/************************************************************************************ * I.MX6 give su command more permission * 说明: * 看一下Android su命令默认权限情况. * * 2017-5-26 台湾 中和区 曾剑锋 ********************************************************************…

https://bbs.archlinux.org/viewtopic.php?id=105541 New user created as: groupadd mygroupuseradd -s /bin/bash -g myuser -m -k /dev/null myuser When trying to log in: [root@baraka ~]# su - myusersu: /bin/bash: Permission denied Solution: chmod 755 /chmo…

>客户一个oracle突然当机了,由于业务启动,客户下意识的重启了服务器,系统是起来了,准备切换到oracle用户下启动数据库,可以怎么都无法su切换,真是火上浇油呀,描述如下: 在root用户下,su到一个普通用户oracle,得到如下错误: [root@localhost ~]# su -  oracle su: warning: cannot change directory to /home/oracle: Permission denied su: /bin/bash: Permiss…

创建新用户后无法切换 su: failed to execute /bin/bash: Permission denied   当使用 su username 从root切换用户时显示 su: failed to execute /bin/bash: Permission denied (也有人显示的是su: /bin/bash: Permission denied)   此时使用 chmod 755 / 或 chmod 755 /bin 再次尝试切换即可(注:赋权一般使用root用户)   其…

问题整体情况为使用docker做mysql的容器,然后结合其他服务一起通过docker-compose启动,并且为了一次性建表和设置用户权限我又在mysql中封装了setup.sh.schema.sql.privileges.sql这些自定义的脚本,在Dockerfile构造时执行,到目前为止都是正常的. 但是由于每次down掉容器后,mysql的数据会丢失无法持久化,所以在docker-compose.yml中配置了volume参数,然后就产生了如下的报错,包括调试过程中的报错. 首先列几个可…

I passionately enjoy working with commands as they offer more control over a Linux system than GUIs(Graphical User Interfaces) applications, therefore am always on the look out to discover or figure out interesting ways and ideas to make Linux so eas…

Using su The  su  command allows users to open a terminal window, and from that terminal start a sub shell in which the user has another identity. To perform administrative tasks, for instance, you can log in with a normal user account and type  su …

[root@test_node1 ~]# crontab -lno crontab for root[root@test_node1 ~]# cd /home/[root@test_node1 home]# ll-bash: /bin/ls: Permission denied[root@test_node1 home]# ls -l-bash: /bin/ls: Permission denied =================================== http://blog.…

libusb for Android================== Building:--------- To build libusb for Android do the following: 1. Download the latest NDK from:    http://developer.android.com/tools/sdk/ndk/index.html 2. Extract the NDK. 3. Open a shell and make sure there ex…

Welcome to Linux world! Introduction and Basic commands--Part one J.C 2018.3.11 Chapter 1 What Is Linux? Linux is a Unix-like open source operating system. At the core of the operating system is the Linux kernel. It acts as the intermediary between t…