Hands-On Novell Open Enterprise Server for Netware and Linux

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You have now completed the disk preparation phase of the installation. The papd daemon is launched on boot by the /etc/rc.d/init.d/atalk script. You can skip it for now (On a small network, O personnally don#039;t provide that password). You should use bootloader, discussed earlier in this section. Using ipchains enables you to run a personal firewall to protect your Linux machine. Having a quick checklist of potential problem areas simplifies the performance troubleshooting process.

Linux iptables Pocket Reference

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After installing Oracle Clusterware, the Oracle Universal Installer (OUI) used to install the Oracle Database software (next section) will automatically recognize these nodes. Once this has downloaded, open a Terminal session and run the following: You can customize the installation process by adding options to the setup.sh script included in this directory, then selecting your settings as the script executes. IT organizations have limited resources but must stay responsive to dynamic environments and act quickly to consolidate, simplify, and optimize their IT infrastructures.

Laboratory Manual Version 1.5 Security Strategies In Linux

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All the configuration files, httpd.conf, sarg.conf, squid.conf, and welcome.conf can be directly edited from this interface: Any other service or application, which you are not able to locate directly from the index on the left, can be searched by entering in the search box on the left. Next, complete the process by configuring the Pine mail program to handle NNTP-based news. To attend, simply retain your course materials. FTP file conversions enable FTP users to retrieve a file that is stored in one format using another format, provided the FTP server has been configured to convert between the two formats.

Linux TCP/IP Network Administration by Scott Mann

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Pine asks you for the name of a file to attach. 5. Please contact your system administrator. Linux currently has two modern kernel-userspace APIs for handing video input devices: V4L2 API for video streams and radio, and DVB API for digital TV reception. [62] Due to the complexity and diversity of different devices, and due to the large amount of formats and standards handled by those APIs, this infrastructure needs to evolve to better fit other devices.

Selinux: NSA's Open Source Security Enhanced Linux

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It should be set such that even if all of the allocated bandwidth is consumed there is still enough bandwidth for other tasks that might operate at the same time as the Amanda backup process. You can also start Samba from a command prompt. Note the subtle difference here between an internet and the Internet. To see how your Linux disks are currently partitioned and what file systems are on them, look at the /etc/fstab file. Use the same ISP-provided DNS addresses on all systems. 3.

GL250 Enterprise Linux Systems Administration RHEL5 FC6

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Remember to always keep your device’s firmware up to date so you can benefit from the very latest service and security enhancements — and get exciting new features! Here, as seen in the image below, your controls include those for: The level of control is substantial, including complete access to all configuration files for each of these servers, which can save substantial time on the command line. When more than MaxClients attempt to connect, each connection request is put onto a queue (in particular, a FIFO or first-in-first-out queue) and serviced in the order received as current connections close.

Linux System Administration Handbook with CDROM by Mark F.

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Although most administrators use logging as a usage troubleshooting tool, and rightfully so, properly configured logs also serve as an invaluable resource for monitoring system performance and security and for performing security audits. The socket function does this. #include #include int main(int argc, char *argv[]) { int socket_desc; socket_desc = socket(AF_INET, SOCK_STREAM, 0); if (socket_desc == -1) { printf("Could not create socket"); } return 0; } Function socket() creates a socket and returns a descriptor which can be used in other functions.

Learning Shell Scripting with Zsh

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This method works in most cases, and the configuration file installed by the RPM is in fact empty. You can download and install GNU/Linux distributions without purchase. Defines the secondary command prompt, used to indicate that additional input is required to complete a command. Jeff currently works as a Senior Database Administrator for The DBA Zone, Inc. located in Pittsburgh, Pennsylvania. If you've ever used an older version of Windows, you know that these operating systems require a full reboot for even a minor change to the networking configuration.

Linux System Administration [PB,2007]

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If your server is running as root, an exploit of the server will grant the exploiter root privledges. If you are confronted with a user who is really attached to the X-based login arrangement, then you ought to disable the provisions for halting or rebooting the system that are available in, for example, the gdm login screen under the System drop-down menu. Usage: allow-query {“address-list”};. allow-transfer Zone transfers are accepted only by hosts in the address list (by default transfers are allowed to all hosts).

Ubuntu 10.10 Desktop Handbook

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The software was written to trap for the signal so that it could respond to it. You made some changes to the /etc/named.conf file, so before you can check what you did, you need to restart the named daemon. Nfsen makes it possible to investigate that spike and report what was destination and source IP addresses of that traffic, what was the protocol, port numbers and how many sesstions/flows were established.