I have a desktop machine that keeps going into suspend. I want this machine to never go into suspend. First execute this systemctl status sleep.target suspend.target hibernate.target hybrid-sleep.target You will get four answers – look for the entries “Loaded: loaded” … Continue reading →
curl -vvI -k https://target.web.site The above allows you to view the certificate on the selected web site (including self signed certificates) openssl x509 -in certificate.crt -text -noout The above allows you to read the certificate on the web server
Continue reading →I found the best way to handle the certificate on a self hosted unifi controller was to switch to Lets Encrypt. Now, my unifi controller is behind a firewall, so we have to enable the DNS Challenge. We do this … Continue reading →
Sometimes when running a script as root, you need to execute a mysql command. To get around the problem created by the password – execute the following command one time: mysql_config_editor set –login-path=client –host=localhost –user=root –password Fill in the password … Continue reading →
There is a bug in some versions of snmp that cause the message systemstats_linux: unexpected header length in /proc/net/snmp. 237 != 224 to be posted to the logs. It is not an indication of a real problem. To prevent it … Continue reading →
There are two main standards for power cables in the US, NEMA (National Electrical Manufacturers Association) and IEC (International Electrotechnical Commission). The following is a cross reference for some of the most common ones in use today. Nema … Continue reading →
Create a firewall filter to log and accept any packets that match the server’s IP address as the destination-address. set firewall filter SYSLOG_FILTER term SYSLOG_PACKETS from destination-address 192.0.2.5/32 set firewall filter SYSLOG_FILTER term SYSLOG_PACKETS from destination-port 514 set firewall … Continue reading →
|——————————- Minute (0-59) | |————————- Hour (0-23) | | |——————- Day of the month (1-31) | | | |————- Month (1-12; or JAN to DEC) | … Continue reading →
Applies to: Fedora 38 and higher, Centos 7 and higher See which kernel version you will boot into on next boot: root@mysystem:~# grubby –default-kernel /boot/vmlinuz-6.9.4-100.fc39.x86_64 Review all kernels you have on your system root@mysystem:~# grubby –info=ALL index=0 kernel=”/boot/vmlinuz-6.9.4-200.fc40.x86_64″ args=”ro rhgb … Continue reading →
This is an outline on how to find where a piece of equipment is connected to a network using Juniper switches and a Juniper SRX. The concepts are the same when using other manufacturer’s equipment, but the commands will change. … Continue reading →