Find
Find Lookup Scope parameters
Example: Find/-name ' *.txt* '
1. Wildcard characters can be used;
2.-perm: Used to find files with a specific set of permissions;
Example: find-perm-004 (-represents matching each,/represents matching one of them)
3.-size: The representative knows the file size
Example: Find-size 10M (+ represents greater than,-represents less than)
4.-mmin: Plus minutes to represent time
Example: find-mmin-120(+ represents greater than,-represents less than)
5.-type: Representative type (f: File D: Directory L: Soft link B: Block device)
Example: Find/etc-type F
6.-links: Add a number on the option to find all files with a specific number of hard links
Example: Find/type f-links-1
7. Can add-exec adding operation
Example: Find/etc-name *.conf-exec cp {}/root/backup \;
(\; End format is fixed)
Case:
After you create a user delete user, you can no longer create;
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Into the/home/myuser found and did not delete clean;
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The search is completely deleted by looking at the ID of MyUser;
Use command: Find/uid 1002-exec rm-rf {} \;
You can create it after you have completely deleted it.
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Yum Source (take the virtual machine on VMware as an example):
1.cd/etc/yum.repo.d
2.vim Myrepo.repo
[Reponame]
Name=my Repo
Baseurl=file:///mnt/cdrom
enabled=1
Gpgcheck=0(not checked)
(or you can generate it yourself by Yum-config-manager--add-repo=file:///mnt/cdrom, but you'll need to go inside the repo file to add the Gpgcheck option)
3.yum Clean All
4.yum Makecache (Clear Cache)
5.yum-y Install httpd (-y means no more queries during installation)
6.rpm-qa | grep httpd
7.RPM-E httpd (uninstall)
Attached:RPM package Format: httpd-2.4.6-7.el7.x86_64.rpm
HTTPD: Package Name
2.4.6:2: Major version number; 4: Minor version number (odd in development, even more stable); 6: Modified version
7: Internal revision, seventh time
EL7: Forget it.
X86_64: Architecture
This article is from the "11773640" blog, please be sure to keep this source http://11783640.blog.51cto.com/11773640/1870033
Find usage, yum configuration