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20150119-3 选题
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DeadFire
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Cutegram: A Better Telegram Client For GNU/Linux
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================================================================================
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No need for a introduction to **Telegram**, right? Telegram is a popular free Instant messenger application that can be used to chat with your friends all over the world. Unlike Whatsapp, Telegram is free forever, no ads, no subscription fees. And, the Telegram client is open source too. Telegram is available for many different platforms, including Linux, Android, iOS, Windows Phone, Windows, and Mac OS X. The messages which are sending using telegram are highly encrypted and self-destructive. It is very secure, and there is no limit on the size of your media and chats.
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You can install and use Telegram desktop on your Debian/Ubuntu systems as mentioned in [our previous tutorial][1]. However, a new telegram client called **Cutegram** is available now to make your chat experience more fun and easy.
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### What is Cutegram? ###
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Cutegram is a free and opensource telegram clients for GNU/Linux focusing on user friendly, compatibility with Linux desktop environments and easy to use. Cutegram using Qt5, QML, libqtelegram, libappindication, AsemanQtTools technologies and Faenza icons and Twitter emojies graphic sets. It’s free and released under GPLv3 license.
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### Install Cutegram ###
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Head over to the Cutegram homepage and download the latest version of your distribution’s choice. As I use Ubuntu 64 bit, I downloaded the .deb file.
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wget http://aseman.co/downloads/cutegram/cutegram_1.0.2-1-amd64.deb
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Now, Install Cutegram as shown below.
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sudo apt-get install gdebi
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sudo gdebi cutegram_1.0.2-1-amd64.deb
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For other distributions, run the following commands.
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**64bit:**
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wget http://aseman.co/downloads/cutegram/cutegram-1.0.2-linux-x64-installer.run
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**32 bit:**
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wget http://aseman.co/downloads/cutegram/cutegram-1.0.2-linux-installer.run
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Set executable permission:
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chmod + cutegram-1.0.2-linux*.run
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And, install it as shown below.
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sudo ./cutegram-1.0.2-linux*.run
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### Usage ###
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Launch Cutegram either from Menu or Unity dash. From the login screen, select your country, and enter your mobile number, finally click **Login**.
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A code will be sent to your mobile number. Enter the code and click **Sign in**.
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There you go.
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Start Chatting!
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And, you can set a profile picture, start new chat/group chat, or secret chat from using the buttons on the left pane.
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Stay happy! Cheers!!
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For more details, check the [Cutegram website][2].
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--------------------------------------------------------------------------------
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via: http://www.unixmen.com/cutegram-better-telegram-client-gnulinux/
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作者：[SK][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[a]:http://www.unixmen.com/author/sk/
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[1]:http://www.unixmen.com/install-telegram-desktop-via-ppa/
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[2]:http://aseman.co/en/products/cutegram/
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95
sources/tech/20150119 How To Disable IPv6 In CentOS 7.md
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sources/tech/20150119 How To Disable IPv6 In CentOS 7.md
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How To Disable IPv6 In CentOS 7
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================================================================================
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Recently, one of my friend asked me how to disable IPv6. After searching a bit, I found the following solution. Here is the steps that I followed to disable IPv6 in my CentOS 7 minimal server.
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You can do it in two methods.
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### Method 1 ###
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Edit file **/etc/sysctl.conf**,
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vi /etc/sysctl.conf
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Add the following lines:
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net.ipv6.conf.all.disable_ipv6 = 1
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net.ipv6.conf.default.disable_ipv6 = 1
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If you want to disable IPV6 for particular network card, for example enp0s3, add the following entry.
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net.ipv6.conf.enp0s3.disable_ipv6 = 1
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Save and exit the file.
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Execute the following command to reflect the changes.
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sysctl -p
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### Method 2: ###
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To IPv6 disable in the running system, enter the following commands one by one:
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echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6
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echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6
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or,
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sysctl -w net.ipv6.conf.all.disable_ipv6=1
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sysctl -w net.ipv6.conf.default.disable_ipv6=1
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That’s it. Now IPv6 has been disabled.
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### What If I get issues after disabling IPv6? ###
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You may get problems after disabling IPv6.
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#### Issue 1: ####
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if you get issues with SSH after disabling IPv6, do the following.
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Edit **/etc/ssh/sshd_config** file,
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vi /etc/ssh/sshd_config
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Find the line;
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#AddressFamily any
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And. change it to:
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AddressFamily inet
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or,
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Remove the hash mark **(#)** in front of the line:
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#ListenAddress 0.0.0.0
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Then, restart ssh to reflect the changes.
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systemctl restart sshd
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#### Issue 2: ####
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If you get problems with starting postfix after disabling IPv6, edit **/etc/postfix/main.cf** file;
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vi /etc/postfix/main.cf
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and comment out the localhost part of the config and use ipv4 loopback.
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#inet_interfaces = localhost
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inet_interfaces = 127.0.0.1
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That’s it. Cheers!
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--------------------------------------------------------------------------------
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via: http://www.unixmen.com/disable-ipv6-centos-7/
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作者：[SK][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[a]:http://www.unixmen.com/author/sk/
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@ -0,0 +1,33 @@
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[Quick Tip] How To Restart Cinnamon After Crash
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================================================================================
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Cinnamon is a Linux desktop environment which provides advanced innovative features and a traditional user experience. The desktop layout is similar to Gnome 2. The underlying technology is similar from Gnome Shell. The emphasis is put on making users feel at home and providing them with an easy to use and comfortable desktop experience.
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In this post, we’re going to look at a quick way to restart Cinnamon without logging out or rebooting when it crashes.
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The image below is an example of Cinnamon crashed desktop where text and icons vanish from Menu and panel.
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To restart Cinnamon
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Press **Alt + F2** this brings out a command menu. Type **r** and press Enter.
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Cinnamon should restart displaying icons and text in panel and menu.
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Enjoy!
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--------------------------------------------------------------------------------
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via: http://www.unixmen.com/quick-tip-restart-cinnamon-crash/
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作者：[Enock Seth Nyamador][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[a]:http://www.unixmen.com/author/seth/
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