Delete and Dispose of Files Properly in Ubuntu With Shred
This article covers how to delete files and folders in Ubuntu Linux system. In fact, Your files can be recovered and leaked with the help of data recovery software.
List Services on Ubuntu 20.04 - All about it ?
This article covers how to list all services by using the systemctl command on Ubuntu 20.04. In fact, systemctl is a command-line utility that is used for controlling systemd and managing services, which is part of systemd.
The syntax is the rule and format of how the systemctl command can be used.
These syntax options can be reordered, but a straight format must be followed:
systemctl [OPTIONS.] {COMMAND} - COMMAND: Replace COMMAND.. with the name of the command service names.
- -t –type=TYPE, –state=STATE: Use the -t or –type or –state=STATE to list units of a particular type of service state: Active, Inactive.
- -a –all: Use the -a or –all to show all properties/all units currently in memory, including dead/empty ones. To list all units installed on the system, use the 'list-unit-files' command instead.
- -r –recursive: Use the -r or –recursive to show unit list of host and local containers.
- –help: Display a help message and exit.
Install PostgreSQL on Ubuntu 20.04 - Step by step guide ?
This article covers how to install PostgreSQL on your Ubuntu 20.04 LTS machine. In fact, PostgreSQL, or Postgres, is a relational database management system that provides an implementation of the SQL querying language. It's standards-compliant and has many advanced features like reliable transactions and concurrency without read locks.
Service commands for PostgreSQL
The PostgreSQL database server runs as a service under the name "postgresql". You can manage the service by running the commands below.
1. Stop PostgreSQL server:
$ sudo systemctl stop postgresql2. Start PostgreSQL server:
$ sudo systemctl start postgresql3. Restart PostgreSQL(e.g. after changing configuration settings) server:
$ sudo systemctl restart postgresql4. Reload PostgreSQL server:
$ sudo systemctl reload postgresql5. Check PostgreSQL status:
$ sudo systemctl status postgresql
Install Teleport on Ubuntu 20.04 - Step by step guide ?
This article covers how to install the teleport on Ubuntu 20.04 server and add the new node. In fact, Running the commands on the added server through the WEB UI of teleport is easy to do.
How to uninstall teleport from Ubuntu ?
To uninstall just teleport package itself from Ubuntu execute on terminal:
$ sudo apt-get remove teleport
Install Psensor Temperature Monitoring Application on Ubuntu 20.04 - Step by step guide ?
This article covers how to install the Psensor Temperature Monitoring Application on the Ubuntu machine through the command line and graphically.
psensor can monitor:
- the temperature of the motherboard and CPU sensors (using lm-sensors).
- the temperature of the NVidia GPUs (using XNVCtrl).
- the temperature of the Hard Disk Drives (using hddtemp or atasmart lib).
- the rotation speed of the fans (using lm-sensors).
- the sensors of a remote computer (using psensor-server).
How to Install psensor Using apt on Ubuntu Linux system ?
Update apt database with apt using the following command:
$ sudo apt updateAfter updating apt database, We can install psensor using apt by running the following command:
$ sudo apt -y install psensor
Install gLabels Publisher on Ubuntu 20.04 LTS - Step by step guide ?
This article covers how to install gLabels which is a unique desktop publishing for label designing. In fact, gLabels is designed to work with various laser/ink-jet peel-off label and business card sheets that you'll find at most office supply stores. gLabels also supports mail merge from sources such as CSV files, vCards and Evolution data servers.
How to Install glabels on Ubuntu Using apt ?
Update apt database with apt using the following command:
$ sudo apt updateAfter updating apt database, We can install glabels using apt by running the following command:
$ sudo apt -y install glabels
