lukaszx0 / k8s-debug-container

Docker image to use as Kubernetes debug container

k8s-debug-container

Docker image to use as Kubernetes debug container

Usage

$ docker build . -t debug-tools

$ kubectl debug -it $POD_NAME --image=debug-tools:latest --target=$CONTAINER_NAME

Tools

• apt-get - set up with apt-transport-https and ca-certificates
• curl, vim, screen, tmux, jq - common, well known dev utilities.
• dnsutils - includes dig, nslookup, nsupdate.
• iputils-ping - includes ping.
• net-tools - includes arp, ifconfig, and netstat.
• tcpdump, traceroute, netstat-nat, netcat, socat, telnet - common networking tools.
• iproute2 - modern replacement for net-tools utils:

Legacy utility	Replacement command	Note
ifconfig	ip addr, ip link	Address and link configuration
route	ip route	Routing tables
arp	ip neigh	Neighbors
iptunnel	ip tunnel	Tunnels
nameif, ifrename	ip link set name	Rename network interfaces
ipmaddr	ip maddr	Multicast
netstat	ss, ip route	Show various networking statistics
brctl	bridge	Handle bridge addresses and devices

• strace, lsof - linux system debugging tools
• dstat - replacement for vmstat, iostat, netstat and ifstat.
• htop, atop - system monitoring tools
• openssl, gnupg, certigo - cryptography and SSL tools.