Linux APT Package Manager Remote Code Execution Bug Patched

Original Source: BleepingComputer Independent consultant and security contractor Max Justicz discovered a remote code execution issue in the APT high level package manager used by Debian, Ubuntu, and other related Linux distributions. As described by Justicz, the APT vulnerability present in the package manager starting with version 0.8.15 “allows a network man-in-the-middle (or a malicious package mirror) to execute arbitrary

Read more

KeePassXC the Secure, Offline, Open Source Password Manager

In a vulnerable web and cloud based world, KeePassXC offers excellent password management that’s secure, reliable, offline by default and open source. A password manager is a tool that creates and stores passwords for you, so you can use many different passwords on different sites and services without having to memorize them all, and/or more importantly avoid using the same

Read more

Examine Network Socket Connections with Linux ss Command Instead of Netstat

Examine Network Socket Connections with Linux ss Command Instead of Netstat The Linux ‘ss’ command replaces the older ‘netstat’ and makes a lot of information about network and socket connections available for you to easily examine or troubleshoot issues. The ss (socket statistics) command provides a lot of information by displaying details on socket activity. What is a Socket? A

Read more

Apache httpd No Space Left on Device AH00023

Issue Had this pop up today, been several years since the ugly Apache semaphore scenario reared its messy head. You’ll have an Apache http web service down, upon typical quick look and attempt to restart, Apache fails to kick off. No biggie, whether digging through logs, systemctl status and journalctl stuffs you’ll eventually come across something similar to: [Sun Dec

Read more

Change Linux Primary IP Address Without Losing Connectivity

You need to change an IP address of an interface on a Linux server without loosing connectivity, so here’s one way: First add a secondary IP address to the interface: ip addr add 192.168.1.10/24 dev eth0 ip addr show eth0 And confirm: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 44:38:39:00:11:aa brd ff:ff:ff:ff:ff:ff inet 192.168.1.5/24 scope global eth0 inet 192.168.1.10/24

Read more

MySQL Buffered warning: Changed limits: max_connections: 214 (requested 800)

This is always an interesting one, comes up from time to time especially if you run a server with heavy database traffic. Possibly you’ve modified you my.cnf with various tweaked settings for ‘max_connections’ or ‘open_files_limit’ but your your ‘mysqld.log’ you start getting: [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000) [Warning] Buffered warning: Changed limits: max_connections: 214 (requested 800)

Read more