[root@wordpress ~]# yum install httpd mariadb mariadb-server php php-common php-mysql php-gd php-xml php-mbstring php-mcrypt [root@wordpress ~]# mysql_secure_installation [root@wordpress ~]# systemctl start mariadb [root@wordpress ~]# systemctl enable mariadb [root@wordpress ~]# mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 10 Server version: 5.5.52-MariaDB … Continue reading WordPress hosting in centos-7

[root@ansible1 ~]# vim example I want to learn java. Learn java. Learn java java is the best java forever Replacing string [root@ansible1 ~]# sed 's/java/guava/' example.txt I want to learn guava. Learn java. Learn java guava is the best guava forever Replacing the nth occurrence of a pattern in a line [root@ansible1 ~]# sed 's/java/guava/2' … Continue reading sed cut awk

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[root@ansible1 ~]# sar -d Linux 3.10.0-514.6.1.el7.x86_64 (ansible1) Monday 13 February 2017 _x86_64_ (1 CPU) 09:10:02 UTC DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util 09:20:01 UTC dev8-0 0.30 0.33 3.66 13.36 0.00 14.01 2.31 0.07 Average: dev8-0 0.30 0.33 3.66 13.36 0.00 14.01 2.31 0.07 List block device information [root@ansible1 ~]# lsblk NAME MAJ:MIN … Continue reading List block device information

A beneficial part of nginx being a reverse proxy is that it fits into a large number of server setups, and can handle many things that other web servers simply aren't designed for.A popular question is "Why even bother with nginx when Apache httpd is available?" The answer lies in the way the two programs … Continue reading Directives and contexts

Nginx configuration files are simply sequences of directives that can take up to eight space-separated arguments, for example: gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript In the configuration file, the directives are delimited by a semicolon ( ; ) from one another. Some of the directives may have a block instead of a semicolon. … Continue reading Nginx core concepts

[mshaik@puppetdb ~]$ curl -X GET http://localhost:8080/v3/facts/swapsize --data-urlencode 'query=["=", "value", "0.00 MB"]' [ { "value" : "0.00 MB", "name" : "swapsize", "certname" : "elk.c.rich-operand-154505.internal" } ] [root@puppetdb ~]# curl -X GET http://localhost:8080/v3/facts/role/puppetdb [ { "value" : "puppetdb", "name" : "role", "certname" : "puppetdb.puppethub.in" } ] [root@puppetdb ~]# curl -X GET http://localhost:8080/v3/facts/role --data-urlencode 'query=["=", "value", "puppetdb"]' [ … Continue reading puppetdb query

[root@puppetdb ~]# sudo -u postgres psql postgres=# \l List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges -----------+----------+----------+---------+-------+----------------------- postgres | postgres | UTF8 | en_IN | en_IN | puppetdb | postgres | UTF8 | en_IN | en_IN | =T/postgres + | | | | | postgres=CTc/postgres+ | | | … Continue reading puppetdb(postgres)