Can't access exe symlinks in centos 6.6 on docker -


i'm trying access /proc/< pid >/exe symlink on centos 6.6 i'm geting 

ls: cannot access /proc/57/exe: permission denied

my dockerfile 

from centos:6  # install base packages run yum -y update run yum -y groupinstall "development tools" run yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-    devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel run yum -y install wget run wget http://python.org/ftp/python/2.7.6/python-2.7.6.tar.xz run yum -y install tar run tar -xf  python-2.7.6.tar.xz  run cd python-2.7.6 && ./configure --prefix=/usr/local --enable-unicode=ucs4 --enable-shared ldflags="-wl,-rpath /usr/local/lib" run cd python-2.7.6 && make run cd python-2.7.6 && make altinstall  # first setup script setuptools: run wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py # install python 2.7 and/or python 3.3: run python2.7 ez_setup.py # install pip using newly installed setuptools: run easy_install-2.7 pip  #lxml run yum -y install python-devel libxml2-devel libxslt-devel run pip install lxml   run pip install pytest run yum install -y gcc-c++ run pip install protobuf run yum install -y rpm-build

this happens process. in advance.


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