User:Tom/RHCSA EX200: Difference between revisions
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context contains a type or domain and a security level with subject and object information | context contains a type or domain and a security level with subject and object information | ||
-u user, _r role, _t domain | -u user, _r role, _t domain | ||
Domain transitioning allows a proces in one domain to enter another domain to execute an application authrized to run in that domain only, a proper rule must exist to support such a transition. | |||
======Commands====== | ======Commands====== | ||
id -Z View context set on Linux user | id -Z View context set on Linux user | ||
ls -Z Determine context for files | |||
ps -eZ Determine context on processes | ps -eZ Determine context on processes | ||
seinfo -u List available SELinux users | seinfo -u List available SELinux users | ||
Revision as of 11:49, 9 November 2015
Hoofdstuk 10 Constructing and using filesystems and swap
Filesystem administration commands. e2fsck fsck.ext3 fsck.ext4 mke2fs mkfs.xfs resize2fs tune2fs
Commands common to all filesystems. blkid - Used to dermine UUID of a partition / logical volume / filesystem mount umount
UUID universally Unique IDentifier
Swap Space
free -h
Hoofdstuk 11 Controlling Access thtough Firewall and SELinux
SELinux
context for subjects and objects context contains a type or domain and a security level with subject and object information -u user, _r role, _t domain
Domain transitioning allows a proces in one domain to enter another domain to execute an application authrized to run in that domain only, a proper rule must exist to support such a transition.
Commands
id -Z View context set on Linux user ls -Z Determine context for files ps -eZ Determine context on processes seinfo -u List available SELinux users semanage
Packages
setools-console contains seinfo command