linuxlove

Sunday, July 18, 2021

Linux

Create LVM | Phycial Volume | Volume Group | Logical Volume | Format Logical Volume |Mount the Logical Volume (LVM)

techsolution July 18, 2021

How to create LVM Step1 : [root@dev ~]# fdisk /dev/sdb ( Create partition) Welcome to fdisk (util-lin...

Linux

Create Partition and Mount | Temporary mount | Fuser command used | Creating a Swap Partition

techsolution July 18, 2021

HOW TO CREATE PARTITION AND MOUNT (FILE SYSTEM) [root@dev ~]# fdisk /dev/sdb Welcome to fdisk (util-linux 2.23.2). Changes will remain i...

Linux

Root user | Create User | Group | Userdel | usermod | useradd | etc/passwd" | /etc/shadow | gpasswd | password aging policies

techsolution July 18, 2021

Linux there are three types of users. 1. Super user or root user Super user or the root user is the most powerful user. He is the administra...

Shell Script

Write shell script for tomcat down it will up automatically again

techsolution June 08, 2021

#!/bin/bash cd /home/skymet/apache-tomcat-8.5.43/bin/ sh shutdown.sh ##################Kill_running_id################# javaID=$(ps -ef | n...

Shell Script

Part-23 Postgres dump shell script

techsolution June 08, 2021

We have write shell script for take backup postgres dump #!/bin/bash CURD=$(date +"%d%m%Y") #/usr/bin/pg_dump --host 192.168.XX....

mongodb

Install mongo shell

techsolution June 08, 2021

If you want to install mongo database in Server vim mongo_install.sh !/usr/bin/env bash # run this script from your home folder # sudo bash...

postgres

Part-24 pg_dump

techsolution June 07, 2021

How to create PostgreSQL dump file pg_dump database_name > database.sql or: pg_dump database_name -f database.sql pg_dump -U postgres...

postgres

Part-25 BACKUP | RESTORE FULL DATABASE | BACKUP SINGLE TABLE

techsolution March 01, 2021

Database backup in postgres [root@swims-testdb62 ~]# pg_dump -h 192.168.105.62 -U postgres test_db > /root/test_db.sql Single table ba...

Sunday, February 28, 2021

webserver

Step by Step install or configure Tomcat Apache Webserver in linux

techsolution February 28, 2021

Step 1: yum install tomcat tomcat-webapps.noarch tomcat-admin-webapps.noarch Step 2: vim /usr/share/tomcat/conf/tomcat-users.xml Step 3: Edi...

webserver

Apache Web Server configure and host multiple at port 8080 8081

techsolution February 28, 2021

I want to configure Application Web server so I will choose Apache webserver for host my website. So scenario is application is run at Po...

postgres

CREATE USER | ROLES | PERMISSION GRANT| PRIVILEGES ON DATABASE

techsolution February 13, 2021

Connect postgres admin [root@dev ~]# su - postgres Last login: Sat Feb 13 10:37:11 IST 2021 on pts/1 -bash-4.2$ psql psql (9.2.24) Type ...

Error: couldn't connect to server 192.168.105.54:27017, connection attempt failed: SocketException: Error connecting to ..**:27017 :: caused by :: No route to host : connect@src/mongo/shell/mongo.js:

techsolution February 07, 2021

[root@dev ~]# mongo -u "client_read" -p 123 192.168.105.54/admin Error: couldn't connect to server 192.168.105.54:27017, co...

mongodb

How to Change data mongo data path :

techsolution February 01, 2021

[root@dev test_DB]# systemctl stop mongod #####Copy mongo directory to new directory ########## [root@dev test_DB]# mkdir /home/data [ro...

mongodb

How to Installation of MongoDB on CentOS 7

techsolution February 01, 2021

Step 1 – Adding the MongoDB Repository # vi /etc/yum.repos.d/mongodb-org.repo [mongodb-org-3.4] name=MongoDB Repository baseurl=https://repo...

Saturday, January 30, 2021

postgres

Part-26 POSTGRES INSTALL | PORT | VERSION | ALTER USER | ALLOW CLIENT NETWORK | ACCESS REMOTELY DATABASE

techsolution January 30, 2021

Postgresql is default port 5432/tcp 1: Disable Old version using yum [root@dev ~]# yum-config-manager --disable pgdg10 pgdg94 pgdg95 pgdg...

How to alter column before or after in mysql table

techsolution January 24, 2021

How to add new column in table I have table Student .There is three column Name Class Phone_No .Now I want to add new column ID before Na...

mysql

How to add primary or unique and foreign key in mysql

techsolution January 24, 2021

1. Primary Key : #insert uniqe value CREATE TABLE STATION (ID INT ,STATION_NAME varchar(11),DATA_DATE DATETIME,PRIMARY KEY (ID)); #uniqe v...

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