lukaszx0/k8s-debug-container

Docker image to use as Kubernetes debug container

ShellMIT

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.