nixCraft » log messages http://www.cyberciti.biz/tips This is a Linux sys admin journal by Vivek about sys admin work, Linux tips & tricks, hacks, news and more. Fri, 03 Feb 2012 22:45:35 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 How To Tail (View) Multiple Files on UNIX / Linux Consolehttp://www.cyberciti.biz/tips/multitail-view-multiple-files-like-tail-command.html http://www.cyberciti.biz/tips/multitail-view-multiple-files-like-tail-command.html#comments Mon, 09 Feb 2009 19:28:32 +0000 Vivek Gite http://www.cyberciti.biz/tips/?p=4399 tail is one of the best tool to view log files in a real time (tail -f /path/to/log.file). The program MultiTail lets you view one or multiple files like the original tail program. The difference is that it creates multiple windows on your console (with ncurses). This is one of those dream come true program for UNIX sys admin job. You can browse through several log files at once and do various operations like search for errors and much more.]]> http://www.cyberciti.biz/tips/multitail-view-multiple-files-like-tail-command.html/feed 12 Linux Iptables Firewall: Log IP or TCP Packet Headerhttp://www.cyberciti.biz/tips/iptables-log-network-layer-ip-tcp-headers.html http://www.cyberciti.biz/tips/iptables-log-network-layer-ip-tcp-headers.html#comments Wed, 09 Jan 2008 13:46:31 +0000 Vivek Gite http://www.cyberciti.biz/tips/iptables-log-network-layer-ip-tcp-headers.html Detect Attacks => Analyze IP / TCP Headers => Troubleshoot Problems => Intrusion Detection => Iptables Log Analysis => Use 3rd party application such as PSAD (a tool to detect port scans and other suspicious [...]]]> http://www.cyberciti.biz/tips/iptables-log-network-layer-ip-tcp-headers.html/feed 0 How to: Upgrade Red Hat Enterprise Linux (RHEL) to latest Releases 5.1http://www.cyberciti.biz/tips/rhel-51-upgrade-howto.html http://www.cyberciti.biz/tips/rhel-51-upgrade-howto.html#comments Thu, 08 Nov 2007 12:47:00 +0000 Vivek Gite http://www.cyberciti.biz/tips/rhel-51-upgrade-howto.html http://www.cyberciti.biz/tips/rhel-51-upgrade-howto.html/feed 5 Test If Linux Server SCSI / SATA Hard Disk Going Badhttp://www.cyberciti.biz/tips/linux-find-out-if-harddisk-failing.html http://www.cyberciti.biz/tips/linux-find-out-if-harddisk-failing.html#comments Wed, 04 Jul 2007 20:16:21 +0000 Vivek Gite http://www.cyberciti.biz/tips/linux-find-out-if-harddisk-failing.html One of our regular sends us a question:
How can I test if my hard disk is going bad? I see few errors in /var/log/messages file.
I/O errors in /var/log/messages indicates that something is wrong with the hard disk and it may be failing. You can check hard disk errors using smartctl command, which is control and monitor utility for SMART disks under Linux / UNIX like operating systems.]]> http://www.cyberciti.biz/tips/linux-find-out-if-harddisk-failing.html/feed 11 Force iptables to log messages to a different log filehttp://www.cyberciti.biz/tips/force-iptables-to-log-messages-to-a-different-log-file.html http://www.cyberciti.biz/tips/force-iptables-to-log-messages-to-a-different-log-file.html#comments Tue, 03 Oct 2006 20:26:25 +0000 Vivek Gite http://www.cyberciti.biz/tips/force-iptables-to-log-messages-to-a-different-log-file.html http://www.cyberciti.biz/tips/force-iptables-to-log-messages-to-a-different-log-file.html/feed 34