Also, disk space and RAM are aplenty... Is there any way to tell *which* resource is unavailable? Brian Chabot
On Mon, Mar 10, 2014 at 10:19 AM, Brian Chabot <br...@brianchabot.org> wrote: > [user1@cent6.4box ~]$ ipcs -m > > ------ Shared Memory Segments -------- > key shmid owner perms bytes nattch status > 0x6c000803 98304 zabbix 600 995952 5 > > [user1@cent6.4box ~]$ ipcs -s > > ------ Semaphore Arrays -------- > key semid owner perms nsems > 0x00000000 0 root 600 1 > 0x00000000 65537 root 600 1 > 0x00000000 131074 root 600 1 > 0x7a000803 262147 zabbix 600 10 > > [user1@cent6.4box ~]$ > > > Nothing is jumping out at me here... > > > Brian > > Brian Chabot > > > On Mon, Mar 10, 2014 at 10:15 AM, Bruce Dawson <j...@codemeta.com> wrote: >> Check shared memory and semaphores. Its probable that some other >> application is swallowing the resource sudo needs. This is a common >> method of DOS attacks and 'bot nets. >> >> --Bruce >> >> On Mon, 2014-03-10 at 10:05 -0400, 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 has the following entries: >>> * soft nofile 100000 >>> * hard nofile 100000 >>> * soft nproc 8192 >>> * hard nproc 32767 >>> >>> The current usage for pengine is: >>> [user1@cent6.4box ~]$ ps -eLF | grep user2 | wc -l >>> 1108 >>> [user1@cent6.4box ~]$ lsof | grep user2 | wc -l >>> 1558 >>> [user1@cent6.4box ~]$ >>> >>> While these are the majority of the processes and files in use on the >>> system, they are nowhere near the limits. >>> >>> I even increased the limits 10-fold and that has not worked. >>> >>> I'm kind of lost here. Usually the error indicates files or processes >>> over the limit but here... not so much. >>> >>> Any ideas? >>> >>> >>> >>> Brian Chabot >>> _______________________________________________ >>> gnhlug-discuss mailing list >>> gnhlug-discuss@mail.gnhlug.org >>> http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ >> >> >> _______________________________________________ >> gnhlug-discuss mailing list >> gnhlug-discuss@mail.gnhlug.org >> http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ _______________________________________________ gnhlug-discuss mailing list gnhlug-discuss@mail.gnhlug.org http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
