The following steps are used to generate the ssh key for easier github interaction.
# Generate the SSH key ssh-keygen -t rsa -b 4096 -C "email@example.com" # Add the private key using ssh-add ssh-add ~/.ssh/id_rsa # Now copy the public key and paste it into github cat ~/.ssh/id_rsa.pub
This will enable remote login, so that this machine can be managed remotely
# Install openssh-server if it is not installed. All actions done as root dnf install openssh-server # The following commands start and permanently enable the ssh daemon systemctl start sshd.service systemctl enable sshd.service
There is already a vim configuration file along with a sample theme and a tmux configuration file that can be found in the following location
Download from here and place into the correct location to enable a better vim experience alongwith a few tmux tweaks. The following should be installed as well
# All actions done as root dnf install tmux dnf install vim dnf install htop # Configuration of .bash_profile to enable tmux to start as tmux -2 # Add the following line to your .bash_profile file alias tmux='tmux -2'
Download and install TigerVNC and allow it through the firewall
# All actions done as root dnf install tigervnc-server # Allow it through the firewall firewall-cmd --add-service=vnc-server --permanent firewall-cmd --reload # Setup an initial password vncpasswd
This step is optional but it is better to have some sort of Editor
# Run the following commands to add the new repository list. All actions done as root rpm --import https://packages.microsoft.com/keys/microsoft.asc sh -c 'echo -e "[code]\nname=Visual Studio Code\nbaseurl= https://packages.microsoft.com/yumrepos/vscode\nenabled=1\ngpgcheck=1\ngpgkey= https://packages.microsoft.com/keys/microsoft.asc" > /etc/yum.repos.d/vscode.repo' # Install Visual Studio Code dnf install code
Install Postgres and Postgres Server. At the time of writing the repository from Fedora had Postgres 9.6 (Upgrading is not clear and needs to be tested on a VM)
# Get the latest RPM from yum.postgresql site rpm -Uvh <rpm file downloaded above> dnf install postgresql11-server postgresql11 /usr/pgsql-11/bin/postgresql-11-setup initdb # To change the password su - postgres \password # To change the settings to enable remote connections # Follow steps below to change pg_hba.conf and postgresql.conf # Enable the server systemctl enable postgresql systemctl start postgresql # This will generally give an error
During the enabling of the server, it may give an Error. Generally the error is caused because there is no initial database. The database is usually located at /var/lib/pgsql/data and needs to be initialized. The binary for initializing the database is located at /usr/bin/postgresql-setup --initdb
# This command is used to initialize the database postgresql-setup --initdb --unit postgresql # Follow this up with starting the server again systemctl start postgresql # Install pgadmin3 dnf intsall pgadmin3
After installing pgadmin3 we need to change the authentication method that is used by the postgresql server. For pgadmin3 we want to use the md5 method of authentication. Change the /var/lib/pgsql/data/pg_hba.conf file and change the authentication method on lines with IPv4 local connections and IPv6 local connections from ident to md5. Once this is done, we still need to set a password on the postgres user (who is created by default).
# Open the shell as the user postgres su - postgres # Best to do this as root # On the shell that opens, enter the command psql psql # Here set the password with the following command \password
Set the password and use it login from pgadmin3. Once logged in create a new user dbguy and set a password. Login to pgadmin3 using the newly created user (this is to ensure that we do not use a superuser to access the database)
To enable access from remote machines we need to modify the file pg_hba.conf and add the following lines to it (one for IPv4 and one for IPv6)
host all all 0.0.0.0/0 md5 host all all ::/0 md5
The file postgresql.conf in the same directory also needs to be modified
listen_addresses = 'localhost,<YOUR REMOTE IP>'
This file is just a small documentation for all the dnf commands that may be needed
# All repos are stored in the following folder /etc/yum.repos.d and to delete any # one of them, just go to that folder and delete the one that is not required. # This commands is used to display all the repos currently being used by dnf dnf repolist # To refresh the repolist call the previous command with --refresh flag dnf repolist --refresh # To view how many packages are installed dnf list --installed # To view all the packages inside a repo dnf repo-pkgs <PACKAGE> list
rsync -avz -m --info=progress2 --include="*/" --include="*.epub" --include="*.mobi" \ --include="*.pdf" --exclude="*" /home/rahul/qnap/humble/ /home/rahul/data/books