Unix & Linux Questions, Problems & Solutions : TransWikia.com ~ Page 29

Bash tail -f with while-read and pipe hangs

In Bash, piping tail -f to a read loop blocks indefinitely. while read LINE0 do echo "${LINE0}"; done < <( tail -n 3 -f /tmp/file0.txt...

Asked on 11/23/2021 by Eric Larson

1 answer

Linux console Shift + PgUp not working anymore

I run Fedora 24 and sometimes use a virtual console.(I use Ctrl+Alt+F3 to switch to the virtual console, so it's not a terminal in X).In the past I...

Asked on 11/23/2021 by jack herrer

2 answer

grep -v: How to exclude only the first (or last) N lines that match?

Sometimes there are a few really annoying lines in otherwise tabular data likecolumn name | other column name-------------------------------I generally prefer removing garbage lines that shouldn't be there by grep...

Asked on 11/23/2021

5 answer

Linux Mint - Not detecting monitor connected via USB-C to HDMI hub

I recently bought a laptop (Asus Zenbook Flip) and installed Linux Mint. Now I want to connect two external monitors. Connecting the first through the HDMI port works without problems,...

Asked on 11/23/2021

1 answer

Why does piping `mysql` to 'tail' change the output format?

When I view the result of a SELECT with MySQL Workbench, it's correct with one single max@host 10:13:58: ~$ mysql -h db-master.domain.local -uuser -ppw db -e '> ...

Asked on 11/23/2021 by FaxMax

1 answer

Troubles while installing any Linux OS on Asus TUF FX504

Tried to install Ubuntu, Antergos and Kali linux KDE on a new laptop Asus TUF FX504. Before I did it I disabled Fast & Secure boot ...

Asked on 11/23/2021 by Stecco

4 answer

How to start a swanctl.conf configured tunnel automatically

Environment: Debian 10, KDE, Full desktop# ipsec --versionLinux strongSwan U5.7.2/K4.19.0-6-amd64# swanctl --versionstrongSwan swanctl 5.7.2# systemctl status strongswan● strongswan.service - strongSwan IPsec IKEv1/IKEv2 daemon using ipsec.conf Loaded: loaded...

Asked on 11/23/2021

1 answer

how to close a port on CentOS 7 server?

I have opened the 3000 port of my CentOS 7 server with the following commands:firewall-cmd --zone=public --add-port=3000/tcp --permanentfirewall-cmd --reloadBut now I want to closing them, how can I do...

Asked on 11/23/2021 by user3486308

1 answer

GNU date: truncate provided date-time and set provided hours

I have a timestamp value in a variable and I need to truncate the hours from it and set different hours. Can GNU date do this in one go? It...

Asked on 11/23/2021 by basin

2 answer

Using subversion on an CIFS mounted share

I am setting up an ubuntu svn/apache2 server for our production environment.Also, it is mandatory, that the actual data is saved on a centralized location in our environment(different server,...

Asked on 11/23/2021 by monatsend

0 answer

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