System

16/06/2016
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How to monitor a log file on Linux with logwatch

Linux operating system and many applications create special files commonly referred to as "logs" to record their operational events. These ...
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How to Backup Linux? 15 rsync Command Examples

rsync stands for remote sync.rsync is used to perform the backup operation in UNIX / Linux.rsync utility is used to ...
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Collect & visualize your logs with Logstash, Elasticsearch & Redis

Source: michael.bouvy.net Update of December 6th : although Logstash does the job as a log shipper, you might consider replacing ...
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How to secure SSH login with one-time passwords on Linux

As someone says, security is a not a product, but a process. While SSH protocol itself is cryptographically secure by ...
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How to run iptables automatically after reboot on Debian

If you have customized iptables rules, and would like to load the customized iptables rules persistently across reboots on Debian, ...
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Sécuriser son serveur Linux

Sécuriser LinuxCe guide va vous apprendre à sécuriser un serveur et donc vous initier aux thématiques de la sécurité informatique ...
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What are useful CLI tools for Linux system admins ?

System administrators (sysadmins) are responsible for day-to-day operations of production systems and services. One of the critical roles of sysadmins ...
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What are good open-source log monitoring tools on Linux ?

In an operating system, logs are all about keeping track of events, be it critical system errors, resource usage warnings, ...
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16 commands to check hardware information on Linux

Source: BinaryTides Hardware information Like for every thing, there are plenty of commands to check information about the hardware of ...
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inotify / incron : Lancer une commande en cas d’action sur un fichier/un répertoire

“inotify”, Remplaçant de “dnotify”, est une technologie, intégrée au noyau Linux (>=2.6.13) , destinée à notifier les événements, modifications, accès, ...
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Simple versioned TimeMachine-like backup using rsync

Using TimeMachine with rsync: Over many years, I have dealt with scripts that do backup versioning, i.e., maintain multiple backups ...
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How to configure a syslog server with rsyslog on Linux

A syslog server represents a central log monitoring point on a network, to which all kinds of devices including Linux ...
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80 Linux Monitoring Tools for SysAdmins

Source: ServerDensity The industry is hotting up at the moment, and there are more tools than you can shake a ...
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Get Weather Reports from the Command Line with finger

Checking weather: purpose of the command There’s no shortage of methods to retrieve a weather report, the web is full ...
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HP-41C/CV/CX

Around the time of the HP-67, an article in the Hewlett-Packard Journal, stated that electronic technology was no longer the ...
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Running Commands on a Remote Linux / UNIX Host

Remote Linux CommandsYou would like to execute a command on a remote Linux/FreeBSD/Solaris/UNIX host and have the result displayed locally ...
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