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How to analyze Squid logs with SARG log analyzer on CentOS

http://xmodulo.com/analyze-squid-logs-sarg-log-analyzer-centos.html

#centos   #squid   #proxy   #opensource   #sysadmin  
Squid provides many useful proxy features such as caching, access control, anti-virus, load balancing, authentication, rate-limiting, and so on. However, analyzing a raw Squid log file is not straightforward. For example, how could you analyze the time stamps and the number of hits in the following Squid log? 1404788984.429 1162 172.17.1.23 TCP_MISS/302 436 GET http://facebook.com/ …Continue reading...
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Tymofiy Vlasov's profile photo
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Xmodulo

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How to start a program automatically in Linux desktop

http://xmodulo.com/start-program-automatically-linux-desktop.html

#linux   #desktop   #gnome  #kde #mate   #unity   #xfce   #lxde  
Sometimes you may want to launch a program automatically when you log in to your Linux desktop. Such start-up programs can conduct system-wide configuration (e.g., auto proxy) or user-specific desktop customization (e.g., Conky), at the time you log in to your desktop. Most Linux desktop environments have their own GUIs that allow users to configure …Continue reading...
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Francesco Sorrentino's profile photoJason Jang (wkd wowns)'s profile photo
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What is a good alternative to wget or curl on Linux

http://xmodulo.com/wget-curl-alternative-linux.html

#linux #opensource #foss
If you often need to access a web server non-interactively in a terminal environment (e.g., download a file from the web, or test REST-ful web service APIs), chances are that wget or curl is your go-to tool. With extensive command-line options, both of these tools can handle a variety of non-interactive web access use cases …Continue reading...
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David Solace's profile photoEvaldo Araújo's profile photo
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How to create an HTTP tunnel on Linux with httptunnel

http://xmodulo.com/how-to-install-httptunnel-on-linux.html

#linux   #http  #security #firewall #tunneling
HTTP-encapsulated tunnels are useful when you want to use games, IM clients, or P2P sharing applications across restrictive firewalls or proxies which tend to block pretty much everything except well known traffic such as HTTP traffic. httptunnel is GNU/GPL-licensed free software that allows you to create a bi-directional tunnel encapsulated by HTTP, between client and …Continue reading...
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To Ku's profile photoSamuel Tom's profile photo
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How to create document centric apps with concurrent tasks on Android Lollipop

http://xmodulo.com/document-centric-apps-concurrent-tasks-android.html

#androidapps   #mobileapps   #programming  
Android L introduced a great new feature: the ability for a single app to have multiple tasks available on the 'Recent Apps' list. This is called Document Centric apps (Concurrent Tasks). In fact, this feature is a rather significant change in multitasking model in Android L, where focus has been shifted from traditional app-centric multitasking …Continue reading...
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What are good open-source log monitoring tools on Linux

http://xmodulo.com/open-source-log-monitoring-tools-linux.html

#linux   #opensource   #sysadmin   #monitoring
In an operating system, logs are all about keeping track of events, be it critical system errors, resource usage warnings, transaction history, application status, or user activities. These logs, which are stored as (text or binary) files in the system, are useful for system auditing, debugging and maintenance. However, with so many different system entities …Continue reading...
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Jeroen Tiebout's profile photoJustin Marks's profile photoVijay N's profile photoDaniil Pichikin's profile photo
 
I use less

less /var/log/apache/error.log
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How to manage remote MySQL databases on Linux VPS using a GUI tool

#linux #mysql #database #sysadmin #opensource
If you need to run a MySQL server on a remote VPS instance, how will you manage databases hosted by the server remotely? Perhaps web-based database administration tools such as phpMyAdmin or Adminer will first come to mind. These web-based management tools require a backend web server and PHP engine up and running. However, if …Continue reading...
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VonVictor Rosenchild's profile photoGeorge Rainovic's profile photo
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The Internet of Things (IoT) is upon us. In a couple of years some of us might ask ourselves how we ever survived without it, just like we question our past without cellphones today. Canonical is a contender in this fast growing, but still wide open market. The company wants to claim their stakes in …Continue reading...
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freedomotic's profile photoChristian Braden's profile photo
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How to configure PCI-passthrough on virt-manager

http://ask.xmodulo.com/pci-passthrough-virt-manager.html

#virtualization   #kvm   #hypervisor  
Question: I would like to assign a network interface card to one of my guest VMs created by KVM. For that, I am trying to enable PCI passthrough of the NIC for the VM. How can I add a PCI device to a guest VM with PCI passthrough on virt-manager? Modern hypervisors enable efficient resource …Continue reading...
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Javier Fernando Vásquez Gómez's profile photoBorche Kostojchinoski's profile photoTymofiy Vlasov's profile photoCarsten Krutwage's profile photo
 
Mr +Glas Cole​ 😏
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As everything is moved to the cloud, virtualized remote desktop becomes increasingly popular in the industry as a way to enhance employee's productivity. Especially for those who need to roam constantly across multiple locations and devices, remote desktop allows them to stay connected seamlessly to their work environment. Remote desktop is attractive for employers as …Continue reading...
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miguel rodriguez's profile photoMariano Jara Melagrani's profile photoZoltán Gönczi's profile photoRoland Walter's profile photo
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Network transparency of X11 does not automatically mean we should use it.  The X11 protocol is quite low level and too chatty to be efficient over network.
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Daily Linux tips
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Linux FAQs, tips and tutorials, covering server administration, Linux desktop environment, Linux open-source software and cloud services.