CentOS 8.x install lxc

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CentOS 8.x install lxc

==Package installation To install lxc on CentOS 8.x use:

1. Install required packages:

   sudo dnf install lxc lxc-templates lxc-doc libcgroup-pam libcgroup-tools libcgroup

2. Test by running

   lxc-checkconfig

3. Then create network bridge if not created already by referring Creating bridge interfaces (br0) for virtual hosts to use shared interface or CentOS 7.x Managing virtual networks using libvirt virsh command
4. Edit '/etc/lxc/default.conf' and update value of 'lxc.network.link' in this file appropriately.
5. Store container files in a different partition then / or /var using CentOS 7.x installing lxc#Get_more_space_for_lxc_containers

   lxc-ls --active
   mkdir /mnt/data1/large_files/lxc-files
   mkdir /mnt/data1/large_files/lxc-files/{var_cache_lxc,var_lib_lxc}
   
   mv /var/cache/lxc/* /mnt/data1/large_files/lxc-files/var_cache_lxc/  #Ignore no-such files error, if printed
   rmdir /var/cache/lxc
   ln -s /mnt/data1/large_files/lxc-files/var_cache_lxc/ /var/cache/lxc
   
   mv /var/lib/lxc/* /mnt/data1/large_files/lxc-files/var_lib_lxc/    #Ignore no such fies error, if printed
   rmdir /var/lib/lxc
   ln -s /mnt/data1/large_files/lxc-files/var_lib_lxc/ /var/lib/lxc
   lxc-ls

6. Create a few lxc containers and test

Refer:

• https://www.redhat.com/sysadmin/exploring-containers-lxc

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