su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Brian Chabot
I'm trying to su to a user on a CentOS 6.4 x86_64 box and get the error in the subject: [user1@cent6.4box ~]$ sudo su - user2 su: cannot set user id: Resource temporarily unavailable [user1@cent6.4box ~]$ The limits.conf file has the following entries

Re: su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Bruce Dawson
the error in the subject: [user1@cent6.4box ~]$ sudo su - user2 su: cannot set user id: Resource temporarily unavailable [user1@cent6.4box ~]$ The limits.conf file has the following entries: * soft nofile 10

Re: su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Mark Komarinski
Might be semaphores? On 3/10/2014 10:05 AM, Brian Chabot wrote: I'm trying to su to a user on a CentOS 6.4 x86_64 box and get the error in the subject: [user1@cent6.4box ~]$ sudo su - user2 su: cannot set user id: Resource temporarily unavailable [user1@cent6.4box ~]$ The limits.conf file

Re: su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Brian Chabot
: I'm trying to su to a user on a CentOS 6.4 x86_64 box and get the error in the subject: [user1@cent6.4box ~]$ sudo su - user2 su: cannot set user id: Resource temporarily unavailable [user1@cent6.4box ~]$ The limits.conf file has the following entries

Re: su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Ken D'Ambrosio
On 2014-03-10 10:05, Brian Chabot wrote: I'm trying to su to a user on a CentOS 6.4 x86_64 box and get the error in the subject: [user1@cent6.4box ~]$ sudo su - user2 su: cannot set user id: Resource temporarily unavailable [user1@cent6.4box ~]$ This is where, when desperate, I whip out

Re: su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Mark Komarinski
On 3/10/2014 10:20 AM, Brian Chabot wrote: Also, disk space and RAM are aplenty... Is there any way to tell *which* resource is unavailable? Brian Chabot Two other thoughts: - Is SELinux enabled? Check the logs and see if there's anything strange there. - try using strace to see which

Re: su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Michael ODonnell
Another vote for strace. Depending on circumstances I sometimes first startup a separate session thus: script /tmp/tediousDebugSession.log ...and then just allow the strace+program command to let fly via stdout. It can be a mess but having program output intermixed with the resultant

Re: su: cannot set user id: Resource temporarily unavailable

2014-03-10 Thread Shawn O'Shea
Not directly related to the issue, but I thought I'd not that you don't have to have sudo exec an su with the sudo su - user, you can get an interactive shell from sudo directly: sudo -i -u user -i says you want an interactive login shell. If you don't specify -u username then it assumes root.