Text Based Weather Report
At the bash prompt enter curl wttr.\in or curl wttr.\in/Atlanta (replace Atlanta with your city or city code)
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Adjust disk space used by journal in linux
You can diminish the size of the journal by means of these commands: sudo journalctl –vacuum-size=100M This will retain the most recent 100M of data. sudo journalctl –vacuum-time=10d will delete everything but the last 10 days. The above commands are … Continue reading →
Add dummy network interface to Linux
There are many reasons why you would do this, most of which are for testing and learning. Not going to go into why – just going to do it. nmcli con add type dummy ifname dummy0 con-name dummy0 ipv4.address 10.101.101.1/24 … Continue reading →
Set time format to 24 hours at shell prompt
You type in date on your linx box and you get Tue Sep 5 5:08:49 PM CDT 2023 but you want it to read Tue Sep 5 17:08:49 CDT 2023 To make that happen execute localectl set-locale LC_TIME=”C.UTF-8″ Log off, … Continue reading →
Throttle processor speed in Linux
I have a system that runs in a environment that tends to be on the warm side. If the processor starts running at 3Ghz or higher, the processor starts some serious overheating. Applications I have running on this system do … Continue reading →
EPEL on Rocky Linux
Installing EPEL sudo dnf -y install epel-release Dont use the epel-next repository. epel-next is meant for Stream, and packages from it may not function correctly.
Continue reading →session-####.scope: Succeeded.: # Time(s)
I am getting 10’s to 100’s of the following lines in my logwatch email session-####.scope: Succeeded.: # Time(s) This apparently is being caused by the current version of cron and logwatch To suppress these messages in the logwatch email, edit … Continue reading →
Block an outbound port using firewalld-cmd
I had a test machine I was setting up and I did not want it to be able to send out emails (tcp 25) Edit the file /etc/firewalld/firewalld.conf. Find the line FirewallBackend=nftables change it to read FirewallBackend=iptables execute systemctl restart … Continue reading →
PHP 7.4 on Rocky Linux
see: https://www.tecmint.com/install-php-7-on-rocky-linux/
Continue reading →Install Centos 8 using VNC
inst.vnc inst.vncpassword=password resolution=1200×750
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