2019-06-04

20190604

RT-N18U

https://busybox.net/downloads/binaries/1.26.2-defconfig-multiarch/

#busybox-armv4l --help
BusyBox v1.26.2 (2017-01-10 16:08:05 UTC) multi-call binary.
BusyBox is copyrighted by many authors between 1998-2015.
Licensed under GPLv2. See source distribution for detailed
copyright notices.

Usage: busybox [function [arguments]...]
   or: busybox --list[-full]
   or: busybox --install [-s] [DIR]
   or: function [arguments]...

 BusyBox is a multi-call binary that combines many common Unix
 utilities into a single executable.  Most people will create a
 link to busybox for each function they wish to use and BusyBox
 will act like whatever it was invoked as.

Currently defined functions:
 [, [[, acpid, add-shell, addgroup, adduser, adjtimex, arp, arping, ash, awk, base64, basename, beep, blkdiscard, blkid,
 blockdev, bootchartd, brctl, bunzip2, bzcat, bzip2, cal, cat, catv, chat, chattr, chgrp, chmod, chown, chpasswd, chpst,
 chroot, chrt, chvt, cksum, clear, cmp, comm, conspy, cp, cpio, crond, crontab, cryptpw, cttyhack, cut, date, dc, dd,
 deallocvt, delgroup, deluser, depmod, devmem, df, dhcprelay, diff, dirname, dmesg, dnsd, dnsdomainname, dos2unix, dpkg,
 dpkg-deb, du, dumpkmap, dumpleases, echo, ed, egrep, eject, env, envdir, envuidgid, ether-wake, expand, expr, fakeidentd,
 false, fatattr, fbset, fbsplash, fdflush, fdformat, fdisk, fgconsole, fgrep, find, findfs, flock, fold, free, freeramdisk,
 fsck, fsck.minix, fstrim, fsync, ftpd, ftpget, ftpput, fuser, getopt, getty, grep, groups, gunzip, gzip, halt, hd, hdparm,
 head, hexdump, hostid, hostname, httpd, hush, hwclock, i2cdetect, i2cdump, i2cget, i2cset, id, ifconfig, ifdown, ifenslave,
 ifplugd, ifup, inetd, init, insmod, install, ionice, iostat, ip, ipaddr, ipcalc, ipcrm, ipcs, iplink, ipneigh, iproute,
 iprule, iptunnel, kbd_mode, kill, killall, killall5, klogd, less, linux32, linux64, linuxrc, ln, loadfont, loadkmap,
 logger, login, logname, logread, losetup, lpd, lpq, lpr, ls, lsattr, lsmod, lsof, lspci, lsusb, lzcat, lzma, lzop, lzopcat,
 makedevs, makemime, man, md5sum, mdev, mesg, microcom, mkdir, mkdosfs, mke2fs, mkfifo, mkfs.ext2, mkfs.minix, mkfs.vfat,
 mknod, mkpasswd, mkswap, mktemp, modinfo, modprobe, more, mount, mountpoint, mpstat, mt, mv, nameif, nanddump, nandwrite,
 nbd-client, nc, netstat, nice, nmeter, nohup, nsenter, nslookup, ntpd, od, openvt, passwd, patch, pgrep, pidof, ping,
 ping6, pipe_progress, pivot_root, pkill, pmap, popmaildir, poweroff, powertop, printenv, printf, ps, pscan, pstree, pwd,
 pwdx, raidautorun, rdate, rdev, readahead, readlink, readprofile, realpath, reboot, reformime, remove-shell, renice, reset,
 resize, rev, rm, rmdir, rmmod, route, rpm, rpm2cpio, rtcwake, run-parts, runsv, runsvdir, rx, script, scriptreplay, sed,
 sendmail, seq, setarch, setconsole, setfont, setkeycodes, setlogcons, setserial, setsid, setuidgid, sh, sha1sum, sha256sum,
 sha3sum, sha512sum, showkey, shuf, slattach, sleep, smemcap, softlimit, sort, split, start-stop-daemon, stat, strings,
 stty, su, sulogin, sum, sv, svc, svlogd, swapoff, swapon, switch_root, sync, sysctl, syslogd, tac, tail, tar, tcpsvd, tee,
 telnet, telnetd, test, tftp, tftpd, time, timeout, top, touch, tr, traceroute, traceroute6, true, truncate, tty, ttysize,
 tunctl, ubiattach, ubidetach, ubimkvol, ubirename, ubirmvol, ubirsvol, ubiupdatevol, udhcpc, udhcpd, udpsvd, uevent,
 umount, uname, unexpand, uniq, unix2dos, unlink, unlzma, unlzop, unshare, unxz, unzip, uptime, usleep, uudecode, uuencode,
 vconfig, vi, vlock, volname, watch, watchdog, wc, wget, which, whoami, whois, xargs, xz, xzcat, yes, zcat, zcip

2019-06-02

20190602

letsencrypt wildcard
dehydrated dns-01 challenge+ duckdns txt record

dns.conf
CA="https://acme-v02.api.letsencrypt.org/directory"
CHALLENGETYPE="dns-01"
HOOK="/etc/dehydrated/hooks.d/duckdns.sh"
HOOK_CHAIN="yes"

duckdns.sh
...
    "deploy_cert")
        sleep 4
        ;;
...


/etc/dehydrated/dehydrated --config /etc/dehydrated/dns.conf -c  -d "yourdomain.com *.yourdomain.com" --alias wildcard.yourdomain.com