I successfully ran sudo apt-get install libncurses5-dev Within my Eclipse window I then try to build the following HelloWord.cpp program: I get the following error: It looks like the compiler is searching for the ncurses library and can’t find it? I checked /usr/lib and the library does not exist there so do I need to manually link the ncurses library … Read more
SSH into the machine. Using the proper credentials and ip address, ssh [email protected]. This should provide you with shell access to the Ubuntu server. Restart the mySQL service. sudo service mysql restart should do the job. If your mySQL service is named something else like mysqld you may have to change the command accordingly or try this: sudo /etc/init.d/mysql restart
What is meaning of exit status 1 returned by linux command? Like 127 exit status indicates “command not found”. I have visited http://linux.die.net/abs-guide/exitcodes.html page, does it mean exit status 1 does not have particular special meaning?
The POSIX specification for find says: -mtimen The primary shall evaluate as true if the file modification time subtracted from the initialization time, divided by 86400 (with any remainder discarded), is n. Interestingly, the description of find does not further specify ‘initialization time’. It is probably, though, the time when find is initialized (run). In the descriptions, wherever n is used as a primary argument, … Read more
chmod a+x modifies the argument’s mode while chmod 755 sets it. Try both variants on something that has full or no permissions and you will notice the difference.
The other answers are correct, in that chmod -R 755 will set these permissions to all files and subfolders in the tree. But why on earth would you want to? It might make sense for the directories, but why set the execute bit on all the files? I suspect what you really want to do is set the … Read more
From Linux From Scratch Chapter 6.8. Populating /dev 6.8.1. Creating Initial Device Nodes When the kernel boots the system, it requires the presence of a few device nodes, in particular the console and null devices. Create these by running the following commands: You should then continue with the steps in “6.8.2. Mounting tmpfs and Populating /dev”. … Read more
The reason this occurs is because bash actually expands the asterisk to every matching file, producing a very long command line. Try this: Warning: this is a recursive search and will find (and delete) files in subdirectories as well. Tack on -f to the rm command only if you are sure you don’t want confirmation. You can do … Read more
You can have multiple exclude options for tar so etc will work. Make sure to put –exclude before the source and destination items.
I want to download something with wget using a proxy: The proxy does not need username and password. How can I do this?