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- How can I configure my DNS settings on Debian 12?
I'm trying to change my DNS settings on my Debian 12 VPS, and by this I mean, I want to use a public resolver like 1 1 1 1 instead of my VPS host's resolver I remember in Debian 11 I could just ed
- debian - ISC DHCP client (dhclient) alternative? - Server Fault
apt install dhcpcd-base apt remove isc-dhcp-client isc-dhcp-common systemctl restart networking To manually renew a lease, you can run dhcpcd -n [INTERFACE], according to this Debian Manpage and the Gentoo Wiki page about dhcpcd Notes Check if you have any custom special configuration for dhclient in the directory etc dhcp
- How can I list my open ports on Debian? - Server Fault
What is the command to display a list of open ports on a Debian server? I tried netstat -a | egrep 'Proto|LISTEN' but I would like something more specific that actually lists the port number
- networking - How do I force Linux to reacquire a new IP address from . . .
The environment is Debian, although the answer will apply to all distributions
- debian - How to set the domain name on GNU Linux? - Server Fault
Set FQDN I'm using Debian 7 and this is what worked for me; thanks to Fernando Ribeiro sudoedit etc hostname server # here's where you put the server's host name activate hostname sudo hostname -F etc hostname add domain name and address to the server sudoedit etc hosts 192 168 1 2 server domain server VERIFY > hostname --short server > hostname --domain domain > hostname --fqdn server
- linux - How do I verify the speed of my NIC? - Server Fault
For Debian based systems, ethtool is not installed by default But mii-tool is, as part of the essential "net-tools" package So this was the best solution for me
- debian - Curl SSL Certificate: unable to get local issuer certificate . . .
As you have seen, you can't access ca-certificates crt The curl command tries to access the certificate bundle with your user, but fails You can fix this by using chmod 755 may be used in this case, as certificate bundles are not sensitive files
- debian - Best location to keep SSL certificates and private keys on . . .
This post is geared toward Ubuntu (Debian) + Apache, but should work on most systems Just apply the permissions and update location path in given config (apache nginx etc)
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