Category: Scripting

• Script to generate interface configs on Linux

  Generate ifcfg-eth1 307-366 configs.

  touch ifcfg-eth1:{307..366}
  for f in ifcfg-eth1:{307..366}; do cat origfile > “$f”; done
  for f in eth1:{307..366}; do echo “DEVICE=$f” >> “ifcfg-$f”; done
  for f in {307..366}; do echo “IPADDR=aaa.bbb.ccc.$((f-239))” >> “ifcfg-eth1:$f”; done

  origfile contains:

  GATEWAY=eee.fff.ggg.hhh
  TYPE=Ethernet
  BOOTPROTO=none
  NETMASK=255.255.255.192

  Tags: bash, DEVICE, Fedora, gateway, ifcfg-eth1, IPADDR, Linux, touch
  Posted in Centos, Debian, Fedora, Linux, Programming, Redhat, Scripting, Ubuntu | No Comments »

• Sending image emails with mutt from command line

  ls | perl -ne ‘$a=$_;chomp $a;$b=”mutt -s \”poza $a\” -a $a <email> < message.txt\n”;print $b;`$b`’

  Tags: command, command line, email, mutt, perl
  Posted in Scripting | No Comments »

• Script to autorestart httpd server if it fails

  I use this script on a cpanel server..if output of pgrep command is 0 then the $restart command is issued

  #!/bin/bash
  restart=”/scripts/restartsrv_httpd”
  pgrep httpd || $restart
  exit 0

  If its a VPS then I might add to clear the Semaphore Arrays.

  for i in `ipcs -s | grep nobody | awk ‘{print $2}’`; do ipcrm -s $i; done

  Then I put this script into Cron to run every 5 minutes.

  # MIN HOUR DAYOFMONTH MONTH DAYOFWEEK COMMAND
  */5 * * * * /root/checkhttp.sh

  Tags: apache, checkhttp.sh, httpd, ipcrm, ipcs, nobody, restart, restartsrv_httpd, script
  Posted in Scripting | No Comments »