Networking :: Can't Delete Arp Entries
Jun 23, 2011
So I have some entries like the ones below. I have a system setup to do all the routing/dhcp/dns. This is a private network for education purposes only, and I have no idea how half of these addresses got in the arp table.
shell>arp -n
192.58.128.30 (incomplete) eth0
192.228.79.201 (incomplete) eth0
192.36.148.17 (incomplete) eth0
[Code].....
how to just clear the table. That's all I want. Is that too much to ask? I also noticed in Wireshark that packets are constantly being sent to find the MAC address that these IPs belong too. I really want that to stop happening.
EDIT: I have also tried using ip neighbor. I ran "ip neighbor del 192.58.128.30 dev eth0", and it gave no errors but didn't remove the entry. All the ones without a MAC are also listed as FAILED in ip neighbor.
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Oct 13, 2010
I am working on Red Hat Linux since last six months and learning it steps by steps. like configurating ftp server,NSF ,DNS and then email server. I want to learn squid server but technically before going into it what you suggest me that may I first learn to configure Linux as a router,Firewall machine or do IP masquerading on a server. Because all these things are directly or indirectly involve in squid.So guide me because going to start squid i may understand Linux IP table ,how to add entries in it,how to delete entries ,I think you understand my point which i want to ask for guidence.
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Feb 16, 2011
Before Ubuntu I used m8, and the boot options for m8 still shows up in the grub startup screen. I want to get rid of those m8 entries. I have edited grub in the past, and it was just a regular text file, where you could just remove lines or even change listing order.Edit the menu using the command "sudo gedit /boot/grub/menu.lst.No good, there is no such file on my system. After password, That command displays a blank Gedit screen.
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Apr 23, 2010
My laptop is set to dual boot, either Ubuntu 9.10 or Windows Vista. The GRUB loader has multiple entries, starting with Ubuntu, then several instances of Ubuntu recovery mode, before memory test and two entries for Vista, the first of which does not work. How do I delete the unwanted entries? I can press "e" to edit them, but if I do so how do I actually delete them, assuming it is safe to do so.
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Jun 30, 2011
Is there a way to get the bash history to delete older entries that are identical to the new one?Say the bash history would look like this normally:
Code:
cd ~
ls -l
[code]...
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Apr 15, 2010
OS: fed 12
WM: gnome
I would like to remove OR move down the "create folder, launcher etc" so the first button can be Open Terminal. I have used both NACT and nautilus-actions to get the Open Terminal on the menu - but I would like it to be on the top (old habit).
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Jun 26, 2010
I have 2 external hdd in wich I have all my files.... yesterday, I have copied all the files from hdd1 to hdd2 and I want to eliminate duplicates so I used FSLint to find them, now, I have a txt file that looks like this code...
now I want to make a shell script to delete all the files/entries (read from the log file) that begin with code...
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Jan 28, 2010
Is there a way to know the dns entries of a certain domain? Let's say I want to know its IN A records on their DNS Server. I know you can find the MX Record using the host command but I want to know the other IN A records associated with the specific domain.
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Aug 23, 2010
Here is what I tried:
Since I had no aliase in /etc/modprobe.d/, I made one. I have also added entries to blacklist.conf ( even tried blacklist with out the .conf ), added entry to sysctl.conf, and added a no load to my grub.conf ( /etc/default/grub). I am still seeing ipv6 in netstat but not when I check lsmod. Below are my entries:
Code:
cat /etc/sysctl.conf | grep ipv6
#net.ipv6.conf.all.forwarding=1
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.all.disable_ipv6 = 1
Code:
cat /etc/modprobe.d/blacklist
blacklist ipv6
install ipv6 /bin/true
Code:
cat /etc/modprobe.d/blacklist.conf | grep ipv6
blacklist ipv6
install ipv6 /bin/true
Code:
lsmod | grep ipv6
#
Code:
cat /etc/default/grub | grep DEFAULT
GRUB_DEFAULT=0
GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 quiet splash"
Any ideas why I am still seeing service listing with ipv6?
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Dec 9, 2010
I am using Ubuntu 9.10 Desktop Version and the entries did in /etc/resolve.conf all the time it is cleaning as and when i am restarting my systems. How to make is permanent solution to keep all the entries done in /etc/resolve.conf
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Jan 16, 2011
I had made following entries in my httpd.conf file at centos5.5.
###########################
Listen 80
Listen 8080
Listen 8085[code]....
When i am trying to access the any directory other on port *80, its not being accessible from the static ip which is routed through a DMZ server. http://122.165.35.9:8085 something like this returns the error "could not connect to web browser"
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Apr 18, 2010
Instead of moving to trash, how can i make the delete button delete? Delete is already enabled on the right click menu.
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May 9, 2010
SO after using Testdisk to recover some images, the folders recup_dir.1 & 2 have saved in my FIle System area, when ever I try to press delete noting happens. I have also tried rm -f -rrm -f -fIt still dont delete, I have also deleted my user account and made a new one, but the files are still there.
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Sep 25, 2010
I am trying to use an old box as backup server. I have tried a couple of possibilities along the lines of:
Quote:
rsync -a --delete --progress --log-file=/home/$USER/info.txt -e ssh /home /etc root@192.168.0.106:/mnt/back
The problem is it does not delete files that has been removed from my local system?
I run the command as root on the local system.
(I realize I should properly not ssh into the server as the server's root but I'm having trouble with the permissions and I want to make sure everything else works before messing around with it)
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Feb 18, 2010
Why is there no Delete when I right click like there is with Windows in ubuntu? Pretty much everything else is there like new folder and so on Is there some way to add it? Also why when i delete something does it not ask me if I am sure that i want to delete that file?
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May 21, 2011
I know BIND has rndc. Does windows have a utility that allows remote editing of records on MS DNS server FROM LINUX? I've looked at wbem a little but, have not confirmed if it allows adding/editing DNS records.
What about DHCP leases, etc?
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Nov 3, 2010
I have added a bridge "mybridge" using brctl bu not added any interfaces yet. Even the brctl show command looks: bridge name bridge id STP enabled interfaces mybridge 8000.0000000 no
Now I try to do: brctl delbr mybridge and it gives: bridge mybridge is still up: can't delete it
I performed ifconfig mybridge down but still the problem persists!
How to delete the bridge?
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Nov 1, 2010
I just can't stand knowing that there's a slight problem with my PC.I have roughly 12.5 Gigs of files, mostly movies that are multiple clones of a particular movie (which was an entirely different problem altogether) and I CANNOT DELETE THESE THINGS! There has to be a simple way to do it from terminal, problem is, I can't seem to find the trash directory in terminal.
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Mar 28, 2009
I have an FTP server on my network (currently ran on IIS). When I connect with Nautilus to FTP and try to delete folder (files delete works) I get error.I tried Filezilla and Gnome-Commander as clients - they cat delete directories just fine. I tried to solve this problem for months because I like the convenience of having my FTP bookmarked in Nautilus and use it from there.Today I finally found a reason for Nautilus not being able deletedirectories, but I can't find a solution to that. I've checked FTP logs and saw that all working ftp-clients are performing RMD on directory name only, while Nautilus always prepends directory name by / symbol. So, let's say I'm trying to delete folder call "Test"Filezilla and Gnome-Commander are logged as doing RMD on "Test", but Nautilus was logged as doing RMD on "/Test" and server replied that "/Test" folder doesn't exist
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Mar 6, 2010
i was trying to create a share in ubuntu.went to smb.conf and joined a workgroup but the name i gave for it was wrong..i fixed it later on..but the name of the workgroup won't go from the network..How can i delete the workgroup from the network?
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Jun 23, 2010
cant continue when i install or delete ndiswrapper I got this message:
Errors were encountered while processing:
ndiswrapper-dkms
Setting up ndiswrapper-dkms (1.56-1) ...
Removing old ndiswrapper-1.56 DKMS files..
Deleting module version: 1.56
completely from the DKMS tree.
[Code]...
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Jan 10, 2011
share a mount"/RAID" on my server: 192.168.0.2 with everyone on my network.192.168.0.*
From what I have listed below I am able to mount the share but I can not write or delete anything. It is almost like it is ro only permissions.
From the Server:
Code:
sudo cat /etc/exports
[sudo] password for jesse:
# /etc/exports: the access control list for filesystems which may be exported
# to NFS clients. See exports(5).
[code]....
Eventually I need to share 192.168.0.2:/RAID on two OSX computers as well. I read some places where you need to add insecure to your /etc/exports on your server in order for the OSX client to access the the share.
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Apr 26, 2010
I am trying to delete a network I created on my computer (Create a new wireless network). I did so, but it is still there, visible by anyone out there in my neighborhood. I have ubuntu linux 8.04 LTS desktop edition.
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Jul 30, 2011
I'm wanting to permanently delete one particular wireless network. I don't want to merely disable auto-connect, I want it to not even show up in my list of available networks. Is there a way to do this? I'd like to still be able to connect other wireless networks. I'm using Ubuntu 11.04.
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Jun 21, 2011
There is a test/development environment here at work with some windows and some CentOS systems connecting over a network share to a CentOS fileserver in the data center. The developers run as root (i know i know, but the environment is completely cut off from the rest of the company and this just worked best) and connect to the fileserver using samba. I tried using nfs but to no avail. Now, a couple of the developers have no issues with permissions at all but a couple of them are not able to delete files or folders in their network share graphically. They can through terminal though.
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Jan 2, 2010
I just installed Ubuntu server 9.04 and am try to get it all set up but Ive run into a snag with Samba. I cant delete, add, or change files from my windows machine like I could before. Here is my minimalist Samba config that I used on my old ubuntu server:
Quote:
[global]
server string = %h server (Samba, Ubuntu)
security = SHARE
map to guest = Bad User
obey pam restrictions = Yes
[Code]....
Im sure its just one small thing Im forgetting..Its been a while since I played around with my server!
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Sep 9, 2010
So I setup VNC on my Mac (that runs Snow Leopard) and my PC (that runs Ubuntu) and I gave the IP address to Ubuntu, entered the password and it worked fine. The problem is that it still works fine... I only made this connection to test it because I thought it'd be cool, which it was (for a while). Now I cannot delete this connection whatsoever!
I have tried changing the password on the Mac, limiting the users, and even switching it off completely by unchecking its checkbox. I have also tried limiting the users... BUT UBUNTU STILL MANAGES TO GET INTO MY COMPUTER! This is really annoying because anyone using the PC downstairs can now go into my Mac and mess about with things - I hate this. Somehow, Ubuntu has locked in on my Mac and, despite the changes, can earn access no matter what!
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Dec 22, 2010
I just got a new PC with 2TB of HDD space and it's running Ubuntu 10.04.1 32bit. I have created a user for networking, called share and have created a folder within the home folder called public. I then shared the folder and gave 777 access to it as I want this to be public - but for my local network and my later for ssh access. I have installed samba, and under the sharing options I allowed for guest logins and people to write and delete from folder. SO how would I be able to "see" this from my windows machine? It's running XP pro and it has a domain other than workgroup - but that shouldn't affect it should it?
Also, the laptop with XP is on the wireless with and internal IP of 10.0.0.135 and my PC is on the LAN connection with and internal IP of 10.0.0.1 I'm sort of familiar with networks, but I have NO clue as to how to do this.
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Sep 6, 2011
Recently I setup a system for a non-technical user. He is only using Firefox, Pidgin and OpenOffice for about 2 hours a day. I have created a folder "/home/jim/myFiles" where he can save his document files. But Jim has accidentally deleted his myFiles folder on 2 occasions. He had intended to delete a file in that folder. Is there a way to lock the folder so that the user and create/read/write documents in that folder but not delete the folder itself?
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Jul 11, 2010
Intalled GRUB using Live CD. My problem is very similar to these..
Code:
1. sudo grub-install --root-directory=/mnt /dev/sda
2. sudo mount -o bind /dev /mnt/dev
3. sudo mount -t proc none /mnt/proc
[Code]....
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