linux implements flexible special privilege management ACL, and ACL privilege judgment order!
Why use ACL? In linux, we can use "ll filename" to view the permissions of files.
[root@Centos6 ~]# ll 1.txt
---x-wxr-x. 1 zhangsan zhangsan 9 Jul 19 13:47 1.txt
[root@Centos6 ~]# getent group zhangsan
zhangsan:x:522:
[root@Centos6 ~]# chmod 770 1.txt
[root@Centos6 ~]# ll 1.txt
-rwxrwx---. 1 zhangsan zhangsan 9 Jul 1 ...
Posted by JAB Creations on Sun, 12 May 2019 00:54:54 -0700
AIX 7.1 Configure NFS Notes
Server AIX 7.1, address: 10.72.254.101
Client Redhat6 address: 10.72.254.198
Firstly, confirm that nfs service is running normally. (Services for nfs under Aix: portmap, nfsd, biod, rpc.lockd, rpc.statd, rpc.mountd)
lssrc -s portmap # View portmap services
lssrc -g nfs # View NFS services
mknfs -N # Start nfs service
star ...
Posted by gtibok on Fri, 29 Mar 2019 05:36:30 -0700
Ambari installation client error reporting OSError:[Error 17] File exists
During Ambari's new cluster expansion process, one node installed multiple client s to report errors
Traceback (most recent call last):
File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/hook.py", line 37, in <module>
AfterInstallHook().execute()
File "/usr/lib/python2.6/site-packages/resource_managem ...
Posted by stratguitar on Sun, 10 Feb 2019 14:48:17 -0800
A gitlab can not use ssh login to solve the problem
Fault phenomena:
[root@web-m data]# git clone ssh://git@gitlab.lixinkuan.com:22022/lxk/core.git
Cloning into 'core'...
git@gitlab.lixinkuan.com's password:
Permission denied, please try again.
git@gitlab.lixinkuan.com's password:
Permission denied, please try again.
git@gitlab.lixinkuan.com's password:
Permission denied (publickey,gssapi-ke ...
Posted by Hikari on Sat, 26 Jan 2019 00:33:14 -0800
Android closes permissions in application settings and returns to lifecycle processing
problem
In dealing with the 6.0 runtime permissions, many people have overlooked such a problem:
In an App application, if you have allowed a privilege such as (read communication privilege), call the camera at this moment, pop up the privilege application dialog box, click reject at this moment, and then pop up after processi ...
Posted by cybersurfur on Mon, 21 Jan 2019 09:27:13 -0800
PostgreSQL create extension with schema pg_catalog privilege exception case
Label
PostgreSQL , create extension , pg_catalog
background
pg_catalog is the default metadata schema for PostgreSQL, where all metadata is located.
On the other hand, the pg_catalog schema is in the search_path by default and cannot be deleted, and its priority ranks ahead of all schemas.
For example, there are two renamed pg_classes in ...
Posted by webaddict on Sat, 22 Dec 2018 19:00:10 -0800