open source operating system for pc

Failed to open the physical file MDF. Operating System Error 5: "5 (Access denied .) " Environment: SQL Server 2008 R2 problem: "The physical file MDF cannot be opened" is reported when a database is attached. Operating system error: (Access denied ). Solution: Right-cl

Label:When attaching a database with the T-SQL command, the following exception message appears:Unable to open physical file Xxx.mdf ". Operating system error 5: "5 (Access denied. )"。 (Microsoft SQL Server, error: 5120)Solution:Find XXX. MDF and Xxx_log. LDF file, right-properties-security-Add authenticated users-at the group or user name to change the group per

"Search"-"replace", enter totem Replace with Gnome-mplayer or SMPlayer, click the "Replace" button and then Ctrl+s Save, Complete ~!In addition, Sogou pinyin out of the Linux version, need to be installed in Fcitx, than IBUs Sunpinyin easy to use, the word library is rich, using the habit is also very paired, is said to be Ubuntukeylin standard input method, recommended installed.If you have other input methods installed, you can set the default input method with this command:$ im-switch-s FCIT

I recently compiled the source code of the Android operating system based on the information I saw. The result is successful, but the process is tortuous. The first thing I want to talk about is the prerequisites. This is very important, at first, I took a lot of detours because I didn't meet the prerequisites.1, get the latest Android

Detach the attached database today, detach it and attach it again, no problem. But a. mdf file is copied to the other folder and an error is as follows:The physical file "E:\db\homework.mdf" could not be opened. Operating system error 5: "5 (Access denied. )"。 (Microsoft SQL Server, error: 5120)Asked a friend, friend said to find the. mdf file to change the security permissions of the file.It took a while t

, which may lead to incompatibility and conflict. For the old PC hardware, most 486 machines or earlier models, the BIOS has some extremely annoying restrictions. they cannot read the space of the hard disk that exceeds the first 512 MB. of course, this is not a big problem for Linux, because as long as Linux can boot, it will use Linux's own disk IO, skipping the BIOS call. however, to enable these old machines to boot Linux, the Linux kernel must be

Universal DIY design software + online custom mall system source code-Open Source Chinese community 1. decompress the zip package to the website root directory (if there are other projects under this directory, create a folder and decompress it to the new folder ); 2. access the root directory of the website and ins

There are ab two servers, the format of the hard disk is nfts, the database of a server after the transfer to B server, and then restore the database on the B server when the backup file is not found, in fact, the file exists, such as:If you enter the backup file directly, you will be prompted with the following conditions:This problem occurs because of disk access permissions, and if you do not want to handle that much, there is one of the most stupid ways:First in the B server randomly set up

also supports many other network protocols, including the code of the AppleTalk protocol, which allows Linux units to communicate freely with Macintosh machines. The Novell network protocol, that is, the Network Packet Exchange (IPX ), group message Exchange (SPX) and NetWare Core Protocol (NCP); new version of IP protocol IPv6 and some other less famous protocols. The last aspect of compatibility is hardware compatibility. It seems that every uncommon graphics card, small-market Nic, non-stan

good anti-virus and security performance, which is also an important reason for users to use it.Linux has become a substitute for UNIX systems on personal computers, inheriting many of the advantages of UNIX. But the current performance has begun to gradually replace the UNIX operating system to occupy the server market. However, in one way, UNIX is gradually moving closer to Linux, and UNIX vendors, inclu