Wget and curl can work normally, but ping fails
When I ping www.google.com and 8.8.8.8, I get no reply:
networking
Connecting to a network via another pc
What’s a simplistic recipe to connect my PC to my WLAN through my laptop?
What does “[email protected]” mean in interface name in output of “ip address” command on Ubuntu
What does at sign (@) mean in interface name in output of “ip address” command (or the “ip link” command) on Ubuntu, for example interface name “[email protected]” in the following output:
SSH session through OpenVPN cuts off / locks up after a few lines
I have a large number of identical fanless PCs running debian 6 (ARM). Most of these are connected via comcast and work ok. There are some that are connected to ‘WiMax’ modems and are having communication issues.
how to unshare network for current process
It’s possible to run a new command without network access as non-root using unshare -r -n, for example:
Linux VLAN-aware bridges and trunk ports
I have an ethernet port attached to a bridge:
How to set a routing table that prefers wlan dhcp interface as default route?
eth0 has a static IP set in /etc/interfaces
Editing my /etc/hosts.deny
I’m being trolled by China, and don’t know why I can’t block their request to my server.
Route SSH to host through interface
Is it possible to route all outgoing requests for SSH (port 22) to mydynamicdns.afraid.org via wlan0 instead of eth0 when both are connected?
Using custom tables in nft
I have a Fedora 31 system on which I am using iptables-nft. I need this because there is still a bunch of software that expects the legacy iptables command line tools. This means that my nftables configuration has the corresponding set of tables to match the legacy configuration: