Osiemnaste_21
0 21 fiche michalesq
spørsmålet  |
svaret |
|||
|---|---|---|---|---|
|
list all available contexts existing in the system and files associated with them
|
semanage fcontext -l
|
|||
|
list all available contexts existing in the system and files associated with them optional, any subdirectory coming after / has the same contenx as parent directory in SELinux
|
(/.*)?
|
|||
|
restore context of the parent directory to the content
|
restorecon index. html
|
|||
|
which file has to exist to relabel files in the system
|
/.autorelabel
|
|||
|
How to apply context to the firectory?
|
semanage fcontex -a -t <context_t> '<directory(/.*)?>'
|
|||
|
restoring content recursively, verbosely
|
restorecon -Rv /content
|
|||
|
How to remove context?
|
seamange fcontex -d "<directory(/.*)?>"
|
|||
|
display boolean values
|
getsebool -a / semanage boolean -t
|
|||
|
enables homedirs in SELinux (not persistent)
|
setsebool httpd_enable_homedirs on
|
|||
|
enables homedirs in SELinux (persistent)
|
setsebool -P httpd_enable_homedirs
|
|||
|
How to install troubleshooter for selinux?
|
yum install setroubleshoot-server
|
|||
|
which file contains information about SELinux violations?
|
/var/log/audit/audit.log
|
|||
|
How to run troubleshooter?
|
sealert -a /var/log/audit/audit. log
|
|||
|
" Replaces one with unos in a case-insensitive manner, so it will print ""unos TWO"""
|
echo ONE TWO | sed "s/one/unos/I"
|
|||
|
A way to replace dos2unix:)
|
sed 'G; G' file. txt
|
|||
|
Delete all spaces in front of every line of file. txt
|
sed 's/^[^t]*//' file. txt
|
|||
|
Delete all spaces at the end of every line of file. txt
|
sed 's/[^t]*$//' file. txt
|
|||
|
Delete all spaces in front and at the end of every line of file. txt
|
sed 's/^[^t]*//; s/[^]*$//' file. txt
|
|||
|
Replace foo with bar only for the first instance in a line.
|
sed 's/foo/bar/' file. txt
|
|||
|
Replace foo with bar only for the 4th instance in a line."
|
sed 's/foo/bar/4' file. txt
|
|||
|
Replace foo with bar for all instances in a line.
|
sed 's/foo/bar/g' file. txt
|
|||
