linux_aria

My file bash, and configurate for linux

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swap

recomended

- < 2gb => 2 x amount of ram
- 2gb - 8gb => sama kaya ram yang digunakan
- 8gb - 64gb => at least 4gb
- > 64gb => at least 4gb

• untuk swap sendiri tidak semua nya harus dipakai
  • beberapa seperti kubernetes tidak boleh menggunakan swap

swap partition

• swap yang menggunakan partition

command

free -h
blkid

fdisk

# create partition
fdisk /dev/vdb

n
- p,default,default
p
# (default 83)

### change id 
t => type change
- l => list
-- swap is 82
- 82

### format with mkswap
partprobe # ketika partitionya gak muncul setelah di create
mkswap /dev/vdb1
```bash

## add swap partition
### temporery
- swapon /dev/vdb1

### persistance
- vi /etc/fstab
  ```bash
  /dev/sdc2               swap                    swap    defaults        0 0

remove swap

swapoff /dev/sdc2
# dont forget remove the /etc/fstab

file

• swap partition by file

mkswap

mkswap /dev/sdb1
swapon /dev/sdb1

swapoff /dev/sdb1

command

dd if=/dev/zero of=/swapfile bs=1024 count=65536
mkswap /swapfile
chmod 0600 /swapfile

swapon /swapfile
### OR
vi /etc/fstab
######
/swapfile none swap defaults 0 0
or
/swapfile swap swap defaults 0 0

free -h
lsblk
######

• dd => create file
• if => input
• of => output
• bs =>
• count => ukuran