Blog

12/08/2019

How to Check the glibc (GNU libc) Version on CentOS 6 and CentOS 7



Pre-Flight Check
  • These instructions are intended specifically for checking the installed version of glibc.
  • I’ll be working from a Liquid Web Core Managed CentOS 6 and CentOS 7 server, and I’ll be logged in as root.

Using ldd

ldd --version

This should return a result similar to:

ldd (GNU libc) 2.17
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.

In this case, version 2.17 is installed.

Using yum

yum list glibc

This should return a result similar to:

Loaded plugins: fastestmirror, langpacks, priorities
Loading mirror speeds from cached hostfile
3 packages excluded due to repository priority protections
Installed Packages
glibc.x86_64        2.17-55.el7_0.3          @system-updates-released
Available Packages
glibc.i686          2.17-55.el7_0.3          system-updates-released

In this case, 2.17-55.el7_0.3 is the package installed.

14/08/2019

How to KVM, QEMU start or stop virtual machine from command line (CLI)

KVM or Kernel Based Virtual Machine is a popular virtualization technology. It allows you to run virtual guest machines over a host machine. To start...
14/08/2019

How to Docker backup Saving and restoring your volumes

Running a Docker volume backup First, we spin up a temporary container, and we mount the backup folder and the target Docker volume to this container....
12/08/2019

How to Start and Enable Firewalld on CentOS 7

In this article, we discuss how to start and enable firewalld. It is highly recommended that you have a firewall protecting your server.Pre-Flight CheckThese...