未命名

沉默了很久,想聊一些事情,想做的东西很多,无从下手的东西也很多。

Ghost Assassin:免费翻墙账号网站大集合

免费翻墙账号网站大集合
鉴于很多人找免费账号找得很辛苦,这次我就向大家推荐一些免费账号发布网站:
1,http://www.goagent.biz/ ,免费shadowsocks和VPN账号
2,http://www.wufuli.com/ ,免费shadowsocks账号
3, http://www.babysaying.net/free-ss,免费shadowsocks账号
4,http://blog.ss-link.com/archives/27,免费shadowsocks账号
5,https://cattt.com/ ,免费shadowsocks账号,需要邀请码才能注册,请自行寻找
6,http://free.kuaishangss.tk/ ,免费shadowsocks账号,现在已经没有邀请码了
7,http://www.aiweibk.com/technology/shiyong,免费shadowsocks账号
8,http://www.800vpn.net/forum.php,免费shadowsocks账号和VPN账号
9,http://ss.gav1n.com/ ,免费shadowsocks账号,定期申请注册
10,http://secpert.com/forum.php,免费shadowsocks账号
11,http://www.fyhqy.com/356/ ,免费shadowsocks账号
12,https://www.123ssh.net/free.php ,免费shadowsocks账号和SSH账号
13,http://shadowsocks.info/ ,免费shadowsocks账号
14,http://www.v2ex.com/go/shadowsocks ,免费shadowsocks账号
15https://plus.google.com/109790703964908675921/posts/b9TeivA6zRU ,免费VPN账号
16,google “free vpn”就会出现一大堆免费VPN账号的
17,这里的shadowsocks社群里也经常会有人分享免费shadowsocks账号,https://plus.google.com/communities/106442142549456855872
18,http://tashi.xyz/ ,免费shadowsocks账号,网站上即时刷新邀请码(现在已经没有邀请码了)
19,http://114ss.tk/ ,免费shadowsocks账号,网站上提供邀请码(关闭注册了)
20,shadowsocks公益帐号圈https://plus.google.com/communities/104092405342699579599 ,各种免费shadowsocks账号和网站分享(现在基本上变成了邀请码分享社群了)
21,http://acrossthegreatwall.org/,免费SSH和shadowsocks账号
22,https://www.shadowsocks5.com/,免费shadowsocks,请自行寻找邀请码注册
23,http://hidess.com/ ,免费shadowsocks和VPN账号
24,https://ssfree.ml/,免费shadowsocks,请自行寻找邀请码注册
25,http://shell.dns1.us/,免费shadowsocks,请自行寻找邀请码注册
26,http://ssnode.com/,免费shadowsocks,请自行寻找邀请码注册

linux下升级Python至2.x的最新版

简介

  • 之所以是2.x的最新版,而不是最新版,原因有很多,不过最大的原因还是兼容问题,以及以及软件库的可用量问题。
  • 显然2.x就像是Windows,而3.x就像是linux(当然这个比喻或许有点不恰当。linux的应用对比Windows来说不会少太多。)
  • 虽然性能优异,但是3.x的应用库还是略显稀少多数第三方库都还在使用2.x版本的Python。

步骤如下

1. 下载:

$ wget -c https://www.python.org/ftp/python/2.7.9/Python-2.7.9.tgz

2. 解压

$ tar zxvf Python-2.7.9.tgz

3. 安装

# cd Python-2.7.9 && ./configure  && make && make install

1. 注意,这个是覆盖安装,如果有更多老版本需求,建议在configure 后面添加路径参数,如:–prefix=/usr/python27

  2. use root to install it! 

4. 看看成果吧。python v2.7.9

python -V


Install PIP

https://pip.pypa.io/en/latest/installing.html

# curl -O https://bootstrap.pypa.io/get-pip.py
# python get-pip.py

Angry IP Scanner: Scan IP Addresses And Ports For Analyzing Networks

Angry IP Scanner, also known as ipscan, is an open source network scanning tool that can be used to scan the ip addresses and ports on your network. It supports Linux, Windows, MAc OSX and other platforms. It has designed to be fast and simple to use. It has been used by Network administrators on almost all organizations.

Features

- Lightweight and cross-platform.
– Scans ip addresses in any range.
– Doesn’t require any installation
– Check for ip address if it is alive.
– Resolves hostnames, determines ip addresses and scans ports.
– Multi-threaded support to speed up scanning process.

Installation

As i mentioned before, we don’t have to install it. All we need is our system should have installed with Oracle java or openjdk. Just download the ipscan jar file and run it with command:

# java -jar ipscan.x.x.jar

Also you can install it if you wish. Just download deb/rpm packages and install as described below.

Hence all modern operating system comes with openjdk in their default repositories, we don’t have to worry about openjdk installation.

First install openjdk using command:

On Debian/Ubuntu:

$ sudo apt-get install openjdk-7-jdk

On RHEL/CentOS:

# yum install java-1.7.0-openjdk

Then grab Angry IP Scanner latest version from here depending upon your platform and  architecture.

After downloading it, go to the directory where you have downloaded and install it using command:

On Debian/Ubuntu:

$ sudo dpkg -i ipscan_3.2.1_*.deb

On RHEL/CentOS:

[[email protected] ~]# rpm -Uvh /ipscan-3.2.1-*.rpm

Launch Angry IP Scanner

After installing, launch it either from Menu or Dash. At the first launch, you’ll pleased with Getting Started screen. You can read it by clicking on the Next button or click Close to exit Getting Started screen.

IP Range - Angry IP Scanner _001By default, your local ip address is selected. You can specify other ip addresses as well to start scan.

IP Range - Angry IP Scanner _002

Scan Local System

Let us start with local system ip address. Click Start to scan. After a couple of seconds, you will get the Scan Statistics like below.

Scan Statistics _003To view the hostname, ports of the system, just double click on the ip address. You will get the details as shown here.

IP address details _006Scan ‘n’ number of  system

In the above test, we scanned only single system, i.e I entered the the same ip address on IP Range boxes. Now let me scan some remote systems on my network. Say for example, let us scan systems whose has ip address between 192.168.1.100 to 192.168.1.110.

Enter ip addresses 192.168.1.100 and 192.168.1.110 in the from and to column boxes of IP Range and click Start button.

Now you’ll see the list of alive hosts in the range of network that you have entered.

IP Range - Angry IP Scanner _007As you see in the above statistics, i have two hosts running on my network. Pretty easy, isn’t?

More Commands

Not only it displays the alive hosts in your network, also it will allow you to manage the remote systems. Let us see how.

Let us say you want to ssh to a system on your network. Just right click on the ip address, go to Open and select SSH. Alternatively you can open it from Menu bar. Click on the Commands button on the menu bar and go to Open -> SSH.

Menu_010A new small window will appear and will ask the password the password to log in to the system. Enter it and you’re in business. Now you should be able to ssh to your remote system.

sk@server:~_011Be mindful that, your remote server have SSH installed, otherwise you won’t be able to connect via ssh. Like this way, you can do various commands such as ftp, trace route, telnet etc.

While testing this app, i found myself, it will be quite useful for Network administrators. It is simple, but powerful and it does the job as advertised. Hope it will be useful for you.

Good luck!

How To Add Swap On Linux

Swap is a type of filesystem and is a virtual memory. Whenever your RAM is full, your operating system will look for further memory in your swap space. For this reason, you reserve some part of the hard disk to create a swap partition.

swap

Identifying Current Swap Space Usage

[[email protected] ~]# cat /proc/swaps
Filename          Type          Size          Used        Priority 
/dev/sda7     partition        1951740         4                -1

Alternatively, use the swapon command:

[[email protected] ~]# swapon -s
Filename            Type           Size          Used      Priority
/dev/sda7          partition      1951740           4            -1

Finally, the free command may also be used:

[[email protected] ~]# free
                      total       used           free     shared     buffers     cached
Mem:            895112     721656    173456      0         36592      310156
-/+ buffers/cache:         374908    520204
Swap:           1952736         4    1952732

Adding a Swap File

Additional swap may be quickly added to the system by creating a file and assigning it as swap. This is achieved as follows. The following dd command example creates a swap file with the name swap with a size of 1Gb.

Create the swap file using the dd command:

[[email protected] ~]# dd if=/dev/zero of=/swap bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 17.4283 s, 61.6 MB/s

Configure the file as swap

Change the permission of the swap file so that only root can access it

[[email protected] ~]# chmod 600 /root/swap

[[email protected] ~]# mkswap /swap
 Setting up swapspace version 1, size = 1048572 KiB
 Enable the newly created swapfile :

[[email protected] ~]# swapon /swap

Finally, modify the /etc/fstab file to automatically add the new swap at system boot time by adding the following line:

# cat /etc/fstab
/swap    none    swap    sw    0 0

Once the swap space has been activated, verify that it is in use using the swapon –s command:

[[email protected] ~]# swapon -s
Filename      Type        Size       Used    Priority
/dev/sda7    partition   1951740  142884      -1
/swap            file         1048572       0         -2
[[email protected] ~]# free -k
                 total       used       free      shared       buffers      cached
Mem:        895112     828484      66628          0        2144        539552
-/+ buffers/cache:     286788      608324
Swap:       3000312    142876      2857436

If you don’t want to reboot to verify whether the system takes all the swap space mentioned in the /etc/fstab, use following to enable or disable swap.

[[email protected] ~]# swapoff -a
[[email protected] ~]# swapon -a

De-activate the additional swap space at any time using the swapoff command as follows:

 

[[email protected] ~]# swapoff /newswap

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