The one I will discuss in this article is SSH, a secure remote protocol which is used to work remotely on other machines or transfer data between computers. Setup Sys. Log Server on Cent. OS 6 RHEL 6. Today we will be looking into how to setup a centralized log management for Linux servers, this will help the Linux admin to have a multiple server logs into one single place. The Linux admin not required to login in to each servers for checking the logs, he can just login into the centralized server and start do the logs monitoring. Linux labels auth, cron, ftp, lpr, authpriv, news, mail, syslog, etc. the log messages to indicate the type of software that generated the messages with severity Alert, critical, Warning, Notice, info, etc. Welcome to Our Community. While Linux. org has been around for a while, we recently changed management and had to purge most of the content including users. YUM is the package management tool that helps you to install or update the package through the network or local, at the same time it provides. Install the latest Nvidia graphics drivers on Linux Mint 16 Petra for best performance of Nvidia graphics cards and GPUs. Still getting used to Linux, and the GUI is great. I have Ubuntu 10 and I can go to Network and see the Windows network. Then double clicking this gets me to the. You can find more information on Message Labels and Severity Levels. Make sure you have the following to setup log server. Two Linux servers server and client. Server setup Install syslog package, if you do not have it installed. rootserver yum y install rsyslogrootserver yum y install rsyslog. Edit etcrsyslog. Un comment the following to enable the syslog server to listen on the tcp and udp port. From Provides UDP syslog reception. Mod. Load imudp. UDPServer. Run 5. 14. Provides TCP syslog reception. Mod. Load imtcp. Input. Linux Mint is a communitydriven Linux distribution based on Debian and Ubuntu that strives to be a modern, elegant and comfortable operating system which is both. Welcome to the FTP server of GWDG. We provide a large variety of project mirrors, featuring primarily open source software. Currently, ftp. gwdg. de is an entry point. TCPServer. Run 5. Provides UDP syslog reception. Mod. Load imudp. UDPServer. Run 5. 14. Provides TCP syslog reception. Mod. Load imtcp. Input. TCPServer. Run 5. To Provides UDP syslog reception. UDPServer. Run 5. Provides TCP syslog reception. Input. TCPServer. Run 5. 14 Provides UDP syslog reception. UDPServer. Run 5. Provides TCP syslog reception. Input. TCPServer. Run 5. 14. Restart the syslog servicerootserver service rsyslog restartrootserver service rsyslog restart. Verify the syslog server listening. rootserver netstat antup grep 5. LISTEN      8. 08. LISTEN      8. 08. LISTEN      8. 08. LISTEN      8. 08. Client setup Edit etcrsyslog. At the end of file place the following line to point the client message log to the server. You can either mention hostname or ip address. Restart the syslog servicerootclient service rsyslog restartrootclient service rsyslog restart. Now all the message logs are sent to the central server and also it keeps the copy locally. Firewall Port opening Optional Mostly all the production environment are protected by hardware firewall, ask them to open the TCP UDP 5. You can verify the port opening by issuing the following command from the client. rootclient telnet 1. Trying 1. 92. 1. 68. Connected to 1. 92. Escape character is. rootclient telnet 1. Trying 1. 92. 1. 68. Connected to 1. 92. Escape character is. If it didnt give any reply, disable firewall on both client and server. Test Monitor the activity from the log server, open the message log. rootserver tailf varlogmessagesrootserver tailf varlogmessages. Now restart xinetd service on client, Now you can get the service restart message on the syslog server. Oct 1. 7 1. 5 0. Version 2. 3. 1. 4 started with libwrap loadavg labeled networking options compiled in. Oct 1. 7 1. 5 0. Started working 0 available services. Oct 1. 7 1. 5 0. Version 2. 3. 1. 4 started with libwrap loadavg labeled networking options compiled in. Oct 1. 7 1. 5 0. Started working 0 available services. By this way you can monitor the other logs such as secure, mail, cron logs etc.