Rahul Sahu

To install Vim editor on FreeBSD without X11 GUI, you can use the pkg package manager. Here’s how to do it: Open a terminal or connect to your FreeBSD system via SSH. Update the pkg package repository by running the following command: sudo pkg update Install Vim editor by running the following command: sudo pkg … Read more

To delete a column from a MySQL table, you can use the ALTER TABLE statement with the DROP COLUMN clause. Here’s the basic syntax: ALTER TABLE table_name DROP COLUMN column_name; Replace table_name with the name of the table from which you want to delete the column, and replace column_name with the name of the column … Read more

The Dell PowerEdge S100 and S300 are software-based RAID controllers that are designed to work with the Linux operating system. These controllers use the dmraid driver to manage the RAID arrays. To install the dmraid driver, follow these steps: Make sure that the dmraid package is installed on your system. You can install it by … Read more

The message “There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them” is displayed by the yum package manager when a previous package installation, update, or removal was interrupted, and some transactions were not completed. To resolve this issue, you can follow these steps: Run the following command to check if … Read more

To find the FC ID (WWN) of a disk/LUN on a Linux system, follow these steps: Install the lsscsi command if it is not already installed. This command can be used to list SCSI devices, including Fibre Channel (FC) disks and LUNs. sudo yum install lsscsi On Debian/Ubuntu systems, you can install it using sudo … Read more

To configure IPv6 networking on Red Hat or CentOS, follow these steps: Open the network configuration file for editing: sudo vi /etc/sysconfig/network-scripts/ifcfg-<interface-name> Replace <interface-name> with the name of the network interface you want to configure. For example, if you want to configure the eth0 interface, the command would be: sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0 Add the following … Read more

To unblock or delete an IP address listed in the iptables tables, follow these steps: Check the iptables rules for the IP address you want to unblock by running the following command: sudo iptables -L -n –line-numbers This will display a list of all iptables rules, along with their line numbers. Look for the rule … Read more

The pdfinfo command can be used in a UNIX / Linux shell prompt to display various information about a PDF file. Here are the steps to use pdfinfo: Open a terminal window and navigate to the directory containing the PDF file you want to inspect. Run the following command, replacing “filename.pdf” with the name of … Read more

To add an IPv6 network alias to a Red Hat or CentOS server, allowing multiple IPv6 addresses to be assigned to the same NIC (Network Interface Card), you can use the ip command. Here are the steps: Determine the name of the network interface to which you want to add the IPv6 address. You can … Read more

To mount a NAS (Network-Attached Storage) device via SMB/CIFS in FreeBSD, you can use the mount_smbfs command. Here are the steps: Install the Samba client software if it is not already installed: pkg install net/samba44 Create a mount point for the NAS share: mkdir /mnt/nas Mount the NAS share using the mount_smbfs command, specifying the … Read more