Best of Technical Support
inetd on my system, Slackware 2.0.28, stops on occasion, barring access from telnet. Is there an easy way to automatically restart inetd if it dies?
—Mark Johnson, Mark.Johnson@InfoHarvest.ca
You're running an extremely old version of inetd, and some versions did have stability problems. Several solutions to your problem are available. If it is possible to upgrade your system, newer versions usually work fine, and you'll receive other benefits as well. If you'd like a replacement, try such alternatives as xinetd or daemontools, both of which are quite stable and add some features to the mix. However, if your cron service is trustworthy and you don't need to restart the service the second it dies, you might try running the following script every five minutes or so from cron:
#!/bin/sh ISINETS=`ps ax | grep inetd | grep -v grep | wc -l` if [ $ISINETD != 1 ]; then /usr/sbin/inetd fi
—Chad Robinson, email@example.com
We've said this before, but please replace telnet with OpenSSH to avoid exposing your passwords and other sensitive data to the network. Packages for the OpenSSH client and server are available for all the Linux distributions, and compatible clients are available for every common platform. SSH is as easy to use as telnet, and it automatically encrypts your connection.
—Don Marti, firstname.lastname@example.org
I'm operating SuSE 8.0 on my IBM ThinkPad 600E and am trying to connect to our LAN server at work. How do I configure TCP/IP so it automatically recognizes the addresses?
Run YaST2, the SuSE setup tool, and go to the Network address setup screen. Select Automatic address setup (via DHCP) to use a DHCP server if one is available, or select Static address setup and fill in an IP address and subnet mask to set the address manually.
—Don Marti email@example.com
- Nmap—Not Just for Evil!
- Resurrecting the Armadillo
- High-Availability Storage with HA-LVM
- March 2015 Issue of Linux Journal: System Administration
- Real-Time Rogue Wireless Access Point Detection with the Raspberry Pi
- DNSMasq, the Pint-Sized Super Dæmon!
- Localhost DNS Cache
- Days Between Dates: the Counting
- The Usability of GNOME
- Linux for Astronomers