在最新的2.6.29内核中,对get_user_pages做了一个改善,主要就是颗粒问题,以前的实现中,在get_user_pages之后才可以处理诸如“本进程已经死亡”的信息,这样的话就做了很多无用功,这在古老的系统问题不大,但是现在都是大并发大负载的系统,任何处理都要很大的付出,因此在目前的情况下,必须改善一些情况。试想一种情...
Linux2.6.29内核的get_user_pages的改进 在最新的2.6.29内核中,对get_user_pages做了一个改善,主要就是颗粒问题,以前的实现中,在get_user_pages之后才可以处理诸如“本进程已经死亡”的信息,这样的话就做了很多无用功,这在古老的系统问题不大,但是现在都是大并发大负载的系统,任何处理都要很大的付出,因此在目...
I'm trying to install something and it's throwing me an error: Permission denied when I try to run make on it. I'm not too fond of the universal rules of unix/linux and not too fond of user rights either. My best guess is that the user I'm logged in as does n...
First need to configure th gvfs daemon configuration to allow user access: 1.Edit the gvfsd.conf file located in the /etc/gvfs/ directory. This file contains the configuration settings for the gvfs daemon. Locate the line that starts with "#user" and remove the "#" charact...
[user@---]$ sudochmod-R a+x /[directory containing my_script.sh]chmod: changing permissions of'my_script.sh': Operation not permitted https://linux.die.net/man/1/chattr It prevents any user including the root from modifying or deleting a file. You can dochattr -it...
Minimal reproducible example https://github.com/expo/expo/tree/master/packages/expo-location Summary When getForegroundPermissionsAsync on the browser the browser is asking for user location permission straight away. Instead it should on...
I fiddled with the settings of the usb file until eventually: # getfacl /dev/bus/usb/002/014 getfacl: Removing leading '/' from absolute path names # file: dev/bus/usb/002/014 # owner: root # group: root user::rwx group::r-- mask::rwx other::rwx Your workaround wasn't ...
Create AD user is sub OU Create All User Logon Scheduled Task Create and configure a shared printer in a GPO with powershell Create CSV for list of files and folders Create folder with current timestamp using powershell Create folders from CSV create hidden shares and set share permissions Cr...
trying to edit directory ACLs in order to get write permissions for regularmyuser‘i正与其登录(非根用户))getfaclgetfaclgetfaclgetfaclLinux 4.11.9-1-ARCH #1 SMP抢占Wed Jul 5 18:23:08 CEST 2017 x86_64 GNU/Linux systemctl status udisks2 浏览0提问于2017-07-18得票数 1 ...
public FileStatus getFileStatus(Path f) throws IOException;will additionally return the user, group and mode associated with the path. 然后,用户或者文件的模式受到umask的限制(译注umask是linux的一个环境变量,顾名思义就是用户掩码,是用于设置目录文件的权限,可能是屏蔽也可能是赋予,需要看情形)。