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