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Sudoers file parsing and sudoers Parsing Category: LINUX Today, a common user is added to the user group, and the user does not have sudo permissions. Therefore, the sudo configuration file is modified through sudo logs do and the root permission is granted to the common user. Later I thought about changing the access permission of the/etc/sudoers file to 777, and then editing the file directly. So I did not want to do that either. After the change, I found that I had dug a hole for myself and k

Solve the is not in the sudoers file problem in Ubuntu, using tusudoers In Ubuntu12.04, when sudo apt-get install XXX is used, the username is not in the sudoers file problem suddenly exists. Then I checked the username type, which is a standard user instead of an administrator user. There are at least two ways to solve this problem: I. System Settings-> User Accounts-> click Unlock-> enter the root password-> change AccountType to Administrator (Administrator)-> restart II Under the

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Windows 8.1 RTM has been released. After downloading it today, I upgraded my Windows 8 x64 Enterprise Edition to Windows 8.1 Enterprise Edition. It took about one hour to complete the upgrade, after the upgrade, sogou has five retries and needs to be re-installed. In addition, you need to set Office 2013 and Visio 2013. Like Windows 8, the desktop is retained. Next, let's take a look at the upgrade.1. Upgrade to Windows 8.1 1) The operating system before installation is Windows 8 Enterprise Edit

"forHTTPHeaderField: @" content-type "]; // request Header NSData * returnData = [NSURLConnection sendSynchronousRequest: request returningResponse: nil error: nil]; NSString * result = [[NSString alloc] initWithData: returnData encoding: NSUTF8StringEncoding]; NSMutableDictionary * addressDic = [result objectFromJSONString]; // send a request asynchronously, after the operation is successful, the data returned by the server // The returned data will be returned with different Encoding Based on

1. After creating UITabBarController, set UITabBar to (0 440; 320 40) and output NSLog (@ "% @", [self. view subviews]);Generally, results like this are returned ("")2. in this case, you will find that the frame of the UITransitionView is (0 0; 320 431). In fact, the gap height is 440-431 = 9. You only need to set the frame of the UITransitionView to (0 0; 320 440.3. Generally, when creating UITabBarControl

Is not in the sudoers file in Ubuntu In Ubuntu12.04, when sudo apt-get install XXX is used, the username is not in the sudoers file problem suddenly exists. Then I checked the username type, which is a standard user instead of an administrator user. There are at least two ways to solve this problem: I. System Settings-> User Accounts-> click Unlock-> enter the root password-> change AccountType to Administrator (Administrator)-> restart II. Under the root user, change the/etc/sudoers permi

password with the following content:Your_user_name all = (all) nopasswd: AllAs for security issues, I think this is also acceptable for individual users. If, for some reason, the following error occurs when trying to use sudo, sudo:/etc/sudoers is mode 0777, shocould be 0440. This is because the read and write permissions of the sudoers configuration file are incorrect. The following is a solution from a foreign website. Jasongroome When I try to use the sudo command in terminal I get the

(caffeine)-new indexing system officially completed Set Ben Text Accept Zang To: 'yahoo ', 'scrollbars = Yes, width = 440, Height = 440, Left = 80, Top = 80, status = Yes, resizable = Yes'); "> Void 0 "> (). Text: '') :( D. getselection? D. getselection (): ''); void (vivi = Window. Open ('HTTP: // vivi.sina.com.cn/collect/icollect.php? PID = 2008 Title = '+ escape (D. title) + ' url

Open google encrypted search BETA: https://www.google.com/ Now that Google encrypted search beta is available, you can go to: Encrypt. Latest phase-related content:Google releases the Pac-Man game DoCoMo to support single-player and double-player games.Multiple changes to the new Google interface reflect search engine user requirements?Absolutely paste www.baidu.com. sb to GoogleNew Google Chinese UI jazz InterfaceGoogle's new search Interface UI jazz

Baidu activates the webmaster communication platform "Baidu webmaster Club" Although Baidu in open and transparent to the webmaster do very poor, recently took a small step, since the last test of Baidu webmaster platform, and now opened the Baidu webmaster Club (http://tieba.baidu.com/club/9374916 ), for webmasters to communicate with Baidu, but it is still only available to a small number of people. I hope that the Baidu webmaster club can truly become a webmaster club.

Original address: http://blog.zuowj.com /? P = 440 Effective learning is a big problem. I have some practices, but they are scattered and difficult to summarize. Before going to bed last night, I suddenly thought of the core of RUP, "architecture-centric, case-driven, iterative development". I used this idea to learn effective methods, it can be expressed as follows: Focusing on principles, models, or mechanisms, task-driven, iterative learning

In the past few days, a part-time employee's information entry system has encountered an error where hibernate cannot query the specified condition data. Now we can find a solution: The error message is as follows:HTTP status 500- -------------------------------------------------------------------------------- Type exception report Message Description the server encountered an internal error () that prevented it from fulfilling this request. Exception Java. Lang. Reflect. invocationtargetexcepti

Today, a Web site for login server found no session after login. According to past experience, generally the space is full cause session file generation failed. The code is as follows: Df-h The code is as follows: FileSystem Size Used Avail use% mounted on /dev/mapper/dev01-root 75G 58G 14G 82%/ Udev 2.0G 4.0K 2.0G 1%/dev Tmpfs 396M 292K 396M 1%/run None 5.0M 0 5.0M 0%/run/lock None 2.0G 4.0K 2.0G 1%/RUN/SHM /DEV/SDA1 228M 149M 68M 69%/boot Space remaining 14G, you can exclude the spa

net2The first four lines of the code contain the global settings for the ad. The Redirect line indicates that the ad will be the URL of its hot connection, note that this is not the URL specified for the ad itself, but rather the URL of the intermediate page that will be called, so that we can track the number of clicks on the ad through this intermediate page. The Redirect URL is called with a query string that contains two parameters: the URL of the specific AD home page and the URL of the im

Today to see the Unix shell example fine solution on the Youdao awk on the topic after doing it to share with you Pre-processing documents: Mike Harrington: (510) 548-1278:250:100:175Christian Dobbins: (408) 538-2358:155:90:201Susan Dalsass: (206) 654-6279:250:60:50Archie McNichol: (206) 548-1348:250:100:175Jody Savage: (206) 548-1278:15:188:150Guy Quigley: (916) 343-6410:250:100:175Dan Savage: (406) 298-7744:450:300:275Nancy McNeil: (206) 548-1278:250:80:75John Goldenrod: (916) 348-4278:250:1

The using Backup controlfile is typically used to recover from a situation where the current control file is missing and the previously backed up control file is more than currently changed. Using Backup Controlfile Recover way once used, the commonly used recover database commands will no longer be available, and you must use the Resetlogs method to open the database, the following is a detailed description of the presentation. I. Presentation of related changes when using Backup Controlfile

, switching time users will break a line. Switch to the virus host after the Internet, if the user has logged the legendary server, then the virus host will often forge the false line, then the user will have to login legendary server, so that the virus host can be stolen. Due to ARP spoofing Trojan program occurs when a large number of packets caused by the LAN traffic congestion and its own processing capacity restrictions, users will feel the speed of the Internet more and more slowly. When

the other is the coordinates of the visible region's lower-right corner relative to its own (0,0) point, in fact View2 's current height is 550, and the height is 470. Getglobalvisiblerect () (30, 100-440, 200) (30, 250-440, 720) Gets the viewable area of the view in the absolute coordinate system of the screen, the coordinates in the upper-left corner of the screen as the origin (0

sudo visudo is modified by sudo to give the normal user root privileges. Later I thought about whether I could change the access to the/etc/sudoers file to 777, and then edit the file directly. So I didn't want to do it. When the result was changed, he found himself digging a hole and blocking himself outside the sudo door. The /etc/sudoers is a sudo configuration file, and its properties must be 440. When I use sudo chmod 777/etc/sudoers to modify