The GRUB_CMDLINE_LINUX is set to an empty string as shown in Figure 1-22. Figure 1-22. The /etc/default/grub file. Set the GRUB_CMDLINE_LINU as follows, which enables memory and swap accounting in the kernel at boot. GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1" The modified /etc/default/grub file is shown in Figure 1-23.
Sep 19, 2018 · GRUB_CMDLINE_LINUX="vconsole.keymap=la-latin1 rd.lvm.lv=centos_centos7-2/swap crashkernel=auto vconsole.font=latarcyrheb-sun16 rd.lvm.lv=centos_centos7-2/root rhgb quiet" Why would you want to modify the default kernel parameters or pass extra options?
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In dit voorbeeld gebruik ik de ceph-ansible playbooks. Met 6 VMtjes kun je snel een realistisch CEPH cluster opbouwen. Clone 3 lichte VMtjes voor de monitoring nodes (mons) en 3 iets zwaardere VMtjes met 2 extra disks als storage nodes (osds). Start de Ansible playbooks vanaf een host met minimaal Ansible versie 1.9.4.
Dec 29, 2015 · Ansible - Debian Based Gotchas - Part-1 December 29, 2015 4 minute read As I am currently running through some Docker setups between Debian Jessie and Ubuntu Trusty using Ansible I ran into a few gotchas. Now I would have assumed that everything SHOULD be identical but not so much.
The GRUB_CMDLINE_LINUX is set to an empty string as shown in Figure 1-22. Figure 1-22. The /etc/default/grub file. Set the GRUB_CMDLINE_LINU as follows, which enables memory and swap accounting in the kernel at boot. GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1" The modified /etc/default/grub file is shown in Figure 1-23.
name: LUGE - learn grub menuentry initram to be used script: "{{ luge_script | default('/etc/ansible/files/learn-used-grub-entry.sh') }}" environment: LUGE_OUTPUT: initram changed_when: false register: luge_initram #. this one will fail if the file does not exist - name: LUGE...
Look for a line starting with GRUB CMDLINE LINUX DEFAULT=, and add the following line in between the quotes and before whatever options there are: init=/sbin/e4rat-preload 18. It should look like this: GRUB CMDLINE LINUX DEFAULT = init=/sbin/e4rat- preload quiet splash. Save and close the Grub menu and update Grub using sudo update-grub. Dec 16, 2020 · Starting with the Queens release, the new ansible deploy interface is available in Ironic. Unlike the default iSCSI deploy interface, it is highly customizable through operator-provided Ansible playbooks. These playbooks will run on the target image when Ironic boots the deploy ramdisk.
# line 6: add GRUB_CMDLINE_LINUX="ipv6.disable=1 rd.lvm.lv=fedora-server/root..... Apply changing # grub2-mkconfig -o /boot/grub2/grub.cfg # systemctl reboot. Use network interfaces name like ethX # vi /etc/default/grub # line 6: add GRUB_CMDLINE_LINUX="net.ifnames=0 rd.lvm.lv=fedora/swap rd.md=0..... Apply changing
GRUB_CMDLINE_LINUX="crashkernel=auto rd.neednet=1 ip=dchp rd.luks.uuid=luks-xxxx rhgb quiet" 設定が完了したら以下のコマンドで grub のconfigを生成します。 sudo grub2-mkconfig -o /etc/grub2.cfg
As 'GRUB_CMDLINE_LINUX' and 'GRUB_CMDLINE_LINUX_DEFAULT', but for NetBSD. 'GRUB_EARLY_INITRD_LINUX_STOCK' is for your distribution to declare images that are provided by the distribution. It should not be modified without understanding the consequences.
GRUB_CMDLINE_LINUX="crashkernel=auto ... rhgb quiet vga=795 " ... Ansibleで自動構成させるためのプレイブックファイルplaybook.ymlを以下内容で ...
Grub configuration. This blog post has been written with a virtual machine running Oracle Linux Server release 7.3 and having two network interfaces: one for GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=vg00/lvol00 rd.lvm.lv=vg00/lvol01 rhgb quiet numa=off transparent_hugepage=never...
Dec 16, 2020 · Starting with the Queens release, the new ansible deploy interface is available in Ironic. Unlike the default iSCSI deploy interface, it is highly customizable through operator-provided Ansible playbooks. These playbooks will run on the target image when Ironic boots the deploy ramdisk.

Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs. Take a look at man 8 grubby. Tool that can be used to manage grub options.On the GRUB_CMDLINE_LINUX line, add rd.driver.blacklist=nouveau nouveau.modeset=0 ... v 1M out4nv.mkv ffmpeg -y -i Eucalyptus-Ansible-Deploy.mp4 -acodec copy -vcodec ...

Jan 12, 2019 · Introduction to Boot Device to LVM. Single Partition boot device to LVM: There are times when you have a system that has a single boot partition that houses all of the important Linux files, such as /boot and /home, on a single root (/) filesystem.

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Jun 02, 2020 · GRUB_CMDLINE_LINUX=”novga console=ttyS0,115200 panic=1 numa=off elevator=cfq rd.md.uuid=d265dd3d:9ee4d53a:597b8c08 ... Provisioning AWS EC2 Instance with Ansible.
ansible_user: winadminuser ansible_password: winadminpassword ansible_port: 5986 ansible_connection: winrm ansible_winrm_server_cert_validation: ignore Dieses File kann man mit ansible-vault encrypt group_vars/windows.yml verschlüßeln. Der erste Test. ansible windows -m win_ping --ask-vault-pass sollte für einen ersten Versuch reichen.
Feb 27, 2020 · Overview In this article we will focus on installing and configuring OpenStack Train using RDO and the packstack installer. RDO is a community platform around Red Hat’s Enterprise OpenStack Distribution.
I found, that editing /etc/default/grub and changing GRUB_CMDLINE_LINUX="" to GRUB_CMDLINE_LINUX="net.ifnames=0" is the solution of the problem (then sudo update-grub). But there is no grub. Armbian uses u-boot AIK. How to pass a cmdline to linux using u-boot?
Dec 28, 2019 · I’ve moved a rather hacky tinc mesh vpn solution to wireguard, all set up through an ansible playbook. the topology is rather classic: my workstation (laptop, changing network situation) connects as a ‘client’ to two wireguard ‘servers’ as vpn gateways which are publicly accessible bastion hosts, and who also are members of a private subnet to which they ought to give access. the ...
Find the kernel line (grub config file) which corresponds to your currently running kernel. Add the following at the end of that line - console=tty0 console=ttyS0,9600n8 GRUB_CMDLINE_LINUX="console=tty1 console=ttyS0,115200n8″. Best regards. Reply Link.
Par défaut Debian 8 ne montre pas les services démarrés au Boot du système, cela peut être gênant si vous essayer de configurer un script qui ne démarrage pas.
--enable=ansible-2-for-rhel-8-$(uname -m)-rpms--enable=rhel-8-for-$(uname -m)-sap-solutions-rpms. 3) Install Ansible Engine and RHEL System Roles for SAP: #dnf install ansible rhel-system-roles-sap. The rhel-system-roles-sap package is installed to the following locations where is the name of the individual role; for example, sap-hana ...
AWS Openshift cluster build by ansible this is a Openshift cluster build demo by ansible uses US-West AWS site EC2 example of US-West(N. California) role type cpu ram master01 r5a.xlarge 4 32 infra01 t3a.xlarge 4 16 compute01 c5.4xlarge 16 32 ...
Vagrant with Ubuntu 16.04 in VirtualBox. GitHub Gist: instantly share code, notes, and snippets.
'Grub_cmdline_linux'. Command-line arguments to add to menu entries for the Linux kernel. 'Grub_cmdline_xen'| 'Grub_cmdline_xen_default'. The values of these options are passed to Xen hypervisor Xen menu entries, for all respectively normal entries.
In dit voorbeeld gebruik ik de ceph-ansible playbooks. Met 6 VMtjes kun je snel een realistisch CEPH cluster opbouwen. Clone 3 lichte VMtjes voor de monitoring nodes (mons) en 3 iets zwaardere VMtjes met 2 extra disks als storage nodes (osds). Start de Ansible playbooks vanaf een host met minimaal Ansible versie 1.9.4.
For example, does GRUB_CMDLINE_LINUX="acpi_backlight=vendor". behave any differently than GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor"? As an unrelated question, what do any of them have to do with mapping the use of my fn keys?
GRUB_CMDLINE_LINUX_DEFAULT=„quiet splash". Grub 2 je kompatibilní se standardem POSIX (Portable Operating System Interface for Unix) jako jsou GNU/Linux, *BSD, Mac OS aj., ale zvládá už i připojit systémy nekompatibilní s tímto standardem.
Running: % sudo grub-update. In Ubuntu should fix this, if it doesn’t try the alternative below which I found at AskUbuntu. Open terminal: sudo vi /etc/default/grub. Locate the below: GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”. Add acpi=force at the end as shown below:
在本篇文章中我将以在Mac笔记本中安装两台Ubantu系统的方式,演示如何部署一套具备一个控制节点(Master)和一个计算节点(Worker)的Kubernetes学习集群。
Investigated the open security vulnerabilities in ansible (11) and prepared some preliminary patches. The work is ongoing. The work is ongoing. Fixed the remaining zsh vulnerabilities in Stretch in line with Debian 8 „Jessie“, so that all versions in Debian are equally protected.
In Proxmox, it is possible to passthrough PCI devices directly into a VM. In this section, we will see how to configure and verify a PCI passthrough.
Ansible - Config Manage (01) Install Ansible (02) Ansible Basic Usage (03) Use Playbook (basic) (04) Use Playbook (variables) (05) Use Playbook (when) (06) Use Playbook (notify) (07) Use Playbook (include) (08) Use Playbook (Roles) PXE Boot - PXE Server (01) Configure PXE Server (02) Network Installation (03) Network Installation (UEFI)
Running: % sudo grub-update. In Ubuntu should fix this, if it doesn’t try the alternative below which I found at AskUbuntu. Open terminal: sudo vi /etc/default/grub. Locate the below: GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”. Add acpi=force at the end as shown below:
Планировщики ввода/вывода в Linux (I/O Scheduler) - как работают, чем отличаются. Оптимизация работы SSD. Как узнать какой scheduler выбран, как установить другой scheduler
Aug 10, 2018 · GRUB_CMDLINE_LINUX="... iommu=pt amd_iommu=on". Update GRUB and reboot the host (s). Hugepages are required for DPDK. Instances leveraging DPDK-accelerated Open vSwitch must be configured to use hugepages by way of flavor attributes. Those attributes and the configuration of hugepages are described in this guide.
name: LUGE - learn grub menuentry initram to be used script: "{{ luge_script | default('/etc/ansible/files/learn-used-grub-entry.sh') }}" environment: LUGE_OUTPUT: initram changed_when: false register: luge_initram #. this one will fail if the file does not exist - name: LUGE...
Edit the /etc/default/grub file by appending apparmor=1 security=apparmor to the GRUB_CMDLINE_LINUX_DEFAULT variable. Execute update-grub(8) as the root user: sudo update-grub . This will rewrite your /boot/grub/grub.cfg file so that, when GRUB loads, it will include the AppArmor kernel command line parameters as part of the boot menu entries.
Jun 03, 2020 · GRUB_CMDLINE_LINUX=”novga console=ttyS0,9600 panic=1 numa=off crashkernel=auto rd.lvm.lv=system/root rd.lvm.lv=system/swap noht biosdevname=0 net.ifnames=0 rhgb quiet console=tty0 Regenrate grub2.cfg file using below command
Dec 15, 2015 · amazon-ec2 amazon-web-services ansible apache-2.2 apache-2.4 bash centos centos6 centos7 configuration debian docker domain-name-system email email-server fedora firewall http ip iptables ipv6 kvm-virtualization linux linux-networking mysql networking nginx php php-fpm postfix redhat redirect rhel7 rpm security selinux smtp ssh ssl systemd ...
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I found, that editing /etc/default/grub and changing GRUB_CMDLINE_LINUX="" to GRUB_CMDLINE_LINUX="net.ifnames=0" is the solution of the problem (then sudo update-grub). But there is no grub. Armbian uses u-boot AIK. How to pass a cmdline to linux using u-boot?^GRUB_CMDLINE_LINUX_DEFAULT.* : a REGular EXPression that matches on the line(s) starting ^ with GRUB_CMDLINE_LINUX_DEFAULT and any number of characters after that string: .* & fastboot : the REPLACEMENT string where the unescaped & character references the whole matched portion...
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GRUB_CMDLINE_LINUX_DEFAULT contains duplicate options. Bug #1291434 reported by Joey Stanford on 2014-03-12. Instead of this: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash elevator=deadline nomdmonddf nomdmonisw" It wanted to install this...Sep 20, 2019 · Configure GRUB_CMDLINE_LINUX – For Openstack usage. If you plan on exporting template to Openstack Glance image service, edit the /etc/default/grub file and configure the GRUB_CMDLINE_LINUX option. Your line should look like below – remove rhgb quiet and add console=tty0 console=ttyS0,115200n8. Install Ansible Engine on Red Hat Enterprise Linux 7 with any of the following methods: If you have a Red Hat Ansible Engine Subscription, subscribe the system and enable the Ansible Engine repository rhel-7-server-ansible-2.4-rpms.
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# line 6: add GRUB_CMDLINE_LINUX="ipv6.disable=1 rd.lvm.lv=fedora-server/root..... Apply changing # grub2-mkconfig -o /boot/grub2/grub.cfg # systemctl reboot. Use network interfaces name like ethX # vi /etc/default/grub # line 6: add GRUB_CMDLINE_LINUX="net.ifnames=0 rd.lvm.lv=fedora/swap rd.md=0..... Apply changing
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Ansible als pssh Ersatz. Auch wenn ich ansible nicht so nutze wie die Meisten (nämlich als full-blown Config Management) so ist es doch extrem handlich. Zum Beispiel einen User auf allen Servern der Gruppe “work” löschen. ansible work -m user -a 'name=alice state=absent remove=yes' Wie oben im Beispiel alle MongoDB Prozesse neustarten Apr 19, 2019 · Download the ansible.tar.gz to local, and transfer them into the centos offline machines, install ansible via: # tar xzvf ansible.tar.gz # cd ansible # pip install --no-index --find-links . ansible # which ansible /usr/bin/ansible # ansible --version ansible 2.7.10 Also you have to download the jinja2, upgrade to 2.10.1 version:
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Sep 22, 2015 · 1. Grub Configurations GRUB is configured using ‘grub.cfg’, usually located under ‘/boot/grub’. This file is quite flexible, but most users will not need to write the whole thing by hand. 1.1 Simple configuration handling The program ‘grub2-mkconfig’ generates ‘grub.cfg’ upgrading a distribution, and will discover available...
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If it is GRUB_CMDLINE_LINUX_DEFAULT="text" change to GRUB_CMDLINE_LINUX_DEFAULT="text consoleblank=0". Finally, do sudo update-grub then reboot.Ansible provides a handy index to all their modules. Due to the large number provided, the documentation has separated them into specific categories to help you search through for the specific ones you So now let's have a look at some more modules and run them from the command line.- name: Enable the memory limit. lineinfile: path: /etc/default/grub backrefs: yes regexp: '^(GRUB_CMDLINE_LINUX_DEFAULT=")(.*)(".*)$' line: '\1\2 cgroup_enable=memory swapaccount=1\3' when: <String `cgroup_enable=memory swapaccount=1` is not present> (Note the last when line is not valid Ansible syntax. I put it there to show the idea.)
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The playbook is performing several tasks, that can be run together or independently: register a system on the Red Hat Network prepare the system to host mirrors create the specified mirrors schedule automatic updates of the mirrors How to use it? It is an Ansible playbook, so start by installing it, in any prefered format. ^GRUB_CMDLINE_LINUX_DEFAULT.* : a REGular EXPression that matches on the line(s) starting ^ with GRUB_CMDLINE_LINUX_DEFAULT and any number of characters after that string: .* & fastboot : the REPLACEMENT string where the unescaped & character references the whole matched portion...
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fedoraでkdumpを使おうと思ったら設定に無駄に時間を喰ってしまったのでめも。どこにハマったかというとfedora 20のカーネルだったら問題なくダンプが取れたけど自前でビルドしたカーネルだと上手くいかな買ったんですね。途中で止まるとかダンプが取れてないとかで。 環境はfedora 20のx86_64で ... A pesar de que aún falta mucho tiempo para el fin del soporte a largo término para Debian 7 Wheezy, muchas versiones de paquetes empiezan a quedar obsoletas y surge la necesidad de migrar a Debian 8 Jessie (luego a Devuan Jessie, una vez sea liberada la primera versión estable).
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If you’re using the shell module with Ansible and piping the output to another command, it might be a good idea to set pipefail. This way, if the first command fails, the whole task will fail. For example, let’s say we’re running this silly task to look for /tmp directory and then trim the string “tmp” from the result. Posts about grub written by bgstack15. With the major changes introduced in CentOS 7 from CentOS 6 (systemd, grub2, and more), determining exactly which grub menu entry will be used at next boot is a little more difficult than before. GRUB_CMDLINE_LINUX_DEFAULT contains duplicate options. Bug #1291434 reported by Joey Stanford on 2014-03-12. Instead of this: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash elevator=deadline nomdmonddf nomdmonisw" It wanted to install this...
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May 16, 2017 · This probably took me entirely too long to figure out so I figured I’d make a post on it to help anyone else trying to enable FIPS in AWS on CentOS boxes. FIPS mode If you’re trying to get FedRAMP certification this is something you’re going to need. FIPS 140-2 validated/compliant encryption is necessary for FedRAMP. If you don’t have FIPS 140-2 you will end up with high-findings on ... In Proxmox, it is possible to passthrough PCI devices directly into a VM. In this section, we will see how to configure and verify a PCI passthrough.
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