click the “Recover” link in the left vertical … Læs resten →

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Adding SSH Keys to CloneZilla disk-image

Udgivet den september 13, 2018 af mike

Create working-directory in root’s homdir: root@Voyager:~# mkdir my-clonezilla root@Voyager:~# cd my-clonezilla/ root@Voyager:~/my-clonezilla# Generate SSH Keys: root@Voyager:~/my-clonezilla# ssh-keygen -t rsa -f ./id_rsa Generating public/private rsa key pair. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been … Læs resten →

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Screenshot script for Ubuntu 18.04

Udgivet den august 3, 2018 af mike

This script will take a screenshot, upload it to a server and copy the URL into your clipboard and finaly play a sound to tell you that it’s done, first install xclip: apt-get install xclip Create screenshot.sh #!/bin/bash filename=’Screenshot_from_’`date +%Y-%m-%d_%H-%M-%S`’.png’ … Læs resten →

Udgivet i Linux, Workstation | Skriv en kommentar