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Brouillon Pb ksplice mise a jour kernel à chaud

Ça n'a pas marché sur ma Debian

Voir :

Voir aussi :

  • kexec-tools.
    • kexec est une fonctionnalité du noyau Linux qui permet de charger un noyau Linux (le même ou une version différente) et de redémarrer le système directement dessus sans avoir besoin de redémarrer complètement la machine.
$ uname -a
Linux portable 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u6 (2015-11-09) x86_64 GNU/Linux
apt-get install linux-source-3.16 
apt-get install ksplice
mkdir src
cd src
tar xf /usr/src/linux-source-3.16.tar.xz
mkdir linux-source-3.16/ksplice
cp /boot/System.map-3.16.0-4-amd64 linux-source-3.16/ksplice/System.map
cp /boot/config-3.16.0-4-amd64 linux-source-3.16/.config
$ export CONCURRENCY_LEVEL=4
$ ksplice-create --diffext=new linux-source-3.16/
cc1: some warnings being treated as errors
scripts/Makefile.build:257: recipe for target '/tmp/ksplice-tmp-G_Ex2i/kmodsrc/ksplice.o' failed
make[1]: *** [/tmp/ksplice-tmp-G_Ex2i/kmodsrc/ksplice.o] Error 1
Makefile:1352: recipe for target '_module_/tmp/ksplice-tmp-G_Ex2i/kmodsrc' failed
make: *** [_module_/tmp/ksplice-tmp-G_Ex2i/kmodsrc] Error 2
make: Leaving directory '/home/jean/src/linux-3.16/linux-source-3.16'
Child exited with status 2
Failed during: make -rR -j4 -C /home/jean/src/linux-3.16/linux-source-3.16 M=/tmp/ksplice-tmp-G_Ex2i/kmodsrc KSPLICE_KID=nn7ysgvd KSPLICE_VE
2025/03/24 15:06

Cloud - Terrafom / OpenTofu

Notes

Terraform n'est plus un Logiciel Libre. Le Fork libre s'appelle OpenTofu

Install

snap install --classic opentofu
terraform fmt
terraform validate
terraform plan -out plan01
terraform apply "plan01"

Pb

EBS volumes destroyed & recreated - Keep EBS without create new topology ?
Erreur : VPCIdNotSpecified: No default VPC for this user status code: 40

example.tf

provider "aws" {
  profile    = "default"
  region     = "eu-west-1"
}

resource "aws_instance" "example" {
  ami           = "ami-01b282b0f06ba5fd2"
  instance_type = "t2.micro"
  tags = {
    Name = "Test-JBL-tf1"
  }

}
terraform apply

Erreur

Error: Error launching source instance: VPCIdNotSpecified: No default VPC for this user
        status code: 400, request id: c83af246-9715-4d82-a47d-d08a7941c7f6
Solution

example.tf

provider "aws" {
  profile    = "default"
  region     = "eu-west-1"
}

resource "aws_instance" "example" {
  ami           = "ami-01b282b0f06ba5f32"
  instance_type = "t2.micro"
  vpc_security_group_ids = ["sg-08bc01c0ececbc84f"]
  subnet_id     = "subnet-0d63fcd2f893bbb5b"
  tags = {
    Name = "par-web-01"
  }

}
Erreur : No suitable endpoint could be found in the service
terraform apply
│ Error: Error creating OpenStack compute client: No suitable endpoint could be found in the service catalog.
│ 
│   with openstack_compute_keypair_v2.test_keypair,
│   on 10_test.tf line 2, in resource "openstack_compute_keypair_v2" "test_keypair":
│    2: resource "openstack_compute_keypair_v2" "test_keypair" {

Lister le catalogue ici

openstack catalog list

Mettre la région appropriée

Autres

SFTP TO S3 - AWS Storage Gateway

Voir :


resource "aws_storagegateway_gateway" "example" {
  #gateway_ip_address = "1.2.3.4"
  #activation_key     = ""
  gateway_name       = "example"
  gateway_timezone   = "GMT"
  gateway_type       = "FILE_S3"
  smb_guest_password = "pass"
}

resource "aws_storagegateway_smb_file_share" "example" {
  authentication = "GuestAccess"
  gateway_arn    = "${aws_storagegateway_gateway.example.arn}"
  location_arn   = "${aws_s3_bucket.example.arn}"
  role_arn       = "${aws_iam_role.example.arn}"
}

Autres

~/.terraforrc

export TF_LOG=1
terraform plan ${VARS} -out="./${ENV}.tfplan" -input=false
terraform apply -input=false ${ENV}.tfplan
2025/03/24 15:06

Pb isolinux.bin missing or corrupt sur Dell PowerEdge 1950

Pb

Isolinux.bin missing or corrupt

Solution

Allez dans le BIOS.

Changer USB Flash Drive Emulation Type et passer de auto à hard drive

Après pour le boot, la clef USB n'est plus affichée dans le menu. La clef USB est à présent considérée comme un disque dur (/dev/sdb dans mon cas)

Pour booter sur la clef USB :

F11 Boot Menu\ puis Hard Drive C:\ et Front USB

2025/03/24 15:06

Pb install Java dans Docker zombie charge CPU

Liens :

$ ps -ef |grep java
root      2194   753 43 09:46 ?        00:06:33 [java] <defunct>
root      3165   753 29 09:49 ?        00:03:30 [java] <defunct>
root      3219   753 26 09:51 ?        00:02:44 [java] <defunct>
root      4143   753 24 09:53 ?        00:01:59 [java] <defunct>
$ dpkg -l | grep -v ^ii
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                         Version                   Architecture Description
+++-============================-=========================-============-===============================================================================
iF  ca-certificates-java         20140324                  all          Common CA certificates (JKS keystore)
2025/03/24 15:06
blog.txt · Dernière modification : de 127.0.0.1

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