Use VI command on Linux to modify a file content, found that can not save, each time the use of ": q!" command can exit normally but use ": wq!" When the command saves the file and exits, a message appears:
E212:can ' t open file for writing press
Workaround:sudo chattr-i fileIn the Perform chmod operation:sudo chmod a+x filechattr command to change file propertiesGrammar:Chattr (option)8 modes:A: Let the file or directory for additional purposes only; B: Do not update the last access time of
Http://www.eoeandroid.com/thread-148388-1-1.html
I want to delete the APK of the UC browser that comes with the system. When I run ADB remount on the terminal, the command terminal displaysRemount failed: operation not permittedADB
Linux command SU performs the following errorSu:cannot set Groups:operation not permitted
This error was said on the Internet because the/bin/su file was canceled, so the solution was chmod a+s/bin/suI still can't use the SU command after I execute
Running the NPM install command to install the dependency pack, on the Mac vagrant installed on the virtual machine is not a problem, on the Aliyun CentOS also no problem, but in the Windows environment is also the same vagrant installed environment
Objective
Recently found a problem, run the npm install command to install a dependency pack, on the Mac vagrant installed on the virtual machine is not a problem, on the Aliyun CentOS is not a problem, but in the Windows environment is also a
Redis Configuration Password1. Configuring with configuration FilesThe Yum-style installation of Redis profiles is typically in/etc/redis.conf, which opens the configuration file to find
#requirepass foobared
Remove the comment before
Error message:sudo pip Install cryptographyPassword: The directory '/users/wanghao/library/caches/pip/http ' or its parent directory was not owned by the current user and the CA Che has been disabled. Please check the permissions and owner for that
Linux file Max connections --- bash: ulimit: openfiles: cannotmodifylimit: Operationnotpermitted problem description: logon system error,-bash: ulimit: openfiles: cannotmodifylimit: Operationnotperm...
Linux file Max connections --- bash: ulimit:
Reprint Please specify source: http://blog.csdn.net/cywosp/article/details/40781569Swift before the version number 2.1.0 assumes that the configuration file for each service opens below configuration, and the system is not configured correctly there
New computer, install PHP php-protobuf framework extension, encountered some problems, recorded in this.
Enter Php-protobuf page Phpize as follows
grep: /usr/include/php/main/php.h: No such file or directorygrep:
1. Configure by configuration fileYum Redis configuration files are typically installed in/etc/redis.conf, open the configuration file to find
Remove the comment before the line and change the password to the required password to save
Reprint please indicate source: http://blog.csdn.net/cywosp/article/details/40781569Swift before version 2.1.0 if the configuration file for each service has the following configuration open and the system is not configured correctly there will be
A while ago, infra reported that the database server could not be connected through putty and securecrt. The error message is resource temporarily unavailable. Since there are almost 20 nstance on the server, it should be beyond the value currently
Bkjia.com tutorialThe following two conditions must be met for Remote Boot:DomainNetwork, and you know the MAC address of this machine. Secondly, your network card supports the network wake-up function. Of course, most network cards now support the
3: I am now learning how to use FreeBSD. Where should I start?
Resources for newbiesHttp://www.freebsd.org/projects/newbies.html
4: Where can I get the FreeBSD CD?Ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/
5: How should I install
Install MAMP after terminal input MySQL prompt
mysql-bash: mysql: command not found
Then make your own connection to/usr/bin, prompting no permission
# sudo ln -s /Applications/MAMP/Library/bin/mysql /usr/binln: /usr/bin/mysql: Operation not
This command is only used by root and is set to be valid for the root userchattr [+-=] Options file or directoryCommon Options Description:A: Atime (access time) of a file or directory cannot be modified (modified), which can effectively prevent the
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.