CentOS 5 :: Yum With Host Without Internet Access?

Oct 15, 2009

is it possible to use yum in any way when a computer is not connected to the internet(but when full install media is available; for example the dvd)? Or should I resolve all dependencies manually using rpm?

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General :: VMware Host-only Networking Internet Access

Aug 16, 2011

I am running a Ubuntu Linux VM using VMware Player on a Windows 7 host.

I don't want to connect directly to the network or use NAT; I need host-only networking but also need Internet access. How can I do this?

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Networking :: Isolating A VMware Virtual Machine From It's Host But Still Alowing Internet Access

Oct 31, 2009

I have a WindowsXP virtual machine which I need to isolate from the host machine completely (have the host act as a bridge but not be visible on the IP layer at all.) It still needs to have Internet access. Obviously it has to be able to contact the router but I would like to be able to block port 80 (or even just block all SYN packets addressed to the router.) I also want to allow port forwarding from the router to the virtual machine. I can use basic iptables but this is way beyond me.

The host OS is probably going to be Debian Lenny but this is not built yet so if someone can recommend a different distro which is as lightweight as possible but will support VMWare, iptables and tcpdump then that would be great. I was thinking of Slackware but I have not used it in ages and from what I can remember their is no real package management.

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CentOS 5 :: Copied Files Into A Virtual Host Container But Cannot Access The Site?

Sep 8, 2010

Has anyone had issues installing Drupal on centos. I have copied my files into a virtual host container but cannot access the site. When I place a phpinfo file into the folder and browes to it I see that Virtual Directory Support is "Disabled" However how did the php page get shown from the same virtual directory mm I may have asked to soon.Installing Drupal on CentOS 5/Red Hat/Fedora http://drupal.org/node/32773

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CentOS 5 :: Installing CentOS-DS - Cannot Get To The Extras Repo Due To Lack Of Wired Sans Internet Access

Dec 9, 2009

I am trying to install CentOS-DS on version 5.4 x86_64. I cannot get to the Extras repo due to lack of wired Internet access. I have wireless (except to server) and I have big UFD drives.

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CentOS 5 Networking :: Internet Access Slow In CentOS 5.3?

Sep 9, 2009

I have an MSI K9A2 Platinum mobo, which has a 10/100/1000 Fast Ethernet Realtek 8111B built-in, a D-Link DIR-655 Router and a DSL modem. Compared to Windows Visya and other Linux distros ( Fedora 11, Suse 11.1, Mandriva 2009.1 ) access to the internet is much slower. It seems there is a noticeable delay when running CentOS 5.3. before internet access kicks in each time I am surfing the web or updating my system.

Is there any way I can speed things up, or determine why CentOS 5.3 seems much slower ?

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Networking :: CentOS 5.5 - No Access To Internet

Oct 17, 2010

I have CentOS5.5, it has full access to internet until I did something to it I couldn't figure out. This is not a cable issue since I could ping and ssh to other machines within my lan. Apache is also running fine, which is probably irrelevant. When I type traceroute cnn, it simply hangs, later saying [URL]:
Temporary failure in name resolution
Cannot handle "host" cmdline arg '[URL]' on position 1 (argc 1)
This is a desktop version of CentOS5.5, when i do Administration - Network, it says eth0 is active and Primary and Secondary DNS are set correctly to my comcast DNS server at 68.94.15x.1

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CentOS 5 :: Can't Seem To Access The Internet From 5.4 Server

May 20, 2011

I am using a CentOS 5.4 server for Snort (it's actually using the easyIDS config). I'm trying to modify some things, and I've noticed that I can't seem to download any files. WGET, FTP, etc... all just time out. It's not a network firewall issue, as I've been monitoring the logs and see no blocked traffic, and other machines on the subnet can get outside with no problems. I checked the Cent firewall using the setup command, and it says it is disabled as well. I'm very new to linux, so I'm wondering how I can troubleshoot this? The wget and ftp errors just say the connection timed out, but I'm not sure why.

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General :: Access Internet In Redhat 5.4 And Centos 5.5

Apr 3, 2011

i am unable to access internet in linux editions (redhat 5.4 & centos 5.5) recently i have taken a reliance internet connection but the think is i didn't get any ipaddress from reliance, but i accessing internet in window 7 and i have triple boot. pls any one give the solution.

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CentOS 5 Networking :: Can't Ping Or Otherwise Access Internet

Mar 14, 2009

I just downloaded and installed the latest Cent OS 5. I disabled SE linux, turned off the firewall, and selected the Server package options when installing. I plan on using this as a router/firewall between my internal network and the internet, as well as web server, etc. The first thing I did was to configure the two NICs, internal one with 192.168.7.1 address and the other with an address from my ISP (I have a static address, but I also tried to let the DSL router assign an address via DHCP). Everything looked fine, I checked /etc/resolv.conf and my routes. I was able to ping the DSL router from the server, but I was not able to do a ping or lookup on anything outside my network. I tried host, dig, nslookup, etc, no luck. Obviously then, I was not able to browse the net with firefox.

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CentOS 5 Server :: Allow Apache To Access The Internet?

Apr 21, 2009

We have Apache installed on CentOS 5.3 in our laboratory. Indeed the server is running fine for almost two years since it is actually the first CentOS 5 that was released just regularly updated. Now, most of our applications are custom made PHP applications and until now we somehow managed to avoid using PHP to fetch files that are on the internet itself. But now we are desperate because we need to allow PHP to fetch files through Apache but it seems as if Apache is not allowed to make a connection to the outer world. Additionally we use a proxy server to connect to the outer world so right at the beginning http_proxy is used to set that environmental variable. And for the root user it all works fine after that but it seems as if the apache user is not allowed to access the internet. Just to make a remark our web server can be accessed from the outer world so its a one way street for now.

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CentOS 5 :: Adding An Application Without Internet Access?

Jan 27, 2010

I am using CentOS LiveCD i386 without internet access. I would like to make the application sys_basher, but make is not installed and I cannot find how to add packages without yum.

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CentOS 5 Hardware :: How To Access To Server Over Internet To Bio

Feb 15, 2010

i want to buy a pci weasel, people told me i will have access to the server over internet with this board.Does anyone have any experience with this kind of card?How can i have access to server over internet to the bios,etc.

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CentOS 5 Server :: SSH Access Denied Over Internet?

May 28, 2010

I am getting an access denied when trying to log in via SSH to my home server with putty(windows) over the internet. I can use any user including root and get the same result. If I use my Android phone with the ssh terminal command I am able to successfully log in and use the server.

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CentOS 5 Networking :: Unable To Access Internet?

Jul 4, 2010

On my Centos 5 box my internet won't work. I am unable to get update and I can't download any native programs. But I have Samba running and I am able to access all my files for my other computers.

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CentOS 5 Networking :: Can't Access Any Port From The Internet

Nov 28, 2010

1. I've just installed Centos 5.5 on a dell machine with 2 network interfaces, and have disabled SELinux.

The output for the command sestatus is: SELinux status: disabled

2. Am I right to think that iptables is not a concern since SELinux is disabled? In any case, the output for the command "iptables -L" is:

Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp dpt:domain

[Code]....

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CentOS 5 :: Installing Applications With No Internet Access?

Mar 17, 2011

I'm currently working on a project in a secure environment with no internet access and I need to install Ettercap and Wireshark on the machines. I thought this would be a simple task of loading Wireshark onto a USB but this did not work and replied with error messages such as: ' Invalid config x86_64-unknown-linux'

what does the error message mean and do I need internet access to install the apps?

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CentOS 5 Networking :: Unable To Get Internet Access To 5 Server

Jan 17, 2009

I've installed centos 5 on an old computer with success and it works great.I can access the web server hosted on the centos server from any computer on the wireless and wired local network. I can also use ssh (putty) and nx client from any computer on the local network (wired and wireless) to access the centos server.On the wireless router I've configured a port forwarding to the wireless network interface on the centos server. I can access the centos server from the outside (internet) through this port forwarding both through http and ssh or nx client.MY problem is that I can't access the centos server from the internet through the wired network interface. Any attempt to view a web page or login with ssh or the nx client will timeout.

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CentOS 5 Networking :: DomU Virbr0 Can't Access Internet?

Feb 1, 2009

I'm running a CentOS 5.2 on dom0 and two CentOS 5.2 on domU.The domU use virbr0.I install domU via GUI interface and did not change anything ... the domUcan ping and connect to dom0 but can't access to Internet !!I search google and find someone mentioned that I need to enable IP forwardin dom0 ... I did but my domU still can't access to Internet.What else I need to do ?The routing table of dom0 is:

# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface

[code]....

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CentOS 5 :: Can't Access Internet From Windows XP Clients / Enable This?

Jan 3, 2011

I am stepping into Linux world ...and I have chosen CentOS.
I have installed CentOS 5.5 on a dedicated IBM server successfully. My server has two network cards. I have configured eth0 for lease line internet connection with a live IP (113.xxx.xxx.xxx) and eth1 for local LAN with a static IP (192.168.0.1).

Now,
1. DHCP is working fine and I can access the server from my Windows XP clients.
2. I can access the server with SSH client PuTTY from home ( with the live IP ) and from the local LAN (with static IP 192.168.0.1)
3. I can access my shared server directory 'public' from my XP clients
4. Internet is working on sever and I have updated the server with yum update.

But, I cannot access internet from my XP clients machines.

I read "The Definitive Guide to CentOS" and tweaked the config files in different ways but it did not help. now after two sleepless nights I am here as my last hope.

I admit, I am not aware of every linux terms and commands, but I am getting into it. code...

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CentOS 5 :: Install X Windows From Terminal On System With No Internet Access?

May 29, 2009

I am working on a system with no internet access so I cant use yum. How do I install a feature like X-Windows or GNOME Desktop Environment(using groupinstall) directly from DVD?

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CentOS 5 Networking :: Wifi Client To Access Internet Via Laptop?

Jul 27, 2010

I have a Centos5.4 64bit laptop, having an eth0 and a wlan0. I connect this wired eth0 to a wall socket to access Internet via DHCP (eg the assigned address is like 192.168.192.xx). I do not have access to the ADSL router. How can I turn this laptop into a Wifi access point to allow, say my Ipad or any wireless-only client, to access the Internet thru this laptop ?

That is, communication between iPad to laptop is wifi(ad-hoc connection ??), laptop to the ADSL router is wired LAN. The laptop need to have some bridging build in ? If you can refer me some concepts, then I can follow up from there.

Or better yet, has anybody does this before ?

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General :: PPPOE Server Access Internet Clients Fail To Access Internet

Aug 26, 2010

I have a linux box (fedora) with two ethernet cards eth1 and eth2. On eth1 I successfully configured a PPPOE internet connection. Such that from the server I can browse the internet. On eth2 I wired it to a wireless router essentially to provide the wireless cloud. On eth2 I also configured dhcp, such that the Linux box is both PPPOE and DHCP server.However my clients on the LAN cannot access the Internet.

On passing the routing command I get
Destination Gateway Iface
196.44.x.y 0.0.0.0 ppp0
192.168.1.0 0.0.0.0 eth2 (my subnet)
0.0.0.0 0.0.0.0 ppp0.

The router (functioning as a wireless access point mainly) has a fixed IP address of 192.168.1.2 and eth2 has IP address 192.168.1.1. The dhcp file running on Linux has been set with option router (Gateway) 192.168.1.1. I cannot figure out how to correctly set the routing table such that my clients on wireless can access the internet cloud. I googled and googled but no solid solution. Any suggestions?

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CentOS 5 :: Should /etc/hosts Contain 127.0.0.1 Host.domain Host?

Nov 14, 2009

I have installed CentOS 5.4 machine named test.example.com (192.168.1.1)File /etc/hosts contains:127.0.0.1 test.example.com test localhost.localdomain localhostI have read that the loopback addres should not be assigned to host name,only to localhost and the host name should be assigned to 192.168.1.1, like this:127.0.0.1 localhost.localdomain localhost192.168.1.1 test.example.com testIs there any reason why it should be one or another way?

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Fedora Networking :: VM Can Ping Host And Internet But Host Can't Ping VM

Jan 19, 2010

Host - Fedora 12 64bit
KVM
VM - Windows Server 2008 64 bit
bridge-utils

VM can ping host and Internet but host can't ping VM.

I set VM static IP 192.168.0.205.

It turns out dynamic IP - 192.168.0.55

On host:

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CentOS 5 :: Migrate A Host From Oracle Enterprise -> CentOS?

Jan 5, 2011

I have some Oracle (Unbreakable|Enterprise) Linux systems, mostly running v5.4. I'd like to migrate them to CentOS 5.4 (or 5.5... I'm not picky about that).Is it as simple as updating the repo files in /etc/yum.repos.d, and issuing 'yum upgrade', or is there further magic involved?

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OpenSUSE Network :: 11.3 Amd64 - Having Internet Access But Cannot Access Repos - IPV6?

Aug 26, 2010

I installed 11.3amd64 as a VM under Vista/VMWare Player - all worked fine. I have now installed it as a physical system. It nstalled cleanly BUT during first boot it could not access the repos. With each repo it gave the message

- download (curl) error for (repo)
- error code connection failed
- error message could not resolve host (repo)

This was followed by a message box containing

- UI syntax error
- no widget with ID 'contents

Firefox could not access the internet (cannot find server) until I disabled IPV6 (I used about:config), now it works fine. I think the repos problem is because of IPV6 - I usually have trouble with IPV6. I tried disabling IPV6 with the following (How To Disable ipv6 on SuSE Linux | Linux Poison)

[code]......

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Ubuntu Networking :: The Phone Can Access The Internet Through The Computer Unable To Get Access To Https Sites, Like Webmails

Dec 31, 2010

I managed to configure my W890i phone to get access to internet through an ubuntu-based computer. It's very easy to use the phone to give internet access to the computer, but the opposite is quite more tricky. For that I've done the following

----On the phone---

-Set the USB network option to "through computer", so that the phone uses the computer's internet connection and not the opposite.

-Decide and set "Shared Network" parameters: user, pasword and workgroup.

-In "conectivity-> internet connection" set "allow local network" to "yes"

----On Ubuntu 10.04---

-Install samba, samba-client, smbfs, smbclient, firestarter and dhcp3-server

-Configure Samba (System-> Administration-> Shared folders): same workgroup as in the phone, add new user (the phone), passwd this new user. In my case the user was called "w890i" and the password given was the same.

-Once the phone is connected to the computer through USB (then select "phone mode"), a new connection appears in NetworkManager: usb0.The aim is to create a shared network that gives internet access to this device. Edit the IPv4 parameters of this new connection, set them to Manual and give an IP adress (192.168.0.1) and a subnet mask (255.255.255.0); the rest of the fields are left empty.Connect this network.

-Set firestarter to use dhcp3: sudo ln -sf /etc/init.d/dhcp3-server /etc/init.d/dhcpd

-Launch firestarter and follow the wizard. Set "allow internet shared connection", choose the device for the primary internet access, and then the device for the shared network (usb0). Then change the settings for firestarter: activate DHCP for local network, set IP to the one we gave before (192.168.0.1).

-Open dhcp3-server config file sudo gedit /etc/default/dhcp3-server And set INTERFACES="usb0"

-Set the policies of firestarter: in incoming connections, allow connections from the IP adress given to the phone (192.168.0.1). Then add rules for the ports that need to be open for this connection. I opened HTTP, HTTPS, SMB, SMTP, POP3, IMAP, IMAPS, DHCP for all the connections in the local network.

-Apply policies and start the firewall.

------------

After all this, the phone can access the internet through the computer. Two problems appeared:

1. I couldn't get access to https sites, like webmails. The phone gave a "communication error". But then I tried with Opera instead of the browser built in the phone's firmware, and I could finally get to https sites.

2. I couldn't retrieve mail, neither POP nor IMAP nor IMAPS. I thought it was a firmware problem again, and I tried out several mobile phone email clients written in java, but none of them worked.

So this is at the moment the problem. If I connect from the phone to the internet directly through 3G, the email clients work for all my accounts. I don't think it's a firewall problem, because the ports are opened for this connection

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Software :: Squid 3.0 Access List / Remove Redirect Statement From Iptables All Internet Access Is Blocked?

Jun 11, 2010

I have an old FC2 box running Squid version 2.5. It has been running since 2003 so I am in the process of replacing it. I have a new machine with FC11, iptables, and Squid 3.0 installed.

On the old machine I use iptables to intercept Port 80 traffic and send it to Squid. By default I block all internet access and allow only sites that are in an Allowed_Sites.txt file. Within Squid I also have statements to allow certain users to bypass Squid based on their IP address.

I have set up the same thing on the new box. I have iptables intercepting the Port 80 traffic and sending it to Squid. That is working because if I remove the redirect statement from iptables all internet access is blocked.

The problem I am having is that Squid is not blocking any websites. It acts like the ACL is set to http_access allow all. I have worked on this for several hours and am stumped.

These are my Squid rules:
acl allowed_sites url_regex "/etc/squid/Allowed_Sites.txt"
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32
acl SSL_ports port 443
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access allow Bypass_Users
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
acl our_networks src 192.168.1.0/24
http_access allow allowed_sites
http_access allow our_networks
http_access deny all
icp_access deny all
htcp_access deny all
http_port 192.168.1.254:3128 transparent
hierarchy_stoplist cgi-bin ?
access_log /var/log/squid/access.log squid
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|?) 0 0% 0
refresh_pattern . 0 20% 4320
visible_hostname FC11.proxybox
icp_port 3130
coredump_dir /var/spool/squid

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Ubuntu Networking :: Couldn't Access Internet Via LAN With Could Access With Windows 7?

Jul 6, 2011

I connected my laptop running with Ubuntu 11 in the LAN but I couldn't access internet.But I could ping to the other computers connected in the LAN. I tried the same thing with windows 7 in the same laptop and I could access internet.

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