nixCraft - Linux and Unix tutorials for new and seasoned sysadmin

How to configure AWS SES with Postfix MTA

last updated May 30, 2020 in Amazon Cloud Computing, CentOS, Debian / Ubuntu, EMail Servers, Linux, Suse

How do I configure Amazon SES With Postfix mail server to send email under a CentOS/RHEL/Fedora/Ubuntu/Debian Linux server?

How to install htop on Debian Linux using apt-get

last updated May 27, 2020 in Debian / Ubuntu, Linux, Package Management

I am a new user of Debian operating system. How do I install htop on Debian using the apt command or apt-get command?

How to backup and restore LXD containers

last updated May 27, 2020 in Backup & Recovery, CentOS, Debian / Ubuntu, Fedora Linux, Linux, Linux Containers (LXC), RedHat and Friends

Now that I set up an LXD container, how do I backup and restore LXD containers running on Ubuntu/Debian or Fedora/CentOS Linux server?

How to find ulimit for user on Linux

last updated May 24, 2020 in BASH Shell, CentOS, Debian / Ubuntu, Linux, RedHat and Friends, Suse

How can I find the correct ulimit values for a user account or process on Linux systems?

How to extract tar.xz files in Linux and unzip all files

last updated May 24, 2020 in BASH Shell, CentOS, Debian / Ubuntu, Linux, RedHat and Friends, Suse

How do I extract tar.xz files in Linux? Can you tell me command to unzip linux-5.6.13.tar.xz file? How can I uncompressing (or decompressing) all files in the current directory?

How to install vim on CentOS 8 using dnf/yum

last updated May 13, 2020 in CentOS, Linux, Vim

I like VIM text editor a lot, and it is missing on my CentOS 8 box. How do I install vim on CentOS 8 Linux cloud server?

How to install KVM on CentOS 8 Headless Server

last updated May 13, 2020 in Linux, Linux KVM, Virtualization

How can I install KVM (Kernel-based Virtual Machine) on a CentOS 8 (CentOS Enterprise Linux) headeless server? How do I set up KVM on a CentOS 8 and use cloud images/cloud-init for installing guest VM?