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Elasticsearch add datanode to existing cluster

Posted on 30.11.2017 (30.11.2017) by human

Elasticsearch add datanode to existing cluster I have cluster with elasticnode1 — master-node elasticnode2 — datanode elasticnode3 — datanode elasticnode4 — datanode I want add new node elasticnode4 — datanode Setup same version on elasticnode5 — i setup elasticsearch.5.6.3

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.3.deb

1	wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.3.deb

Add node to config on all nodes

nano /etc/elasticsearch/elasticsearch.yml

1	nano /etc/elasticsearch/elasticsearch.yml

discovery.zen.ping.unicast.hosts: ["elasticnode1", "elasticnode2", "elasticnode3", "elasticnode4", "elasticnode5"]

1	discovery.zen.ping.unicast.hosts: ["elasticnode1", "elasticnode2", "elasticnode3", "elasticnode4", "elasticnode5"]

Start cluster rebalancing by put query […]

Parted — утилита для работы с дисками linux

Posted on 19.11.2017 (19.11.2017) by human

Parted — утилита для работы с дисками linux Создаем раздел на sdc и форматируем в ext4 все 100% места в non-interactive mode

parted -a optimal -s /dev/sdc mklabel msdos mkpart  primary ext4 0% 100%

1	parted -a optimal -s /dev/sdc mklabel msdos mkpart primary ext4 0% 100%

[…]

Install mkisofs on debian

Posted on 17.11.2017 by human

Install mkisofs on debian Mkisofs was replaced by packet genisoimage

sudo apt-get install -y genisoimage

1	sudo apt-get install -y genisoimage

And make symbolic link

sudo ln -s /usr/bin/genisoimage /usr/bin/mkisofs

1	sudo ln -s /usr/bin/genisoimage /usr/bin/mkisofs

Profit!!! […]

Nginx rewrite if file not found

Posted on 10.11.2017 (10.11.2017) by human

Nginx rewrite if file not found Если картинка не найдена в текущем локации — реврайт на запасную

        location /pictures {
            root /var/hosting/;
            autoindex_exact_size off;
            autoindex off;
            try_files $uri @pictures2 ;
        }
        location /pictures2 {
            root /var/hosting/;
            autoindex_exact_size off;
            autoindex off;
        }
        location @pictures2 {
        rewrite ^/pictures/(.*) https://itc-life.ru/pictures2/$1 break;
        }

location /pictures {

root /var/hosting/;

autoindex_exact_size off;

autoindex off;

try_files $uri @pictures2 ;

}

location /pictures2 {

root /var/hosting/;

autoindex_exact_size off;

autoindex off;

}

location @pictures2 {

rewrite ^/pictures/(.*) https://itc-life.ru/pictures2/$1 break;

}

[…]