Aug 15

Anything: Software, Web, Mobile, Database, BI, Big-Data, Cloud, Telecom, Security


RHCE: MariaDB Administration on Redhat/Fedora/CentOS

RHCE: MariaDB Administration on Redhat/Fedora/CentOS Check if mariaDB is installed or not 130 yum list installed | grep ^mariadb mariaDB ...
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Experiment with Selinux

Target Audience:  Technical People (who already knew or did similar stuff, at least worked well with Linux ) If you ...
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AutoFS and Mounting in Linux/Redhat/CentOS

AutoFS and Mounting in Linux/Redhat/CentOS echo "AutoFS - Automatic FS system Mounting - Dec 26th, 2017 by Sayed" check if ...
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On File Systems and Linux Commands (Redhat/CentOs/Fedora)

On File Systems and Linux Commands (Redhat/CentOs/Fedora) echo "Dec 26th, 2017, Sayed Ahmed, Justetc Technologies" On file Systems - Target ...
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Users and Groups management in Linux (Redhat/CentOS/Fedora)

Users and Groups management in Linux (Redhat/CentOS/Fedora) Target Audience: Technical people who knew or already know (to some extent) - ...
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NTP related commands/Linux

598 echo "dec 24th, 2017" 599 echo "NTP Client" 600 yum list ntp 601 yum list installed |grep ntp 602 ...
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Network Interface, Network Clients related Linux/Redhat/CentOS commands

echo "Dec 24th, 2017" 532 echo "Basic Networking in Linux" 533 hostname 534 uname -a 535 uname -n 536 cat ...
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TCP Wrappers in Linux/CentOS/Redhat/Fedora

yum info tcp_wrappers yum install tcp_wrappers-devel.x86_64 506 reboot 507 ifdown ens33 508 ifup ens33 509 yum install tcp_wrappers-devel.x86_64 510 yum ...
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SSH/SSHD/OpenSSH in CentOS/Redhat Linux

Experiment with SSH/SSHD/OpenSSH in CentOS/Redhat Linux Yes, from  my history (Probably a review for the technical people, who already knew ...
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Tools for iOS Application Development

iOS Development When developing for iOS platform the first question that comes in mind is that “do I need a ...
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Disk/Partition/Logical Volume (LVM) Management related commands in Centos/Redhat Linux

echo "Dec 22nd 2017" 321 pvs 322 output 323 PV VG Fmt Attr PSize PFree 324 /dev/sda2 cl lvm2 a-- ...
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Redhat/CentOS Linux and Disk/Volume Management. LVM, parted, gdisk, vgcreate, lvcreate and similar

Misc related commands from history [Redhat/CentOS Linux and Disk/Volume Management. LVM, parted, gdisk, vgcreate, lvcreate and similar] fdisk /dev/sdb 93 ...
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Step by Step: How to Install and Configure LDAP Server

From my history of executed commands. The command sequence works like charm [though some commands might fail as I am ...
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Configuring an LDAP Client in Redhat/CentOS

You can use the tool authconfig-tui  or authconfig-gtk to configur an LDAP client. If these are not installed, you can install them ...
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Experiment with Firewalls in Linux (CentOS/RedHat)

44 firewall-cmd --state 45 systemctl status firewalld 46 firewall-cmd --reload 47 systemctl restart firewalld.service systemctl restart firewalld 48 firewall-cmd --get-default-zone ...
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Experiment with SSH and TCP Wrappers

The idea was : use two servers; server1, and server2 create user: user1 in both server1 and server2 use nmtui ...
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Linux: LVM : Logical Volume Manager : Multiple Hard Disk and Partition and Volume Management

On RedHat/Centos Linux - LVM experiments Concepts to understand: Physical Volume: Physical Hard Drive or  Partitions in Physical Hard Drive ...
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Configure Virtual Machine using CentOs/Redhat Virtualization Features

Yes, taken from the output of the history command Check for Virtualization Support lscpu | grep Virtualization grep vmx /proc/meminfo  ...
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Experiment with Misc. Linux (Redhat/CentOs) Commands: Permission, kill, ps, virtualization, firwall, star, environment variables, fsck

Yes, taken from the output of the history command ll chmod 755 /var w whoami who id With Star star ...
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Redhat/CentOS, Selinux: Linux Security: and related

From my history (i.e. taken from output of history command) Check if internet connection is there otherwise yum might not ...
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Misc Linux (Redhat/CentOS) Commands. User Group Password star wc w who id group

Create user and assign to a group useradd joseph usermod jerry -G wheels usermod --help Check users and Groups listed ...
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On Creating a Yum Server on Redhat/CentOS Linux

Mount Installer ISO mkdir /mnt/dvd1 mount /dev/sr0 /mnt/dvd1 Check if FTP server is installed systemctl status vsftpd systemctl start vsftpd ...
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Some Educational Android Apps on Software/Web Development

Some are in Bengali Project Management https://play.google.com/store/apps/details?id=com.sitestree.pmp On CSS https://play.google.com/store/apps/details?id=com.sitestree.css On JavaScript https://play.google.com/store/apps/details?id=com.sitestree.javascript On PHP https://play.google.com/store/apps/details?id=com.sitestree.php On SEO course https://play.google.com/store/apps/details?id=com.sitestree.seo ...
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Create your own yum repo in Centos/Redhat

Yum is a software installation manager for Redhat Linux and Related. yum is a better tool than rpm. Here, we ...
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Miscellaneous CentOS/RedHat/Fedora Commands. Yum Repo, Firewall, User Permissions, Virtualization Manager

Misc Linux Commands from .bash_history file Add a user and assign to a group useradd joseph usermod jerry -G wheels ...
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(no title)

Ticker $ Current Price $ Change % Change Morningstar Rating For Stocks VUN 46.93 -0.95 -1.98 --- --- XUS 42.08 ...
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Selinux and Security in Linux

Find out the Selinux packages available rpm -qa | grep selinux The output: libselinux-utils-2.2.2-6.el7.x86_64 libselinux-2.2.2-6.el7.x86_64 selinux-policy-targeted-3.12.1-153.el7.noarch selinux-policy-3.12.1-153.el7.noarch libselinux-python-2.2.2-6.el7.x86_64 Install Selinux yum install ...
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IT Infrastructure Monitoring

Tools: Nagios Core XI Log Server https://www.nagios.org/ VEEAM https://www.veeam.com Vmotion: "VMware VMotion enables the live migration of running virtual machines from one ...
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Virtualization Products…and Concepts

Top 10 Virtualization Companies: VMware. VMware. ... Microsoft. Microsoft. ... Citrix. ... Red Hat. ... Oracle. ... Amazon. ... Google ...
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Linux vs Unix

Posix: "a set of formal descriptions that provide a standard for the design of operating systems, especially ones that are ...
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