you are not saved, please open the file's Properties-Security page, and then click "Advanced".Then, do not modify the owner account, in case you do not return, it will damage the security of the file, keep the default system for the owner. Click "Change Permissions" below.Then add the account you are currently logged into and tick the "Full Control" permission.So you have permission to modify the file, after the file is saved, please follow the above method, the current user just added to remov
msgWindow:MsgWindow. close ()--------------------------------------------------------------------------------Use frame A frame is a special window that displays multiple independent scrolling frames in one window. each frame has a different URL. each frame can point to a different URL or be used as another URL destination, but it must be in the same window. A series of frames form pages ).Is a window containing three framesThis frame isNamed listFrame named contentFrame|----------------- V ----
change the software source for this version. Because, the system automatically selects the Chinese server for you, I feel that the network speed is already very good, just change the source to another. Indeed, in the default menu, we do not see the menu items of the software source. if necessary, add them to "system -- preferences -- Main Menu. Of course, you can also replace sudo gedit/etc/apt/sources. list in the terminal with the source you are used. There are several sources worth your tria
with the following 163 content:Deb Http://mirrors.163.com/ubuntu/lucid main restricted universe Multiversedeb http://mirrors.163.com/ubuntu/ Lucid-security main restricted universe multiversedeb http://mirrors.163.com/ubuntu/lucid-updates main restricted Universe Multiversedeb http://mirrors.163.com/ubuntu/lucid-propo
Ps: I have been using ubuntu. I prefer debian Linux compared to RedHat. I'm looking forward to Ubuntu 9.04, but it seems that I can't wait for the pull (Ubuntu 8.04 is good, but considering the Rapid Upgrade of the kernel, I can't just choose to use Ubuntu. Here we only make a quick configuration record. If not stated, all permissions are operated under root. Switch to root permissions, sudo-s1, update U
Ps: I have been using Ubuntu 8.04. I prefer debian Linux compared to RedHat. We are looking
1. for convenience, switch to the root user first. first, delete the yumrpm-aq | grepyum | xargsrpm-e -- nodeps3. download the yumwgethttp: // kernel of CentOS6. 1. for convenience, switch to the root user first
2. Delete the yum that comes with rhel6 first.
Rpm-aq | grep yum | xargs rpm-e -- nodeps
3. Download the yum of CentOS 6
Wget http://mirrors.163.com/centos/6.0/ OS /x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
Wget http://
installed:Cacti libperl5.14 libphp-adodb libsensors4 libsnmp-base libsnmp15 mysql-server php5-snmp rrdtool snmp0 upgraded, 10 newly installed, 0 to remove and 113 not upgraded.Need to get 4,205 kB/4,574 kB of archives.After this operation, 12.6 MB of additional disk space will be used.Do you want to continue [Y/n]? Y
Get: 1 http://mirrors.163.com/ubuntu/ precise-security/main php5-cli amd64 5.3.10-1ubuntu3. 13 [3,051 kB]Get: 2 http://
because your system's software source cannot find the package and needs to be replaced by a new source of software. The steps are as follows:① in Terminal input command: sudo gedit/etc/apt/sources.listin the open text, replace everything in the current text with the latest software source found online, and then save the close② in Terminal input command: sudo apt-get updatewait for update ...after the update is successful, you can install the software with sudo apt-get install. The following is
1, about RosHttp://www.oschina.net/p/rosROS (Robot Operating System, robotic operating system) provides a range of libraries and tools to help software developers create robotic applications. It provides many functions such as hardware abstraction, device driver, library function, visualization, messaging, and package management. Ros complies with the BSD Open Source license agreement.The development of the ROS environment requires Ubuntu version 14.04.I am installing Ubuntu server 14.04.3 LTS h
I just installed the RedHat 6 system, but when using yum, it always prompts nothing and everything. Later, after a search, Red Hat's Yum online update is chargeable and must be registered before it can be used.Before using Ubuntu because the foreign apt-get source too slow can update the domestic source, LZ often used is the source of NetEase or some of the source of higher education. LZ then thought of replacing the source of Yum to solve the problem.Later discovered that you want to use other
-bin is Libvirt, for managing KVM, etc. Hypervisor
Ubuntu does not install the graphical interface by default, manually install sudo apt-get install xinitsudo apt-get install gdmsudo apt-get Install Kubuntu-desktop apt defaults to the official website to download the installation package, the speed is very slow, we can use the domestic mirror site. config/etc/apt/sources.list NBSP; Debhttp://mirrors.163.com/ubuntu/trustymai
the graphical interface by default, manually install sudo apt-get install xinitsudo apt-get install gdmsudo apt-get Install Kubuntu-desktop apt defaults to the official website to download the installation package, the speed is very slow, we can use the domestic mirror site. config/etc/apt/sources.list deb http://mirrors.163.com/ubuntu/trusty main restricted universe Multiversedeb http://mirrors.163.c
the source of the system:sudo apt-get updateThe following is a list of some of the more stable and fast domestic sources:163 sourceDeb Http://mirrors.163.com/ubuntu/precise main Restricteddeb http://mirrors.163.com/ubuntu/precise-updates main Restricteddeb http://mirrors.163.com/ubuntu/precise Universedeb http://mirrors
for English environment?NetworkingEth0。。。 I want to add ...Wlan0Missing: Firmware-iwlwifiAddress: http://mirrors.163.com/debian/pool/non-free/f/firmware-nonfree/Configuration/etc/network/interfacesAuto Wlan0Iface Wlan0 inet DHCPWpa_ssid "Your Hotspot"WPA_PSK "Your password"ReferenceIp-link (8)Wpa_supplicant (8)Iwconfig (8)Ifconfig (8)NetworkManagerWifi-debian WikiConfiguration sourceHTTP source rather than FTP source--Speed problemApt-spy or Netselec
convenient. We recommend openvz templates) you can use docker dockerfile to change the software source and install the supervisor service to complete the entire process. However, it is more convenient to manually enter the configuration, dockerfile is more suitable for sharing your creation process with others. Run docker run-t-I Ubuntu: base/bin/Bash to go to the virtual machine and edit apt software source VI/etc/APT/sources. list, delete the content, paste the 163 source in China
deb http://
Yesterday, I completely abandoned the operating system of Windows 7. 7, which was half a year old and switched to Ubuntu. After ubuntu is installed, apt software packages and system update are inevitable, and the download speed is slow, so the source is modified, the following is a source with the fastest speed I feel. The download speed is mainly kb/s ~ Kb/s. I feel very good. I keep a file and it may be used later.
# Netease Ubuntu 11.04 source deb http://
comment out other lines.Deb http://mirrors.163.com/ubuntu/ maverick main restricted universe multiverseDeb http://mirrors.163.com/ubuntu/ Maverick-security main restricted universe multiverseDeb http://mirrors.163.com/ubuntu/ Maverick-Updates main restricted universe multiverseDeb http://mirrors.163.com/ubuntu/ maveri
First, back up the original source address list file of Ubuntu 12.10.
Sudo cp/etc/apt/sources. list/etc/apt/sources. list. old
Then modify
Sudo gedit/etc/apt/sources. list
Open sources. list and delete all content in the document. Copy the following content directly.
# Netease source (163 source, whether it is CERNET or not, the speed is very fast) deb http://mirrors.163.com/ubuntu/ quantal main universe sans regular-src http://
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