CentOS 8.x Configure barjatiyarklp after OS installation overwriting existing root partition

Home > CentOS > CentOS 8.x > System Administration > New machine configuration > CentOS 8.x Configure barjatiyarklp after OS installation overwriting existing root partition

Assuming older OS is reinstalled on / and that other partitions such as /mnt/data1/ are kept intact.

OS installation

1. Install CentOS 8 server with GUI with required packages (Except Smart card tools, Infiband support, Legacy application support, etc.)

   During installation Select Asia/Kolkata timezone even if time is reported wrong. After installation correct time is automatically shown.

2. First boot and accept license agreement
3. Go through welcome wizard and disable use of "Location services" under privacy
4. Configure wifi or wired LAN connectivity
5. Open "Privacy" and disable screen lock. Validate that location services are also off.

Initial configuration

In terminal

1. sudo su -
2. visudo (Enable sudo access without password for wheel group)
3. Disable SELinux (setenforce 0, /etc/sysconfig/selinux SELINUX=disabled)
4. Edit /etc/hosts and add appropriate entries:
   • 192.168.1.3 rekallcm1
   • Other relevant /etc/hosts entries from other machines
5. Configure history retention Storing date / time along with commands in history
6. Configure alias for checking battery status CentOS 7.x check laptop battery information
7. Edit /etc/yum.conf and configure keepcache=1
8. Full update system using 'dnf -y update --skip-broken --nobest'
9. dnf -y install epel-release
10. dnf -y install byobu

Install and configure required packages

dnf based packages

    dnf -y remove bind-chroot
    dnf -y install htop   #Colorful command-line top
    dnf -y install gimp   #Advanced image editor useful for editing pdf as images
    dnf -y install fdupes      #Duplicate file detection
    dnf -y install p7zip       #Support for 7zip
    dnf -y install expect      #For shell automation.  Includes mkpasswd utility
    dnf -y install bind bind-utils   #For DNS related tasks
    dnf -y install erlang      #Programming
    dnf -y install git         #Version control
    dnf -y install wireshark   #Packet capturing
    dnf -y install libreoffice-writer libreoffice-calc libreoffice-impress  #Libreoffice
    dnf -y install telnet nc   #For TCP connection checking
    dnf -y install freerdp     #For xfreerdp to Windows machines
    dnf -y install texlive     #For latex
    dnf -y install brasero     #For burning CD/DVD
    dnf -y install livecd-tools #For creating live USB
    dnf -y install minicom     #For working with serial ports
    dnf -y install iw       #For wireless iw command
    dnf -y install libguestfs-tools  #For virt-sysprep
    dnf -y install ImageMagick  #For image editing
    dnf -y install dia      #For diagrams
    dnf -y install xsane    #For scanning
    dnf -y install texlive-wrapfig texlive-capt-of texlive-ulem texlive-translator #For org-latex exports
    dnf -y install texlive-translator  #For compiling beamer presentations using latex
    dnf -y install gparted   #For partition management

Install a few games:

dnf -y install blinken bomber bovo kanagram kapman katomic kblackbox kblocks kbounce kdiamond kfourinline kgoldrunner khangman kigo killbots kiriki kjumpingcube klines kmahjongg kmines knetwalk kolf kollision konquest kreversi kshisen ksirk ksnakeduel kspaceduel ktuberling kubrick lskat nethack picmi trader xrick zork

Not found packages to be searched later:

    dnf -y install pandoc   #For documentation generation
    dnf -y install encfs    #For fuse encrypted filesystem

Install brave browser

sudo rpm --import https://brave-browser-rpm-release.s3.brave.com/brave-core.asc
sudo dnf -y install dnf-utils
sudo dnf config-manager --add-repo https://brave-browser-rpm-release.s3.brave.com/x86_64/
sudo dnf install brave-browser -y

Install and configure emacs

1. dnf -y install emacs
2. Ensure /home/saurabh/.emacs and /home/saurabh/.emacs.d are symlink to appropriate folders of application-data
3. Validate things are working by opening to-do.org file
4. Configure nautilus to open .org file via emacs by default

Install vlc

1. yum -y install https://download1.rpmfusion.org/free/el/rpmfusion-free-release-8.noarch.rpm
2. yum -y install vlc

Refer:

• https://www.tecmint.com/install-vlc-media-player-in-rhel-centos-fedora/

Install broadcom-wl

1. dnf -y install https://mirrors.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-8.noarch.rpm
2. dnf -y install broadcom-wl

Install I217 Intel ethernet drivers

Wired ethernet driver for Linux for "Intel Corporation Ethernet Connection I217-LM (rev 04)" need to be installed on CentOS 8 stream for its proper functioning. See https://www.intel.com/content/www/us/en/support/articles/000005480/ethernet-products.html

1. Install packages

   yum install gcc make
   yum install kernel kernel-devel

2. Download driver from https://sourceforge.net/projects/e1000/
3. tar xzf downloaded file
4. cd <folder>/src
5. make; sudo make install

Install skype

1. Download skype rpm from https://www.skype.com/en/get-skype/download-skype-for-desktop/
2. Install the rpm using:

   dnf -y localinstall <rpm-name>

Configure nautlius

1. Open nautilus
2. Create bookmarks for (Open folder and press Ctrl+D)
   • /mnt/data1/workspace/gbb/owncloud/saurabh
   • /mnt/data1
   • /mnt/data1/plain_folders/documents/Desktop/rekall
3. Configure nautilus to open .org file via emacs by default, if not done already
4. vim ~/.config/user-dirs.dirs #As saurabh user

   Comment all except Desktop and Downloads

5. vim /etc/xdg/user-dirs.default #As root user

   Comment all except Desktop and Downloads

6. Logoff and login again
7. Open nautilus and remove bookmarks for Documents, Music, Videos and Pictures

Refer:

• https://askubuntu.com/questions/762591/how-to-remove-unwanted-default-bookmarks-in-nautilus

Configure firefox

1. Ensure that /home/saurabh/.mozilla is symlink to application-data folder
2. Starting firefox and see that various profiles are appearing properly.
3. Validate history and stored passwords are working as expected

Install and configure thunderbird

1. yum -y install thunderbird
2. Create symbolic link

   ln -s /mnt/data1/workspace/application-data/thunderbird/ .thunderbird

3. Run thunderbird and validate email accounts are accessible
4. Set date-format display using OpenSuse Leap 15 Change date-format displayed in Thunderbird
5. Optionally set correct calendar response email ID using CentOS 8.x Thunderbird calendar invitation response email address

Install Anydesk

1. Refer CentOS 8.x Install anydesk
2. Restore backup of anydesk configuration:

   cd ~/.anydesk
   mv user.conf user-old.conf
   ln -s /mnt/data1/workspace/application-data/anydesk/anydesk-saurabh-user.conf user.conf

Configure SSH

1. Symbolic link ssh from /mnt/data1

   ln -s /mnt/data1/workspace/application-data/ssh .ssh

2. ssh root@rekallcm1

   Enter passphrase (4cs..) and enable automatic unlock during login

Install nomachine

• CentOS 8.x Install nomachine

Install Google chrome

1. Refer CentOS 7.x Installing Google chrome
2. Start chrome
3. Do not make chrome default browser and Disable submitting of usage information
4. Test by opening www.google.com

Configure git

1. Configure various git parameters:

   git config --global user.name "Saurabh Barjatiya"
   git config --global user.email "saurabh [at] sbarjatiya.com"  #Correct email address
   git config --global color.ui true
   git config --global color.status auto
   git config --global color.branch auto
   git config --global core.editor vim

2. Configure to use simple push by default

   git config --global push.default simple

   Refer https://stackoverflow.com/questions/21839651/git-what-is-the-difference-between-push-default-matching-and-simple

Postfix and logwatch

1. Configure postfix gmail relay using Sending email via Gmail relay through postfix
2. Edit /etc/aliases and add barjatiya.saurabh [at] gmail.com as alias for root.
3. newaliases
4. Install and configure logwatch
5. systemctl restart postfix
6. systemctl enable postfix

Install ntfs-3g and mount drives

1. yum -y install ntfs-3g
2. blkid
3. mkdir -p /mnt/{cdrive,ddrive}
4. Add /etc/fstab entries similar to

   UUID="E0722C3A722C17B4"			  /mnt/cdrive		  ntfs    defaults        0 0
   UUID="8AE21E5EE21E4F37"			  /mnt/ddrive		  ntfs    defaults        0 0

5. mount -a
6. df -h

Add Windows boot option

1. CentOS 7.x Add Windows 7 boot option to grub2
2. Reboot into Windows and check it is working

Install VMWare Remote Console (VMRC)

1. Download latest VMWare Remote console from VMWare website
2. chmod +x *.bundle
3. ./<name>.bundle #as root user

Install Owncloud Desktop client

• CentOS 8.x Owncloud linux desktop client

Install and configure fail2ban

• CentOS 7.x fail2ban

Configure lxc

• CentOS 8.x install lxc

Configure ntp client

• CentOS 8.x chronyc ntp client configuration

Re-add various older VMs

Refer CentOS_8.x_Configure_rekallcm1_(high-end_desktop)_with_software_raid,_lxc,_kvm_and_other_utilities#Re-add_various_older_VMs

Pending

• Unable to find below on CentOS 8

    yum -y install kile  #Latex editor
    yum -y install yaws        #Erlang web server
    yum -y install kolourpaint #Basic image editor
    yum -y install bzr kdiff3  #For versioning and comparing files
    yum -y install unetbootin liveusb-creator livecd-tools #For creating live bootable USB from iso files

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