Recently I noticed that my internet connection would not work correctly-although connected domain names could not be resolved. My resolv.conf file was fine since it is configured every time I dial up. a closer inspection showed that my loopback interface had disappearerd! Any ideas why would this... (1 Reply)
Hopefully I am posting this silly question in the right place...
I was wondering about the possibility of using loopback files on a physical disk to create virtual disks that could shrink or grow as needed. Something like RAID 0, but instead of using block devices, just using files. If I need... (0 Replies)
I've got a RedHat 9 box with LVM support in a 2.4.22 kernel. What I would like to do is take a set of empty files created with 'dd' and concatenate them into a volume group. I've done a good deal of googling, and it seems that this is something that can be done. But when I try to use 'pvcreate'... (3 Replies)
Hi:
I´ve a problem in a 4.1.4.0 AIX server because is generating a loopback in its own ip address and this are consuming all the bandwidth.
I did many things trying to solve the problem but it doesn´t help.
1. Flush Routing tables
2. Get Up/Down Network interface
3. Add/remove Network... (0 Replies)
I have a disk image file created for use with the Linux version of the QEMU emulator. It's partitioned. I opened it with fdisk and the partitions show up with some extra messages about physical/logical endings:
Disk knoppix.img: 0 MB, 0 bytes
16 heads, 63 sectors/track, 0 cylinders
Units =... (3 Replies)
Hello,
I have a SunOS (5.5.1) system that I need to migrate to a new IP address. I would like to have any requests destined for the old IP to be forwarded to this server.
One suggestion I had was to add a route on my router that would point the old IP to the new IP.
How do I add another... (2 Replies)
Hi all, i have a problem with (Network in Linux) .. my issue with a HW appliance has openfiler 2.3 and is used for File Sharing using samba .. the problem is when i try to list all configured network interfaces using ifconfig -a .. i can't see the loopback interface, Although the file... (3 Replies)
This is in the beginning of the program:
clear
tput cup 1 20
echo "Welcome to UNIX I Final Assignment"
tput cup 4 3
echo -e "Who would you like to look up? \c"
tput cup 6 5
echo "vans, Rolland"
tput cup 8 5
echo "ones, Mildred"
tput cup 10 5
echo "mith, Julie"
tput cup 12 5
echo... (0 Replies)
clear
echo "vans, Rolland"
echo "Press in Your Keyboard to Quit"
echo -e "Please Enter Your Choice : \c"
read option
case $option in
I have created the corresponding information for each input on the display so...
My question is...
How do I display the corresponding information... (6 Replies)
Hello, please can you help and explain me.
I have two servers. Both are RHEL6.
I use the first one like router and the second one for apache.
Router forwards 80 port on the second server and I can open that from the internet (mysite.com, for example). But I can not open mysite.com if i try to... (0 Replies)
Discussion started by: 6765656755
0 Replies
LEARN ABOUT PLAN9
network_namespaces
NETWORK_NAMESPACES(7) Linux Programmer's Manual NETWORK_NAMESPACES(7)NAME
network_namespaces - overview of Linux network namespaces
DESCRIPTION
Network namespaces provide isolation of the system resources associated with networking: network devices, IPv4 and IPv6 protocol stacks, IP
routing tables, firewall rules, the /proc/net directory (which is a symbolic link to /proc/PID/net), the /sys/class/net directory, various
files under /proc/sys/net, port numbers (sockets), and so on.
A physical network device can live in exactly one network namespace. When a network namespace is freed (i.e., when the last process in the
namespace terminates), its physical network devices are moved back to the initial network namespace (not to the parent of the process).
A virtual network (veth(4)) device pair provides a pipe-like abstraction that can be used to create tunnels between network namespaces, and
can be used to create a bridge to a physical network device in another namespace. When a namespace is freed, the veth(4) devices that it
contains are destroyed.
Use of network namespaces requires a kernel that is configured with the CONFIG_NET_NS option.
SEE ALSO nsenter(1), unshare(1), clone(2), veth(4), proc(5), sysfs(5), namespaces(7), user_namespaces(7), brctl(8), ip(8), ip-address(8), ip-
link(8), ip-netns(8), iptables(8), ovs-vsctl(8)COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2018-02-02 NETWORK_NAMESPACES(7)