| Dotted | how do you create a new user on ubuntu 10.10 with a blank password? all my attempts using passwd, editing /etc/passwd and /etc/shadow has "su" still asking for a password even if its blank | 00:18 |
|---|---|---|
| flaccid | Dotted: use sudo with the ubuntu user and adduser | 00:24 |
| Dotted | the user is already created | 00:25 |
| flaccid | what shell does the user have in /etc/passwd? | 00:25 |
| Dotted | /bin/bash | 00:32 |
| flaccid | are you doing su from root? | 00:33 |
| Dotted | yeah from an init script | 00:33 |
| Dotted | http://www.minecraftwiki.net/wiki/Server_startup_script#Script | 00:33 |
| flaccid | check logs to see what the issue is i guess | 00:33 |
| flaccid | maybe it needs to be a system user or something | 00:34 |
| flaccid | add -x to the init script to see how it bombs out too | 00:34 |
| flaccid | someone needs to package that software | 00:35 |
| Dotted | http://pastie.org/1637811 | 00:41 |
| flaccid | [ root == ubuntu ] is incorrect bash syntax | 00:44 |
| flaccid | causes [: 1: root: unexpected operator | 00:44 |
| flaccid | also it does su to ubuntu user after that and not root user | 00:44 |
| flaccid | thats intentional but yeah. this is not a good init script at all. | 00:45 |
| Dotted | well ideally it would su to minecraft user, just used ubuntu here for testing | 00:45 |
| flaccid | if [ "$ME" == "$USERNAME" ] ; then should be if [ "$ME" = "$USERNAME" ] ; then | 00:47 |
| Dotted | http://pastie.org/1637831 | 00:50 |
| flaccid | run su - ubuntu -c cd /home/ubuntu/minecraft and also screen -dmS minecraft java -Xmx1024M -Xms1024M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=1 -XX:+AggressiveOpts -jar minecraft_server.jar nogui | 00:54 |
| flaccid | then check ps | 00:54 |
| flaccid | at least one of the processes is dying thus why if ps ax | grep -v grep | grep -v -i SCREEN | grep $SERVICE > /dev/null fails | 00:54 |
| flaccid | though this is all the wrong way to do this stuff but meh.. | 00:55 |
| Dotted | Password: | 01:04 |
| Dotted | su: Authentication failure | 01:04 |
| Dotted | and thats the problem in a nutshell, despite blank password it still asks for it | 01:05 |
| Dotted | happends on both ubuntu and minecraft user | 01:05 |
| flaccid | that would be expected. its meant to be run under root. | 01:06 |
| Dotted | minecraft_server.jar is meant to be run as root? | 01:07 |
| Dotted | that seems highly unlikely | 01:08 |
| flaccid | no the init script. as you can see there is a USERNAME variable and it uses su -c to run it under this username | 01:17 |
| flaccid | you won't be able to su properly without root | 01:17 |
| flaccid | su != sudo | 01:17 |
| Dotted | well the init script is already run as root | 01:20 |
| Dotted | sudo sh -x /etc/init.d/minecraft start | 01:21 |
| flaccid | su to root. then see if you can su to the user you want to su to, if it succeeds well.. | 01:21 |
| flaccid | if you are doing su as root, afaik, it should never ask for a password.. | 01:23 |
| flaccid | i guess maybe need to check something like /etc/pamd.d/su though | 01:23 |
| flaccid | you might like to also ask in #ubuntu and ##bash as this isn't really cloud related. | 01:24 |
| Dotted | didnt get a response in #ubuntu, anyways getting too late for me, thanks for all your help | 01:26 |
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