Hackfi – Page 2 – DevSecOps

Halim seed Benefits

Halim seeds are rich in iron, which can assist in managing iron-deficiency anemia.
They contain phytoestrogen, resembling estrogen hormone, which regulates menstruation, potentially aiding in managing menstrual issues.
High fiber content in Halim seeds may alleviate constipation.
The presence of vitamins, minerals, and antioxidants in Halim seeds may benefit skin health.
Arachidonic and linoleic acids found in Halim seeds may enhance brain function.

Seeds health benefits – Eat Daily

Seed	Benefits
Flax Seeds	Rich in omega-3 fatty acids, fiber, and lignans; supports heart health, aids digestion, may reduce cholesterol.
Chia Seeds	High in fiber, protein, omega-3s, and antioxidants; promotes hydration, aids weight loss, supports bone health.
Sesame Seeds	Good source of calcium, iron, magnesium, and healthy fats; supports bone health, may lower cholesterol levels.
Sunflower Seeds	Rich in vitamin E, magnesium, selenium, and protein; boosts heart health, supports skin health, aids in mood regulation.
Watermelon Seeds	Contains protein, healthy fats, vitamins, and minerals; supports heart health, aids digestion, may boost immunity.
Pumpkin Seeds	High in antioxidants, magnesium, zinc, and fiber; supports prostate health, boosts immunity, help sleep.
Halim Seeds	Rich in Iron, protein, fiber, vitamins, and minerals; aids digestion, promotes weight loss, supports heart health.

Haldi(Turmeric) Milk – Lifes Hack

250 ml of milk
1-3 gram of haldi(Turmeric)
1 gram ginger powder or Fresh ginger
0.25 gram of dal chini(Cinnamon)
Suger or honey as per taste
Kaali mirch 0.1 gram

Anti-inflammatory Properties: Turmeric and cinnamon contain compounds like curcumin and cinnamaldehyde, respectively, which have anti-inflammatory effects, reducing inflammation in the body.

Antioxidant Powerhouse: Both turmeric and cinnamon are rich in antioxidants, which help neutralize harmful free radicals, protecting cells from damage and reducing the risk of chronic diseases.

Enhanced Absorption: Black pepper contains piperine, a compound that enhances the absorption of curcumin from turmeric and other nutrients, maximizing their health benefits.

Improved Digestion: Cinnamon and black pepper can aid digestion by stimulating enzyme activity, promoting gut health, and alleviating digestive discomfort.

Blood Sugar Regulation: Cinnamon has been shown to help regulate blood sugar levels by improving insulin sensitivity, which may be beneficial for managing diabetes or preventing insulin resistance.

Heart Health Support: Turmeric and cinnamon have been associated with heart-protective effects, such as lowering cholesterol levels, reducing blood pressure, and improving overall cardiovascular health.

Potential Cancer Prevention: Some studies suggest that the compounds found in turmeric, cinnamon, and black pepper may have anti-cancer properties, inhibiting the growth and spread of cancer cells, though more research is needed in this area.

improving sleep quality: cinnamon

In Place Pod VerticalScaling in k8

Enable feature gate InPlacePodVerticalScaling

/etc/kubernetes/manifests/kube-apiserver.yaml

nginx.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  creationTimestamp: null
  labels:
    app: nginx
  name: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  strategy: {}
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx
        name: nginx
        resizePolicy:
        - resourceName: cpu
          restartPolicy: NotRequired
        - resourceName: memory
          restartPolicy: NotRequired
        resources:
          limits:
            memory: "100Mi"
            cpu: "100m"
          requests:
            memory: "100Mi"
            cpu: "100m"

patch.yml [only applied to pod]

kubectl patch pod nginx-94675f6cf-9bxzj --patch '{"spec":{"containers":[{"name":"nginx", "resources":{"requests":{"cpu":"200m"}, "limits":{"cpu":"200m"}}}]}}'

Open Wipro 10A smart plug – DSP1100

It’s hard to open. It was broke so i opened it.

Run ipfs server with docker

mkdir /root/ipfs

docker run -d  \
-v /root/ipfs:/export \
-v /root/ipfs:/data/ipfs \
-p 192.168.0.189:4001:4001 -p 192.168.0.189:4001:4001/udp -p 192.168.0.189:8080:8080 -p 192.168.0.189:5001:5001 \
ipfs/kubo:latest

stop and start ipfs container

boot order – Raspbery pi

Edit boot order(read from right to left)

rpi-eeprom-config -e

Value	Mode	Description
0x0	SD CARD DETECT	Try SD then wait for card-detect to indicate that the card has changed – deprecated now that 0xf (RESTART) is available.
0x1	SD CARD	SD card (or eMMC on Compute Module 4).
0x2	NETWORK	Network boot – See Network boot server tutorial
0x3	RPIBOOT	RPIBOOT – See usbboot
0x4	USB-MSD	USB mass storage boot – See USB mass storage boot
0x5	BCM-USB-MSD	USB 2.0 boot from USB Type C socket (CM4: USB type A socket on CM4IO board). Not available on Raspberry Pi 5.
0x6	NVME	CM4 and Pi 5 only: boot from an NVMe SSD connected to the PCIe interface. See NVMe boot for more details.
0x7	HTTP	HTTP boot over ethernet. See HTTP boot for more details.
0xe	STOP	Stop and display error pattern. A power cycle is required to exit this state.
0xf	RESTART	Restart from the first boot-mode in the BOOT_ORDER field i.e. loop

boot order: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#BOOT_ORDER

Rabbitmq shovel – sync/move queue message

Export the queue definition and Import into destination rabbitmq

Enable Shovel plugin by running these command inside container

rabbitmq-plugins enable rabbitmq_shovel
rabbitmq-plugins enable rabbitmq_shovel_management

Admin > Shovel Management

Source : amqp://user:[email protected]:5672

Note: Source should not include / at the end.

Destination: amqp://
queue: k1

Error:

2023-11-09 15:24:08.911950+00:00 [error] <0.7052.0>                {child_type,worker}]
2023-11-09 15:24:08.928523+00:00 [error] <0.7502.0> Shovel 's2' failed to connect (URI: amqp://rabbitmqcluster-prod.test/): access to target virtual host was refused
2023-11-09 15:24:08.928734+00:00 [error] <0.7502.0> Shovel 's2' has no more URIs to try for connection
2023-11-09 15:24:08.929101+00:00 [error] <0.7502.0> Shovel 's2' could not connect to source

References:

https://nilay-tiw.medium.com/rabbit-mq-disaster-recovery-dr-strategy-25ed48455f7d

rancher desktop – libraries: libbz2.so.1.0: cannot open shared object

look for libbz2.so.1 file on your system

sudo find / -name libbz2.so.1

list the file to get the correct version

[root@fedora]# ls /usr/lib64/libbz2.so.1.0
libbz2.so.1.0    libbz2.so.1.0.8

create symlink

ln -s /usr/lib64/libbz2.so.1.0.8 /usr/lib64/libbz2.so.1.0

Error on fedora:

libraries: libbz2.so.1.0: cannot open shared object file: No such file or directory\\n\”: exit status 127″\n’

Minio s3 compatible object storage

setenforce 0

mkdir -p ~/minio/data

podman run \
   -p 9000:9000 \
   -p 9090:9090 \
   -v ~/minio/data:/data \
   -e "MINIO_ROOT_USER=ROOTNAME" \
   -e "MINIO_ROOT_PASSWORD=CHANGEME123" \
   quay.io/minio/minio server /data --console-address ":9090"

https://min.io/docs/minio/container/index.html