Matching an empty line with regular expression string match

 

https://stackoverflow.com/questions/3012788/how-to-check-if-a-line-is-blank-using-regex

 

works in regular expression search mode in notepad++

 

^\s*$

Explanation:

• ^ is the beginning of string anchor.
• $ is the end of string anchor.
• \s is the whitespace character class.
• * is zero-or-more repetition of.

In multiline mode, ^ and $ also match the beginning and end of the line.

 

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debian 9 notes on installing cockpit

 

 

https://www.rosehosting.com/blog/install-cockpit-on-debian-9/ 

apt update && apt upgrade

echo 'deb http://deb.debian.org/debian stretch-backports main' > \
 /etc/apt/sources.list.d/backports.list

apt update

apt -y install cockpit

systemctl enable cockpit

systemctl status cockpit

 

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block and unblock group members and blocking people on FB

 

https://www.indiatoday.in/information/story/how-to-remove-or-block-someone-from-a-facebook-group-step-by-step-guide

How to remove a block you've put on someone using computer

Step 1: From your News Feed click Groups in the left menu and select your group.

Step 2: Click Members in the left menu.

Step 3: Click Blocked to the right.

Step 4: Click Remove Block next to the person's name.

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how to create a local repository for Debian. Also redirect from local to remote repo

 

https://www.linuxquestions.org/questions/debian-26/how-to-create-local-repository-with-debian-9-a-4175608798/ 

 

https://askubuntu.com/questions/42441/how-do-remove-the-cd-dvd-install-as-a-source-for-apt-get-packages-when-install 

 

removing the dvd / cdrom entry (commenting) in /etc/apt/sources.list seems to remove the prompt

to insert media

 

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xrdp on debian 9 notes.

 

Install xrdp xfce4 and vnc

 

apt install -y xrdp tigervnc-standalone-server

problem with xrdp.ini having autorun= default to the Session ID rather than reasonable value

change the autorun= to add autorun=Xvnc

 

cant seem to run Xorg session, but with xvnc installed works okay

 

upstream error

https://github.com/neutrinolabs/xrdp/issues/750

 

original error in Fedora 24

https://bugzilla.redhat.com/show_bug.cgi?id=1450681

 

error message is:

 /var/log/xrdp.log shows [ERROR] xrdp_wm_log_msg: Section "HPC15" not configured in xrdp.ini

install xsession and xsessionrc as follows

https://www.hiroom2.com/2018/05/07/ubuntu-1804-xrdp-xfce-en/

another file on debian 9 xrdp

https://ekozel.com/2019/10/05/setup-remote-desktop-xrdp-on-debian-9/

https://portal.databasemart.com/kb/a457/how-to-install-desktop-environment-and-xrdp-service-in-debian-9.aspx

 

 

 

 

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xterm traffic over ssh

notes on running ssh and exporting windows via ssh

https://www.answertopia.com/ubuntu/displaying-ubuntu-applications-remotely-x11-forwarding/

Has notes also for a wndows x server, and using Putty to tunnel x traffic and display on the windows machine.

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