After crontab is installed in ubuntu, crontab logs are disabled by default. How to start crontab logs:Modify the rsyslog file and delete # before # cron. * in the/etc/rsyslog. d/50-default.conf file;Restart rsyslog service rsyslog restart;Restart the cron service cron restart; The code is as follows:Copy code More/var/log/cron. log; You can view the running log file. If No MTA
From: http://www.cnblogs.com/WormCanFly/archive/2012/05/23/2514338.html
In Linux, visual box is much faster than traditional VMware. The key point is that it is closely integrated with the Linux kernel, which is also an advantage of open source.
However, the Linux kernel is updated frequently. A prompt is displayed when virtualbox is started every time the kernel is updated.:
Virtualboxkernel driver not installed. The vboxdrv kernel module was either
An error occurred while mounting the shared folder after Ubuntu is installed on the virtualbox Virtual Machine in windows. virtualboxubuntuIn virtualbox, the host is win8 and the virtual machine is Ubuntu14.04.Folder Mount problems:
Automatic mounting:Use the shared folder provided by the virtual machine to create a fixed allocated data space. Select the auto mount check box, but the/media/sf_MyShare folde
Eclipse startup error: a Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available in order to run eclipse. No Java virtual machine was found after searchingFollowing locations :...
This problem occurs when I installed two versions of eclipse on ubuntu1004: galieo + Helios. After I uninstalled the former, I found that eclipse cannot be started. If I found it online, I can solve it as follows:
Eclipse 3.6 has a strange phenomen
PHP burst vulnerability, need to update PHP versionThe following methods are not rigorously tested, and are tested on a virtual machine before being used in a production environment.In Ubuntu, the Apt-get way to install PHP-FPM, the biggest advantage is that the PHP process once the exception will be automatically restarted, unless you handle the PHP exception process crash problem.Here is my own exploration of the PHP compilation installation, file r
The SecureCRT rz command prompts that the rz has not been installed (ubuntu), securecrtrz
1. Use secureCRT to log on as a normal user;
2. If the root account has been unlocked, run the su command to enter the password as prompted;
If the root account is not unlocked, run the sudo passwd root command: 1. Enter the password of the current Logon account;
2. Set the root Super administrator password as prompted
In the use of Ubuntu, it is possible to encounter dpkg hanging off, the universal solution on the Web, if it does not work:1,sudo dpkg--configure-a resolves this issue2,sudo rm /var/lib/dpkg/updates/*sudo apt-get updatesudo apt-get upgradeAnd so on, if according to the above method, can not solve, simply reload dpkg (first dpkg directory to kill: sudo rm-rf/var/lib/dpkg), and then reload?> Terminal: sudo mkdir-p/var/lib/dpkg/{alternatives,info,parts,t
Solve the problem that "init_mutex" cannot be compiled because the wireless NIC driver is installed in Ubuntu. When I bought a wireless network card, I specifically found a network card with drivers for both windows, linux, and mac platforms. However, when the wireless network card is installed in Ubuntu11.04, the code of the driver module cannot be compiled. The
Ubuntu fails to be installed on a USB flash drive in Windows 7 -- general Linux technology-Linux technology and application information. For more information, see the following. I installed Xp and Ubuntu10.04 dual systems, and then re-installed Windows 7 with a USB flash drive. I originally wanted to use a USB flash dr
After installing vncserver in ubuntu, press the letter D to display the desktop. The problem that the terminal disappears is said to be a bug, but it does not matter. There are common shortcut key conflicts. after the vncserver is installed, log on from the client and press the D key to display that the [python] gconf-editor d key cannot be installed on the deskt
: Dynamic loadingThe common problem of using PHP is: Compile php forget to add an extension, and then want to add extensions, but because after installing PHP and installed something such as pear, do not want to remove the catalog reload, so you can use Phpize.The method is:1). To have PHP compression package identical to the existing PHP, expand to enter the Ext/mcrypt directory (inside the mcrypt PHP extension)#cd/usr/local/software/php-5.3.2/ext/mc
MINGW: Programs that compile Windows under a Linux systemCan be installed directly under Ubuntu:sudo apt-get install mingw32 mingw32-binutils mingw32-runtimeThe post-installation compiler can:i586-mingw32msvc-g++ (compiling C + + programs)I586-MINGW32MSVC-GCC (compile C program)Usage and gcc/g++ are very similar.such as the HELLO.C program:#include "Windows.h"int WINAPI WinMain (hinstance hinstance,HInstance hPrevInstance,PSTR szCmdLine,int icmdshow){
The VM has installed ubuntu and forgets the password to fix the problem. 1. Restart ubuntu and press "shirft" to go To the grub menu. 2. Select "recovery mode" and press "e" to go to the editing page; 3. Replace ro single with rw single init =/bin/bash; www.2cto.com 4. Press ctrl + x to enter the single-user mode. The current user is root; 5. Modify the sudoers p
Article Title: Solve the Problem of mouse wheel after Ubuntu is installed in VMware. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Using VMware embedded Ubuntu in Windows, it is found that the mouse wheel function is unavail
I installed Ubuntu 10.04 in VMware. After a while, I was unable to log on again,
At first, I did not know how to enter the Grub startup interface in the virtual machine. I searched the internet and set a new password for the user according to the following steps.
Restart Ubuntu and press shift to enter the grub menu;Select recovery mode and press enter to confi
Without tests (Editor: LinuIDC.com ).
Install Ubuntu 10.04 two days ago
At the beginning, the gurb method was used, but every time it failed, attackers could not even Access Windows 7.
Later, we used the wubi method, but it was still a method.
At last, I installed Ubuntu 10.04 with an optical drive.
But encountered:
An error occurs when the installer copies
Virtualbox is an open-source Virtual Machine Product of the original Sun Company. (when talking about Sun, we need to add the word "original", which is sad .) Fortunately, zoola continues to carry forward the development. Now it is version 4.0. It is nice to say that it is used to install ubuntu. The mouse does not need to be switched with the shortcut key as in VMware, which is more convenient. It also shows that people are doing a better job.
But b
Fixed an error when VMware installed Ubuntu 13 VM tools.
08:08:58 let me say a few words
Source: dxwd320 Column
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Solve the following error when installing Ubuntu 13 VM tools in VMware: Searching for a valid kernel header path... the path "" is not a valid path to the 3.8.0-19-generic kernel headers. wo
First, download syslinux files, extract the Syslinux.exe; Go to the Ubuntu website to download the latest version of the Ubuntu CD image in the ISO format.
Two, 1G or more of the U disk, and then format, formatted as FAT32 or FAT or NTFS is OK.
Third, under the cmd execution syslinux.exe-f g: where G: represents my U disk letter. (Cmd's command line must go to the location where the Syslinux.exe folder is
After Ubuntu has just been installed, running the SU command in terminal will require a password, however, no matter what the loss will be wrong, the direct return is also wrong, because Root does not have a default password , need to manually set.
To install the user name entered in Ubuntu login, the user in the Admin group, has the authority to set the root pa
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