Подробности

Автор: Kirill

{ "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Action": "s3:*", "Resource": [ "arn:aws:s3:::mybucket/toto3/*" ] }, { "Effect": "Allow", "Action": [ "s3:ListAllMyBuckets", "s3:GetBucketLocation" ], "Resource": "arn:aws:s3:::*" }, { "Effect": "Allow", "Action": "s3:ListBucket", "Resource": "arn:aws:s3:::mybucket", "Condition": { "StringLike": { "s3:prefix": [ "", "toto3/", "toto3*" ] } } } ] }

https://stackoverflow.com/questions/35944349/iam-aws-s3-to-restrict-to-a-specific-sub-folder

Подробности

Автор: Kirill

compress

compresscmd xz

compressoptions -9

---------------

 compress manually:

--verbose  show progress

 To reduce system load:

/etc/cron.daily/logrotate from:

    /usr/sbin/logrotate /etc/logrotate.conf

to:

    nice -n 19 ionice -c3 /usr/sbin/logrotate /etc/logrotate.conf

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652600

 

Подробности

Автор: Kirill

• bash
• graphite
• awk

#!/bin/sh

#set -x
required_free_percentage=93

percent_free=`df -h | grep /dev/mapper/data-graphite | awk '{print $5}' | sed 's/%//'`

echo ${percent_free}

i=365

while [ ${percent_free} -gt ${required_free_percentage} ]
do
#echo ${i}
find /var/lib/carbon/whisper/ -type f -mtime +${i}  | xargs -n1 -r rm
percent_free=`df -h | grep /dev/mapper/data-graphite | awk '{print $5}' | sed 's/%//'`
#echo ${percent_free}
i=$(( $i -1 ))
done

Подробности

Автор: Kirill

• ansible
• lvm

$ cat lvm-playbook.yml
---
 - hosts: all
   become: yes
   tasks:

   - name: Create Volume Group
     lvg:
       vg: "{{ vg_name }}"
       pvs: "{{ pvs }}"

   - name: Create Logical Volume
     lvol:
       vg: "{{ vg_name }}"
       lv: "{{ lv_name }}"
       size: "{{ lv_size }}"

  - name: Creafe File System
    filesystem:
      fstype: ext4
      dev: "/dev/{{ vg_name }}/{{ lv_name }}"

  - name: Mount Logical volume FS
    mount:
      name: "/{{ mount_name }}"
      src: "/dev/{{ vg_name }}/{{ lv_name }}"
      fstype: ext4
      state: mounted

 

$ cat inventory.ini
127.0.0.1:22222 ansible_user=gigauser pvs=/dev/sdb vg_name=vgname1 lv_name=lv_name1 lv_size=50M mount_name=vgmount

 

$ ansible-playbook -i inventory.ini lvm-playbook.yml --ask-become-pass