ubuntu-12.04

来源： https://stackoverflow.com/questions/14821012/ubuntu-python-shebang-line-not-working

来源： https://stackoverflow.com/questions/24118558/complete-remove-and-reinstall-r-including-all-packages

来源： https://stackoverflow.com/questions/24118558/complete-remove-and-reinstall-r-including-all-packages

来源： https://stackoverflow.com/questions/23514244/share-folders-from-the-host-mac-os-to-a-guest-linux-system-in-virtualbox

问题 EUID is not the same as UID . At what context are these both are used in the script? I tried to get the values by echo "UID is $UID and EUID is $EUID" , but only space came as output. My machine runs Ubuntu 12.04 LTS. Seen at some sites that this is usually used to check whether it is root user and all but not able to get proper difference. 回答1: It only works on bash, not in dash (in Debian based distros as Ubuntu sh is usually a symlink to dash). If you are running the script interactively

问题 EUID is not the same as UID . At what context are these both are used in the script? I tried to get the values by echo "UID is $UID and EUID is $EUID" , but only space came as output. My machine runs Ubuntu 12.04 LTS. Seen at some sites that this is usually used to check whether it is root user and all but not able to get proper difference. 回答1: It only works on bash, not in dash (in Debian based distros as Ubuntu sh is usually a symlink to dash). If you are running the script interactively

问题 I am using ubuntu 12.04 on virtual machine but when i try to install java its gives me error like this sudo apt-get sun-java6-jdk sun-java6-jre [sudo] password for samkt: E: Invalid operation sun-java6-jdk so now i am not able to install netbeans also because its required java and JVM for installing netbeans. 回答1: As I can see you forgot the "install" command. sudo apt-get install <<type packages here>> For example: sudo apt-get install ubuntu-restricted-extras chromium-browser python And the

问题 I am using ubuntu 12.04 on virtual machine but when i try to install java its gives me error like this sudo apt-get sun-java6-jdk sun-java6-jre [sudo] password for samkt: E: Invalid operation sun-java6-jdk so now i am not able to install netbeans also because its required java and JVM for installing netbeans. 回答1: As I can see you forgot the "install" command. sudo apt-get install <<type packages here>> For example: sudo apt-get install ubuntu-restricted-extras chromium-browser python And the

问题 recently I set up a new EC2 instance. The next day I was not able to connect to my instance via ssh. I could connect and disconnect the day before, I swear I did nothing. here is ssh debug info: ssh -i webserver.pem -v ubuntu@my.elastic.ip OpenSSH_5.9p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration data /etc/ssh_config debug1: /etc/ssh_config line 20: Applying options for * debug1: Connecting to my.elastic.ip [my.elastic.ip] port 22. debug1: Connection established. debug1: identity

问题 I am using Micromax Unite A092, for USB debugging in Ubuntu 12.04. I enabled "USB debugging" from developer options and "connected as a media device". But ./adb devices does not show it. I tried SUBSYSTEMS=="usb", ATTRS{idVendor}=="1c9e", ATTRS{idProduct}=="7f10", MODE="0666" writing in /etc/udev/rules.d/51-android.rules but no luck. The output of lsusb is- Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate