Server is not reachable because it was setup as Static IP. Must requires DHCP mode [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. Closed 10 years … Read more

What happens when a static IP address is unavailable? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 years ago. Improve this question I have several Raspberry Pis configured with static IP addresses (192.168.1.203 being one of them). I swapped out the router yesterday, and this … Read more

What are some options for acquiring a free realtime Linux distribution? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for … Read more

Debian 9 dummy network adapter – works on Local but not Remote?

I’m trying to set up an IPSEC tunnel between my remote external server and a locally situated machine. My remote has a naked public IP4 in a data-centre. My nearby server has a local NAT hidden 192.168.x.y address, however I have forwarded all the required ports and protocols to it; UDP 500, UDP 4500, ah, … Read more

Ubuntu insufficient disk space [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 years ago. Improve this question I am getting an insufficient disk space error, here is my df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 29G 28G … Read more

If no service is listening on a port can a system still be accessed using that port? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 6 years ago. Improve this question If I have a linux server with a FW rule (iptables) to allow inbound to a particular port does a service have to … Read more

How to prevent process from knowing Network is up? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 5 years ago. Improve this question Fist let’s block all Incoming, Outgoing signals via iptables. vi /etc/sysconfig/iptables *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A OUTPUT … Read more

cannot obtain certificate from let’s encrypt

I have a problem with obtaining a certificate from let’s encrypt. My website is: www.webuilder.co.uk. All the time I am receiving an error like this: Error My settings are like this: Ubuntu Virtualbox If any other information are required please let me know, help me solve this problem as I am struggling with it for … Read more

i install dns in centos machine but it not resolve ip to name and name to ip

I have some problem regarding DNS. I install DNS in CentOS 7 machine and my CentOS machine ip is 192.168.0.155 . If I run nslookup FQDN (centos7.unixmen.local) name then it resolves the IP, which means my forward zone is running, and my output is nslookup centos7.unixmen.local Server: 192.168.0.155 Address: 192.168.0.155#53 Name: centos7.unixmen.local Address: 192.168.0.155 but … Read more

Changing the default gateway address in Centos

I have a a Centos PC with 2 IP addresses. One of them is because of a back to back connection with another PC, so both run on different subnets. The eth0 has the 192.xx.xx.xxx address and eth2 has 172.xx.xx.xxx on this PC. Since 192.xx.xx.xxx is a back to back connection it doesn’t have internet … Read more