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10 Cards in this Set

  • Front
  • Back
SELinux Troubleshooting
man -k selinux
View SELinux permissions
ps -Z
ls -Z
semanage fcontext -l
Managing File Contexts
chcon [-R] -t public_content_t (file)
restorecon -vvF (file)

Add new mapping:
semanage fcontext -a -l public_content (file)
man semanage
Managing SELinux Booleans
getsebool -a
setsebool [-P] (boolean) (on:off)
system-config-selinux
Managing Partitions
fdisk -l
fdisk (device)
partprobe
Label Filesystem
mkfs.ext3 -L (label) (device)
e2label device label
mount LABEL=(label) (mount point)
Make Swap
mkswap -L (label) (device/partition)
swapon -a (reads /etc/fstab)
swapon -s (checks status)
RAID Administration
mdadm
mdadm -c /dev/md0 -a yes -l 1 -n2 -x1 (devices...)

-l - RAID level
-n - # of RAID Disks

mkfs /dev/md0

mdadm --detail
cat /proc/mdstat
RPM Key Import
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
RPM Verify
rpm -V - verify installed files
rpm --checksig - check rpm file