1
vote
0answers
9 views

Wifi not working and interface not listed

I installed Chromium OS on a USB stick, and can't get wifi to work. It looks like the interface is missing. Here is the output of some commands: localhost / # ifconfig -a lo: ...
-2
votes
1answer
11 views

Update nginx on Amazon linux (CentOs)

I'm trying to update nginx on a amazon linux instance which I read is compatible with centos repos.On their site there is a little guide to upgrade the repo. However I'm not sure how to translate it ...
-1
votes
0answers
10 views

PTRACE_TRACEME without parent [on hold]

I'm trying for fun to exploit a code which uses ptrace to prevent debugging. This executable is suid, therefore there's no use in cracking it. It have also the stack segment executable. This ...
0
votes
1answer
25 views

Is it safe to uninstall `su` in favor of `sudo` to harden Arch Linux? [on hold]

Is it safe to uninstall su in favor of sudo to harden Arch Linux? Have you got an opinion on whether this is a good or bad idea? I read the Arch Linux Wiki articles Security, Su and Sudo. I also ...
1
vote
0answers
8 views

Using pfctl to block website [Mac OS X]

I am looking at using pfctl to block unwanted websites on Mac OS X. I know that you can use the hosts file to block websites. However, I would like to block a website including its subdomains. I have ...
1
vote
2answers
17 views

Error while counting characters in a file

I have a source code to find a number of words and characters in a file: #!/bin/bash w=0 cc=0 for i in `cat $1` do j=$i echo $j w=$(($w+1)) c=`expr $j:'.*'` cc=$(($cc+$c)) done echo "no of ...
3
votes
1answer
32 views

How to disable JavaScript key events (and theft) in Firefox by websites?

I use Mozilla Firefox to browse the web. When I look at a site and wish to search text on the page, I use the slash / character to initiate incremental search (which is the default Firefox ...
1
vote
0answers
15 views

Typing { } on Debian in VirtualBox on OSX [on hold]

I have a OSX with VirtualBox and a virtual machine with Debian. In the virtual machine I'm not able to type those brackets {}. Any help ? I have an Italian keyboard on my Mac.
0
votes
2answers
15 views

Convert bash loop index to floating-point

I need to use the index i in a loop such as for i in {0..10..5} in a floating-point calculation. What is the simplest way to convert i to floating-point? Variations on i=$(bc -l <<< ...
5
votes
2answers
198 views

Using expr, $(()), (())

In shell script we can substitute expr $a*$b with $(($a+$b)). But why not just with (($a+$b)), because in any resource it is written that (()) is for integer computation. So we use $(()) when ...
0
votes
1answer
13 views

Inside a linked folder, doing “ls” to relative paths outside it shows the contents pointed by linked directory, not the source. Is this correct? [duplicate]

Suppose this directory structure: /folder1/ /folder2/ Now, if I enter cd /folder1 ln -s /folder2 linkToFolder2 cd /folder1/linkToFolder2 ls .. I thought that, given that pwd is ...
1
vote
1answer
22 views

Reopen xchat after it has been closed to the system tray

When I close xchat to the system tray, it is leaving IRC connections to servers and consequent channels open and the process running. However, when the program is reopened from the system tray, it ...
0
votes
1answer
11 views

want to create an offline bitcoin wallet on a live persistence linux help me choose best distro [on hold]

the important part is that i want a distro that any newbie can use easily because i am a newbie and in the end i want to create a walkthrough so everybody can use it too. ==SHORT VERSION== want to ...
-1
votes
2answers
16 views

Best combination for Gnome + tiling window manager [on hold]

What would be the best way to keep gnome-classic top panel and still get the advantages of tiling WM? I am coming back from Mac OS X to a full time desktop Linux(I think after 2 or 3 years) and am ...
0
votes
0answers
17 views

I'm trying to run RStudio Server on my ARM Chromebook, but it keeps saying it's unable to connect to the server

I run Debian Jessie via chroot, and I installed R 3.2.5 through its backports. R works perfectly fine, and it seems that RStudio Server installed well too, but I'm not sure why this keeps popping up. ...
1
vote
1answer
39 views

Need to filter the data on the basis of two column having many to one relationship using awk

I have a big file having 50s columns and 100K of rows delimited by |. Now $2(col 2) has multiple type of $1(col 1) value which means col 2 will be repeated. So I have sorted the file. I need now to ...
0
votes
0answers
37 views

CentOS 6.7 Dedicated server, -bash: fork: Cannot allocate memory 128GB Ram

I bought my new dedicated server for hosting game servers, websites and personal stuff. Also for learning and testing. I have used dedicated servers before with Linux and windows so I guess I'm ...
4
votes
1answer
73 views

How do I figure out where wrong local dns results are coming from?

I'm running mint Mate 17.2. When I use dig, for a certain specific domain name, the resolved IP "answer" is wrong, and the answer server is 127.0.0.1. Trying to access this domain from my local ...
0
votes
0answers
15 views

alias pip to sudo pip

When using pip I almost always use sudo because otherwise it lacks permissions. I plan on adding an alias pip="sudo pip" in my .zshrc file. Is there a reason I shouldn't do that? The main issue I can ...
0
votes
0answers
13 views

Unable to start VLC - could not find Qt platform plugin

I recently upgraded my Ubuntu from 14.04 to 15.10. Yesterday I tried installing KDE plasma desktop but due to some errors I had to remove it. The system asked for a partial upgrade and I did that. Now ...
1
vote
1answer
17 views

System booted up, but can't login as root

I just got my system to boot up (Scientific Linux), but at the login screen I can't login as root. It doesn't even ask for a password, just says Login incorrect. So what I see is: localhost login: ...
-3
votes
1answer
22 views

How can I play windows game on linux mint? [on hold]

I want to play windows game on linux mint ? What version of wine should I use?
2
votes
2answers
26 views

Multiple tmpfs partitions

[mayur@mayur311-pc ~]$ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root 50G 3.6G 47G 8% / devtmpfs 3.9G 0 3.9G 0% /dev tmpfs ...
2
votes
0answers
20 views

Booting Android with lilo in a PC

After installation of android, I modified lilo.conf to boot it. I just wrote image=/mnt/android-4.4-r2/kernel root=/dev/sda7 label=android read-only because I saw the only filename that ...
1
vote
1answer
11 views

Can't get docker to forward ports

I've been following a tutorial to try and learn docker, however, for some reason I can't seem to access any of the ports it's meant to be opening. For some reason it just times out. Where can I look ...
1
vote
0answers
9 views

Avahi on FreeBSD: Machine is Seen but Does Not See

I'm in the process of setting up Avahi 0.6.31 on a FreeBSD box on a network that uses mDNS for address resolution. I have two other boxen on the same network: one Ubuntu 14.04 with Avahi 0.6.31, and ...
1
vote
0answers
13 views

Linux clients are not being timed-out by captive portal

A captive portal at my local coffee shop let's all clients (both in the sense of IT and of buyer) running Linux to use the Wifi as long as they wish. Windows clients are treated differently, and ...
2
votes
3answers
141 views

Root, home and boot partitions

So I had been considering that partition is like a separate section of space. Recently, I decided to experiment with partitions and found a flaw in my understanding. Some examples refer to a case ...
1
vote
0answers
13 views

WiFi Drivers Not Working

I just installed Linux Mint 17.3 on my mid 2012 MacBook Pro. I'm currently trying to install the necessary drivers for WiFi via Driver Manager (nvidia-331 and bcmwl-kernel-source) for my BCM4222 ...
4
votes
2answers
52 views

Fix array of incomplete links

I'm writing a bash script that will find links in a page. It downloads the source code from a page and finds links in a tags and stores them into an array, $links. The problem though is that some ...
0
votes
0answers
11 views

Troubleshoot routing in rewrite/virtual host

I don't want a solution as much as a way to find the problem. I am learning networking mostly because it interests me and I set up something in my uncles restaurant. It looks like this. A soft AP ...
1
vote
0answers
15 views

Install Fedora23 nouveau issue

mates I downloaded Fedora23O and created bootable USB through the official guide. When I boot from USB the system starts loading and the "F" icon completes. Immediately after that I get into console ...
1
vote
0answers
14 views

In FreeBSD's pkg, which actions mark a package as non-automatic

I'm trying to keep my packages up-to-date and unused packages off my system. pkg has a feature called autoremove that will prune unused installed packages that were installed to fulfill dependencies. ...
1
vote
2answers
23 views

Renew my ip address (dhclient not found) [on hold]

I recently got a new cable modem and my internet connection is no longer working. I suspect I need to renew my IP address. How can I renew my address? The command ifconfig returns: bash: ifconfig: ...
-1
votes
2answers
16 views

Hidden Unallocated Partition greyed out in Flash Drive after Linux Tails Installation [on hold]

I recently installed Tails (Linux Distro) on my USB drive. I did it using an intermediary USB stick and i discovered when i installed the final Tails OS on the second USB drive that the size of the ...
1
vote
1answer
17 views

How to fix install openvpn on CentOS 7?

All image about my problem is here Why I can't install openvpn with yum even I try to fix it like this website said . What is wrong in here? Help me, please people. By the way, the problem I see,is ...
2
votes
1answer
26 views

How can I use sed to snip a line off of a string?

I'm writing a script to display the domain registrar info and I'm trying to snip off a few lines from what I already have I currently have it grabbing all the indented text from a whois. Now I'm ...
4
votes
1answer
30 views

how to reliably determine processes using files after `umount -l` on linux

The Question After umount -l was performed on some mounted filesystem, and this filesystem remains still mounted (albeit hidden) because of some process maintaining (at least) one open file handle to ...
1
vote
0answers
14 views

ISPConfig mail: Relay access denied

I'm running CentOS 7 with ISPConfig 3. Mail was working perfectly, but now (probably due to some update) isn't working. I was trying to reinstall postfix, amavis and update ISPConfig, but I can't get ...
1
vote
1answer
25 views

Finding change in shared object through bash

Here's my case- I have a package named say foo-1.2.3. I want to know which package it installs. So, I install it in a fakeroot approach and make a list of all files it install in a file called FILES ...
1
vote
0answers
15 views

How to configure apache with suPHP and VirtualHosts to avoid DocumentRoot problem?

I am currently configuring an apache web server, and have Apache 2.2 with SSL, svn at https://myhost/svn/repos/myrepo1 and https://myhost/awebsite with suPHP ready. https://myotherhost/ also exists ...
0
votes
0answers
17 views

How to read Received fields in the mail header? [migrated]

The following is an example of a email header (just the received part): Delivered-To: aaaa@gmail.com Received: by 10.79.29.73 with SMTP id d70csp1033542ivd; Sun, 10 Apr 2016 13:13:50 -0700 ...
1
vote
1answer
17 views

How do I resolve this yum problem: “no repomd file”

I am using Fedora 20 and trying to install several software packages. e.g. sudo yum install python-matplotlib And get this response for every package I try: Loaded plugins: langpacks, ...
2
votes
1answer
18 views

Source of “gsed: can't read : No such file or directory”?

I have a Bash script that performs a simple substitution on OS X. Here's the reduced case: mkdir vs2005-dynamic cp cryptdll.vcproj cryptest.sln cryptest.vcproj cryptlib.vcproj dlltest.vcproj ...
0
votes
0answers
7 views

cURL and Iceweasel disagree about TLS certificate validity, despite same CA

On Debian Jessie 8.4 GNU/Linux, I am experiencing a certificate validation inconsistency between Iceweasel (Debian's derivative of Firefox) and cURL in relation to the URL ...
-1
votes
2answers
40 views

how to change record or field separator of a file [on hold]

How can I change the record separator of a file? For example, concatenating multiple lines into a single line, by changing record separator from newline to space. Another example is to split a line at ...
-1
votes
2answers
19 views

Delete all fail2ban bans in Ubuntu Linux

How can I delete all fail2ban bans in Ubuntu? I tried everything but I don't get it. I just want to delete all bans - but I don't know any IP adresses.
1
vote
1answer
7 views

Enigmail 1.9.2 freeze when doing setup wizard [on hold]

On my Linux Mint 17.3 Cinnamon in Enigmail Thunderbird's add-on, I've tried to add my pgp keys file with the setup wizard, after that the software crashes. From that time the setup wizard freeze when ...
0
votes
0answers
10 views

Kali Linux portion on raspberry pi 3 confused for days

Would any one know how to resize the partiton once I've installed Kali Linux onto a 32g sd card and booted it in my pi I've done this incorrectly once and I couldn't download any metapackages and now ...
1
vote
0answers
13 views

Change existing dovecot maildir installation from m-UTF7 charset to UTF8 to avoid breaking TAB

In an existing dovecot installation with many pre-existing folders using regional characters I would like to change m-UTF7 (.&AMk-l&AOk-ments envoy&AOk-s) foldernames to UTF8 (.Éléments ...

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