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Claymore Dual Ethereum AMD + NVIDIA GPU Miner v14.7 (Windows / Linux) – Cryptocurrency Corner

Dual Ethereum + Claymore's Decred & Siacoin / Lbry / Pascal / Blake2s / Keccak AMD + NVIDIA GPU.
==========================

The latest version is v14.7 – Supercharged Edition:

– From now on, the miner driver no longer needs to switch from Windows to test mode. If you want to disable the test mode, use the "-driver uninstall" option (with administrator rights) and reboot.
Then start Miner with administrator rights to automatically install the new driver if needed (or use the "-driver install" option directly).
If you have problems with the signed driver, you can use the "-driver install_test" option. It uses the old approach: activates the test mode (reboot is required) and installs the unsigned driver.
– Adding the "-showpower" option for the GPU's power consumption statistics, press "s" to see it. AMD and Nvidia cards are supported, except for Linux gpu-pro drivers and Radeon7 cards.
– Update Remote Manager to display the total power consumption.
– fixed a problem with the "-logsmaxsize" option when the "-logfile" option is used to specify the log file directory.
– some minor bugfixes and improvements.

DOWNLOAD LINK: MEGA Download Claymore's Miner v14.7

the version is v14.6 – Supercharged Edition:

– The "-rxboost" option now supports older AMD cards (Hawaii, Tonga, Tahiti, Pitcairn). Use the "-rxboost 1" option to improve the hashrate up to 5% by applying additional memory timings.
– now the option "-rxboost" supports all AMD drivers.
– now "-strap" for AMD cards also supports AMD blockchain drivers.
– a few modifications to reduce even a little outdated actions.
– added option "-minspeedtime".
– Added statistics for actions accepting time (min / max / average), press "s" to see it.
– Update Remote Manager to display shares that accept the time.
– some minor bugfixes and improvements.

FEATURES:

– Supports optimized synchronization of memory (tapes) on the fly in Windows, without blinking the VBIOS (currently, Polaris, Vega, Nvidia 10xx only), up to 20% faster. The best straps for Ethereum are included.
– Support for the new "double extraction" mode: simultaneous extraction of Ethereum and Decred / Siacoin / Lbry / Pascal / Blake2s / Keccak, without impact on Ethereum extraction rate. Ethereum extraction mode only is also supported.
– The actual Ethereum extraction rate is 3 to 5% higher due to a totally different miners code: far fewer invalid and outdated partitions, higher GPU load, optimized OpenCL code, optimized assembler kernels.
– Supports AMD and nVidia cards, even when mixed.
– No DAG files.
– Supports all versions of Stratum for Ethereum: can be used directly without a proxy with all pools supporting eth-proxy, qtminer or miner-proxy.
– Supports individual Ethereum and Siacoin extraction.
– Supports HTTP and Stratum for Decred.
– Supports HTTP and Stratum for Siacoin.
– Stratum support for Lbry, Pascal, Blake2s, Keccak.
– Supports failover.
– Displays detailed information about the extraction and a hashrate for each card.
– Supports remote monitoring and management.
– Supports GPU selection, built-in GPU overclocking functions and temperature management.
– Supports Ethereum forks (Expanse, etc.).
– Windows and Linux versions.

This version is POOL / SOLO for Ethereum, POOL for Decred, POOL / SOLO for Siacoin, POOL for Lbry, POOL for Pascal, POOL for Blake2s, POOL for Keccak.

For older AMD cards, Catalyst (Crimson) 15.12 is required to optimize performance and compatibility.
For AMD 4xx / 5xx (Polaris) cards, you can use any recent driver.
For AMD cards, set the following environment variables, especially if you have 2 … 4 GB cards:

GPU_FORCE_64BIT_PTR 0
GPU_MAX_HEAP_SIZE 100
GPU_USE_SYNC_OBJECTS 1
GPU_MAX_ALLOC_PERCENT 100
GPU_SINGLE_ALLOC_PERCENT 100

This minor is free, however, the current developer's fees are 1%. Every hour, it is extracted for 36 seconds.
For all cards of 2 GB and 3 GB, 0% devfee, so you can exploit all ETH forks without devfee, this minor is completely free in this case.
If some cards have a capacity of 2 … 3 GB and others> 3 GB, 2 … 3 GB still belong to you during development, only cards with more than 3 GB of memory will be used for mining. Miner displays the appropriate messages at startup.
The second piece (Decred / Siacoin / Lbry / Pascal / Blake2s / Keccak) is extracted without developer fees.
So the developer fee is 0 … 1%, if you do not agree with the development fee, do not use this minor, or the option " -nofee ".
Attempts to cheat and suppress development costs will result in a slower extraction rate (similar to "-nofee 1"), although the miner displays the same hashrate.
Miner can not simply stop if a fraud is detected because its creators would know that it is not working and would find new tricks. If minor shows no error or slowdown, he is happy.

This version is for recent AMD video cards only: 7xxx, 2xx and 3xx, 2 GB or more. Recent nVidia video cards are also supported.

CONFIGURATION FILE

You can use the "config.txt" file instead of specifying command-line options.
If there is no command line option, Miner will check the "config.txt" file for options.
If there is only one option in the command line, it must be the name of the configuration file.
If there are two or more options in the command line, Miner will take all options from the command line, not the configuration file.
Place one option per line, if the first character of a line is ";" or "#", this line will be ignored.
You can also use environment variables in the "epools.txt" and "config.txt" files. For example, set the environment variable "WORKER" and use it as "% WORKER%" in config.txt or in epools.txt.

If for Ethereum extraction only:

ethpool:
EthDcrMiner64.exe -pool us1.ethpool.org:3333 -wal 0xD69af2A796A737A103F12d2f0BCC563a13900E6F -epsw x

sparkpool:
EthDcrMiner64.exe -pool eu.sparkpool.com:3333 -wal 0xD69af2A796A737A103F12d2f0BCC563a13900E6F -epsw x

f2pool:
EthDcrMiner64.exe -pool eth.f2pool.com:8008 -wal 0xd69af2a796a737a103f12d2f0bcc563a13900e6f -epsw x -employed rig1

nanopool:
EthDcrMiner64.exe -epool eth-eu1.nanopool.org:9999 -ewal 0xd69af2a796a737a103f12d2f0bcc563a13900e6f -epsw x -worker rig1

nicehash:
EthDcrMiner64.exe – group layer + tcp: //daggerhashimoto.eu.nicehash.com: 3353 -wal 1LmMNkiEvjapn5PRY8A9wypcWJveRrRGWr -epsw x -esm 3 -allpools 1 -estale 0

Ethereum Mine:

EthDcrMiner64.exe -pool exp-us.dwarfpool.com:8018 -wal 0xd69af2a796a737a103f12d2f0bcc563a13900e6f -epsw x -allcoins -1

Ethereum SOLO mining (suppose geth is 192.168.0.1:8545):

Failure

Use the "epools.txt" and "dpools.txt" files to specify additional pools (you can use the "-epoolsfile" and "-dpoolsfile" options to use different filenames).
These files have the text format, one pool per line. Each pool has 3 connection attempts.
Miner disconnects automatically if the pool does not send new jobs for a long time or if the pool rejects too many shares.
If the first character of a line is ";" or "#", this line will be ignored.
Do not change the spacing, spaces between parameters and values ​​are required for analysis.
If you must specify "," character in the parameter value, use two commas – ,, will be treated as a single comma.
You can reload the files "epools.txt" and "dpools.txt" at the time of execution by pressing the "r" key.
The pool specified on the command line is the "primary" pool. Miner will try to come back every 30 minutes if he has to use a different pool from the list.
If no pool has been specified in the command line, the first pool in the failover pool list is the primary pool.
You can change the 30-minute period to a different value with the "-ftime" option or use "-ftime 0" to disable failover to the primary pool.
You can also use environment variables in the "epools.txt", "dpools.txt", and "config.txt" files. For example, set the environment variable "WORKER" and use it as "% WORKER%" in config.txt or in epools.txt.
You can also select the current pool at runtime by pressing the "e" or "d" key.

REMOTE MONITORING / MANAGEMENT

Miner supports remote monitoring / management via JSON over raw TCP / IP sockets. You can also get the latest lines of text from the console via HTTP.
Start "EthMan.exe" from the "Remote Management" subfolder (Windows version only).
See the built-in help for more information. The "API.txt" file contains more details about the protocol.

KNOWN ISSUES

– AMD cards: On some cards, you may notice a non-constant extraction speed in dual mode, the speed sometimes becomes a little slower. This problem has been mostly solved in recent versions, but not completely.
– AMD cards: under Linux with gpu-pro drivers, the list of GPUs may differ from that of temperatures. You can use -di to change the order of the GPUs so that they match both lists.
– nVidia cards: Dual mode is not as effective as AMD cards.
– Windows 10 Defender recognizes Miner as a virus, some antivirus do the same. Miner is not a virus, add it to the Defender exceptions.
I've been writing minors since 2014. Most of them are recognized as viruses by some paranoid antiviruses, maybe because I compress my miners to protect them from disassembly, maybe because some people include them in their botnets, or maybe these antiviruses are not good. I do not know. During these years, many people used my minors and no one confirmed that it had stolen or done anything wrong.
Note that I can guarantee clean binaries only for official links in my posts on this forum (bitcointalk). If you have downloaded minor from another link, it can be a virus.
However, my minors are closed sources and so I can not prove that they are not viruses. If you think I write viruses instead of good kids, do not use this minor, or at least not use it on systems that do not contain any useful data.

TROUBLE

1. Install Catalyst v15.12 for older AMD cards; for Fury, the Polaris and Vega cards use the latest Blockchain drivers.
2. Disable overclocking.
3. Set the environment variables as described above.
4. Set 16 GB or more of virtual memory.
5. Restart the computer.
6. Check the hardware, the risers.
7. Set an expiration time in the .bat file before starting the minor at system startup (30 seconds or even a minute) and try "-ethi 4" to check if it is more stable. This can help if the miner is not stable on some systems.

FAQ

– Miner runs too slowly when I operate ETH / ETC but works properly when I operate an ETH fork.
Check if you have enabled "Calculation Mode" in the AMD drivers. You can also press the "y" key to enable "Calculation Mode" in the AMD drivers for all cards (Windows only).

– I can not use ETH / ETC with the Nvidia 3GB card under Windows 10.
Windows 10 internally allocates about 20 percent of the GPU memory so that applications can only use 80 percent of the GPU's memory. Use Windows 7 or Linux.

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linux – Regex for content / etc / passwd

I have a collection of files from many of my company's systems in a storage directory (/ store /) and I wanted to find all the passwd files and align them into a single file. Intuitively, the command that I created and that I use is the following one:

find / store / -name passwd -type f -exec cat {} +> all_passwds.txt

But it also collects the file / etc / passwd which are binary files (I suppose some systems are symbolic links to busybox or something like that). I really just want passwd files based on text.

My next thought is that I might be able to find all the / etc / passwd files and extract the regex matches. It's been a few hours since I tried to create a regular expression that matches the format passwd.

Any help on creating a regexp that will match the / etc / passwd files or how to make sure that the above command only captures passwd text files would be greatly appreciated.

How to edit files from your Linux VPS terminal




There is a constant need to read, edit and edit text files on any VPS, mainly after installing new packages. Learning, practicing and acquiring skills with command line text editors can mean a world of difference in your experience and results with VPS.

If your server encounters a problem, the only resource will be access to the system console and the only way to use it will be via a text editor. Vi or his descendant, Vim, are the only ones to have the guarantee to exist everywhere. In this tutorial, we will study nano and Vim, two popular text editors that you can run from a VPS terminal.

Vi editor

A problem for most newcomers in VPS is that vi, the only text editor present by default on all Linux distributions, is neither WYSISWYG nor intuitive. If you expect it to obey the commands of Windows Notepad or MacOS TextEdit editors, you will be frustrated and disappointed in no time. Let's say you follow a script to install a widely used program, says Nginx, and that it contains a command such as

sudo vim /etc/nginx/nginx.conf

If this is your first contact with viyou will discover that

A) you can not type in the editor (unless you accidentally tap I on the keyboard) and that

B) you do not know how to save the file and leave the editor (until you know that : wq will do the trick).

Vim Editor

Over time, an improvement in vi called vim, has become very popular with users with power. It's a super-tight set of vi but with dozens of additional features, such as protocols, plugins, task automation, working with multiple files at once, using its VimScript internal language, or more formal Python, Ruby, Perl, or Tcl protocols, and so on.

Vim is hard to learn completely, but it is worth it.

Nano Editor

The problems that newcomers have with Vi / Vim are why another publisher, nano, is so popular. It will display the commands available as a menu on the screen and, when you start typing, you will see text fill up. It is therefore not surprising that many users do their first tasks after installing a "droplet", an "instance" or a "server" on. their VPS boxes, will install nano.

What we are going to cover

For nano and Vi / Vim, we will show how:

  • Install the editor on Debian / Ubuntu and Centos
  • Explain the philosophical approach to publishing
  • Get help
  • Create a new file or open an existing file
  • View important orders in the editor
  • Save the file and exit

Preconditions

  • Debian / Ubuntu or Centos systems
  • SSH capability on the server
  • Since Vim is a superset of Vi, we will focus on Vim only.

Installing Publishers on Ubuntu 16.04 and Debian 9

Vi should be present on all servers, however, on some, it can actually envy Vim. We show commands for installation on all systems because there may be differences between the hosting providers and the server versions provided.

First update and upgrade of the current version of Ubuntu / Debian:

sudo apt update
sudo apt upgrade

Depending on the version of Debian, the sudo This command may not be recognized immediately after the server installation. If this is the case, simply omit sudo some orders.

On Ubuntu only, if you get the following prompt:

just press the Tab key on the keyboard, then press Enter.

You can then install the updates, if any:

sudo apt dist-upgrade 

Then install Nano:

sudo apt install nano

We see that it is already installed on Ubuntu 16.04:

Now, let's install Vim:

sudo apt install vim

It is also preinstalled.

Publisher installation on Centos 7

Orders are:

sudo yum update
sudo yum install nano
sudo yum installs vim

How to start the editor

To start an editor, you invoke it by name at the command prompt. If you add a file name, two things can happen. If there is no file at this address, the editor creates an empty file and, if it exists, it is opened in the editor.

nano

When to use Nano

This is the ideal case for using nano: you are (relatively) new to VPS servers, but you have just acquired one to be able to run a specific program on it, or a few sites. So, you search and find a good recipe to install the software of your choice, you follow and you reach a time when a configuration file needs to be changed. Nano is an ideal editor for such small, quick, dirty jobs, in which you add a line or two, for example, change the site name for Nginx, etc., and then save and close the file.

Now move to a neutral folder such as / tmp and open a file called sometext.txt in:

cd / tmp
nano sometext.txt

We can start typing the new text immediately or paste a text that we already have on the clipboard. If it is a Windows terminal window (such as Kitty or Putty), you will paste text with the right mouse click and if it is under MacOS, a simple Cmd- V should suffice.

I've copied the paragraph above and here's what I've got:

The text is all in but you only see its end. By default, Nano does not package text because it is the expected behavior when you edit configuration files. To switch to wrapped text, press Esc, release it, then press $:

It was a flexible packaging, the rigid packaging is activated or deactivated with Esc + The.

The usual way to issue nano commands is to use the Ctrl key plus a letter, indicated by ^ G – meaning to press Ctrl then the key close g while holding Ctrl. In menus, nano uses capital letters g so it looks like you have to press the shift key and then g but in reality, you do not have to press Shift at all.

Instead of Esc followed by a touch, you can also use the key Alt by simultaneously pressing a key. If difficult, we should press Alt, holding it, then pressing shift, holding it, then pressing l. In general, Alt and Esc are called meta keys and – depending on your keyboard – this role can be assigned to another key.

Help screen in nano

Ctrl-G will show you the main text of the nano help:

Scroll with combinations of ^ Y and ^ V or, if you are using a normal PC / Mac keyboard, simply use PageUp and Footer key. You can also scroll with the cursor keys, from top to bottom.

We will now study a little more keyboard combinations:

Commands starting with M, for example, M- (, call to press the Meta key which, as we have already seen, can be Esc, Alt or something else. So you can go to the beginning of the paragraph by pressing Esc, release the pressure, then press shift and 9 at the same time. Or you can press Alt, press and hold, press shift, hold down both keys and press 9.

to push on Ctrl-X leave the screen help.

Save a file with nano

To save a file with nano, use Ctrl-O. The menu at the bottom becomes:

To save the file with changes, simply press Enter.

Pressing Ctrl-X leave nano if the file is saved; otherwise, you will be asked to confirm Y.

In the main menu, we see that Ctrl-W find the text, _Ctrl-_ is for the replacement operation and so on.

Vim Editor

Learn Vim with Vimtutor

The best way to learn Vim is to start a special version of Vim called vimtutor:

vimtutor

You are immediately in Vim and in its "normal" mode. This means that the keyboard keys will not enter text but will be interpreted as interactive commands. To move the cursor, press the keys h, j, k, and l. Pressing jfor example, move the cursor one line below. Continue to press j until you see the second screen vimtutor:

and then proceed from there.

Run Vim

Start the next command

vim

and you will get this window:

It's easy to create or open a file with Vim:

vim anothertext.txt

Three modes of operation in Vim

Vim has several modes of operation, but these three are the most important:

  • NORMAL MODE – sliders, moving text, text buffers, text manipulation, etc.
  • INSERT MODE – text insertion: input and editing.
  • VISUAL MODE – a mode in which larger blocks of text can be defined, cut, pasted, etc.

press Esc twice to return to normal mode.

INSERT MODE In Vim

If you want to type text, press I in normal mode to turn on the Insert fashion. You will see the word – INSERT – in the lower left corner of the window and you can enter text.

In insert mode, I copied the paragraph above and clicked with the right mouse button – the text appeared in the Vim editor.

The command mode in Vim

You start issuing commands by typing two dots. For example, type : h for help, the following help screen will appear:

Type : q to return to the screen with the text.

To exit the file and exit the editor, enter:

: X[return]

To exit vim without saving the file, enter:

: q![return]

Here are the basic commands:

  • save: : w
  • save and leave: : wq
  • exit: : q
  • Obligate: ! (Example : w! : q!)
  • copy: there
  • copy a line: yy
  • paste: p
  • Cut: re
  • to cut a line: not a word

By typing a number in front of the command, this command will be executed as many times as necessary. It means that if w is a command to move the cursor to the beginning of the next word, 15w will move the cursor 15 words to the right.

VISUAL MODE In Vim

Typing V in normal mode will activate the visual mode.

Note the label VISUAL LINE in the lower left corner of the terminal window.

In this mode, pressing keys such as j and k will move the cursor up and down, but will also mark a block of white text. Since we pressed V, the entire lines with the cursor will be marked. press v to allow the visual selection of text based on characters, in which case the lower left corner will only show the word VISUAL.

Now, to delete some text, press re (delete) and press there (copy) to copy the marked region. Then move the cursor to the desired paste location; pressing p will then stick after the cursor, while P will stick in front of her.

press c to change text … and for the following commands, be sure to devote more time than expected to learning Vim!

What can you do next?

We showed the basic editing capabilities of two almost universal text editors, nano and vi or vim. They may not be your cup of tea at all, but you should at least know enough about Vi / Vim to read a file, edit it and save it. Other famous publishers for which we have no room for maneuver include Emacs, Micro, NE, and many more to choose from for your VPS!

Dusko Savic is a technical writer and programmer.

duskosavic.com




linux – Mounting an hfsplus player

Today, I have tried to open an old hard drive on which I have hfs + (no logging). I have installed hfsprogs and have tried it with:

sudo mount -t hfsplus / dev / sda2 / mnt 

Normally, it would work fine, but for some reason, I get this error:

column: hfsplus: No such file or directory
column: / dev / sda2: permission denied
column: read failed: is a directory

I know that the disk is readable and that the file system is intact (tested with a friend's mac) and that hfsprogs is correctly installed. I find it odd that this is already an error on hfsprogs: no such file or directory.

Any help would be greatly appreciated!

note: i've watched similar questions but, as far as i know, no one had this error before where hfsplus could not even be found.

linux – how can iptables (ACCEPT, all, anywhere, any where) and (DROP, any, anywhere, anywhere) in its chain INPUT?

How can iptables both have (ACCEPT, all, anywhere, any where) and (DROP, everything, anywhere, any where) in its INPUT chain?

How is it significant for iptables both of them have rules for ACCEPT and DROP all the traffic in his CONTRIBUTION string with a default policy of DROP?

In this case, will the traffic really be accepted or deleted? I see that special rules exist for ssh and http, so they would naturally take precedendece, because they are more specific?

# iptables -L
INPUT string (policy DROP)
target target source opt opt
ACCEPT everything - no matter where
ACCEPT everything - no matter where anywhere ctstate BOUND, ESTABLISHED
DROP all-n 'anywhere where any ctstate INVALID
ACCEPT tcp - anywhere from anywhere tcp: ssh ctstate NEW, ESTABLISHED
ACCEPT tcp - no matter where any dpt tcp: http ctstate NEW, ESTABLISHED
ACCEPT icmp - no matter where any where

Chain FORWARD (DROP policy)
target target source opt opt

OUTPUT string (DROP policy)
target target source opt opt
ACCEPT everything - no matter where
ACCEPT everything - no matter where any cststate ESTABLISHED
ACCEPT tcp - no matter where any tcp spt: ssh ctstate ESTABLISHED
ACCEPT tcp - no matter where any tcp spt: http ctstate ESTABLISHED

linux – how can iptables (ACCEPT, all, anywhere, any where) and (DROP, any, anywhere, anywhere) in its chain INPUT?

How can iptables both have (ACCEPT, all, anywhere, any where) and (DROP, everything, anywhere, any where) in its INPUT chain?

How is it significant for iptables both of them have rules for ACCEPT and DROP all the traffic in his CONTRIBUTION string with a default policy of DROP?

In this case, will the traffic really be accepted or deleted? I see that special rules exist for ssh and http, so they would naturally take precedendece, because they are more specific?

# iptables -L
INPUT string (policy DROP)
target target source opt opt
ACCEPT everything - no matter where
ACCEPT everything - no matter where anywhere ctstate BOUND, ESTABLISHED
DROP all-n 'anywhere where any ctstate INVALID
ACCEPT tcp - anywhere from anywhere tcp: ssh ctstate NEW, ESTABLISHED
ACCEPT tcp - no matter where any dpt tcp: http ctstate NEW, ESTABLISHED
ACCEPT icmp - no matter where any where

Chain FORWARD (DROP policy)
target target source opt opt

OUTPUT string (DROP policy)
target target source opt opt
ACCEPT everything - no matter where
ACCEPT everything - no matter where any cststate ESTABLISHED
ACCEPT tcp - no matter where any tcp spt: ssh ctstate ESTABLISHED
ACCEPT tcp - no matter where any tcp spt: http ctstate ESTABLISHED

linux networking – The Docker overlay host to the container network does not work

I'm trying to create a docker clock network without Swarm Link by using multi host consul in an AMI instance of ecs instance. I have created a network of recovery and able to communicate with the containers. However, when I try to reach a specific port on a host, the port receives a refused connection error. The host does not have a firewall. How can I reach the container port on the overlay network.

Strange fact

  1. If I put the container without overlay network I can ping the container port from the same host machine as well as from another machine connected to the overlay network.
[ec2-user@ip-172-31-3-222 ~]$ sudo docker run --name mynginx1 -p 5080: 80 -d nginx
33a120ec5616fde53cfe4242055379c708a37451ce6d7ff12427ec7cdfce2f69

Job :

[ec2-user@ip-172-31-3-222 ~]$ telnet 172.31.3.222 5080
Try 172.31.3.222 ...
Connected to 172.31.3.222.
The escape character is & ^;

& # 39 ;.
  1. If I put the container superimposed network I can not ping the container from the host machine or from another host machine. .
[ec2-user@ip-172-31-3-222 ~]$ sudo docker run --net my-overlay --name mynginxoverlay -p 5081: 80 -d nginx
af30418ad4c930ee4adfc231880c7855f972e2765df9facba074955f200e164c
[ec2-user@ip-172-31-3-222 ~]$ telnet 172.31.3.222 5081
Try 172.31.3.222 ...

My overlay network:

network docker create -d overlay --subnet = 172.31.0.0 / 20 my-overlay

details:

[ec2-user@ip-172-31-7-118 ~]$ sudo docker inspects my overlay
[
    {
        "Name": "my-overlay",
        "Id": "f4f2c67649ee108c9c88f224687a0ac1590a63f7ac06544cfe6dbd88aa2d773a",
        "Created": "2019-06-22T15:09:13.739759915Z",
        "Scope": "global",
        "Driver": "overlay",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": {},
            "Config": [
                {
                    "Subnet": "172.31.0.0/20"
                }
            ]
        }
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
}
"ConfigOnly": false,
"Containers": {
"ep-2bf37ede7b867f3b4059755d482da6e98557896d5c64c06c7e8655b4892e01a1": {
"Name": "mynginxoverlay",
"EndpointID": "2bf37ede7b867f3b4059755d482da6e98557896d5c64c06c7e8655b4892e01a1",
"MacAddress": "02: 42: ac: 1f: 00: 02",
"IPv4Address": "172.31.0.2/20",
"IPv6Address": ""
}
}
"Options": {},
"Labels": {}
}
]

linux – Bad magic number in the super-block: Red Hat 6

I've laid a disc on RHEL 6.9. I get a superblock error while running resize2fs on the new disk.

This was the previous disposition of the file system before resizing:

Disk / dev / sdc: 289.9 GB, 289910292480 bytes
255 heads, 63 sectors / track, 35,246 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical / physical): 512 bytes / 512 bytes
I / O size (minimum / optimal): 512 bytes / 512 bytes
Disk Identifier: 0x0005b727

Boot Device Start End Block System Id

This is the file system layout after resizing

Disk / dev / sdc: 289.9 GB, 289910292480 bytes
255 heads, 63 sectors / track, 35,246 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical / physical): 512 bytes / 512 bytes
I / O size (minimum / optimal): 512 bytes / 512 bytes
Disk Identifier: 0x0005b727

Boot Device Start End Block System Id

I've deleted the / dev / sdc1 partition only and recreated it to extend to the rest of the space. I did not write filesystems on it because we have data on it.

By resizing the file system, I get the error below.

resize2fs 1.41.12 (17-May-2010)
resize2fs: Incorrect magic number in the super-block when opening / dev / sdc1
Could not find a valid file system superblock.

I have performed the steps below. Run fdisk on the correct disk (X is the correct letter of your disk): fdisk / dev / sdX
Check the partition table by pressing p (to view the score details)
Delete the partition by pressing d (to delete the partition)
Select the correct partition to delete. In most cases, it will be the only one on the disc. So press 1 (to select the partition).
Create a new partition by pressing n (to create a new partition) and select the primary partition type (by pressing p) and the correct number. Get the first block from the details of the score to the point
2 Press enter to accept the default value as the last block.
Check the partition table by pressing p (to list the partition and confirm). Save your new partition table. Finally, you must reread the partition table using this command:

[root@linux ~]# partyprobe

Resizing your partition is now complete. Note that the partition you want to resize must be the last one on the disk to grow contiguously in the available space.

It is now the file system's turn inside the partition: you must also resize it on the extended partition.

First of all, it might be useful to check the file system. Then you can resize it and this can vary depending on the type of file system. For ext3 and ext4, you can use this command:

[root@linux ~]# resize2fs / dev / sdX
linux-kernel ext4 filesystems from Linux

Please advise how i can solve this?