10 More Discussions You Might Find Interesting
1. Red Hat
Hi All
On one of my sandbox machine, I want to replace RHEL 6.2 to RHEL 7.3.
I am using both developer editions.
rhel-server-7.3-x86_64-dvd.iso ... This is what I have downloaded from
Red Hat Enterprise Linux Download | Red Hat Developers
My understanding is this file would work as a... (1 Reply)
Discussion started by: videsh77
1 Replies
2. Red Hat
Hi All,
I have one logical volume with size as 900G and it is mounted as xfs file system.
Now I want to reduce this partition to 500G.
So I followed the below steps.
unmount the mount point /home
Reduced the volume using the command
Now I remounted the partition.
But the problem... (3 Replies)
Discussion started by: kalpeer
3 Replies
3. Red Hat
I was testing Networking Teaming (activebackup) with a VM hosted on VmWare Workstation and VirtualBox, and the result is, if the active interface is down, the system is not using the backup interface.
Tested on both CentOS / RHEL 7
Please find below the command I have used to configure teaming.... (0 Replies)
Discussion started by: atanubanerji
0 Replies
4. Red Hat
Dear Linux Experts,
On my windows 7 desktop with the help of Vmware workstation (Version 7.1),
created virtual machine and installed Centos 5.7 successfully using ISO image.
Query : Is this possible to upgrade the Centos 5.7 using Centos 5.8 ISO image to Centos version 5.8?.. if yes kindly... (2 Replies)
Discussion started by: Ananthcn
2 Replies
5. Emergency UNIX and Linux Support
Hello,
I am running into this issues, few VMWare VM's that are running with RHEL 5.6 and Centos 5.7, are having read write errors on the root file system. This is noticed on all vm's. After looking to log files this what I noticed.
#touch test.txt
touch: cannot touch `test.txt': Read-only... (12 Replies)
Discussion started by: bobby320
12 Replies
6. Red Hat
Hi guys
I have CentOS installed on my server. I have also installed TFTP server, DHCP server. I am able to install CentOS on remote machines using PXE boot and kickstart cfg file.
I would like to install OpenSUSE using CentOS kickstart file. How do I do it ? I am also fine with any other... (2 Replies)
Discussion started by: msohail
2 Replies
7. Red Hat
Hi friends,
I am a novice Linux user, and I want to take the RHCE test in future. As I have been told that the RHCE test is all about Redhat Enterprise Linux. I approached redhat.com to download RHEL 6.1, but they don't offer that to people who have email id's at gmail, yahoo etc. Where then I can... (2 Replies)
Discussion started by: gabam
2 Replies
8. Red Hat
Hi all, i have 3 nodes cluster (Centos 5 cluster suit) with out quorum disk,
node vote = 1,
the value of a quorum = 2,
when 2 nodes going offline, cluster services are destoys.
How i can save the cluster and all services(move all services to one alive node)
with out quorum disk when other... (3 Replies)
Discussion started by: Flomaster
3 Replies
9. Virtualization and Cloud Computing
Hi
I would like to know how to do virtualization in Rhel 5.3 and Cent os 5.3, As i am new this Virtualization need guidence how to install and configure guest os in Rhel and Cent Os
can some one guide me step by step
Regards
Solaris8in (1 Reply)
Discussion started by: solaris8in
1 Replies
10. UNIX and Linux Applications
Hi,
We are trying to migrate an oracle database from Sun Solaris (SunOS 5.9 Generic_118558-28 sun4u sparc SUNW,Ultra-60) to Linux 2.6.18-53.1.19.el5 #1 SMP Tue Apr 22 03:01:10 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux which is basically a Big Endian to Little Endian conversion.
We shutdown... (3 Replies)
Discussion started by: luft
3 Replies
INET(4F) INET(4F)
NAME
inet - Internet protocol family
SYNOPSIS
#include <sys/types.h>
#include <netinet/in.h>
DESCRIPTION
The Internet protocol family is a collection of protocols layered atop the Internet Protocol (IP) transport layer, and utilizing the Inter-
net address format. The Internet family provides protocol support for the SOCK_STREAM, SOCK_DGRAM, and SOCK_RAW socket types; the SOCK_RAW
interface provides access to the IP protocol.
ADDRESSING
Internet addresses are four byte quantities, stored in network standard format: layed out as highest to lowest order bytes in memory or
``Big Endian'' (the VAX is word and byte reversed, or ``Little Endian''; the PDP-11 is byte reversed within each word, or ``Middle
Endian''). The include file <netinet/in.h> defines this address as a discriminated union.
Sockets bound to the Internet protocol family utilize the following addressing structure,
struct sockaddr_in {
short sin_family;
u_short sin_port;
struct in_addr sin_addr;
char sin_zero[8];
};
Sockets may be created with the local address INADDR_ANY to effect "wildcard" matching on incoming messages. The address in a connect(2)
or sendto(2) call may be given as INADDR_ANY to mean ``this host.'' The distinguished address INADDR_BROADCAST is allowed as a shorthand
for the broadcast address on the primary network if the first network configured supports broadcast.
PROTOCOLS
The Internet protocol family is comprised of the IP transport protocol, Internet Control Message Protocol (ICMP), Transmission Control Pro-
tocol (TCP), and User Datagram Protocol (UDP). TCP is used to support the SOCK_STREAM abstraction while UDP is used to support the
SOCK_DGRAM abstraction. A raw interface to IP is available by creating an Internet socket of type SOCK_RAW. The ICMP message protocol is
accessible from a raw socket.
The 32-bit Internet address contains both network and host parts. It is frequency-encoded; the most-significant bit is clear in Class A
addresses, in which the high-order 8 bits are the network number. Class B addresses use the high-order 16 bits as the network field, and
Class C addresses have a 24-bit network part. Sites with a cluster of local networks and a connection to the DARPA Internet may chose to
use a single network number for the cluster; this is done by using subnet addressing. The local (host) portion of the address is further
subdivided into subnet and host parts. Within a subnet, each subnet appears to be an individual network; externally, the entire cluster
appears to be a single, uniform network requiring only a single routing entry. Subnet addressing is enabled and examined by the following
ioctl(2) commands on a datagram socket in the Internet domain; they have the same form as the SIOCIFADDR command (see intro(4N)).
SIOCSIFNETMASK Set interface network mask. The network mask defines the network part of the address; if it contains more of the
address than the address type would indicate, then subnets are in use.
SIOCGIFNETMASK Get interface network mask.
SEE ALSO
ioctl(2), socket(2), intro(4N), tcp(4P), udp(4P), ip(4P), icmp(4P)
An Introductory 4.3BSD Interprocess Communication Tutorial (PS1:7).
An Advanced 4.3BSD Interprocess Communication Tutorial (PS1:8).
CAVEAT
The Internet protocol support is subject to change as the Internet protocols develop. Users should not depend on details of the current
implementation, but rather the services exported.
4.2 Berkeley Distribution August 1, 1987 INET(4F)