How to change hostname on Linux Mint?
How to change the hostname on Linux Mint?
The hostname (e.g. mypc or mypc.example.com) can be changed by putting the hostname in one line in the file /etc/hostname on Linux Mint.
How to change the hostname on Linux Mint?
The hostname (e.g. mypc or mypc.example.com) can be changed by putting the hostname in one line in the file /etc/hostname on Linux Mint.
How to make CentOS Linux to load a module, say ixgbe, automatically at boot time? I am using CentOS 7. You can create a text file <some name>.conf in the /etc/modules-load.d/ and list the modules to be loaded there, one per line. The systemd-modules-load.service daemon will read these files and load the modules. Check more…
i need to create a program which is taking information from printer , so that i cannot use os namespace , so there is any way without using the os namespace You may use a way as follows. open the file seek to the end tell its position which is the file size An example…
When we compile some project, it needs older version gcc/g++ version. So how to insall older ones in ubuntu 16? Install older gcc/g++ version sudo apt-get install gcc-4.4 g++-4.4 g++-4.4-multilib gcc-4.4-multilib Set gcc/g++ version to be used automatically sudo update-alternatives –install /usr/bin/gcc gcc /usr/bin/gcc-4.4 50 sudo update-alternatives –install /usr/bin/g++ gcc /usr/bin/g++-4.4 50 You may need…
“The C language provides no built-in facilities for performing such common operations as input/output, memory management, string manipulation, and the like. Instead, these facilities are defined in a standard library, which you compile and link with your programs. The GNU C library, described in this document, defines all of the library functions that are specified…
After a node failure and restarting the HDFS, the NameNode reports: “The reported blocks 1968810 needs additional 5071 blocks to reach the threshold 0.9990 of total blocks 1975856. Safe mode will be turned off automatically.” in the log. Why this happens? And how to fix it? About why the NameNode stays in the safe mode:…
What is a good basic iptables config? Basic rules needed: Allow incoming TCP to 22 for SSH but blocks all others. Allow outgoing TCP/UDP connections. You may consider using the following rules as a start: for tables in iptables ip6tables ; do # Flush existing rules $tables -F # Default policy $tables -P INPUT DROP…