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rfkill list 1
command gives me:
1: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
However, when I run the following command,
sudo systemctl status bluetooth.service
I get this error:
bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2019-01-27 13:55:21 +03; 1h 4min ago
Docs: man:bluetoothd(8)
Main PID: 950 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4915)
CGroup: /system.slice/bluetooth.service
└─950 /usr/lib/bluetooth/bluetoothd
systemd[1]: Starting Bluetooth service...
bluetoothd[950]: Starting SDP server
systemd[1]: Started Bluetooth service.
bluetoothd[950]: Bluetooth management interface 1.14 initialized
bluetoothd[950]: Failed to set mode: Blocked through rfkill (0x12)
bluetoothd[950]: Failed to set mode: Blocked through rfkill (0x12)
bluetoothd[950]: Failed to set mode: Blocked through rfkill (0x12)
bluetoothd[950]: Failed to set mode: Blocked through rfkill (0x12)
bluetoothd[950]: Failed to set mode: Blocked through rfkill (0x12)
bluetoothd[950]: Failed to set mode: Failed (0x03)
I use Ubuntu 18.04.1 LTS. When I start bluetooth, it searches for the devices, but it never finishes.
I currently have this problem in Mint 19.3 (kernel 5.4.0-48-generic) on an X1 Carbon ThinkPad. My rfkill showed Bluetooth as Hard blocked. No idea why the following is necessary, but it worked for me:
sudo rfkill unblock bluetooth
I've had to do it twice in the last two weeks, which suggests something random is happening that results in Bluetooth being blocked after a restart. Random issues are always a hoot.
I had the same problem : rfkill did not show the device as blocked but the commands
# rfkill block bluetooth
# rfkill unblock bluetooth
worked for me.
I hope I was helpful
PS : the # means run as root (via sudo or directly logged in as the root user)
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On a Windows 10 host I have a VirtualBox virtual machine with Debian 11. The access to the VM is done by a virtual network card "Virtual Box Host Only Ethernet Adaptater".
I connect with ssh on my VM without any problem.
I have a shared folder on Windows 10, and I want to access it via a mount from my VM. I've been doing this for years, but now I can't get a stable behavior. It worked last week, but now it doesn't work anymore
I use this command:
mount -a -t cifs //192.168.56.1/vmjpweb /home/web -o "username=*******,password=*******" --verbose
The result :
/ : ignoré
none : ignoré
/media/cdrom0 : ignoré
domain=192.168.56.1
password specified twice, ignoring second
mount.cifs kernel mount options: ip=192.168.56.1,unc=\\192.168.56.1\vmjpweb,vers=3.0,sec=ntlmsspi,uid=33,gid=33,user=*******,domain=192.168.56.1,pass=********
mount error(13): Permission denied
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel log messages (dmesg)
The kernel log:
Oct 31 09:11:49 rock kernel: [ 1009.046835] CIFS: Attempting to mount //192.168.56.1/vmjpweb
Oct 31 09:11:49 rock kernel: [ 1009.221195] CIFS: Status code returned 0xc000006d STATUS_LOGON_FAILURE
Oct 31 09:11:49 rock kernel: [ 1009.221219] CIFS: VFS: \\192.168.56.1 Send error in SessSetup = -13
Oct 31 09:11:49 rock kernel: [ 1009.221263] CIFS: VFS: cifs_mount failed w/return code = -13
I just created a new local user and it works well.
The login I was using was not local on the host, but on the domain of my work. I was trying to connect to the shared folder without a connection to the domain.
I also use fstab for the running.
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I have this simple /etc/systemd/system/test.service file
[Unit]
Description=SkriptA
After=network.target auditd.service
[Service]
Type=simple
ExecStart=/opt/test.sh
[Install]
WantedBy=multi-user.target
When i run systemctl start test.service and then systemctl status test.service It shows that serivce succeeded but is inacitve, please why is this?
● test1.service - SkriptA
Loaded: loaded (/etc/systemd/system/test1.service; disabled; vendor preset: enabled)
Active: inactive (dead)
Mar 05 12:17:55 hro0078 systemd[1]: Started SkriptA.
Mar 05 12:17:55 hro0078 systemd[1]: test1.service: Succeeded.
The ExecStart script is simple as service
#!/usr/bin/bash
echo Hi > /tmp/test1
date >> /tmp/test1
I use: Linux version 4.19.0-13-amd64 (debian-kernel#lists.debian.org) (gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP Debian 4.19.160-2 (2020-11-28)
Your program was started successfully and it terminated directly.
To have your service active, it needs to keep running. Example:
#!/usr/bin/bash
while [ 1 ]; do
echo Hi > /tmp/test1
date >> /tmp/test1
sleep 60
done
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I am trying to start apache2 services by running-
sudo service apache2 start
But it is resulting in-
Job for apache2.service failed because the control process exited with error code.
See "systemctl status apache2.service" and "journalctl -xe" for details.
I tried-
sudo systemctl status apache2.service
and it's showing-
● apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2020-12-08 11:17:18 IST; 7min ago
Docs: https://httpd.apache.org/docs/2.4/
Process: 30529 ExecStart=/usr/sbin/apachectl start (code=exited, status=1/FAILURE)
Dec 08 11:17:18 dk systemd[1]: Starting The Apache HTTP Server...
Dec 08 11:17:18 dk apachectl[30535]: chown: invalid user: 'dk'
Dec 08 11:17:18 dk systemd[1]: apache2.service: Control process exited, code=exited, status=1/FAILURE
Dec 08 11:17:18 dk systemd[1]: apache2.service: Failed with result 'exit-code'.
Dec 08 11:17:18 dk systemd[1]: Failed to start The Apache HTTP Server.
I am assuming the problem is with invalid user: dk. How can i resolve this?
Also I recently removed one user account which already had LAMP stack installed. Is that the reason why it's showing invalid user?
In new systems, e.g. ubuntu 20 * LTS, the configuration file is /etc/apache2/envvars
look for APACHE_RUN_USER and APACHE_RUN_GROUP.
You must see in the file:
/etc/apache2/apache2.conf
or
/etc/apache2/httpd.conf
what is the entered user and what group
normally it is:
User www-data
Group www-data
or maybe in your case it is "dk"
in addition, you may have specified in the server file that the site location is in a directory owned by "dk".
Check the server configuration with the command:
apachectl configtest
or
sudo apachectl configtest
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I've created this service in /etc/systemd/system/webapp.service
in a
Distributor ID: Debian
Description: Debian GNU/Linux 10 (buster)
Release: 10
This is the content:
[Unit]
Description=webapp daemon
After=network.target
[Service]
Type=notify
ExecStart=/usr/local/bin/start-webapp.sh
ExecStop=/usr/local/bin/stop-webapp.sh
ExecReload=/usr/local/bin/reload-webapp.sh
StandardOutput=null
[Install]
WantedBy=multi-user.target
Alias=webapp.service
I try to startd the service using:
sudo systemctl start webapp.service
But when I do
sudo systemctl status webapp.service
I got this error:
● webapp.service - webapp daemon
Loaded: loaded (/etc/systemd/system/webapp.service; disabled; vendor preset: enabled)
Active: inactive (dead)
Jun 01 11:31:48 localhost systemd[1]: /etc/systemd/system/webapp.service:8: Missing '='.
Jun 01 11:31:52 localhost systemd[1]: /etc/systemd/system/webapp.service:8: Missing '='.
Jun 01 11:35:21 localhost systemd[1]: /etc/systemd/system/webapp.service:8: Missing '='.
Jun 01 11:35:31 localhost systemd[1]: /etc/systemd/system/webapp.service:8: Missing '='.
and
admin#localhost:/etc/systemd/system$ cat -vetn webapp.service
1 [Unit]$
2 Description=webapp daemon$
3 [Service]$
4 Type=simple$
5 ExecStart=/usr/local/bin/start-webapp.sh$
6 ExecStop=/usr/local/bin/stop-webapp.sh$
7 ExecReload=/usr/local/bin/reload-webapp.sh$
8 [Install]$
9 WantedBy=multi-user.target$
Your config content seems nothing wrong, so I have copied it to my debian server and try to run it, and it's really ok.
But it's strange that the stdout of cat -vetn webapp.service is not the exactly content of your original config, so would you mind to remove the original config and do it again ?
refer: https://wiki.debian.org/systemd/Services
redo:
mv webapp.service /tmp/webapp.service
vi webapp.service # check characters
After creating or modifying any unit files, we must tell systemd that we want it to look for new things:
systemctl daemon-reload
Then, tell systemd to enable it, so that it will start every time we boot:
systemctl enable myservice.service
Finally, start it:
systemctl start myservice.service
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I am having issues using VNC between MacOS X and Linux.
I installed tightvnc server on CentOS Linux and vncviewer on Mac OS X. I have done all the setting to my best knowledge and then started vncserver on the Linux computer. I also opened the port 5901.
When I execute the command "vncviewer :1" on the Linux machine, things work fine. I can see desktop appear in a window.
From Mac OS X I am unable to connect to the Linux vncserver. The message I get is
"The connection was refused by the computer"
I am able to SSH from Mac to Linux so there is connection between the two computers but VNC won't work.
Can someone please help me save this issue. I have searched the web but found nothing that worked thus far.
Thanks!
Here is the message from the vnc log file.
Xvnc TigerVNC 1.1.0 - built May 11 2016 13:01:55
Copyright (C) 1999-2011 TigerVNC Team and many others (see README.txt)
See http://www.tigervnc.org for information on TigerVNC.
Underlying X server release 11704000, The X.Org Foundation
Tue Jan 24 10:03:36 2017
vncext: VNC extension running!
vncext: Listening for VNC connections on all interface(s), port 5901
vncext: Listening for HTTP connections on all interface(s), port 5801
vncext: created VNC server for screen 0
GNOME_KEYRING_SOCKET=/tmp/keyring-jWrQoB/socket
SSH_AUTH_SOCK=/tmp/keyring-jWrQoB/socket.ssh
GNOME_KEYRING_PID=7644
gnome-session[7629]: WARNING: Could not launch application 'linc-cleanup-sockets.desktop': Unable to start application: Failed to execute
child process "/usr/bin/linc-cleanup-sockets" (No such file or directory)
Failed to play sound: File or data not found
(polkit-gnome-authentication-agent-1:7668): GLib-GObject-WARNING **: cannot register existing type `_PolkitError'
(polkit-gnome-authentication-agent-1:7668): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
An instance of nm-applet is already running.
Dropbox isn't running!
Dropbox is already running!
Initializing nautilus-dropbox 2015.10.28
(null): Warning no default label for /home/amit/.gvfs
Failure: Module initalization failed
** (gnome-panel:7657): WARNING **: panel-applet-frame.c:1288: failed to load applet OAFIID:GnoteApplet:
(null)
You can tunnel the VNC connection through SSH by using local port forwarding.
To start the port forward:
ssh -NTf -L 5901:localhost:5901 user#linux_server
Then point your VNC viewer at localhost.
vncviewer localhost:5901