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Is it possible to change the default advertising interval in BlueZ?

I've already created a GATT server using the instructions provided here. The only problem with this server is the fact that it advertises using the default advertising interval used by BlueZ (1.288s), ...
-1
votes
0answers
10 views

send --port argument to python

I have this code: #!flask/bin/python import subprocess import types from flask import Flask, jsonify, make_response, abort, request, url_for app = Flask(__name__) @app.route('/v1/kill/process/<...
0
votes
0answers
5 views

How to check the Integiry of the each PHP files in linux server using lighthttpd server?

I have a project requirement, Where I have to check the integrity of each PHP files before executing it using md5 or some method. The hash value is stored safely within the server. What I have done: ...
0
votes
0answers
4 views

ovs-vsctl: Error detected while setting up 'eoip_if'. See ovs-vswitchd log for details

I have a namespace ns1, inside this i run a eoip script which create a interface eoip_if. I also have a ovs-bridge br0 which is in default namespace. When i try adding the 'eoip_if' interface as a ...
0
votes
0answers
6 views

get path from all linked shared libraries while linking

I have my own linux distribution for an selfmade arm hardware. Therefor I have to compile diffenent software like nginx and openssl. Every compiled software will packed to an rpm. To reduce size I ...
0
votes
1answer
9 views

Is -w option of sysctl really needed when changing kernel parameters?

sysctl has this -w switch. Is it really needed? I tried to do: sysctl vm.max_map_count=262144 And it seems to have worked out.
0
votes
0answers
2 views

Get Originating device(physical device) info for Packets trapped on Bridge

Lets assume below given is the set of net devices that my frame is intended to traverse over. eth0(1) -> bond0(2) -> bridge(3) -> vlan100(4). >>> (number) is the ifindex for each netdevice I have ...
0
votes
0answers
7 views

Can't Connect to Wi-Fi [ NetworkManager Looping ]

after installing Kali linux on my brand new laptop, installing update/dist-upgrade/Nvidia-Driver I reboot my computer but, The NetworkManager (Not network-manager) turn on/turn off my Wi-fi adaptator ...
0
votes
1answer
14 views

Why does grub keep defaulting to the rescue option?

After upgrading Fedora from 29 to 30, I noticed upon bootup that grub kept selection the old 4.x kernel. No problem. I used package-cleanup to remove all but the latest two kernels. But now grub ...
0
votes
0answers
16 views

Not enough free disk space installing Arch in chroot

I'm trying to install Arch Linux in chroot of an existing Ubuntu distribution but I get error: failed to commit transaction (not enough free disk space) Errors occurred, no packages were upgraded. ...
0
votes
0answers
7 views

What's the kernel option to disable the kernel bootlogs appearing on the serial port?

I have an embedded device where uboot is passing the kernel command line options to set the serial port. I want to disable the kernel bootlogs appearing on the serial port. I can't change uboot or ...
-5
votes
2answers
37 views

Need Unix Script

I need a script when my Input is like Name : AAA AGE : 22 Place : XX NAME : BBB AGE : 33 Place : YY OUTPUT I am looking is NAME AGE PLACE AAA 22 XX BBB 33 YY
0
votes
0answers
8 views

Running OpenBSD 6.5; “rcctl start xenodm” does not start Xwindows, it returns “xenodm(ok)”

I installed gnome today on OpenBSD 6.5. Since we no longer use startx, I did rcctl enable xenodm. There were no errors. Then I did rcctl start xenodm. The only response was one line of text: xenodm(ok)...
0
votes
1answer
17 views

Was /etc/yum/repos.d ever a thing?

In some places I've read, users have mentioned the path /etc/yum/repos.d along side /etc/yum.repos.d. Was this a path that actually used at some point? I even loaded of CentOS 5.11 and it's still /...
0
votes
3answers
23 views

Intersection of two files with uneven columns: print out lines of common columns

I would like to compare two files find common lines between column 1 of each file and print out the full line (multiple columns) of file 1. file1: a apple c cat e eagle f fire g green h ...
0
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0answers
6 views

CentOS 7 firewalld errors and warnings after default install

My VPS provided a minimal CentOS 7 install which did not come with firewalld pre-installed. This question is related to this question I installed it and had the following errors at startup: # ...
0
votes
1answer
12 views

Want to install a HD on Lubuntu

It's a spare HD to be used to backup data and free some space on the one with the O/S. I got it from a friend who doesn't need it any more. I physically installed the drive and started up the computer....
1
vote
1answer
39 views

How to make bash work with a TTY?

bash works with STDIN, STDOUT and STDERR. When xterm is opened, it allocates the pseudo tty. Then xterm forks child process and STDIN, STDOUT, STDERR are tied to slave_fd via dup2 and exec is called ...
0
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0answers
7 views

make[3]: *** [MP_constant.lo] Error 1

please please help me I am trying to install coin-or. I am in step of configuration : from this guide : https://ma.juii.net/blog/install-coin-or when I type : sudo make -j 2 I get this errors:...
0
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0answers
10 views

how to check if MKL is installed and find it's path

Please help me out. it has been 3 hours that I am trying to install OSQP. I needed to install MKL. I downloaded the full package and installed it. but I don't know where is it and how I can check if ...
0
votes
0answers
10 views

Error: winehq-devel : Depends: wine-devel (= 4.14~bionic)

Similar to this -- trying to install wine from the winehq repo. I initially had trouble with the repo. I did try a recommended fix for held broken packages. It did not report any, and still failed ...
1
vote
0answers
9 views

xdotool and new terminal windows

I recently discovered the amazing [xdotool][1] ([man page][2]) command and was going to make a bash-script to open four windows, resize, and reposition them for work. Before, I could use the ...
0
votes
0answers
12 views

NordVPN (OpenVPN) DNS lookups fail

I followed instructions in this answer: ssh into a server which is connected to a VPN service so that I could connect/stay connected to remote Ubuntu 16.04 server via SSH while the server was ...
0
votes
0answers
8 views

Open port 12489 for nrpe

I'm learning a little bit of nagios and unix(buster), and im getting an error related with monitoring CPU LOAD and MEMORY USAGE The feedback I get from the monitor is connect to address 192.168.1.94 ...
0
votes
0answers
17 views

Kali Linux Wireless adapter - reccomendations

I am in desperate need of a wireless adapter for Kali Linux. I run Kali Linux version 2019.2 on VirtualBox on a MacBook Air. Any recommendations for a wireless adapter I can find (an have it shipped ...
0
votes
0answers
14 views

Issues with booting Kali Linux on new AMD Desktop

I am having an issue booting up my Kali Linux VM I am running via VMWare Workstation. I am getting a ton of failures when booting up and never starts up. This is the first time I have tried running it ...
0
votes
1answer
20 views

apt full-upgrade vs apt upgrade redundancy

This might be a possible bug, but it is something that has been bothering me for a couple of days now. The difference between apt-get upgrade and apt-get dist-upgrade has been both well-known and ...
-1
votes
1answer
36 views

cp -a doesn't work to copy all files inside a directory

I desire to copy all files inside a directory which has only these files (all are regular files - there are no directories, symlinks, etc, inside that directory). The files have pretty common names ...
1
vote
0answers
24 views

How can/should I kill masscan process

I host a small Ubuntu server with DigitalOcean and recently realized a guest user was compromised. I have been trying to cleanup up my server to stop future attacks and have come across a process ...
0
votes
2answers
28 views

How to switch to virtual terminal when there is no GUI installed on a Linux server?

I'm trying to understand terminal, console, tty, virtual terminal, terminal emulator and this kind of things. Below is the topology of my environment. There is a Linux server and a Windows 10 PC. I ...
1
vote
2answers
28 views

grub problem after removing ubuntu from dual boot PC

I uninstalled the Ubuntu partition on my Acer Predator system with Windows 8.1. I went into BIOS and set boot to my windows installation disk, but the PC now goes to the grub command line. I tried to ...
0
votes
1answer
23 views

Debian 10 Very Slow Upload

I installed a fresh install of Debian 10 buster on my z97x system. My home connection is 300Mbps download and 15Mbps upload. I used speedtest to measure this. Selecting the same server using speedtest-...
0
votes
0answers
4 views

Creating custom package group for yum repository gives “comps file is empty/damaged”

I am having trouble setting up a custom package group for my custom yum repository in RHEL7.6. First, here are the steps I am taking to create the custom yum repository. Create a directory that will ...
0
votes
0answers
15 views

Photorec 7.0 “Syntax error ,inter”?

Apologies if this is the wrong place to put this. Recently I've been using photorec 7.0 to try and find some old files on my macbook air(OSSX 10.10.7). After a while, when i went back to check on the ...
0
votes
0answers
30 views

bash: how to pass variables to a loop within a process substitution

How do you pass variable values within a process substitution to a loop within that process substitution? I'm reading a csv file into an associative array, and while reading each line, I would like ...
1
vote
1answer
21 views

Bash replace special character '

All the questions and answers i already read are not my solution. So, all i want to do is to replace the special char ' in bash. This works: A="abc" B="${A//[b]/x}" But this does not work: A="a'b" ...
0
votes
0answers
12 views

Kali Linux: USB drive cannot be formatted by cryptsetup; Device is in use: error code -1 “wrong or missing parameters”

I am trying to make a Kali Live drive with a 32gb flash drive, using LUKS encryption for the persistence, following the instructions on this page: https://docs.kali.org/downloading/kali-linux-live-usb-...
2
votes
0answers
13 views

How can I maximise a video in a tiled window only?

Say I have 3 windows tiled on my workspace. A vim terminal session tiled vertically on the right A pdf tiled in the top left corner A youtube video playing in chrome and tiled in the bottom left ...
0
votes
3answers
31 views

Bash - run one script when previous is sucessful else run another script?

I think my question is similar to this one but with one extrat step - say I have 3 scripts: main_script.sh report_success.sh report_failure.sh How can I do something like this pseudo-code does: if (...
0
votes
1answer
23 views

How can I install Mysql on Debian 10 (buster)?

I've tried to follow the official guidance on installing MySQL on a fresh Debian install. So I went to https://dev.mysql.com/downloads/repo/apt/, downloaded mysql-apt-config_0.8.13-1_all.deb, Run ...
0
votes
0answers
10 views

Boot Up Issue : Failed to start Load/Save screen brightness of backlight:intel_brightness. Any fix?

● systemd-backlight@backlight:intel_backlight.service - Load/Save Screen Backlight Brightness of backlight:intel_backlight Loaded: loaded (/lib/systemd/system/systemd-backlight@.service; static; ...
1
vote
1answer
28 views

Move files listed in a text file while preserving/creating path

I have a text file that has a list of files with full paths, with each line representing each file. For example, the first line from the file is: /mnt/data/data4/1998/reports/First Quarter.docx All ...
1
vote
0answers
28 views

Run fsck in the background on boot

Running openSUSE 15.1 with systemd, when it determined the need, boot processes will invoke fsck on a particular disk. By default, this check will run in the foreground, blocking the completion of the ...
0
votes
0answers
23 views

ssh user@host1@host2.mydomain.com

I have been using ssh forever and thought I had seen everything, but I just ran into a syntax that I am not familiar with: ssh user@host1@host2.mydomain.com After executing this, I end up logged in ...
0
votes
2answers
17 views

how to update an app you cloned and installed from GitHub?

so when I google all kinds of variations on this, all I see are results on how to update the GitHub app itself or to update the version of the OS, and I can't find instructions on how to update ...
0
votes
0answers
15 views

Configure an EFI boot menu for multiple Linux distros on an external SSD? (MacBook Pro)

I’m recently new to Linux but coming from a macOS background, I like the look and feel of Linux and it’s very powerful. I bought an external SSD and installed Kali for a career in pentesting (via ...
0
votes
0answers
13 views

Linux Mint 18 USB boot problem - how to access home folder?

Running Linux Mint 18 from a 64 GB USB stick since a while Last boot got me the message I shall insert a proper boot device tried to read the usb in a different system (ubuntu 16) and showed me this: ...
2
votes
0answers
17 views

How to disable sudo in containers from audit logging to host

How do I disable sudo inside of LXC containers from writing to the audit log on the host? Both the host and containers are Fedora 29. We run many containers running automated tests. Some of those ...
0
votes
3answers
37 views

Why can't /dev/sd** be accessible without mounting?

I've been reading other questions and answers, but none have shown me exactly why mounting is absolutely necessary. They say the drive needs a mounted directory for association with the physical drive,...
1
vote
1answer
32 views

Kali linux - Crontab @reboot is not executing

I'm on Kali Linux with VERSION_ID="2019.3" uname -a Linux kali 4.19.0-kali5-amd64 #1 SMP Debian 4.19.37-6kali1 (2019-07-22) x86_64 GNU/LINUX Trying to execute adjust_timezone.sh placed in /...

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