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Red Hat Enterprise Linux

Red Hat Enterprise Linux is a popular Linux distribution used for a large number of web and application servers, as well as workstation computers.

157 Questions

How do you connect to the Internet in Linux?

ifconfig is he command common to all Linux distrobutions. In order to use it, you have to know in advance what your IP information should be. To set your ip address to 192.168.1.100, with a standard class C netmask you would do this:

ifconfig eth0 192.168.1.100

If you have a DHCP server installed in your network, or if your home router has a DHCP server, you should use a DHCP client to connect to the network. There are two common DHCP clients. dhclient, and dhcpcd. Their usage is mostly the same:

dhcpcd eth0

or

dhclient eth0

The methods described above will work on any distribution, but as you can see it requires you to manually type commands every time. You will have to check with your distrobution to get specific instructions, but most distributions have a 'network manager' that does that sort of thing for you.

In Ubuntu, you can just click on the network manager icon and select Wired Network or pick a wireless network. On Slackware, you can type netconfig at the command line and it will walk you through setup of a wired network. Setup of wireless networks in Slackware can be tricky if you don't have a network manager installed. The best thing to do would be to Google the name of your distribution and network or internet.

What is the relationship of IBM and REDHAT between GUI?

It is a very complex relationship that cannot be shared with the un-initiated. You must first learn to do search and replaces on arbitrary line ranges on files being edited within 'vi' before such secrets are shared.

How do you install RealPlayer 11 in Linux?

1. Open a terminal.

2. Navigate to the folder where you downloaded the RealPlayer installer.

3a. On Ubuntu and Ubuntu-based distros, enter "sudo chmod +x RealPlayer11Gold.bin"

3b. On most other distros, enter "su", and then "chmod +x RealPlayer11Gold.bin"

4. On Ubuntu / ubuntu-based, enter "sudo ./RealPlayer11Gold.bin". On most other distros, enter "./RealPlayer11Gold.bin."

you may also want to entertain the idea of using VLC media player as it is a very nice and verbose option for playing these and more types of files.

What is an inode number in Linux?

An inode is a data structure on a traditional Unix-style file system such as UFS or ext3. An inode stores basic information about a regular file, directory, or other file system object.

Each and every file under Linux (and UNIX) has following attributes:

* File type (executable, block special etc) * Permissions (read, write etc) * Owner * Group * File Size * File access, change and modification time * File deletion time * Number of links (soft/hard) * Access Control List (ACLs)

All the above information is stored in an inode.

So, each file has an inode associated with it and an unique number called inode number.

This number is used to look up an entry in the inode table.

How does one obtain Red Hat certification?

One can obtain a Red Hat certification at their official website called RedHat. Once you are at their website, you can take an exam, where if you pass, you will get a certificate.

What is the difference between red hat and blue hat gnomes?

one has a red hat and the other has a blue one.

AnswerAlso, blue hatted gnomes have more effective infravision as they are not loyal to Thay.

Gnomes in Thay? Heavens, what has Faerun come to?

What is the scope of redhat in Indian market?

Red Hat has a significant presence in the Indian market, driven by the increasing adoption of open-source technologies and cloud solutions among enterprises. The company offers a range of products, including Red Hat Enterprise Linux, OpenShift, and Ansible, which cater to the growing demand for digital transformation and automation in various industries. With a strong emphasis on local partnerships, training, and support, Red Hat is well positioned to capitalize on India's expanding tech ecosystem and the shift towards hybrid and multi-cloud environments. Additionally, its commitment to innovation aligns with the Indian government's push for digital initiatives.

How do you create a Samba server in Red Hat Enterprise Linux 5?

To create a Samba server in Red Hat Enterprise Linux 5, first, install the Samba package using the command yum install samba samba-client samba-common. Next, configure the Samba configuration file located at /etc/samba/smb.conf by defining the shared directories and access permissions. After editing the configuration, start the Samba services with service smb start and service nmb start, and ensure they are set to start on boot using chkconfig smb on and chkconfig nmb on. Finally, set up user access with smbpasswd -a username for any user you want to grant access to the Samba shares.

What are the specifications of a file server?

1GHZ - 2GHZ MHz processor (Intel Xeon Processor) 512 MB- 2 GBRAM memory 40- 120 gig IDE / SCSI Hot swappable disk drive 56k modem DVD Ram IDE drive 10-20 Backup Disks .net (2003)Operating System Battery Backup

What are the features of GNOME Configuration Tool?

Features:

1) Configure easily your network settings, including Hostname, domain, DNS, search domains and network interfaces configuration

2) This tool will let you easily share your folders through Samba or NFS

3) Manage easily the users and the permissions that they have in your computer

4) Manage time, date and timezone, or synchronize automatically your clock with internet time servers

5) Specify the services and daemons that start at boot time

Which runlevel is textual multi-user mode?

[Shutdown the system]

Runlevel 1: Single user mode

Runlevel 2: Basic multi user mode without NFS

Runlevel 3: Full multi user mode (text based)

Runlevel 4: Unused

Runlevel 5: Multi user mode with Graphical User Interface

Runlevel 6: Reboot System

Runlevel 3 is the answer.

What video formats are supported by Red Hat Enterprise Linux?

That depends on what codecs you install. By default, it doesn't come with many, but you can install support for proprietary codecs.

What is xwindows for Linux?

The X Windowing System is a suite of software and a server where graphical user interfaces may be run on UNIX and Unix-like systems.

It is not the window manager or the desktop environment, however. Think of it as the low-level libraries, hardware interface, and the base display context for everything you see on the screen in Linux on a GUI.

What does the command RPM -Uvh pkg do?

In Linux it will install an RPM package with the following arguments:

-U (upgrade)

-v (verbose logging)

-h (hash showing installation percent)

This is great default way to install RPMs. If there is no existing package to upgrade, it will still install the package. If there is a newer version of the package already installed, it will tell you that and exit without error.

What is load average in Linux?

Classically, UNIX systems have calculated the load average by counting the number of processes that are either running on the CPU or runnable (ready & waiting for a CPU to run them). Linux does this, but it also counts the number of processes in uninterruptable sleep. Uninterruptable sleep usually means a process is blocking on I/O (waiting for disk, etc.).

As such, you can't really use a Linux host's load average to determine the CPU utilization of the host. If the load is high you might have an I/O problem instead of a CPU bottleneck. Then you need tools like vmstat, top, iostat, etc. to tell you what is actually going on.

This doesn't mean load average is useless, though. From a monitoring standpoint it's something that can tell you at a glance that something is wrong. Just remember that higher load averages aren't necessarily bad. If your 16 CPU machine has a load of 16 that might just mean it's being fully utilized.

What is SUSE Enterprise Linux?

It is also an open source operating system developed by Novell Inc.

What are the system requirements for Redhat 6 Linux?

Minimum 1 GB Ram with 5 GB free hard-disk space having 2.4 GHz intel processor is required for RHEL-6 OS installation.

Regards, Ankur