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Category Archives: Linux

ClamAV – Open Source Antivirus for Windows and Linux

ClamAV is a free Open Source antivirus engine for detecting malware and virus. You can use it on Linux and Windows. https://www.clamav.net/ To scan a file To scan all files in /home folder.


Install Telnet Client

Telnet is a very useful command for server administrators. To install telnet on Windows Server 2016 Run on power shell. On command promt, run Windows Server 2012 RHEL/CentOS Ubuntu/Debian


firewall

Firewall is used to block or selectively allow access to services running in system. For example, you have Apache web server and SSH running on your server. You want to allow everyone connect to your Apache Web Server. But only


sacli – OpenVPN Access Server configuration tool

sacli is used to query/set OpenVPN Access Server configuration. To list all configs, run Example To list a users configurations, run Example To enable comp__lzo, run


chkconfig

chkconfig is a command that list services and its run levels on SysV. Now most distros are using systemd Here only 2 services on this server as other services are managed by systemd.


Install ffmpeg on Fedora 24

FFmpeg is an open source software used to convert video/audio into different format. To Install ffmpeg on Fedora 24, install rpmfusion repository. https://rpmfusion.org/Configuration Update your package cache Now install ffmpeg with After installation, you will see To find Package details


List all Open Ports

To list all open ports, run Example You can also use netstat -an to list all open ports


11 Year old Linux Kernal Privilege Escalation vulnerability (CVE-2017-6074)

Recently found vulnerability in Datagram Congestion Control Protocol (DCCP) implementation in Linux kernal allow process running as normal user able to get root access. This vulnerability dates back to 2005. Popular Linux distributions like RedHat, Debian, Ubuntu and SUSE have


LEDE (OpenWRT fork) released v17.01.0 final

LEDE released v17.01.0 final. The LEDE Project (“Linux Embedded Development Environment”) is a Linux operating system based on OpenWrt. It is a complete replacement for the vendor-supplied firmware of a wide range of wireless routers and non-network devices. You can


Error: did not detect an –insecure-registry argument on the Docker daemon

When i installed OpenShift on Ubuntu 16.04, i get following error I edited /etc/default/docker, added line But for some reason, docker will not take this after i restart. This is fixed by editing systemd unit for docker at Find Replace