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Debian server – Setting a Default Gateway

- January 24, 2023 | January 24, 2023 - ServerAdmin

To set up or change default gateway, you can use ip command, route command or you can manually edit /etc/network/interfaces file. Option 1: ip command ip route add default via …

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How to upload an ISO image to the Proxmox server using the terminal

- January 23, 2023 | January 23, 2023 - ServerAdmin

ISO images can be easily uploaded via web interface but if you still want to do it “old way”, the directory where Proxmox stores ISO images is /var/lib/vz/template/iso/var/lib/vz/template/iso You can …

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How to check the DNS server IP being used (Ubuntu 18.04+)

- December 22, 2022 | December 22, 2022 - ServerAdmin

If you’re using Ubuntu 18.04+ (or distro based on Ubuntu 18.04) and you would like to know which DNS servers are responsible for your connection, you can try the next …

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Email alert for SSH logins

- November 22, 2022 | November 22, 2022 - ServerAdmin

It is good idea to get notified when someone logs into your Linux server. First be sure that your server is able to send email (at least Postfix + valid …

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Simple pushtogit script

- June 24, 2022 | June 24, 2022 - ServerAdmin

Create new file and add the next lines inside (for example pushtogit.sh)   #!/bin/bash echo " ====================== running command from" $PWD cd $PWD git add . echo -n " ====================== …

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SUDO CVE-2021-3156 and how to upgrade CentOS 6

- January 30, 2021 | January 30, 2021 - ServerAdmin

Sudo is a powerful utility built in almost all Linux distributions and we have a bad news for you – a recent privilege escalation vulnerability (CVE-2021-3156) has been discovered. The …

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Time and date on CentOS 7 Howto

- July 29, 2019 - ServerAdmin

NTP stands for Network Transport Protocol and it is used to keep the time on the servers synced with each other using a common reliable source to get the time. …

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Laravel whoops output – How to hide. env passwords

- January 26, 2019 | January 26, 2019 - ServerAdmin

As of Laravel 5.5.13, there’s a new feature that allows you to blacklist certain variables in config/app.php under the key debug_blacklist. When an exception is thrown, whoops will mask these …

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Intel CPUs affected by Spectre & Meltdown

- December 1, 2018 - ServerAdmin

Intel® Core™ i3 processor (45nm and 32nm) Intel® Core™ i5 processor (45nm and 32nm) Intel® Core™ i7 processor (45nm and 32nm) Intel® Core™ M processor family (45nm and 32nm) 2nd …

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rsync tutorial

- January 19, 2018 | January 19, 2023 - ServerAdmin

Rsync is a command-line utility commonly used to copy files and folders from one location to another while preserving file attributes (permissions, ownership). In other words, it is used to …

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Recent Posts

  • Debian server – Setting a Default Gateway
  • How to upload an ISO image to the Proxmox server using the terminal
  • How to check the DNS server IP being used (Ubuntu 18.04+)
  • Email alert for SSH logins
  • Simple pushtogit script
  • SUDO CVE-2021-3156 and how to upgrade CentOS 6
  • Time and date on CentOS 7 Howto
  • Laravel whoops output – How to hide. env passwords
  • Intel CPUs affected by Spectre & Meltdown
  • rsync tutorial

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