centos
24 posts
IP=”$(echo $SSH_CONNECTION | cut -d ” ” -f 1)”HOSTNAME=$(hostname)NOW=$(date +”%e %b %Y, %a %r”) echo ‘Someone from ‘$IP’ logged into ‘$HOSTNAME’ on ‘$NOW’.’ | mail -s ‘SSH Login Notification’ YOUR_EMAIL_ADDRESS — -f FROM_EMAIL_ADDRESS
The below will open tcp port 10000 on FirewallD to get access to webmin firewall-cmd –permanent –zone=public –add-port=10000/tcp A reload of FirwwallD is needed to activate the permanent rule into the running environment firewall-cmd –reload
In common situation, "system ip address" is the ETH0 address. So edit /etc/sysconfig/network-scripts/ifcfg-eth0 with your favourite text editor and run service network restart ps don't forget to change default gw also, it's located in /etc/sysconfig/network.
This post shows how to find out what version of Centos you are running from the command line. tail /etc/redhat-release This will output the version in a simple format: Centos release 5.10 (Final)
mkdir /mnt/win yum install samba-client samba-common cifs-utils Edit the /etc/fstab file and add a line like: \\winbox\getme /mnt/win cifs user,uid=500,rw,suid,username=sushi,password=yummy 0 0
This tcpdump command will grab the first 1024 bytes (vs. smaller 68 or so) and line buffer the output for all packets using port 80 (http) tcpdump -s 1024 -l -A port 80
First of all I list all the rules including line numbers like this; iptables -L -t nat –line-numbers I then look at the output that will be similar to the below In this example lets say I want to delete rule number 2 in the PREROUTING chain, […]
Sometimes I have the need to send an email with an attachment directly from the console, to do this I use a small email client called “mutt” it can be installed in Centos using;
I often am faced with deleteing mails from MAILER-DAEMON that are going to non existant domains in my Postfix queue. Rather than manually deleting each email by hand, I now use a little script that does the job for me. All I do now is type in “delmd” without the […]
I have just been working on a site that needs PHP 5.2 or above. The stock repositories for Centos that are provided by Virtualmin do not contain the PHP version I needed. However they do provide a Bleeding Edge packages, these must only be used if you know what you are […]