General (Page 18)

yum install gcc python3-devel yum install python3 pip3 install psutil Command: watch -n 2 python3 cpu.py def tell_system_status(): import psutil import platform import datetime os, name, version, _, _, _ = platform.uname() version = version.split(‘-‘)[0] cores = psutil.cpu_count() cpu_percent = psutil.cpu_percent() memory_percent = psutil.virtual_memory()[2] disk_percent = psutil.disk_usage(‘/’)[3] boot_time = datetime.datetime.fromtimestamp(psutil.boot_time()) running_since = boot_time.strftime(“%A %d. %B %Y”) response = “I am currently running on %s version %s. ” % (os, version) response += “\nThis system is named %s and has %s CPU cores. ” % (name, cores) response += “\nCurrent disk_percent is %s percent. ” % disk_percent response += “\nCurrent CPU utilization is %s percent. ”Read More →

I was trying to install Adobe CS5 in my Imac 2011 – running High Sierra. When i clicked on the installation icon, i always got “install” can’t be opened. you should eject the disk image.” , i verified my security setting, there is nothing blocked there. This is the error i got:   Root cause: it’s something with Apple certificate expiration. It revokes Adobe from installing correctly. This is how i fixed Open “Terminal” app  and run 2 commands below: cd /Volumes/Adobe\ Photoshop\ CS5/Adobe\ Photoshop\ CS5/Install.app/Contents/MacOS/ install      Read More →

Smokeping is a great tool for network monitoring, we recently adopted smokeping to use it for URL monitoring. We use the Curl probe for this purpose. Everything seems working fine until the number of URL goes over a thousand, whenever we restart the service, we see a gap in the graph , this gap means Smokeping did nothing at that time. We did some analysis and make some change: – changing the forks parameter from 5 to 100 – changing the pings from 5 to 3 (if you do this you have to delete all your rrds first otherwise smokeping will not be able toRead More →

$pfx_file=”mywindows_cert.pfx”; $password=”dailyithlep”; $pem_file=”mypem_cert.pem”; convert_pfx_file_to_pem($pfx_file,$password,$pem_file,true); function convert_pfx_file_to_pem($pfx_file,$password,$pem_file,$remove_password=true) { $CERT_FILE=”/tmp/certificate.crt”; $CA_CERT_FILE=”/tmp/ca-cert.crt”; $PRIVATE_KEY=”/tmp/private.key”; $PRIVATE_KEY_NOPASSWORD=”/tmp/private_nopassword.key”; //get the certificate file from pfx file $cmd=”openssl pkcs12 -clcerts -nokeys -in \”$pfx_file\” -out $CERT_FILE -passin pass:$password”; shell_exec($cmd); //get the ca-certificate file from pfx file $cmd=”openssl pkcs12 -cacerts -nokeys -in \”$pfx_file\” -out $CA_CERT_FILE -passin pass:$password”; shell_exec($cmd); ////get the private key from pfx file $cmd=”openssl pkcs12 -nocerts -in \”$pfx_file\” -out $PRIVATE_KEY -passin pass:$password -passout pass:$password”; shell_exec($cmd); if($remove_password) { //remove the password in private key $cmd=”openssl rsa -in $PRIVATE_KEY -out $PRIVATE_KEY_NOPASSWORD -passin pass:$password “; shell_exec($cmd); //put all 3 files into one file again $cmd=”cat $CERT_FILE $CA_CERT_FILE $PRIVATE_KEY_NOPASSWORD > $pem_file “; shell_exec($cmd); }else{ //put all 3 filesRead More →