Старый 26.07.2008, 05:27 Язык оригинала: Русский       #1
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По умолчанию Russia celebrates Day of sysadmin .... Alexander the holiday ...

Who is the system administrator.
Seven myths about sysadmin
This is a free translation of the famous mantra present system administrators (the original at www.adminspotting.org). If you're sitting at work, no problem send and receive mail, Web pages are always loaded shustro, at the same speed, even in the most working hours and completely without any banners, all information on network drives backup regularly, but critically important data base for the third year works without a glitch, if sixteen of your remote offices throughout the city involve the same local network, in which you have not seen a single virus or worm, though many are sitting on unpatched Windu, and the phrase "for technical reasons," the last time you heard a half years ago, Congratulations - you have in the office works present a sysadmin.
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Like any worker IT-sphere, life is not easy admin, and work - sometimes thankless. System administrators - a unique group of people who are alien to careers in the conventional sense of the word. They do not seek to be the boss and to manage people, to be seen. This is the rare case when a person considers his work well done, if this work is not overlooked. Everything just works. As clock. Smoothly. However, for the work of system administrators, there are some misconceptions to be dispelled. And to show that "choose no life ..." - Not just fine words.

MYTH ONE: "ADMIN is one who sits at the Console, and lazily poked the button"
Before we move limbs lazily on the device I should do a lot of work. Extend network on floor and cabinets, to tie each floor patchpanel the switches to start it all on one internal router to collect from one to dozens of server racks, between this and compress two or three dozen power cord at the same time think about the future expansion of the network with the addition of new offices for the current painlessly. All this requires long hours and days of work with a screwdriver and pliers, crawling on falshpotolkam with wires in his mouth, picking a server rack. That is why the admin work clothing - a sweater, jeans and soft shoes. Not because he did not look after themselves, but because he watches the network. Only then you can simply plug in their light-hearted and a working machine in a wall panel, and admin - sit at the keyboard and configure the mail, database, or anything else.

MYTH TWO: "So ADMIN MUST be able to do everything"
This appears to be derived from the first. In fact, the admin, which extends the network and network services sets, and wrote the program, and websites masters - a rare natural talent. All large organizations sysadmin - only one of the technical support department, which, as a rule, a couple of specialists responsible for the physical organization of the network, a couple of system administrators are engaged directly by mail /web server /database, and other services, and a couple of staff members running to the users , solving the perennial problems with their uncanny wayward OS Windows. However, in medium and small organizations with all the usual accounts managed by one or two specialists. And here the present Admin should be able to do everything. Under "know everything" means not knowing everything that is in a networked world, and the ability to understand this. Thus, the admin does not have to know by heart all the details of the protocol radius, but by using its knowledge and existing web documents (which he finds with the help of the faithful of Google) is required to quickly understand and adjust service freeradius, which implements this protocol.

MYTH THREE: "GOOD ADMIN USUALLY idle"
You can often hear that the frequency of occurrence admin at work is inversely proportional to its escarpment. Like, in this pro everything works smoothly, but because of work, he appears only in the days of salary payment or corporate events. Such situations do occur, but in serious organizations bosses do not care that "Vasya went home, because everything works, because one hour of downtime veb-servera/bazy data /remote office can cost several thousand dollars, dozens of lost customers, and finally just the company's image. This admin should not only be able to prevent the crash (on the burned CPU or hard drive, spread no one is safe), but - and this is much more important - to be able to eliminate its effects in the shortest possible time, without prejudice to the company. Ideally, users should not notice that the mail server with the entire base was covered. Bacup, duplication of servers, kickbacks - these words should be familiar to every Webmaster. And the phrase: "Winchester burned, so I reinstalls the OS from scratch" - is nonsense.

Myth Four: "On the contrary, ADMIN always busy"
This is the other extreme, caused by the fact that, as a rule, administrative leave from his job after the other employees, and sometimes spend the night at work. Therefore, some admin associated with unshaven tired pepper with red eyes. Indeed, if a company facing major changes in the network infrastructure, the working day admin extended only as long as necessary to complete the work. But if everything was okay, then the admin drinks coffee, reads the IT-news and (necessarily!) Security-mailing. In short, keep yourself informed and ready. Permanently and quietly pass patches and updates systems and services, minor improvements, thought out plans for future life online. Webmaster is not necessarily always tinkering with the servers, but also unacceptable to him was the news for information about a serious vulnerability two days ago. Admin, learning about new vulnerabilities from colleagues - not admin.

MYTH FIVE: ADMIN - ALL completely fanatical YUNIKSOIDY "
Of course, any self-respecting admin should know UNIX and able to work in the console, rather than relying on numerous graphical configuration utilities. And many admins - first of all unix-rypy. Although the reason that 70%of web servers running different variations of UNIX, Apache dominates the market for Web servers, as well as ISC BIND - including DNS. But we must understand that the network - is not only a web /mail /DNS. There are routers, and hence - Cisco. And although now opensource-based solutions for UNIX capabilities surpass some tsiski, nevertheless PC - a PC, a router - a specialized device. Many questioned the feasibility of using Windows NT as a server platform, but is there a difference for the bosses than the managed network, if everything works smoothly, the company's needs in the network services are fulfilled, and the hacking of your network can not talk? We must once and for all understand that there is a better operating system, a better distribution Linux, the best ftp-daemon, and so on. This admin should do everything quickly and accurately, and which in doing so he will use the funds - the case solely on his taste. In the end, if the admin like every day shaking patches to servers running Windows 2008 - it is his business.

MYTH SIX: "ADMIN - informal, lazy and BEZOTVETSTVENNAY PERSONALITY"
Sysadmin comes to work all the time in one and the same sweater, sometimes half-asleep, with the high command does not communicate. It is automated in the system all that is possible. For all scripts are ready, and he does not even remember when you last installed OS from the CD, as all updates occur rebuilding the system from a fresh source tree. And if you are installing from scratch is a script automatically install the OS and all necessary services. But the admin can go on vacation, and all of his duties temporarily fall on assistant. Which should at least understand that the admin bloat, and not make things worse. So sure - meticulous commentary of all configuration files, backup systems in case of rollback or recovery, coordination of changes with colleagues in the server room, the ability to clearly and efficiently explain what, where and how to operate. Webmaster indeed sometimes too lazy to buy a second sweater or change jeans. He was too lazy to explain to users why they have buggy vinda. But what about his network - it is not neformal and not lazy. This - This sysadmin.

MYTH SEVEN: "A GOOD ADMIN - LITTLE Hacker"
This is, in fact, not myth. Network security must be second only to the stability of its work. Therefore, a good admin would prefer proven secure solutions, even if they are more difficult to maintain and configure. Admin should be aware of techniques that hackers use to infiltrate the network, and test them on their network before hackers do it. It is known that the vast majority of burglaries occur because of the use of old, leaky versions of network services, for which there is public exploit code. But even if the admin time updates Apache and MySQL, a programmer wrote a script full of holes, an attacker can gain access to the system with the rights of the web server or database. Therefore can not be limited to only the timely updating of services, we still run them to the maximum safe configuration. Job sysadmin can seldom be appreciated by simple users, but it is not necessary. He is not seeking popularity. It just makes so that the network worked.



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Этот пользователь сказал Спасибо Евгений за это полезное сообщение:
Admin (26.07.2008)
Старый 26.07.2008, 08:04 Язык оригинала: Русский       #2
Administrator
 
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Eugene, thanks for the congratulations!

I'm not quite sysadmin, rather admin part-time. Here is the phrase is appropriate: "Admin should be able to do everything." Only myself, I would say the opposite. However, out of modesty silent. : shy:

Thanks again! I am very pleased.



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