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资源说明：Removes garbage from UTMP files after analyzing processess tree
Girl dumped you? Your wife leaved you? Your friend got on your nerves? You've removed their accounts and all their processes was killed. Good.. But it scares you when their usernames are still present when you type 'w' or 'finger'.. There is nothing easier! Use UTMP Jeber and once for all remove them from your system and your live! * UTMP Jeber - what is it? It's a simple tool, which looks for a suspect UTMP database entries. It has come into existance in as a result of interraction with users' frustration. Users are frustrated, when they are present in UTMP even they are not connected to a system. It can happend when KILL is delivered to some processes (e.g screen), or when connection is reset by peer. Users get nervous, because it makes other users bad informed. It can make them nervous on systems, which users UTMP to limit maximum number of login sessions for user. Frustrated users are wonted to abuse 'talk root' and 'mail root' commands, and that was the main motive to write this small application. * What UTMP does? UTMP Jeber reads proc filesystem and creates processes tree in memory. The tree reflects to the current hierarchy of system processes. After it creates the tree it checks any entry found in UTMP against it. If it find any error it can optionally remove the entry from database. Jeber has a various methods for checking validity of data found in UTMP. The most safe and sure are selected automaticaly. To see the possible checking methods and other options just type in the command line: utmp-jeber -h * Methods: name: l-seek default: yes level: safe summary: it checks whether login process exists ------------------------------------------------------------- name: u-seek default: yes level: neutral summary: it checks whether any user process exists this method is not recommended to use as an independent check, because it may not indicate all broken entries ------------------------------------------------------------- name: pgid-check default: no level: unsafe summary: it checks for existance of processes whith PGID equal to PID of the login process, or PID of its first child this method is not recommended while removing entries, because it may suggest to remove good data ------------------------------------------------------------- name: pgid+line-check default: no level: very unsafe summary: it checks for existance of processes whith PGID equal to PID of the login process, or PID of its first child additionaly it checks whether found processes have a valid terminal line name (as found in UTMP) this method is not recommended while removing entries, because it may suggest to remove good data ------------------------------------------------------------- name: inherit-check default: no level: safe summary: it checks whether there are any processes, which are children of the login process it checks processes' inheritance path to obtain parentship relations ------------------------------------------------------------- name: inherit+line-check default: yes level: safe summary: it checks whether there are any processes, which are children of the login process it checks processes' inheritance path to obtain parentship relations additionaly it checks whether found processes have a valid terminal line name (as found in UTMP) ------------------------------------------------------------- name: line-check default: no level: neutral summary: it check whether there are any processes, which have some open descriptiors attached to the valid terminal device, which name is placed in UTMP entry this method is not recommended to use as an independent check, because it may not indicate all broken entries -------------------------------------------------------------
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