https://www.geeksforgeeks.org/find-command-in-linux-with-examples/
find ./GFG -name sample.txt
Tuesday, October 5, 2021
Kubectl : Copy from Host to Kubectl POD - Logs Kubernetes Tail
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB0383441
docker cp <src-path> <container>:<dest-path>
kubectl cp <src-path> <your-pod-name>:<dest-path>
kubectl cp /data/ids_runtime_docker/DB_Script/IDS_Extraction_Application_Form_CS.tar mongodb-0:/tmp
https://zoomadmin.com/HowToInstall/UbuntuPackage/less
sudo apt-get install -y less
https://kubernetes.io/docs/reference/kubectl/cheatsheet/
kubectl logs my-pod -f
Tuesday, September 28, 2021
Ubuntu : Debian : update vs upgrade vs list –upgradable
https://linuxsecurity.com/features/how-to-install-security-updates-in-ubuntu-debian
The commands we shall cover pertaining to this topic are:
- apt update: This command only fetches the information on latest packages that can be upgraded. Note that it does not actually upgrade any packages on the system, only refreshes the index local to the system. This package information is obtained from standard official sources and then stored locally on the system. If ever you need to check from which sources the package information gets picked, you will see it in under /etc/apt/sources.list on the system.
- apt list –upgradable: This command will then display the packages that have updates available and therefore can be upgraded on the system. This information is based on the information fetched previously from the update command
- apt upgrade: This is the actual command that does the upgrade of the packages in the system. Once executed, the OS will be successfully upgraded. Note that this command can install new packages if the dependencies require it, but it will never remove packages.
- apt full-upgrade: This command does a little more than what the upgrade command does. In addition to upgrading new packages and installing new packages as required, it also removes existing installed packages if it determines that the dependencies are no longer required. Use this option with caution as it can cause unexpected system behavior if your application is dependent on a specific version of the package.
- apt autoremove: This command is used to remove unused packages which are no longer needed by the dependent packages. This can be executed after apt upgrade
Monday, September 27, 2021
Linux: SSHD Configure SSH Timeout on Server Side
https://www.tecmint.com/increase-ssh-connection-timeout/
/etc/ssh/sshd_config
The timeout value is given by the product of the above parameters i.e.
For example, let’s say you have defined your parameters as shown:
Saturday, September 25, 2021
Friday, September 24, 2021
Linux: Disk Handling Tool: Linux Disk Commands
lsblk -i
lsblk -f
df -Th
du -sh * |sort -h
mount /dev/sda /data [Manual]
mkfs.xfs /dev/sda
mkfs.ext4 /dev/sdb
edit FSTAB
/dev/sda /data ext4 defaults,nofail 0 0
mount -a
umount /dev/dsx
--------------------------------------------
DONT' UMount if its root disk
sudo parted /dev/sda
print
resizepart
resize2fs /dev/sda1
-------------------------------------------
Azure:Disk Resize Disk Size - Azure
----------------------------------------------------------------------------------------------------------------------------------
Create a Snapshot
Make a Disk out of Snapshot (Preferably Premium)
Execute These Steps after RESIZE on azure.portal
[Stop Vm, Resize, Stop VM, Execute Below Steps]
DONT' UMount if its root disk
sudo parted /dev/sda
print
resizepart
resize2fs /dev/sda1
----------------------------------------------------------------------------------------------------------------------------------
lsblk -i
lsblk -f
df -Th
du -sh * |sort -h
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