diff --git a/sources/tech/20150114 How to Install Ghost on Ubuntu Server 14.04 LTS (Trusty).md b/sources/tech/20150114 How to Install Ghost on Ubuntu Server 14.04 LTS (Trusty).md new file mode 100644 index 0000000000..0e23ec3eae --- /dev/null +++ b/sources/tech/20150114 How to Install Ghost on Ubuntu Server 14.04 LTS (Trusty).md @@ -0,0 +1,74 @@ +How to Install Ghost on Ubuntu Server 14.04 LTS (Trusty) +================================================================================ +Today, we will install Ghost, a blogging platform in an Ubuntu Server 14.04 LTS (Trusty). + +Ghost is the most amazing publishing platform which is beautifully designed, easy to use, and free for everyone. It is Free and Open Source Software (FOSS), its source code is available in github. The interface is intended to be simple, and an analytics dashboard is planned, as of January 2014. Editing is facilitated using a split screen display. + +So, here are the steps-wise tutorial below on how to setup Ghost on Ubuntu Server: + +### 1. Updating Ubuntu ### + +The first step will be to run through the Ubuntu software updates and install a couple of extra packages that will be needed. + + sudo apt-get update + sudo apt-get upgrade -y + sudo aptitude install -y build-essential zip vim wget + +### 2. Download and Install the Node.js Source Code ### + + wget http://nodejs.org/dist/node-latest.tar.gz + tar -xzf node-latest.tar.gz + cd node-v* + +Now, we'll install Node.js by the following commands: + + ./configure + make + sudo make install + +### 3. Download and Install Ghost ### + + sudo mkdir -p /var/www/ + cd /var/www/ + sudo wget https://ghost.org/zip/ghost-latest.zip + sudo unzip -d ghost ghost-latest.zip + cd ghost/ + sudo npm install --production + +### 4.Configuring Ghost ### + + sudo nano config.example.js + +In the "Production" section, change the following: + + host: '127.0.0.1', + +to + + host: '0.0.0.0', + +### Create Ghost User ### + + sudo adduser --shell /bin/bash --gecos 'Ghost application' ghost + sudo chown -R ghost:ghost /var/www/ghost/ + +Now to start Ghost, you will need to log into your "ghost" user. + + su - ghost + cd /var/www/ghost/ + +Now that you are logged in with your "ghost" user you can start Ghost: + + npm start --production + +-------------------------------------------------------------------------------- + +via: http://linoxide.com/ubuntu-how-to/install-ghost-ubuntu-server-14-04/ + +作者：[Arun Pyasi][a] +译者：[译者ID](https://github.com/译者ID) +校对：[校对者ID](https://github.com/校对者ID) + +本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出 + +[a]:http://linoxide.com/author/arunp/ \ No newline at end of file diff --git a/sources/tech/20150114 How to Manage Network using nmcli Tool in RedHat or CentOS 7.x.md b/sources/tech/20150114 How to Manage Network using nmcli Tool in RedHat or CentOS 7.x.md new file mode 100644 index 0000000000..b874ccd089 --- /dev/null +++ b/sources/tech/20150114 How to Manage Network using nmcli Tool in RedHat or CentOS 7.x.md @@ -0,0 +1,93 @@ +How to Manage Network using nmcli Tool in RedHat / CentOS 7.x +================================================================================ +A new feature of [**Red Hat Enterprise Linux 7**][1] and **CentOS 7** is that the default networking service is provided by **NetworkManager**, a dynamic network control and configuration daemon that attempts to keep network devices and connections up and active when they are available while still supporting the traditional ifcfg type configuration files. NetworkManager can be used with the following types of connections: Ethernet, VLANs, Bridges, Bonds, Teams, Wi-Fi, mobile broadband (such as cellular 3G), and IP-over-InfiniBand. For these connection types, NetworkManager can configure network aliases, IP addresses, static routes, DNS information, and VPN connections, as well as many connection-specific parameters. + +The NetworkManager can be controlled with the command-line tool, **nmcli**. + +### General nmcli usage ### + +The general syntax for nmcli is: + + # nmcli [ OPTIONS ] OBJECT { COMMAND | help } + +One cool thing is that you can use the TAB key to complete actions when you write the command so if at any time you forget the syntax you can just press TAB to see a list of available options. + +![nmcli tab](http://blog.linoxide.com/wp-content/uploads/2014/12/nmcli-tab.jpg) + +Some examples of general nmcli usage: + + # nmcli general status + +Will display the overall status of NetworkManager. + + # nmcli connection show + +Will display all connections. + + # nmcli connection show -a + +Will display only the active connections. + + # nmcli device status + +Will display a list of devices recognized by NetworkManager and their current state. + +![nmcli general](http://blog.linoxide.com/wp-content/uploads/2014/12/nmcli-gneral.jpg) + +### Starting / stopping network interfaces ### + +You can use the nmcli tool to start or stop network interfaces from the command line, this is the equivalent of up/down in ifconfig. + +To stop an interface use the following syntax: + + # nmcli device disconnect eno16777736 + +To start it you can use this syntax: + + # nmcli device connect eno16777736 + +### Adding an ethernet connection with static IP ### + +To add a new ethernet connection with a static IP address you can use the following command: + + # nmcli connection add type ethernet con-name NAME_OF_CONNECTION ifname interface-name ip4 IP_ADDRESS gw4 GW_ADDRESS + +replacing the NAME_OF_CONNECTION with the name you wish to apply to the new connection, the IP_ADDRESS with the IP address you wish to use and the GW_ADDRESS with the gateway address you use (if you don't use a gateway you can omit this last part). + + # nmcli connection add type ethernet con-name NEW ifname eno16777736 ip4 192.168.1.141 gw4 192.168.1.1 + +To set the DNS servers for this connection you can use the following command: + + # nmcli connection modify NEW ipv4.dns "8.8.8.8 8.8.4.4" + +To bring up the new Ethernet connection, issue a command as follows: + + # nmcli connection up NEW ifname eno16777736 + +To view detailed information about the newly configured connection, issue a command as follows: + + # nmcli -p connection show NEW + +![nmcli add static](http://blog.linoxide.com/wp-content/uploads/2014/12/nmcli-add-static.jpg) + +### Adding a connection that will use DHCP ### + +If you wish to add a new connection that will use DHCP to configure the interface IP address, gateway address and dns servers, all you have to do is omit the ip/gw address part of the command and Network Manager will use DHCP to get the configuration details. + +For example, to create a DHCP configured connection profile named NEW_DHCP, on device +eno16777736 you can use the following command: + + # nmcli connection add type ethernet con-name NEW_DHCP ifname eno16777736 + +-------------------------------------------------------------------------------- + +via: http://linoxide.com/linux-command/nmcli-tool-red-hat-centos-7/ + +作者：[Adrian Dinu][a] +译者：[译者ID](https://github.com/译者ID) +校对：[校对者ID](https://github.com/校对者ID) + +本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出 + +[a]:http://linoxide.com/author/adriand/ +[1]:https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.0_Release_Notes/ \ No newline at end of file diff --git a/sources/tech/20150114 Install Gitblit On Ubuntu or Fedora or CentOS.md b/sources/tech/20150114 Install Gitblit On Ubuntu or Fedora or CentOS.md new file mode 100644 index 0000000000..2a23ca74fa --- /dev/null +++ b/sources/tech/20150114 Install Gitblit On Ubuntu or Fedora or CentOS.md @@ -0,0 +1,149 @@ +Install Gitblit On Ubuntu / Fedora / CentOS +================================================================================ +**Git** is a distributed revision control system with an emphasis on speed, data integrity, and support for distributed, non-linear workflows. Git was initially designed and developed by Linus Torvalds for Linux kernel development in 2005, and has since become the most widely adopted version control system for software development. + +As with most other distributed revision control systems, and unlike most client–server systems, every Git working directory is a full-fledged repository with complete history and full version-tracking capabilities, independent of network access or a central server. Like the Linux kernel, Git is free software distributed under the terms of the GNU General Public License version 2. + +In this tutorial let me show you how to install gitblit server. The recent stable release of gitblit is 1.6.2. [Gitblit][1] is an open-source, pure Java stack for managing, viewing, and serving [Git][2] repositories. It’s designed primarily as a tool for small workgroups who want to host centralized repositories. + + mkdir -p /opt/gitblit; cd /opt/gitblit; wget http://dl.bintray.com/gitblit/releases/gitblit-1.6.2.tar.gz + +### List the directory: ### + + root@vps124229 [/opt/gitblit]# ls + ./ docs/ gitblit-stop.sh* LICENSE service-ubuntu.sh* + ../ ext/ install-service-centos.sh* migrate-tickets.sh* + add-indexed-branch.sh* gitblit-1.6.2.tar.gz install-service-fedora.sh* NOTICE + authority.sh* gitblit.jar install-service-ubuntu.sh* reindex-tickets.sh* + data/ gitblit.sh* java-proxy-config.sh* service-centos.sh* + +The default configurations in this file data/gitblit.properties you can change it to your need. + +### Start gitblit server with: ### + +### Via service: ### + + root@vps124229 [/opt/gitblit]# cp service-centos.sh /etc/init.d/gitblit + root@vps124229 [/opt/gitblit]# chkconfig --add gitblit + root@vps124229 [/opt/gitblit]# service gitblit start + Starting gitblit server + . + +### Start it manually: ### + + root@vps124229 [/opt/gitblit]# java -jar gitblit.jar --baseFolder data + 2015-01-10 09:16:53 [INFO ] ***************************************************************** + 2015-01-10 09:16:53 [INFO ] _____ _ _ _ _ _ _ + 2015-01-10 09:16:53 [INFO ] | __ \(_)| | | | | |(_)| | + 2015-01-10 09:16:53 [INFO ] | | \/ _ | |_ | |__ | | _ | |_ + 2015-01-10 09:16:53 [INFO ] | | __ | || __|| '_ \ | || || __| + 2015-01-10 09:16:53 [INFO ] | |_\ \| || |_ | |_) || || || |_ + 2015-01-10 09:16:53 [INFO ] \____/|_| \__||_.__/ |_||_| \__| + 2015-01-10 09:16:53 [INFO ] Gitblit v1.6.2 + 2015-01-10 09:16:53 [INFO ] + 2015-01-10 09:16:53 [INFO ] ***************************************************************** + 2015-01-10 09:16:53 [INFO ] Running on Linux (3.8.13-xxxx-grs-ipv6-64-vps) + 2015-01-10 09:16:53 [INFO ] Logging initialized @842ms + 2015-01-10 09:16:54 [INFO ] Using JCE Unlimited Strength Jurisdiction Policy files + 2015-01-10 09:16:54 [INFO ] Setting up HTTPS transport on port 8443 + 2015-01-10 09:16:54 [INFO ] certificate alias = localhost + 2015-01-10 09:16:54 [INFO ] keyStorePath = /opt/gitblit/data/serverKeyStore.jks + 2015-01-10 09:16:54 [INFO ] trustStorePath = /opt/gitblit/data/serverTrustStore.jks + 2015-01-10 09:16:54 [INFO ] crlPath = /opt/gitblit/data/certs/caRevocationList.crl + 2015-01-10 09:16:54 [INFO ] Shutdown Monitor listening on port 8081 + 2015-01-10 09:16:54 [INFO ] jetty-9.2.3.v20140905 + 2015-01-10 09:16:55 [INFO ] NO JSP Support for /, did not find org.apache.jasper.servlet.JspServlet + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IRuntimeManager]---- + 2015-01-10 09:16:55 [INFO ] Basefolder : /opt/gitblit/data + 2015-01-10 09:16:55 [INFO ] Settings : /opt/gitblit/data/gitblit.properties + 2015-01-10 09:16:55 [INFO ] JVM timezone: America/Montreal (EST -0500) + 2015-01-10 09:16:55 [INFO ] App timezone: America/Montreal (EST -0500) + 2015-01-10 09:16:55 [INFO ] JVM locale : en_US + 2015-01-10 09:16:55 [INFO ] App locale : + 2015-01-10 09:16:55 [INFO ] PF4J runtime mode is 'deployment' + 2015-01-10 09:16:55 [INFO ] Enabled plugins: [] + 2015-01-10 09:16:55 [INFO ] Disabled plugins: [] + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.INotificationManager]---- + 2015-01-10 09:16:55 [WARN ] Mail service disabled. + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IUserManager]---- + 2015-01-10 09:16:55 [INFO ] ConfigUserService(/opt/gitblit/data/users.conf) + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IAuthenticationManager]---- + 2015-01-10 09:16:55 [INFO ] External authentication disabled. + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ---- [com.gitblit.transport.ssh.IPublicKeyManager]---- + 2015-01-10 09:16:55 [INFO ] FileKeyManager (/opt/gitblit/data/ssh) + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IRepositoryManager]---- + 2015-01-10 09:16:55 [INFO ] Repositories folder : /opt/gitblit/data/git + 2015-01-10 09:16:55 [INFO ] Identifying repositories... + 2015-01-10 09:16:55 [INFO ] 0 repositories identified with calculated folder sizes in 11 msecs + 2015-01-10 09:16:55 [INFO ] Lucene will process indexed branches every 2 minutes. + 2015-01-10 09:16:55 [INFO ] Garbage Collector (GC) is disabled. + 2015-01-10 09:16:55 [INFO ] Mirror service is disabled. + 2015-01-10 09:16:55 [INFO ] Alias UTF-9 & UTF-18 encodings as UTF-8 in JGit + 2015-01-10 09:16:55 [INFO ] Preparing 14 day commit cache. please wait... + 2015-01-10 09:16:55 [INFO ] 0 repositories identified with calculated folder sizes in 0 msecs + 2015-01-10 09:16:55 [INFO ] built 14 day commit cache of 0 commits across 0 repositories in 2 msecs + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IProjectManager]---- + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IFederationManager]---- + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IGitblit]---- + 2015-01-10 09:16:55 [INFO ] Starting services manager... + 2015-01-10 09:16:55 [INFO ] Federation passphrase is blank! This server can not be PULLED from. + 2015-01-10 09:16:55 [INFO ] Fanout PubSub service is disabled. + 2015-01-10 09:16:55 [INFO ] Git Daemon is listening on 0.0.0.0:9418 + 2015-01-10 09:16:55 [INFO ] SSH Daemon (NIO2) is listening on 0.0.0.0:29418 + 2015-01-10 09:16:55 [WARN ] No ticket service configured. + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] ----[com.gitblit.manager.IPluginManager]---- + 2015-01-10 09:16:55 [INFO ] No plugins + 2015-01-10 09:16:55 [INFO ] + 2015-01-10 09:16:55 [INFO ] All managers started. + +Open your browser to **http://localhost:8080** or **https://localhost:8443** depending on your chosen configuration. Enter the default administrator credentials: **admin / admin** and click the **Login** button. + +![snapshot2](http://180016988.r.cdn77.net/wp-content/uploads/2015/01/snapshot2.png) + +### Add user: ### + +![snapshot1](http://180016988.r.cdn77.net/wp-content/uploads/2015/01/snapshot1.png) + +Add repo: + +![snapshot3](http://180016988.r.cdn77.net/wp-content/uploads/2015/01/snapshot3.png) + +### Create a new repository on the command-line: ### + + touch README.md + git init + git add README.md + git commit -m "first commit" + git remote add origin ssh://admin@142.4.202.70:29418/Programming.git + git push -u origin master + +### Push an existing repository from the command-line: ### + + git remote add origin ssh://admin@142.4.202.70:29418/Programming.git + git push -u origin master + +Done! + +-------------------------------------------------------------------------------- + +via: http://www.unixmen.com/install-gitblit-ubuntu-fedora-centos/ + +作者：[M.el Khamlichi][a] +译者：[译者ID](https://github.com/译者ID) +校对：[校对者ID](https://github.com/校对者ID) + +本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出 + +[a]:http://www.unixmen.com/author/pirat9/ +[1]:http://gitblit.com/ +[2]:http://git-scm.com/ \ No newline at end of file diff --git a/sources/tech/20150114 Installing Telnet In CentOS or RHEL or Scientific Linux 6 & 7.md b/sources/tech/20150114 Installing Telnet In CentOS or RHEL or Scientific Linux 6 & 7.md new file mode 100644 index 0000000000..1c16f35b63 --- /dev/null +++ b/sources/tech/20150114 Installing Telnet In CentOS or RHEL or Scientific Linux 6 & 7.md @@ -0,0 +1,158 @@ +Installing Telnet In CentOS/RHEL/Scientific Linux 6 & 7 +================================================================================ +#### Disclaimer: #### + +Before installing and using Telnet, keep the following in mind. + +- Using Telnet in public network(WAN) is very very bad idea. It transmits login data in the clear format. Everything will be sent in plain text. +- If you still need Telnet, It is highly recommended use it in the local area network only. +- Alternatively, you can use **SSH**. But make sure you’ve disabled root login in SSH. + +### What Is Telnet? ### + +[Telnet][1] is a network protocol which is used to connect to remote computers over TCP/IP network. Once you establish a connection to the remote computer, it becomes a virtual terminal and will allow you to communicate with the remote host from your local system. + +In this brief tutorial, let us see how to install Telnet, and how to access remote systems via Telnet. + +### Installation ### + +Open your terminal and type the following command to install telnet: + + yum install telnet telnet-server -y + +Now, the telnet has been installed in your server. Next, edit the telnet configuration file **/etc/xinetd.d/telnet**; + + vi /etc/xinetd.d/telnet + +Set **disable = no**: + + # default: on + # description: The telnet server serves telnet sessions; it uses \ + # unencrypted username/password pairs for authentication. + service telnet + { + flags = REUSE + socket_type = stream + wait = no + user = root + server = /usr/sbin/in.telnetd + log_on_failure += USERID + disable = no + } + +Save and quit the file. Be mindful that you don’t have do this step in CentOS 7. + +Now restart the telnet service using the following command: + +On CentOS 6.x systems: + + service xinetd start + +Make this service to start automatically on every reboot: + +On CentOS 6: + + chkconfig telnet on + chkconfig xinetd on + +On CentOS 7: + + systemctl start telnet.socket + systemctl enable telnet.socket + +Allow the telnet default port **23** through your firewall and Router. To allow the telnet port through firewall, Edit file **/etc/sysconfig/iptables** on CentOS 6.x systems: + + vi /etc/sysconfig/iptables + +Add the line as shown in red color: + + # Firewall configuration written by system-config-firewall + # Manual customization of this file is not recommended. + *filter + :INPUT ACCEPT [0:0] + :FORWARD ACCEPT [0:0] + :OUTPUT ACCEPT [0:0] + -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT + -A INPUT -p icmp -j ACCEPT + -A INPUT -i lo -j ACCEPT + -A INPUT -p tcp -m state --state NEW --dport 23 -j ACCEPT + -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT + -A INPUT -j REJECT --reject-with icmp-host-prohibited + -A FORWARD -j REJECT --reject-with icmp-host-prohibited + COMMIT + +Save and exit the file. Restart iptables service: + + service iptables restart + +On CentOS 7, run the following commands to enable telnet service through firewall. + + firewall-cmd --permanent --add-port=23/tcp + firewall-cmd --reload + +Thats it. Now telnet server is ready to use. + +#### Creating users #### + +Create a test user, for example “**sk**” with password “**centos**“: + + useradd sk + passwd sk + +#### Client Side Configuration #### + +Install telnet package: + + yum install telnet + +On DEB based systems: + + sudo apt-get install telnet + +Now, open Terminal, and try to access your server(remote host). + +If your client is Linux system, open the terminal and type the following command to connect to telnet server. + + telnet 192.168.1.150 + +Enter username and password which we have created in the server: + +Sample output: + + Trying 192.168.1.150... + Connected to 192.168.1.150. + Escape character is '^]'. + + Kernel 3.10.0-123.13.2.el7.x86_64 on an x86_64 + server1 login: sk + Password: + [sk@server1 ~]$ + +As you see in the above output, the remote system has been successfully accessed from the local machine. + +If your client is windows system, then go to **Start -> Run -> Command Prompt**. + +In the command prompt, type the command: + + telnet 192.168.1.150 + +Where **192.168.1.150** is remote host IP address. + +Now you will be able to connect to your server. + +That’s it. + +Cheers! + +-------------------------------------------------------------------------------- + +via: http://www.unixmen.com/installing-telnet-centosrhelscientific-linux-6-7/ + +作者：[SK][a] +译者：[译者ID](https://github.com/译者ID) +校对：[校对者ID](https://github.com/校对者ID) + +本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出 + +[a]:http://www.unixmen.com/author/sk/ +[1]:http://en.wikipedia.org/wiki/Telnet \ No newline at end of file