You can use the built-in datetime module in Python to get the current date and time. Here’s an example: from datetime import datetime current_time = datetime.now() print(“Current date and time: “, current_time) This will give you the current date and time in the format: YYYY-MM-DD HH:MM:SS.ssssss. (https://www.williamricedental.com/)

To change the passphrase of a GPG secret key, you can use the gpg –edit-key command followed by the key ID and then the passwd subcommand. The process will prompt you to enter the current passphrase and then to enter the new passphrase twice for confirmation. Here’s an example: gpg –edit-key [KEY_ID] gpg> passwd Enter … Read more

The “curl” command is commonly used to download files in the terminal on macOS. You can download a file by specifying its URL after the “curl” command, like this: curl https://example.com/file.txt -o file.txt This will download the file located at “https://example.com/file.txt” and save it locally as “file.txt”. Another option for downloading files on macOS terminal … Read more

To add a static route on CentOS, you can use the route command. The basic syntax for adding a static route is as follows: sudo route add -net [destination_network] netmask [mask] gw [gateway] dev [interface] For example, if you want to add a static route for the network 192.168.100.0/24 through gateway 192.168.0.1, you can use … Read more

You can update all packages on RHEL/CentOS using yum command, excluding the Linux kernel by using the following command: sudo yum update –exclude=kernel\* This will update all the packages except for the packages that start with “kernel”.

In Ubuntu, you can manage the iptables firewall service using the following commands: To check the status of the iptables firewall service: sudo service iptables status To stop the iptables firewall service: sudo service iptables stop To start the iptables firewall service: sudo service iptables start To restart the iptables firewall service: sudo service iptables … Read more

1 / 2 To display the contents of a .gz compressed text file on the screen in Unix or Linux, you can use the following command: zcat file.gz The zcat command decompresses the file and sends the output to the standard output, which is usually the screen. If you want to save the decompressed output … Read more

To install iftop on CentOS or Red Hat Enterprise Linux, you can use the following steps: Enable the EPEL repository: yum install epel-release Install iftop: yum install iftop Once installed, you can run iftop in the terminal to display bandwidth usage by host for each network interface on the system. (www.stocktargetadvisor.com)

To delete all pending comments in a WordPress database, you can run the following SQL statement using a database management tool like phpMyAdmin: DELETE FROM wp_comments WHERE comment_approved = ‘0’; Note: Replace “wp_” with your WordPress database table prefix if it is different.

To create a self-signed SSL certificate on Nginx for CentOS or Red Hat Enterprise Linux, you can use the OpenSSL tool. Here’s an example of how to do this: Install OpenSSL: # yum install openssl Create a directory to store the SSL certificate: # mkdir /etc/nginx/ssl Change to the directory: # cd /etc/nginx/ssl Generate the … Read more