[PDF] Top 20 Linux System Administration.pdf

... every system administrator has to deal with text whether it is in the form of logfiles, application data, XML, HTML, configuration files, or the output of some ... See full document

... As your configuration gets more complicated, you should consider adding it to a version control system such as Subversion. A version control system allows you to record and track changes to files, and is ... See full document

... 1 This RAID type creates an exact copy, a mirror on a set of two or more disks in an array. RAID 1 is useful for the reading performance which can increase lineally with the number of disks. It also adds fault tolerance ... See full document

... LVS system using direct routing is similar to other LVS to- ...Enterprise Linux to process the incoming requests and perform load-balancing for the real servers, the real servers do not need to be ... See full document

... It has been pointed out that rsync operates far more efficiently in server mode than it does over NFS, so if the connection between your source and backup server becomes a bottleneck, you should consider configuring the ... See full document

... their Linux distributor. This contrasts with the early days of Linux, when one had to download and compile source code in order to install ...the system, it is important to learn about the command ... See full document

... failure, system crash, or human ...file system deletes the original file as well as any file level trustees set on the ...file system is not application aware; that is, it does not track the ultimate ... See full document

... of LINUX for the Intel architecture, the kernel consisted of around 470,000 lines of C code and 8000 lines of Assembler ...the system and controlling the ...operating system in a microkernel context ... See full document

... Available Options Displays the options that the server can use to communicate with the client. These are the predefined options in the system and it is not possible to modify them. In addition to the existing ... See full document

... The situation with a kernel is not as bad as it seems, however. Although, in the case of GNU/Linux, we collect kernel upgrades from the net as though it were third party software, it is rightfully a part of the ... See full document

... The identd service is used to map users/processes to ports in use. For example most irc servers attempt to find out who is connecting to them by doing an identd lookup, which basically consists of asking the identd what ... See full document

... Database Administration The MySQL database is the heart of the Access Control ...for system operation. For the most part, setup and administration of the database can be accomplished through the web ... See full document

... Novell OES DNS server is a distributed database system that provides hostname-to-IP resource mapping (usually the IP address) and other information for computers on a network. If for some reason the Novell OES DNS ... See full document

... Are you also searching for How it Works 3CX Phone System? Get it only at our library now. Cloud based PBX demand is growing Virtual PBX is attractive to smaller customers but comes with a price Existing Virtual ... See full document

... The backup router performs the role of a standby system. Periodically, the LVS routers exchange heartbeat messages through the primary external public interface and, in a failover situation, the private interface. ... See full document

... Another use of malicious TCP flags is the SYN flood attack. This Denial of Service attack is usually aimed at e-mail or Web servers and relies on subverting the three-way handshake connection process discussed earlier in ... See full document

... Oracle Linux via the Public Yum service, which includes updates to the base distribution, but does not include Oracle-specific ...Oracle Linux 6 Update 5 are automatically configured to use the public yum ... See full document

... the Linux community was their writing of the Red Hat Package Manager program, rpm ...on Linux and probably the more common of the ...Hat Linux, S.u.S.E., TurboLinux, Yellow Dog Linux, Caldera ... See full document

... whole system to be up and functional, including networking, but don’t want users logging onto the ...the system is down for maintenance and to try back ... See full document

... Internet services are somewhat different from network services used on an internal network. Chapter 11 begins this part by explaining Internet services, and includes a discussion of the xinetd and TCP wrappers ... See full document