aix:aix_debug
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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aix:aix_debug [2022/10/11 11:13] manu |
aix:aix_debug [2022/10/24 13:23] (current) manu [Debug PAM] |
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| Line 51: | Line 51: | ||
| # stopsrc -s syslogd | # stopsrc -s syslogd | ||
| # startsrc -s syslogd | # startsrc -s syslogd | ||
| + | </cli> | ||
| + | |||
| + | ==== Debug SSH connection ==== | ||
| + | |||
| + | To start a ssh server in debug mode (will stop after first connection) | ||
| + | <cli prompt='#'> | ||
| + | # stoprs -s sshd | ||
| + | # /usr/sbin/sshd -p 22 -d | ||
| + | </cli> | ||
| + | |||
| + | Start the client in debug mode | ||
| + | <cli prompt='#'> | ||
| + | # ssh -vvv user@server1 | ||
| </cli> | </cli> | ||
| Line 85: | Line 98: | ||
| For info, only the 3 first DNS are answered, even if more are availble int /etc/resolv.conf | For info, only the 3 first DNS are answered, even if more are availble int /etc/resolv.conf | ||
| <cli prompt='#'> | <cli prompt='#'> | ||
| + | [root@labosrv]/root# RES_OPTIONS=debug host myhost01 | ||
| + | ;; res_setoptions("debug", "env").. | ||
| + | ;; debug | ||
| + | ;; calling process id = 20840598 | ||
| + | ;; res_nquerydomain(myhost01, test.lu, 1, 1) | ||
| + | ;; res_query(myhost01.test.lu, 1, 1) | ||
| + | ;; res_nmkquery(QUERY, myhost01.test.lu, IN, A) | ||
| + | ;; res_send() | ||
| + | ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7136 | ||
| + | ;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 | ||
| + | ;; myhost01.test.lu, type = A, class = IN | ||
| + | ;; Querying server (# 1) address = 10.10.10.100 | ||
| + | ;; got answer: | ||
| + | ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7136 | ||
| + | ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 | ||
| + | ;; myhost01.test.lu, type = A, class = IN | ||
| + | myhost01.test.lu. 1M IN A 172.19.28.37 | ||
| + | test.lu. 1M IN NS dns.test.lu. | ||
| + | dns.test.lu. 1M IN A 10.10.10.100 | ||
| + | myhost01.test.lu is 10.10.10.37 | ||
| </cli> | </cli> | ||
aix/aix_debug.1665479639.txt.gz ยท Last modified: 2022/10/11 11:13 by manu
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