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selinux导致故障一例这样的报错还是第一次遇到，排查过程没有头绪，一直纠结在child setpgid这个地方，还好在google过程中看到有人在设置selinux的时候的相关案例，于是想到从这方面入手。原因为selinux开启导致的，但是比较诡异的是从别的terminal ssh 跳转过去之后无法执行任何操作，包括配置selinux，后来还是从后台远程管理口登陆上去之后设置并重启，彻底解决这个问题。-bash-4.3# ls-bash: child setpgid (16790 to 16790): Permission deniedls: cannot access RHEL6.2-20111117.0-Server-ppc64-DVD1.iso: Permission deniedls: cannot access rhel-server-6.2-x86_64-dvd.iso: Permission deniedls: cannot access install.log.syslog: Permission deniedls: cannot access anaconda-ks.cfg: Permission deniedls: cannot access install.log: Permission deniedanaconda-ks.cfg Documents install.log Music Public rhel-server-6.2-x86_64-dvd.iso VideosDesktop Downloads install.log.syslog Pictures RHEL6.2-20111117.0-Server-ppc64-DVD1.iso Templates-bash-4.3# su - streamsadmin-bash: child setpgid (16792 to 16792): Permission denied-bash: su: command not found-bash-4.3# top-bash: child setpgid (16793 to 16793): Permission denied top: failed tty set: Input/output error-bash-4.3# free -m-bash: child setpgid (16794 to 16794): Permission denied total used free shared buffers cachedMem: 129045 18018 111026 0 227 15605-/+ buffers/cache: 2186 126859Swap: 10239 0 10239-bash-4.3# cat .bash_profile-bash: child setpgid (16796 to 16796): Permission deniedcat: .bash_profile: Permission denied-bash-4.3# ls -l-bash: child setpgid (16803 to 16803): Permission deniedls: cannot access RHEL6.2-20111117.0-Server-ppc64-DVD1.iso: Permission deniedls: cannot access rhel-server-6.2-x86_64-dvd.iso: Permission deniedls: cannot access install.log.syslog: Permission deniedls: cannot access anaconda-ks.cfg: Permission deniedls: cannot access install.log: Permission deniedtotal 32-?????????? ? ? ? ? ? anaconda-ks.cfgdrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Desktopdrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Documentsdrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Downloads-?????????? ? ? ? ? ? install.log-?????????? ? ? ? ? ? install.log.syslogdrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Musicdrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Picturesdrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Public-?????????? ? ? ? ? ? RHEL6.2-20111117.0-Server-ppc64-DVD1.iso-?????????? ? ? ? ? ? rhel-server-6.2-x86_64-dvd.isodrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Templatesdrwxr-xr-x. 2 root root 4096 Dec 18 22:43 Videos-bash-4.3# -EOF-
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