This is somes personnals documentation build all long my career. You will find it only in the english version.
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Listener / Tnsname.ora 1# Check if listner is present 2ps -edf | grep lsn 3 4# Prompt Listner 5lsnrctl 6LSNRCTL> help 7The following operations are available 8An asterisk (*) denotes a modifier or extended command: 9 10start stop status services 11version reload save_config trace 12spawn quit exit set* 13show* 14...
Test locally a playbook 1ansible-pull -U https://github.com/MozeBaltyk/Okub.git ./playbooks/tasks/provision.yml Inside a cloud-init 1#cloud-config 2timezone: ${timezone} 3 4packages: 5 - qemu-guest-agent 6 - git 7 8package_update: true 9package_upgrade: true 10 11 12## Test 1 13ansible: 14 install_method: pip 15...
Inside a Shell script One line command: 1# Set the SID 2ORAENV_ASK=NO 3export ORACLE_SID=HANA 4. oraenv 5 6# Trigger oneline command 7echo -e "select inst_id, instance_name, host_name, database_status from gv\$instance;" | sqlplus -S / as sysdba In bash script: 1su - oracle -c ' 2export SQLPLUS="sqlplus -S / as...
Validate Terraform code 1dirs -c 2for DIR in $(find ./examples -type d); do 3 pushd $DIR 4 terraform init 5 terraform fmt -check 6 terraform validate 7 popd 8 done Execute Terraform 1export DO_PAT="dop_v1_xxxxxxxxxxxxxxxx" 2doctl auth init --context rkub 3 4# inside a dir with a tf file 5terraform init 6terraform...
A list of nice findings for Kubernetes List all images in Helm chart 1images=$(helm template -g $helm |yq -N '..|.image? | select(. == "*" and . != null)'|sort|uniq|grep ":"|egrep -v '*:[[:blank:]]' || echo "") upload images listed in an Helm chart 1load_helm_images(){ 2 # look in helm charts 3 for helm in $(ls...
The Basics awk is treat each line as a table, by default space are separators of columns. General syntax is awk 'search {action}' file_to_parse. 1# Give the value higher than 75000 in column $4 2df | awk '$4 > 75000' 3 4# Print the all line when column $4 is higher than 75000 5df | awk '$4 > 75000 {print $0}' But if...
Description Buildah: is used to build Open Container Initiative (OCI) format or Docker format container images without the need for a daemon. Podman: provides the ability to directly run container images without a daemon. Podman can pull container images from a container registry, if they are not available locally....
1# see images available on your hosts 2docker image list 3 4# equal to above 5docker images 6REPOSITORY TAG IMAGE ID CREATED SIZE 7httpd latest 6fa26f20557b 45 hours ago 164MB 8hello-world latest 75280d40a50b 4 months ago 1.69kB 9 10# give sha 11docker images --no-trunc=true 12 13# delete unused images 14docker rmi...
The Basics 1sed -e '…' -e '…' # Several execution 2sed -i # Replace in place 3sed -r # Play with REGEX 4 5# The most usefull 6sed -e '/^[ ]*#/d' -e '/^$/d' <fich.> # openfile without empty or commented lines 7sed 's/ -/\n -/g' # replace all "-" with new lines 8sed 's/my_match.*/ /g' # remove from the match till end of...
The Boot - starting process - BIOS est lancé automatiquement et détecte les périphs. - Charge la routine de démarrage depuis le MBR (Master Boot Record) - C'est le disk de boot et se trouve sur le premier secteur du disque dur. - Le MBR contient un loader qui charge le "second stage loader" c'est le "boot loader" qui...