10 Enjoyable Linux Commands for Killing Time

By teamprinceton | August 23, 2017 |

Note: kindly use Linux terminal to get outputs for ‘toilet command’. 10 Enjoyable Linux Commands for Killing Time Linux may be a complicated language, but it also packs in a number of quick-witted commands that show off its funny side as well. You may or may not be familiar with these commands. Nonetheless, we would … Continue reading “10 Enjoyable Linux Commands for Killing Time”

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No Login Screen Being Displayed After Starting Linux Server – Here Are the Possible Troubleshooting Solutions!

By teamprinceton | August 16, 2017 |

Sometimes the Linux server does not show up the login screen at the time of startup. This is a type of boot problem. In this post, we will talk about some ways of diagnosing and fixing the boot problem in your Linux server from GNU GRUB failure to runlevels and init. To figure out the … Continue reading “No Login Screen Being Displayed After Starting Linux Server – Here Are the Possible Troubleshooting Solutions!”

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10 Linux Commands That Admins Can Find Useful

By teamprinceton | July 18, 2017 |

10 Linux Commands That Admins Can Find Useful Uptime Command Uptime command, in Linux, displays the running time for your system and the number of users are currently logged in and also displays load average for 1,5 and 15 minutes intervals. # uptime 08:16:26 up 22 min, 1 user, load average: 0.00, 0.03, 0.22 Check … Continue reading “10 Linux Commands That Admins Can Find Useful”

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ssh – failed login attempts on centOS

By Ravi Karamsetty | September 26, 2016 |

Though SSH is secured protocol, but opening the SSH Port without a firewall/VPN or whitelisting the allowed hosts can be cause security vulnerabilities and you will find hackers scanning or open ports, using Brute-force username and password and get into your network. A machine when ssh port is not secured, when login via SSH, upon … Continue reading “ssh – failed login attempts on centOS”

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centos7 – mysql install fails due to conflict in libmysqlclient.so

By Ravi Karamsetty | September 18, 2016 |

MySQL We recently built new linux server using CentOS Version 7.0. This release of CentOS comes with MariaDB and MySQL is not a standard offering. When I tried installing MySQL, MySQL install failed with the following error: –> Finished Dependency Resolution Error: Package: 2:postfix-2.10.1-6.el7.x86_64 (@base/$releasever) Requires: libmysqlclient.so.18()(64bit) Removing: 1:mariadb-libs-5.5.50-1.el7_2.x86_64 (@updates) libmysqlclient.so.18()(64bit) Obsoleted By: mysql-community-libs-5.7.15-1.el6.x86_64 (mysql57-community) … Continue reading “centos7 – mysql install fails due to conflict in libmysqlclient.so”

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Linux / Unix Automation : System deployment

By tlandeg | July 16, 2016 |

Linux / Unix Automation : System Deployment Any organisation that utilises an IT infrastructure will at some point come across the following fundamental questions: What do we need server hosts for? What type of servers do we need, physical or virtual? How many do we need? Where do we want them? How long do we … Continue reading “Linux / Unix Automation : System deployment”

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Basics of Vi editor in Unix

By Buddha Saikia | March 25, 2016 |

The Vi editor is a fast and powerful text editor of Unix system. Vi does not contain any menu, instead it uses combinations of keystrokes to accomplish an action. Here I am sharing some useful information about Vi editor. Modes in Vi editor Vi has two modes. 1. Command mode- Here you can insert Vi … Continue reading “Basics of Vi editor in Unix”

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Deleting files older than x number of day

By Ravi Karamsetty | October 22, 2015 |

Below is the linux command to delete files older than 3 days with extension .trc: find . -type f -name ‘*.trc’ -mtime +3 | xargs -i -t rm {}

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