버전 비교

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코드 블럭
linenumberstrue
# mysql -u pnetlab -p pnetlab_db
Enter password: pnetlab

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 7019
Server version: 5.7.42-0ubuntu0.18.04.1 (Ubuntu)

mysql> select * from control;
+-------------------+---------------+
| control_name      | control_value |
+-------------------+---------------+
| ctrl_alive_key    | QjZxcn...     |
| ctrl_default_mode | online        |
| ctrl_offline_mode | 1             |
| ctrl_online_mode  | 1             |
| ctrl_version      | 4.2.10        |
+-------------------+---------------+

mysql> SELECT * FROM users;
+-----+-------------------------+---------+-------------+------------+----------+---------+----------+------+-------------------------------+-------------+-------+---------+-------------+------+---------+-------------+
| pod | username                | cookie  | email       | expiration | password | session | ip       | role | folder                        | lab_session | html5 | license | online_time | note | offline | user_status |
+-----+-------------------------+---------+-------------+------------+----------+---------+----------+------+-------------------------------+-------------+-------+---------+-------------+------+---------+-------------+
|   1 | John Doe_online_account | 89..... | john@ex.com |         -1 | ........ | ....... | 10.0.0.5 | 0    | /Your labs from PNETLab Store |        NULL |     1 | Um..... |  1723433643 | NULL |       0 |           1 |
|   2 | admin                   | NULL    | NULL        |         -1 | ........ |       N | NULL     | 0    | NULL                          |        NULL |  NULL | NULL    |  1723433636 | NULL |       1 |           1 |
+-----+-------------------------+---------+-------------+------------+----------+---------+----------+------+-------------------------------+-------------+-------+---------+-------------+------+---------+-------------+

Kernel Patch

장비를 연결하는 것을 리눅스 브릿지를 통해 구현함

리눅스 브릿지의 기본 동작을 에뮬레이션 상황에 맞게 변경

https://github.com/dainok/unetlab/blob/master/patch/linux-lts-utopic-3.16.0.patch

https://github.com/dainok/unetlab-kernel/blob/master/patches/transparent-bridge.patch