./configure : /bin/sh^M : bad interpreter
To fix, open your script with vi or vim and enter in vi command mode (key Esc), then type this: Finally save it :x! or :wq!
linux
curl: (6) Could not resolve host: google.com; Name or service not known
Issues were: IPV6 enabled Wrong DNS server Here is how I fixed it: IPV6 Disabling Open Terminal Type su and enter to log in as the super user Enter the root password Type cd /etc/modprobe.d/ to change directory to /etc/modprobe.d/ Type vi disableipv6.conf to create a new file there Press Esc + i to insert data to file Type install ipv6 /bin/true on the file to … Read more
screen Cannot open your terminal ‘/dev/pts/0’ – please check
This happens because you may have done a sudo su user_name and then fired the screen command. There are 2 ways to fix this. Login directly to “user_name” via ssh. Take ownership of the shell by typing script /dev/null as the user user_name and then type screen
How to automatically redirect HTTP to HTTPS on Apache servers?
I have actually followed this example and it worked for me 🙂 Then do: /etc/init.d/httpd restart
What can cause a “Resource temporarily unavailable” on sock send() command
“Resource temporarily unavailable” is the error message corresponding to EAGAIN, which means that the operation would have blocked but nonblocking operation was requested. For send(), that could be due to any of: explicitly marking the file descriptor as nonblocking with fcntl(); or passing the MSG_DONTWAIT flag to send(); or setting a send timeout with the SO_SNDTIMEO socket option.
linux command to get size of files and directories present in a particular folder?
Use ls command for files and du command for directories. Checking File Sizes ls command will not list the actual size of directories(why?). Therefore, we use du for this purpose. Checking Directory sizes Including -h option in any of the above commands (for Ex: ls -lh * or du -sh) will give you size in human readable format (kb, mb,gb, …) For more information see man ls and man du
Display value found at given address gdb
You are correctly reading the value at memory address 0x8048f0b, but the line call 8048f0b <strings_not_equal> indicates that this address is the start of a function (called strings_not_equal()). You wouldn’t expect that to be ASCII – you’d expect it to be more machine code. If you’re looking for the function arguments to strings_not_equal(), those are being pushed onto the stack. … Read more
Pseudo-terminal will not be allocated because stdin is not a terminal
Try ssh -t -t(or ssh -tt for short) to force pseudo-tty allocation even if stdin isn’t a terminal. See also: Terminating SSH session executed by bash script From ssh manpage:
What does it mean to mount a file system in linux?
A better way to describe “mount” is “attach”. The filesystem being mounted is attached to an empty directory of the existing filesystem. That is, the top level directory of the mounted filesystem becomes the directory on the existing filesystem. Subdirectories of the mounted filesystem become the subdirectories of the former directory on the existing filesystem, … Read more