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• Launching a PHP daemon from an LSB init script w/ start-stop-daemon

  - by EvanK

  I'm writing an lsb init script (admittedly something I've never done from scratch) that launches a php script that daemonizes itself. The php script starts off like so: #!/usr/bin/env php <?php /* do some stuff */ It's then started like so in the init script: # first line is args to start-stop-daemon, second line is args to php-script start-stop-daemon --start --exec /path/to/executable/php-script.php \ -- --daemon --pid-file=$PIDFILE --other-php-script-args The --daemon flag causes the php script to detach & run as a daemon itself, rather than relying on start-stop-daemon to detach it. This is how it's (trying to) stop it in the init script: start-stop-daemon --stop --oknodo --exec /path/to/executable/php-script.php \ --pidfile $PIDFILE The problem is, when I try to stop via the init script, it gives me this: $ sudo /etc/init.d/my-lsb-init-script stop * Stopping My Project No /path/to/executable/php-script.php found running; none killed. ...done. A quick peek at ps tells me that, even though the php script itself is executable, its running as php <script> rather than the script name itself, which is keeping start-stop-daemon from seeing it. The PID file is even being generated, but it seems to ignore it and try to find+kill by process name instead. $ ps ax | grep '/path/to/executable/php-script.php' 2505 pts/1 S 0:01 php /path/to/executable/php-script.php --daemon --pid-file /var/run/blah/blah.pid --other-php-script-args 2507 pts/1 S 0:00 php /path/to/executable/php-script.php --daemon --pid-file /var/run/blah/blah.pid --other-php-script-args 2508 pts/1 S 0:00 php /path/to/executable/php-script.php --daemon --pid-file /var/run/blah/blah.pid --other-php-script-args 2509 pts/1 S 0:00 php /path/to/executable/php-script.php --daemon --pid-file /var/run/blah/blah.pid --other-php-script-args 2518 pts/1 S 0:01 php /path/to/executable/php-script.php --daemon --pid-file /var/run/blah/blah.pid --other-php-script-args $ cat /var/run/blah/blah.pid 2518 Am I completely misunderstanding something here? Or is there an easy way to work around this?

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• Need help with yum,python and php in CentOS. (I made a complete mess!)

  - by pek

  Hello, a while back I wanted to install some plugins for Trac but it required python 2.5 I tried installing it (I don't remember how) and the only thing I managed was to have two versions of python (2.4 and 2.5). Trac still uses the old version but the console uses 2.5 (python -V = Python 2.5.2). Anyway, the problem is not python, the problem is yum (which uses python). I am trying to upgrade my PHP version from 5.1.x to 5.2.x. I tried following this tutorial but when I reach the step with yum I get this error: [root@XXX]# yum update Loading "installonlyn" plugin Setting up Update Process Setting up repositories Reading repository metadata in from local files Traceback (most recent call last): File "/usr/bin/yum", line 29, in ? yummain.main(sys.argv[1:]) File "/usr/share/yum-cli/yummain.py", line 94, in main result, resultmsgs = base.doCommands() File "/usr/share/yum-cli/cli.py", line 381, in doCommands return self.yum_cli_commands[self.basecmd].doCommand(self, self.basecmd, self.extcmds) File "/usr/share/yum-cli/yumcommands.py", line 150, in doCommand return base.updatePkgs(extcmds) File "/usr/share/yum-cli/cli.py", line 672, in updatePkgs self.doRepoSetup() File "/usr/share/yum-cli/cli.py", line 109, in doRepoSetup self.doSackSetup(thisrepo=thisrepo) File "/usr/lib/python2.4/site-packages/yum/init.py", line 338, in doSackSetup self.repos.populateSack(which=repos) File "/usr/lib/python2.4/site-packages/yum/repos.py", line 200, in populateSack sack.populate(repo, with, callback, cacheonly) File "/usr/lib/python2.4/site-packages/yum/yumRepo.py", line 91, in populate dobj = repo.cacheHandler.getPrimary(xml, csum) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 100, in getPrimary return self._getbase(location, checksum, 'primary') File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 86, in _getbase (db, dbchecksum) = self.getDatabase(location, metadatatype) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 82, in getDatabase db = self.makeSqliteCacheFile(filename,cachetype) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 245, in makeSqliteCacheFile self.createTablesPrimary(db) File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 165, in createTablesPrimary cur.execute(q) File "/usr/lib/python2.4/site-packages/sqlite/main.py", line 244, in execute self.rs = self.con.db.execute(SQL) _sqlite.DatabaseError: near "release": syntax error Any help? Thank you.

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• How to ask memcached auth connection by sasl and pam?

  - by user199216

  I use memcached in a untrust network, so I try to use sasl and pam to auth connection to memcached. I installed sasl and pam module, compiled and installed memcached with sasl enabled. Also I created db and table for pam user. I run: $ sudo testsaslauthd -u tester -p abc123 -s /etc/pam.d/memcached 0: OK "Success." where the tester and abc123 is the authed user in db, which I inserted. But my python script cannot be authed, always authentication failed returned. It seems it dose not use pam to authentication, still use sasldb, because when I add user by: $ sudo saslpasswd2 -a memcached -c tester and input password: abc123, It can passed. Python script: client = bmemcached.Client(('localhost:11211'), 'tester', 'abc123') and error: bmemcached.exceptions.MemcachedException: Code: 32 Message: Auth failure. memcached log: authenticated() in cmd 0x21 is true mech: ``PLAIN'' with 14 bytes of data SASL (severity 2): Password verification failed sasl result code: -20 Unknown sasl response: -20 >30 Writing an error: Auth failure. >30 Writing bin response: no auth log found in: /var/log/auth.log Configurations: vi /etc/default/saslauthd MECHANISMS="pam" vi /etc/pam.d/memcached auth sufficient pam_mysql.so user=sasl passwd=abc123 host=localhost db=sasldb table=sasl_user usercolumn=user_name passwdcolumn=password crypt=0 sqllog=1 verbose=1 account required pam_mysql.so user=sasl passwd=abc123 host=localhost db=sasldb table=sasl_user usercolumn=user_name passwdcolumn=password crypt=0 sqllog=1 verbose=1 vi /etc/sasl2/memcached.conf pwcheck_method: saslauthd Do I make my question clear, english is not my native language, sorry! Any tips will be thankful!

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• BAT file will not run from Task Scheduler but will from Command Line

  - by wtaylor

  I'm trying to run a BAT script from Task Scheduler in Windows 2008 R2 and it runs for 3 seconds and then stops. It says it successfully completes but I know it doesn't. I can run this script from the command line directly, and it runs just fine. The bat file I'm running actually deletes files older than 7 days using "forfiles" then I'm mapping a network drive, moving the files across the network using robocopy, and then closing the network connection. I have taken the network and copy options out of the file and it still does the same thing. Here is how my file looks: rem This will delete the files from BBLEARN_stats forfiles -p "E:\BB_Maintenance_Data\DB_Backups\BBLEARN_stats" -m *.* -d -17 -c "cmd /c del @file" rem This will delete the files from BBLEARN_cms_doc forfiles -p "E:\BB_Maintenance_Data\DB_Backups\BBLEARN_cms_doc" -m *.* -d -14 -c "cmd /c del @path" rem This will delete the files from BBLEARN_admin forfiles -p "E:\BB_Maintenance_Data\DB_Backups\BBLEARN_admin" -m *.* -d -10 -c "cmd /c del @path" rem This will delete the files from BBLEARN_cms forfiles -p "E:\BB_Maintenance_Data\DB_Backups\BBLEARN_cms" -m *.* -d -10 -c "cmd /c del @path" rem This will delete the files from attendance_bb forfiles -p "E:\BB_Maintenance_Data\DB_Backups\attendance_bb" -m *.* -d -10 -c "cmd /c del @path" rem This will delete the files from BBLearn forfiles -p "E:\BB_Maintenance_Data\DB_Backups\BBLEARN" -m *.* -d -18 -c "cmd /c del @path" rem This will delete the files from Logs forfiles -p "E:\BB_Maintenance_Data\logs" -m *.* -d -10 -c "cmd /c del @path" NET USE Z: \\10.20.102.225\coursebackups\BB_DB_Backups /user:cie oly2008 ROBOCOPY E:\BB_Maintenance_Data Z: /e /XO /FFT /PURGE /NP /LOG:BB_DB_Backups.txt openfiles /disconnect /id * NET USE Z: /delete /y This is happening on 2 servers when trying to run commands from inside a BAT file. The other server is giving an error if (0xFFFFFFFF) but that file is running a CALL C:\dir\dir\file.bat -options and I've used commands like that before in Server 2003. Here is the file for this file: call C:\blackboard\apps\content-exchange\bin\batch_ImportExport.bat -f backup_batch_file.txt -l 1 -t archive NET USE Z: \\10.20.102.225\coursebackups\BB_Course_Backups /user:cie oly2008 ROBOCOPY E:\ Z: /move /e /LOG+:BB_Move_Course_Backups.txt openfiles /disconnect /id * NET USE Z: /delete /y Any help would be GREAT. Thanks

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• Error 2013: Lost connection to MySQL server during query when executing CHECK TABLE FOR UPGRADE

  - by Dean Richardson

  I just upgraded Ubuntu from 11.10 to 12.04. My rails app now returns the (passenger) error "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) (Mysql2::Error)". I get a similar error when I try to access mysql at the command line on my Ubuntu server using mysql -u root -p. I have mysql-server 5.5 installed. I've checked and mysql is not running. When I try to restart it, it fails. Here are some key lines from the tail of /var/log/syslog after an attempted restart: dean@dgwjasonfried:/etc/mysql$ tail -f /var/log/syslog Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: Looking for 'mysqlcheck' as: /usr/bin/mysqlcheck Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: /usr/bin/mysqlcheck: Got error: 2013: Lost connection to MySQL server during query when executing 'CHECK TABLE ... FOR UPGRADE' Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: FATAL ERROR: Upgrade failed Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: molex_app_development.assets OK Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: molex_app_development.ecd_types OK Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5124]: Checking for insecure root accounts. Mar 7 08:55:27 dgwjasonfried kernel: [ 7551.769657] init: mysql main process (5064) terminated with status 1 Mar 7 08:55:27 dgwjasonfried kernel: [ 7551.769697] init: mysql respawning too fast, stopped Here is most of /etc/mysql/my.cnf: Remember to edit /etc/mysql/debian.cnf when changing the socket location. [client] port = 3306 socket = /var/run/mysqld/mysqld.sock Here is entries for some specific programs The following values assume you have at least 32M ram This was formally known as [safe_mysqld]. Both versions are currently parsed. [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] Basic Settings user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp lc-messages-dir = /usr/share/mysql skip-external-locking Instead of skip-networking the default is now to listen only on localhost which is more compatible and is not less secure. bind-address = 127.0.0.1 And here are permissions for var/run/mysqld/mysqld.sock: srwxrwxrwx 1 mysql mysql 0 Mar 7 09:18 mysqld.sock I'd be grateful for any suggestions the community might have. I reviewed the related questions here and attempted some of the fixes offered but to no avail. Thanks! Dean Richardson Update: Thanks to quanta's suggestion, I looked at the /var/log/mysql/error.log file. I found error messages relating to pointers, fatal signals, and more stuff that I really couldn't make much sense of. I also found mysql man page references, however. One suggested that I try starting mysqld with the --innodb_force_recovery=# option, then attempt to dump (or drop) the offending/corrupted database or table. I worked through the escalating option levels one-by-one (innodb_force_recovery=1, innodb_force_recovery=2, etc.) This allowed me to successfully run mysql -u root -p from the command line and execute several commands. I was able to run queries on my production database, but any attempt to query, dump, or even drop my development database raised an error and led to me losing the connection to mysql. So I've made progress, but until I'm somehow able to drop or repair my development db I'm still unable to get my app to load. Any further advice or suggestions? Thanks! Dean Update: Right after running sudo mysqld --innodb_force_recover=1 from the command line, the error.log contains this: Right after retrying sudo mysqld --innodb_force_recover=1, The error.log file shows this: 130308 4:55:39 [Note] Plugin 'FEDERATED' is disabled. 130308 4:55:39 InnoDB: The InnoDB memory heap is disabled 130308 4:55:39 InnoDB: Mutexes and rw_locks use GCC atomic builtins 130308 4:55:39 InnoDB: Compressed tables use zlib 1.2.3.4 130308 4:55:39 InnoDB: Initializing buffer pool, size = 128.0M 130308 4:55:39 InnoDB: Completed initialization of buffer pool 130308 4:55:39 InnoDB: highest supported file format is Barracuda. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 130308 4:55:39 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 130308 4:55:40 InnoDB: Waiting for the background threads to start 130308 4:55:41 InnoDB: 1.1.8 started; log sequence number 10259220 130308 4:55:41 InnoDB: !!! innodb_force_recovery is set to 1 !!! 130308 4:55:41 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 130308 4:55:41 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 130308 4:55:41 [Note] Server socket created on IP: '127.0.0.1'. 130308 4:55:41 [Note] Event Scheduler: Loaded 0 events 130308 4:55:41 [Note] mysqld: ready for connections. Version: '5.5.29-0ubuntu0.12.04.2' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) Then after mysql -u root -p and mysql> drop database molex_app_development; ERROR 2013 (HY000): Lost connection to MySQL server during query mysql> the error.log contains: dean@dgwjasonfried:/var/log/mysql$ tail -f error.log /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f6a3ff9ecbd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (7f6a1c004bd8): is an invalid pointer Connection ID (thread ID): 1 Status: NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. 130308 4:55:39 [Note] Plugin 'FEDERATED' is disabled. 130308 4:55:39 InnoDB: The InnoDB memory heap is disabled 130308 4:55:39 InnoDB: Mutexes and rw_locks use GCC atomic builtins 130308 4:55:39 InnoDB: Compressed tables use zlib 1.2.3.4 130308 4:55:39 InnoDB: Initializing buffer pool, size = 128.0M 130308 4:55:39 InnoDB: Completed initialization of buffer pool 130308 4:55:39 InnoDB: highest supported file format is Barracuda. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 130308 4:55:39 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 130308 4:55:40 InnoDB: Waiting for the background threads to start 130308 4:55:41 InnoDB: 1.1.8 started; log sequence number 10259220 130308 4:55:41 InnoDB: !!! innodb_force_recovery is set to 1 !!! 130308 4:55:41 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 130308 4:55:41 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 130308 4:55:41 [Note] Server socket created on IP: '127.0.0.1'. 130308 4:55:41 [Note] Event Scheduler: Loaded 0 events 130308 4:55:41 [Note] mysqld: ready for connections. Version: '5.5.29-0ubuntu0.12.04.2' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) 130308 4:58:23 [ERROR] Incorrect definition of table mysql.proc: expected column 'comment' at position 15 to have type text, found type char(64). 130308 4:58:23 InnoDB: Assertion failure in thread 140168992810752 in file fsp0fsp.c line 3639 InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html InnoDB: about forcing recovery. 10:58:23 UTC - mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=1 max_threads=151 thread_count=1 connection_count=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 346681 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x7f7ba4f6c2f0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 7f7ba3065e60 thread_stack 0x30000 mysqld(my_print_stacktrace+0x29)[0x7f7ba3609039] mysqld(handle_fatal_signal+0x483)[0x7f7ba34cf9c3] /lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0)[0x7f7ba2220cb0] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35)[0x7f7ba188c425] /lib/x86_64-linux-gnu/libc.so.6(abort+0x17b)[0x7f7ba188fb8b] mysqld(+0x65e0fc)[0x7f7ba37160fc] mysqld(+0x602be6)[0x7f7ba36babe6] mysqld(+0x635006)[0x7f7ba36ed006] mysqld(+0x5d7072)[0x7f7ba368f072] mysqld(+0x5d7b9c)[0x7f7ba368fb9c] mysqld(+0x6a3348)[0x7f7ba375b348] mysqld(+0x6a3887)[0x7f7ba375b887] mysqld(+0x5c6a86)[0x7f7ba367ea86] mysqld(+0x5ae3a7)[0x7f7ba36663a7] mysqld(_Z15ha_delete_tableP3THDP10handlertonPKcS4_S4_b+0x16d)[0x7f7ba34d3ffd] mysqld(_Z23mysql_rm_table_no_locksP3THDP10TABLE_LISTbbbb+0x568)[0x7f7ba3417f78] mysqld(_Z11mysql_rm_dbP3THDPcbb+0x8aa)[0x7f7ba339780a] mysqld(_Z21mysql_execute_commandP3THD+0x394c)[0x7f7ba33b886c] mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x10f)[0x7f7ba33bb28f] mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x1380)[0x7f7ba33bc6e0] mysqld(_Z24do_handle_one_connectionP3THD+0x1bd)[0x7f7ba346119d] mysqld(handle_one_connection+0x50)[0x7f7ba3461200] /lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f7ba2218e9a] /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f7ba1949cbd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (7f7b7c004b60): is an invalid pointer Connection ID (thread ID): 1 Status: NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. --Dean

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• Gnome-Applets Package Causing Gnome to Segfault

  - by FranticPedantic

  When I boot ubuntu I get a bunch of windows saying "The panel encountered a problem while loading: OAFIID:GNOME_ShowDesktopApplet", with a bunch of others(5) besides ShowDesktopApplet. I am able to launch a terminal, and I do have the taskbar at the top, although the bar at the bottom that holds the windows is blank, so when I minimize a window it disappears. Furthermore, when I try to launch most applications (firefox for example) it segfaults. I have googled the error but it seems to be common but general issue, and a lot of the solutions that worked for others didn't work for me. I tried deleting the gconf, gnome, and gnome2 folders in my home directory. I tried deleting a bunch of the gnome folders (although I might have done this wrong, I was confused as to which ones). I have also tried to use apt-get and dpkg to re-install ubuntu-desktop and gnome-applets. However, when I try apt-get install ubuntu-desktop I get errors regarding /var/cache/apt/archives/gnome-applets_2.28.0-0ubunt2_amd64.deb I tried dpkg --configure -a and interestingly I get Package gnome-applets is not installed. When I try to use apt-get to install it, that same pesky problem pops up error processing /var/cache/apt/archives/gnome-applets_2.28.0-0ubunt2_amd64.deb (--unpack) subprocess new post-removal script returned error exist status 245 sub process /usr/bin/dpkg returned an error code(1) This file has been popping up with regards to a lot of the solutions suggested I see. Any ideas?

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• Squid external_acl_type Cannot run process

  - by Alex Rezistorman

  I want to restrict uploading for group of the users via squid. So I've choosen to use external_acl_type but after reload of the squid it returns error. WARNING: Cannot run '/usr/local/etc/squid/lists/newupload.sh' process. Permissions of newupload.sh and squid are the same. newupload.sh is executive. How can I solve this problem? Thnx in advance. newupload.sh #!/bin/sh while read line; do set -- $line length=$1 limit=$2 if [ -z "$length" ] || [ "$length" -le "$2" ]; then echo OK else echo ERR fi done Strings from squid.conf external_acl_type request_body protocol=2.5 %{Content-Lenght} /usr/local/etc/squid/lists/newupload.sh acl request_max_size external request_body 5000 http_access allow users request_max_size Squid version squid -v Squid Cache: Version 3.2.13 configure options: '--with-default-user=squid' '--bindir=/usr/local/sbin' '--sbindir=/usr/local/sbin' '--datadir=/usr/local/etc/squid' '--libexecdir=/usr/local/libexec/squid' '--localstatedir=/var' '--sysconfdir=/usr/local/etc/squid' '--with-logdir=/var/log/squid' '--with-pidfile=/var/run/squid/squid.pid' '--with-swapdir=/var/squid/cache/squid' '--enable-auth' '--enable-build-info' '--enable-loadable-modules' '--enable-removal-policies=lru heap' '--disable-epoll' '--disable-linux-netfilter' '--disable-linux-tproxy' '--disable-translation' '--enable-auth-basic=PAM' '--disable-auth-digest' '--enable-external-acl-helpers= kerberos_ldap_group' '--enable-auth-negotiate=kerberos' '--disable-auth-ntlm' '--without-pthreads' '--enable-storeio=diskd ufs' '--enable-disk-io=AIO Blocking DiskDaemon IpcIo Mmapped' '--enable-log-daemon-helpers=file' '--disable-url-rewrite-helpers' '--disable-ipv6' '--disable-snmp' '--disable-htcp' '--disable-forw-via-db' '--disable-cache-digests' '--disable-wccp' '--disable-wccpv2' '--disable-ident-lookups' '--disable-eui' '--disable-ipfw-transparent' '--disable-pf-transparent' '--disable-ipf-transparent' '--disable-follow-x-forwarded-for' '--disable-ecap' '--disable-icap-client' '--disable-esi' '--enable-kqueue' '--with-large-files' '--enable-cachemgr-hostname=proxy.adir.vbr.ua' '--with-filedescriptors=131072' '--disable-auto-locale' '--prefix=/usr/local' '--mandir=/usr/local/man' '--infodir=/usr/local/info/' '--build=amd64-portbld-freebsd8.3' 'build_alias=amd64-portbld-freebsd8.3' 'CC=cc' 'CFLAGS=-O2 -fno-strict-aliasing -frename-registers -fweb -fforce-addr -fmerge-all-constants -maccumulate-outgoing-args -pipe -march=core2 -I/usr/local/include -DLDAP_DEPRECATED' 'LDFLAGS= -L/usr/local/lib' 'CPPFLAGS=-I/usr/local/include' 'CXX=c++' 'CXXFLAGS=-O2 -fno-strict-aliasing -frename-registers -fweb -fforce-addr -fmerge-all-constants -maccumulate-outgoing-args -pipe -march=core2 -I/usr/local/include -DLDAP_DEPRECATED' 'CPP=cpp' --enable-ltdl-convenience Related post: Restrict uploading for groups in squid http://squid-web-proxy-cache.1019090.n4.nabble.com/flexible-managing-of-request-body-max-size-with-squid-2-5-STABLE12-td1022653.html

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• CopSSH SFTP -- limit users access to their home directory only

  - by bradvido

  Let me preface this by saying I've read and followed these instructions at the FAQ many times: http://www.itefix.no/i2/node/37 It does not do what the title claims... It allows every user access to every other user's home directory, as well as access to all subfolders below the copssh installation path. I'm only using this for SFTP access and I need my users to be sandboxed into only their home directory. If you know a fool-proof way to lock users down so they can see only their home directory and its subfolders, stop reading now and reply with the solution. The details: Here is exactly what i tried as I followed the FAQ. My copSSH installation directory is: C:\Program Files\CopSSH net localgroup sftp_users /ADD **Create a user group to hold all my SFTP users cacls c:\ /c /e /t /d sftp_users **For that group, deny access at the top level and all levels below cacls "C:\Program Files\CopSSH" /c /e /t /r sftp_users **Allow my user group access to the copSSH installation directory and its subdirectories For each sftp user, I create a new windows user account, then I: net localgroup sftp_users sftp_user_1 /add **Add my user to the group I've created Open the activate user wizard for CopSSH, choosing the user, "/bin/sftponly" and Remove copssh home directory if it exists **Remains checked Create keys for public key authentication **Remains checked Create link to user's real home directory **Remains checked This works, however, every user has access to every other user's home directory as well as the CopSSH root directory.... So I tried denying access for all users to the user home directory: cacls "C:\Program Files\CopSSH\home" /c /e /t /d sftp_users **Deny access for users to the user home directory Then I tried adding permissions on a user-by-user basis for each users home\username folder. However,these permission were not allowed by windows because of the above deny rule i created at the home directory was being inherited and over-riding my allow rule. The next step for me would be to remove the deny rule at the home directory and for each user folder, add a deny rule for every user it doesn't belong to, and add an allow rule for the one user it does belong to. However, as my user list gets long, this will become very cumbersome. Thanks for the help!

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• Booting the server redis no errors

  - by Tylër

  The redis but usually begins with the following errors: tyler @ tyler-vortex: ~ / pens $. / src / redis-server [3690] Dec 01 10:56:05 # Warning: the specified config file, using the default config. In order to Specify a config file use 'redis-server / path / to / redis.conf' [3690] Dec 01 10:56:05 # Unable to set the max number of files limit to 10032 (Operation not permitted), setting the max configuration to 992 clients. Others errors founds: tyler@tyler-vortex:~/redis$ sudo ./utils/install_server.sh Welcome to the redis service installer This script will help you easily set up a running redis server Please select the redis port for this instance: [6379] Selecting default: 6379 Please select the redis config file name [/etc/redis/6379.conf] Selected default - /etc/redis/6379.conf Please select the redis log file name [/var/log/redis_6379.log] Selected default - /var/log/redis_6379.log Please select the data directory for this instance [/var/lib/redis/6379] Selected default - /var/lib/redis/6379 Please select the redis executable path [/usr/local/bin/redis-server] cat: ./redis.conf.tpl: Arquivo ou diretório não encontrado cat: ./redis_init_script.tpl: Arquivo ou diretório não encontrado ERROR: Could not write init script to /tmp/6379.conf. Aborting! Furthermore, I would like to know how to configure it not to consume so much RAM. Follow the memory configuration of our website, but the settings of "vm-*" does not exist in the file redis.conf. http://redis.io/topics/virtual-memory You have to create them? * Edit: I installed. After that, I believe that I no longer have access via. / Src / redis-server, because it happens: tyler@tyler-vortex:~$ cd redis/ tyler@tyler-vortex:~/redis$ ./src/redis-server [2616] 01 Dec 22:29:30 # Warning: no config file specified, using the default config. In order to specify a config file use 'redis-server /path/to/redis.conf' [2616] 01 Dec 22:29:30 # Opening port 6379: bind: Address already in use tyler@tyler-vortex:~/redis$ But there's another detail, the redistribution starts with the system .. redis 127.0.0.1:6379> exit tyler@tyler-vortex:~/redis$ ./src/redis-cli redis 127.0.0.1:6379> exit ... but how can I now see that the communication had before you installed from. sh?

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• OpenSSL support for Ruby: "Cipher is not a module (TypeError)"

  - by smotchkkiss

  The Problem Our systems admin needed to upgrade the packages on our CentOS 5.4 dev server to match the packages on our production server. The upgrade affected ruby and/or openssl. We run a Ruby on Rails issue tracking system called Redmine that is deployed with Passenger on Apache. Everything worked before the server update, but when trying to access the ticket system now, I get the following error: Error message: Cipher is not a module Exception class: TypeError Application root: /home/dev/rails/redmine-0.8.7 I've been trying so hard to fix this problem but I can't seem to beat it. I have tried following this guide: http://iamclovin.posterous.com/how-to-solve-the-cipher-is-not-a-module-error When I try require 'openssl' in IRB, I do see a true return value. However, I'm still seeing the Cipher.rb is not a module TypeError when accessing the ticket system. Possibly (probably) related: I've tried updating Passenger, but when I try passenger-install-apache2-module I see: Checking for required software... * GNU C++ compiler... found at /usr/bin/g++ * Ruby development headers... found * OpenSSL support for Ruby... /usr/lib/ruby/1.8/openssl/cipher.rb:22: Cipher is not a module (TypeError) Any help?

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• ASP.Net application can no longer write to DB after having run out of disk space

  - by remi.despres-smyth

  I'm a software developer troubleshooting a sticky problem on a client's production server, and I've got a bit of a problem. They have a virtual server running Windows Server 2008, SQL Server 2008 R1 and IIS7. It was provisioned with two partitions: one that has the OS (~15 Gig), and the other has IIS' web sites (another ~15 Gig). My application that's running this server has been running perfectly well, up until about an hour ago, when it started throwing System.IO.IOException: "There is not enough space on disk". As soon as my client notified me, I cleared up some space on C:\, emptied the recycle bin, and restarted SQL Server and IIS. The web server came back up and the application was running, but it no longer saves information to the database. No error message is coming up, the application can get information out of the DB, but it can no longer save data back to it. I rebooted the server, to no effect. I spoke with a sys admin at the hosting company, and he says SQL Server appears to have come up fine and the database is not in read-only mode. I confirmed that, as I can add records to tables from SQL Server Management Studio. I looked at the event log immediately after trying to save an edited record in the app, and no new events appear in there that I can tell. I'm assuming this is related to having run out of space, as it was all working fine prior to that, but I'm at a bit of a loss as to what exactly needs a kick in the pants to get going again. Can anyone help me out? What the heck is going on here?

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• iptables -P FORWARD DROP makes port forwarding slow

  - by Isaac

  I have three computers, linked like this: box1 (ubuntu) box2 router & gateway (debian) box3 (opensuse) [10.0.1.1] ---- [10.0.1.18,10.0.2.18,10.0.3.18] ---- [10.0.3.15] | box4, www [10.0.2.1] Among other things I want box2 to do nat and port forwarding, so that I can do ssh -p 2223 box2 to reach box3. For this I have the following iptables script: #!/bin/bash # flush iptables -F INPUT iptables -F FORWARD iptables -F OUTPUT iptables -t nat -F PREROUTING iptables -t nat -F POSTROUTING iptables -t nat -F OUTPUT # default default_action=DROP for chain in INPUT OUTPUT;do iptables -P $chain $default_action done iptables -P FORWARD DROP # allow ssh to local computer allowed_ssh_clients="10.0.1.1 10.0.3.15" for ip in $allowed_ssh_clients;do iptables -A OUTPUT -p tcp --sport 22 -d $ip -j ACCEPT iptables -A INPUT -p tcp --dport 22 -s $ip -j ACCEPT done # allow DNS iptables -A OUTPUT -p udp --dport 53 -m state \ --state NEW,ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -p udp --sport 53 -m state \ --state ESTABLISHED,RELATED -j ACCEPT # allow HTTP & HTTPS iptables -A OUTPUT -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -A INPUT -p tcp -m multiport --sports 80,443 -j ACCEPT # # ROUTING # # allow routing echo 1 >/proc/sys/net/ipv4/ip_forward # nat iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE # http iptables -A FORWARD -p tcp --dport 80 -j ACCEPT iptables -A FORWARD -p tcp --sport 80 -j ACCEPT # ssh redirect iptables -t nat -A PREROUTING -p tcp -i eth1 --dport 2223 -j DNAT \ --to-destination 10.0.3.15:22 iptables -A FORWARD -p tcp --sport 22 -j ACCEPT iptables -A FORWARD -p tcp --dport 22 -j ACCEPT iptables -A FORWARD -p tcp --sport 1024:65535 -j ACCEPT iptables -A FORWARD -p tcp --dport 1024:65535 -j ACCEPT iptables -I FORWARD -j LOG --log-prefix "iptables denied: " While this works, it takes about 10 seconds to get a password promt from my ssh command. Afterwards, the connection is as responsive as could be. If I change the default policy for my FORWARD chain to "ACCEPT", then the password promt is there imediatly. I have tried analysing the logs, but I can not spot a difference in the logs for ACCEPT/DROP in my FORWARD chain. Also I have tried allowing all the unprivileged ports, as box1 uses thoses for doing ssh to box2. Any hints? (If the whole setup seems strange to you - the point of the exercise is to understand iptables ;))

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• Error In centos6 while compiling java classes,in tomcat6

  - by AJIT RANA

  I am newbie to Linux and Centos6. I bought server just now and want to deploy my web app in it. I am getting error while I am compiling my servlet classes. It showing me bash: javac: command not found when I try to compile my classes. But when I checked my class in '/usr/lib/jvm/java-1.6.0/bin .'I found my javac there. Then I checked javac with the help of command ./javac i got ERROR.. [root:ip_address.com]# ./javac There is insufficient memory for the Java Runtime Environment to continue. pthread_getattr_np Error occurred during initialization of VM java.lang.OutOfMemoryError: unable to create new native thread I followed the step as shown in "" Java outofmemoryerror when creating <100 threads "" which shows me command to get limits.. '[root:ipaddress.com]# ulimit -a core file size (blocks, -c) unlimited data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 278528 max locked memory (kbytes, -l) 32 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 1024 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited' [root:ipaddress.com]# top bash: top: command not found link :- http://stackoverflow.com/q/12913857/1746764

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• ERROR: Can't find the archive-keyring

  - by 23tux

  I'm trying to upgrade my Debian Lenny to Squeeze. I've replaced the word lenny to squeeze in sources.list and ran apt-get clean apt-get update apt-get dist-upgrade But after a while, I get this error Preconfiguring packages ... Setting up debian-archive-keyring (2010.08.28) ... ERROR: Can't find the archive-keyring Is the ubuntu-keyring package installed? dpkg: error processing debian-archive-keyring (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: debian-archive-keyring E: Sub-process /usr/bin/dpkg returned an error code (1) So I tried to install apt-get -f install debian-archive-keyring and I got the same error. Then I tried to install apt-get -f install ubuntu-keyring and I got this error: Reading package lists... Done Building dependency tree Reading state information... Done Package ubuntu-keyring is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package ubuntu-keyring has no installation candidate Maybe I have the wrong sources in my sources.list: deb ftp://mirror.hetzner.de/debian/packages squeeze main contrib non-free deb ftp://mirror.hetzner.de/debian/security squeeze/updates main contrib non-free deb http://ftp.de.debian.org/debian/ squeeze main non-free contrib deb-src http://ftp.de.debian.org/debian/ squeeze main non-free contrib deb http://security.debian.org/ squeeze/updates main contrib non-free deb-src http://security.debian.org/ squeeze/updates main contrib non-free Hope anyone can help me, thx, tux

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• scp error: "Permission denied (publickey). lost connection"

  - by Winston C. Yang

  I tried to scp an svn dump to savannah, but I got the following error at the end. Permission denied (publickey). lost connection The scp command and verbose output are below. Any ideas? [wcyang@be2-wireless-pittnet-60-37 ~]$ scp -v diffcolor-dump.bz2 [email protected]:/srv/download/diffcolor/ Executing: program /usr/bin/ssh host dl.sv.gnu.org, user wcyang, command scp -v -t /srv/download/diffcolor/ OpenSSH_5.2p1, OpenSSL 0.9.7l 28 Sep 2006 debug1: Reading configuration data /etc/ssh_config debug1: Connecting to dl.sv.gnu.org [140.186.70.73] port 22. debug1: Connection established. debug1: identity file /Users/wcyang/.ssh/identity type -1 debug1: identity file /Users/wcyang/.ssh/id_rsa type 1 debug1: identity file /Users/wcyang/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5 debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.2 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'dl.sv.gnu.org' is known and matches the RSA host key. debug1: Found key in /Users/wcyang/.ssh/known_hosts:1 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Trying private key: /Users/wcyang/.ssh/identity debug1: Offering public key: /Users/wcyang/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key: /Users/wcyang/.ssh/id_dsa debug1: No more authentication methods to try. Permission denied (publickey). lost connection

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• mysqld crashes on any statement

  - by ??iu

  I restarted my slave to change configuration settings to skip reverse hostname lookup on connecting and to enable the slow query log. I edited /etc/my.cnf making only these changes, then restarted mysqld with /etc/init.d/mysql restart All appeared to be well but when I connect to msyqld remotely or locally though it connects okay a slight problem is that mysqld crashes whenever you try to issue any kind of statement. The client looks like: Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.1.31-1ubuntu2-log Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql> show tables; ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... Connection id: 1 Current database: mydb ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... ERROR 2003 (HY000): Can't connect to MySQL server on 'xx.xx.xx.xx' (61) ERROR: Can't connect to the server ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... ERROR 2003 (HY000): Can't connect to MySQL server on 'xx.xx.xx.xx' (61) ERROR: Can't connect to the server ERROR 2006 (HY000): MySQL server has gone away Bus error The mysqld error log looks like: 101210 16:35:51 InnoDB: Error: (1500) Couldn't read the MAX(job_id) autoinc value from the index (PRIMARY). 101210 16:35:51 InnoDB: Assertion failure in thread 140245598570832 in file handler/ha_innodb.cc line 2595 InnoDB: Failing assertion: error == DB_SUCCESS InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-recovery.html InnoDB: about forcing recovery. 101210 16:35:51 - mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=3 max_threads=600 threads_connected=3 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1328077 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x18209220 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f8d791580d0 thread_stack 0x20000 /usr/sbin/mysqld(my_print_stacktrace+0x29) [0x8b4f89] /usr/sbin/mysqld(handle_segfault+0x383) [0x5f8f03] /lib/libpthread.so.0 [0x7f902a76a080] /lib/libc.so.6(gsignal+0x35) [0x7f90291f8fb5] /lib/libc.so.6(abort+0x183) [0x7f90291fabc3] /usr/sbin/mysqld(ha_innobase::open(char const*, int, unsigned int)+0x41b) [0x781f4b] /usr/sbin/mysqld(handler::ha_open(st_table*, char const*, int, int)+0x3f) [0x6db00f] /usr/sbin/mysqld(open_table_from_share(THD*, st_table_share*, char const*, unsigned int, unsigned int, unsigned int, st_table*, bool)+0x57a) [0x64760a] /usr/sbin/mysqld [0x63f281] /usr/sbin/mysqld(open_table(THD*, TABLE_LIST*, st_mem_root*, bool*, unsigned int)+0x626) [0x641e16] /usr/sbin/mysqld(open_tables(THD*, TABLE_LIST**, unsigned int*, unsigned int)+0x5db) [0x6429cb] /usr/sbin/mysqld(open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int)+0x1e) [0x642b0e] /usr/sbin/mysqld(mysqld_list_fields(THD*, TABLE_LIST*, char const*)+0x22) [0x70b292] /usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x146d) [0x60dc1d] /usr/sbin/mysqld(do_command(THD*)+0xe8) [0x60dda8] /usr/sbin/mysqld(handle_one_connection+0x226) [0x601426] /lib/libpthread.so.0 [0x7f902a7623ba] /lib/libc.so.6(clone+0x6d) [0x7f90292abfcd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at 0x18213c70 = thd->thread_id=3 thd->killed=NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. 101210 16:35:51 mysqld_safe Number of processes running now: 0 101210 16:35:51 mysqld_safe mysqld restarted InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 101210 16:35:54 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 101210 16:35:56 InnoDB: Started; log sequence number 456 143528628 101210 16:35:56 [Warning] 'user' entry 'root@PSDB102' ignored in --skip-name-resolve mode. 101210 16:35:56 [Warning] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a slave and has his hostname changed!! Please use '--relay-log=mysqld-relay-bin' to avoid this problem. 101210 16:35:56 [Note] Event Scheduler: Loaded 0 events 101210 16:35:56 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.1.31-1ubuntu2-log' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) 101210 16:36:11 InnoDB: Error: (1500) Couldn't read the MAX(job_id) autoinc value from the index (PRIMARY). 101210 16:36:11 InnoDB: Assertion failure in thread 139955151501648 in file handler/ha_innodb.cc line 2595 InnoDB: Failing assertion: error == DB_SUCCESS InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-recovery.html InnoDB: about forcing recovery. 101210 16:36:11 - mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=1 max_threads=600 threads_connected=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1328077 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x18588720 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f49d916f0d0 thread_stack 0x20000 /usr/sbin/mysqld(my_print_stacktrace+0x29) [0x8b4f89] /usr/sbin/mysqld(handle_segfault+0x383) [0x5f8f03] /lib/libpthread.so.0 [0x7f4c8a73f080] /lib/libc.so.6(gsignal+0x35) [0x7f4c891cdfb5] /lib/libc.so.6(abort+0x183) [0x7f4c891cfbc3] /usr/sbin/mysqld(ha_innobase::open(char const*, int, unsigned int)+0x41b) [0x781f4b] /usr/sbin/mysqld(handler::ha_open(st_table*, char const*, int, int)+0x3f) [0x6db00f] /usr/sbin/mysqld(open_table_from_share(THD*, st_table_share*, char const*, unsigned int, unsigned int, unsigned int, st_table*, bool)+0x57a) [0x64760a] /usr/sbin/mysqld [0x63f281] /usr/sbin/mysqld(open_table(THD*, TABLE_LIST*, st_mem_root*, bool*, unsigned int)+0x626) [0x641e16] /usr/sbin/mysqld(open_tables(THD*, TABLE_LIST**, unsigned int*, unsigned int)+0x5db) [0x6429cb] /usr/sbin/mysqld(open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int)+0x1e) [0x642b0e] /usr/sbin/mysqld(mysqld_list_fields(THD*, TABLE_LIST*, char const*)+0x22) [0x70b292] /usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x146d) [0x60dc1d] /usr/sbin/mysqld(do_command(THD*)+0xe8) [0x60dda8] /usr/sbin/mysqld(handle_one_connection+0x226) [0x601426] /lib/libpthread.so.0 [0x7f4c8a7373ba] /lib/libc.so.6(clone+0x6d) [0x7f4c89280fcd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at 0x18599950 = thd->thread_id=1 thd->killed=NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. 101210 16:36:11 mysqld_safe Number of processes running now: 0 101210 16:36:11 mysqld_safe mysqld restarted The config is [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] innodb_file_per_table innodb_buffer_pool_size=10G innodb_log_buffer_size=4M innodb_flush_log_at_trx_commit=2 innodb_thread_concurrency=8 skip-slave-start server-id=3 # # * IMPORTANT # If you make changes to these settings and your system uses apparmor, you may # also need to also adjust /etc/apparmor.d/usr.sbin.mysqld. # user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /DB2/mysql tmpdir = /tmp skip-external-locking # # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. #bind-address = 127.0.0.1 # # * Fine Tuning # key_buffer = 16M max_allowed_packet = 16M thread_stack = 128K thread_cache_size = 8 # This replaces the startup script and checks MyISAM tables if needed # the first time they are touched myisam-recover = BACKUP max_connections = 600 #table_cache = 64 #thread_concurrency = 10 # # * Query Cache Configuration # query_cache_limit = 1M query_cache_size = 32M # skip-federated slow-query-log skip-name-resolve Update: I followed the instructions as per http://dev.mysql.com/doc/refman/5.1/en/forcing-innodb-recovery.html and set innodb_force_recovery = 4 and the logs are showing a different error but the behavior is still the same: 101210 19:14:15 mysqld_safe mysqld restarted 101210 19:14:19 InnoDB: Started; log sequence number 456 143528628 InnoDB: !!! innodb_force_recovery is set to 4 !!! 101210 19:14:19 [Warning] 'user' entry 'root@PSDB102' ignored in --skip-name-resolve mode. 101210 19:14:19 [Warning] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a slave and has his hostname changed!! Please use '--relay-log=mysqld-relay-bin' to avoid this problem. 101210 19:14:19 [Note] Event Scheduler: Loaded 0 events 101210 19:14:19 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.1.31-1ubuntu2-log' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) 101210 19:14:32 InnoDB: error: space object of table mydb/__twitter_friend, InnoDB: space id 1602 did not exist in memory. Retrying an open. 101210 19:14:32 InnoDB: error: space object of table mydb/access_request, InnoDB: space id 1318 did not exist in memory. Retrying an open. 101210 19:14:32 InnoDB: error: space object of table mydb/activity, InnoDB: space id 1595 did not exist in memory. Retrying an open. 101210 19:14:32 - mysqld got signal 11 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=1 max_threads=600 threads_connected=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1328077 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x1753c070 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f7a0b5800d0 thread_stack 0x20000 /usr/sbin/mysqld(my_print_stacktrace+0x29) [0x8b4f89] /usr/sbin/mysqld(handle_segfault+0x383) [0x5f8f03] /lib/libpthread.so.0 [0x7f7cbc350080] /usr/sbin/mysqld(ha_innobase::innobase_get_index(unsigned int)+0x46) [0x77c516] /usr/sbin/mysqld(ha_innobase::innobase_initialize_autoinc()+0x40) [0x77c640] /usr/sbin/mysqld(ha_innobase::open(char const*, int, unsigned int)+0x3f3) [0x781f23] /usr/sbin/mysqld(handler::ha_open(st_table*, char const*, int, int)+0x3f) [0x6db00f] /usr/sbin/mysqld(open_table_from_share(THD*, st_table_share*, char const*, unsigned int, unsigned int, unsigned int, st_table*, bool)+0x57a) [0x64760a] /usr/sbin/mysqld [0x63f281] /usr/sbin/mysqld(open_table(THD*, TABLE_LIST*, st_mem_root*, bool*, unsigned int)+0x626) [0x641e16] /usr/sbin/mysqld(open_tables(THD*, TABLE_LIST**, unsigned int*, unsigned int)+0x5db) [0x6429cb] /usr/sbin/mysqld(open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int)+0x1e) [0x642b0e] /usr/sbin/mysqld(mysqld_list_fields(THD*, TABLE_LIST*, char const*)+0x22) [0x70b292] /usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x146d) [0x60dc1d] /usr/sbin/mysqld(do_command(THD*)+0xe8) [0x60dda8] /usr/sbin/mysqld(handle_one_connection+0x226) [0x601426] /lib/libpthread.so.0 [0x7f7cbc3483ba] /lib/libc.so.6(clone+0x6d) [0x7f7cbae91fcd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd->query at 0x1754d690 = thd->thread_id=1 thd->killed=NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash.

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• Unable to initialize gitosis-init

  - by aunghn

  I was tried to setup git and gitosis for our projects. For the gitosis setup, I'm following this article http://scie.nti.st/2007/11/14/hosting-git-repositories-the-easy-and-secure-way as this is first time using git. I got an issue when I run the gitosis-init. I don't know what happen or how to check. Please help me on what I need to check or do. In fact, I don't even know whether this is a problem as I just started using Linux, git and etc. Reinitialized existing Git repository in /home/git/repositories/gitosis-admin.git/ Reinitialized existing Git repository in /home/git/repositories/gitosis-admin.git/ Traceback (most recent call last): File "/usr/bin/gitosis-init", line 8, in <module> load_entry_point('gitosis==0.2', 'console_scripts', 'gitosis-init')() File "/usr/lib/python2.5/site-packages/gitosis-0.2-py2.5.egg/gitosis/app.py", line 24, in run return app.main() File "/usr/lib/python2.5/site-packages/gitosis-0.2-py2.5.egg/gitosis/app.py", line 38, in main self.handle_args(parser, cfg, options, args) File "/usr/lib/python2.5/site-packages/gitosis-0.2-py2.5.egg/gitosis/init.py", line 140, in handle_args run_hook.post_update(cfg=cfg, git_dir=admin_repository) File "/usr/lib/python2.5/site-packages/gitosis-0.2-py2.5.egg/gitosis/run_hook.py", line 40, in post_update path=os.path.join(generated, 'projects.list'), File "/usr/lib/python2.5/site-packages/gitosis-0.2-py2.5.egg/gitosis/gitweb.py", line 109, in generate_project_list f = file(tmp, 'w') IOError: [Errno 13] Permission denied: '/home/git/gitosis/projects.list.30470.tmp' Thanks in advance.

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• Where to get glib-config for Kubuntu?

  - by Carl Smotricz

  I'm trying to compile Midnight Commander on a KUbuntu 9.10 (Karmic) box with no root access. I've set up a directory under $HOME, downloaded the mc source package and various stuff required for building, such as autotools. I've unpacked the CONTENTS of all those packages into this working directory such that I have the usual ./usr, ./lib, ./etc hierarchy. I manage to get configure through a lot of tests, but I can't seem to fool it into finding glib. checking for glib-2.0... checking for glib-config... no checking for glib12-config... no checking for glib-config... no checking for GLIB - version >= 1.2.6... no *** The glib-config script installed by GLIB could not be found *** If GLIB was installed in PREFIX, make sure PREFIX/bin is in *** your path, or set the GLIB_CONFIG environment variable to the *** full path to glib-config. configure: error: Test for glib failed. GNU Midnight Commander requires glib 1.2.6 or above. My system has glib installed: /lib/libglib-2.0.so.0 /lib/libglib-2.0.so.0.2200.3 ... and I've also downloaded and unpacked the glib package into my working directory: libglib2.0-0_2.22.2-0ubuntu1_i386.deb libglib2.0-dev_2.22.2-0ubuntu1_i386.deb ... but still the elusive glib-config is nowhere to be found. It's not in any debian package for Karmic, either. So I'd appreciate any help getting over this hurdle. Please note, again, that I don't have root, so I can't just merrily apt-get stuff.

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• How to update-grub on a system running overlayroot?

  - by mikepurvis

  We ship boxes configured with overlayroot, using the following overlayroot.conf: overlayroot=device:dev=/dev/sda6,timeout=20,recurse=0 Which produces the following mount configuration: $ mount overlayroot on / type overlayfs (rw,errors=remount-ro) /dev/sda5 on /media/root-ro type ext3 (ro,relatime,errors=continue,user_xattr,acl,barrier=1,data=ordered) /dev/sda6 on /media/root-rw type ext3 (rw,relatime,errors=continue,user_xattr,acl,barrier=1,data=ordered) /dev/sda1 on /boot type ext3 (rw) As you can see, three key physical partitions: sda1 is /boot, sda5 is a read-only "factory" root, and sda6 is a "user" root which can be wiped at any point to restore the machine to its original factory state. Now, the problem arises when update-grub is run for any reason: $ sudo update-grub [sudo] password for administrator: /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?). Understandable, since / is an overlayfs. The contents of /usr/sbin/update-grub are: #!/bin/sh set -e exec grub-mkconfig -o /boot/grub/grub.cfg "$@" With /usr/sbin/grub-mkconfig being the business part of things. But the actual problem is in /usr/sbin/grub-probe, called by grub-mkconfig, and grub-probe is a binary. So my question is, is there a parameter or whatever which can make grub-probe do the right thing in the face of / being an overlayfs? And secondly, is there a way to hack/patch that in so that the update-grub script just does the right thing? Thanks.

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• Sun-JRE on CentOS-4.8 RPM error: post-install scriptlet failed, exit status 5

  - by Emyr

  I have a server with CentOS 4.8 installed. The provided is rubbish, but there's only a few months left, and they're busy being sued by Chase bank, so I doubt I can get CentOS 5. I wiped the server clean using Virtuozzo, and found that the default image is VERY empty. I even had to install yum myself. I've reached the point where I want to install TomCat. I downloaded the Sun JRE as a .rpm.bin file, did chmod a+x and ran it. That produced a .rpm file, which I tried installing: [root@host java]# rpm -Uvh jre-6u20-linux-i586.rpm Preparing... ########################################### [100%] 1:jre ########################################### [100%] Unpacking JAR files... rt.jar... jsse.jar... charsets.jar... localedata.jar... plugin.jar... javaws.jar... deploy.jar... error: %post(jre-1.6.0_20-fcs.i586) scriptlet failed, exit status 5 [root@host java]# rpm -evv jre-6u20-linux-i586.rpm D: opening db environment /var/lib/rpm/Packages joinenv D: opening db index /var/lib/rpm/Packages rdonly mode=0x0 D: locked db index /var/lib/rpm/Packages D: opening db index /var/lib/rpm/Name rdonly mode=0x0 error: package jre-6u20-linux-i586.rpm is not installed D: closed db index /var/lib/rpm/Name D: closed db index /var/lib/rpm/Packages D: closed db environment /var/lib/rpm/Packages [root@host java]# rpm -qi --scripts jre-6u20-linux-i586.rpm package jre-6u20-linux-i586.rpm is not installed [root@host java]# I couldn't find any results on Google for any parts of that error message, and I have very little experience of rpm (I usually use Debian). Is this a broken package, or am I missing something or some setting?

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• run script as another user from a root script with no tty stdin

  - by viktor tron

  Using CentOs, I want to run a script as user 'training' as a system service. I use daemontools to monitor the process, which needs a launcher script that is run as root and has no tty standard in. Below I give my four different attempts which all fail. : #!/bin/bash exec >> /var/log/training_service.log 2>&1 setuidgid training training_command This last line is not good enough since for training_command, we need environment for trqaining user to be set. : su - training -c 'training_command' This looks like it (http://serverfault.com/questions/44400/run-a-shell-script-as-a-different-user) but gives 'standard in must be tty' as su making sure tty is present to potentially accept password. I know I could make this disappear by modifying /etc/sudoers (a la http://superuser.com/questions/119376/bash-su-script-giving-an-error-standard-in-must-be-a-tty) but i am reluctant and unsure of consequences. : runuser - training -c 'training_command' This one gives runuser: cannot set groups: Connection refused. I found no sense or resolution to this error. : ssh -p100 training@localhost 'source $HOME/.bashrc; training_command' This one is more of a joke to show desparation. Even this one fails with Host key verification failed. (the host key IS in known_hosts, etc). Note: all of 2,3,4 work as they should if I run the wrapper script from a root shell. problems only occur if the system service monitor (daemontools) launches it (no tty terminal I guess). I am stuck. Is this something so hard to achieve? I appreciate all insight and guidance to best practice. (this has also been posted on superuser: http://superuser.com/questions/434235/script-calling-script-as-other-user)

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• Occasional "Could not load file or assembly" in asmx WebService on IIS and DFS

  - by user8804

  We have a handfull of ASMX web service hosted on two identical Windows Server 2003 boxes. The virtual directory for the web services is loaded in a DFS share, both servers point to the same share. We have a load balancer between the internet and the two web servers. At a seemingly random interval (right now about twice per week) when a user tries to access a method on the web service, IIS returns the error: "Could not load file or assembly" for one of the assemblies used in the method call, and will continue reporting it each time the method is called until the app pool is recycled. We haven't found any distinguishable pattern to the problem. This is what I know: the missing assembly varies (but it's always a home-brew assembly) the Web Service method that fails varies there is no noticeable pattern to the times or intervals where the problem appears there are no admin users accessing the servers when the problem appears the failing method will work correctly on one server and fail on the other, even though both point to the same bin folder the problem can always be corrected by recycling the app pool and making no other changes I have enabled the Assembly Binder Log, and know that the binder is looking in the correct location for the file. Our assemblies are compiled for .Net 3.5.

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• Unable to connect Xend with virt-manager

  - by Majid Azimi

  I have installed debian 6.0.1a. I have install all XEN stuff. including xen kernel, libvirtd, ... but when i want to connect xend, virt-manager shows me this: Verify that: A Xen host kernel was booted The Xen service has been started details: Unable to open connection to hypervisor URI 'xen:///': unable to connect to '/var/run/libvirt/libvirt-sock', libvirtd may need to be started: Permission denied Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/connection.py", line 971, in _try_open None], flags) File "/usr/lib/python2.6/dist-packages/libvirt.py", line 111, in openAuth if ret is None:raise libvirtError('virConnectOpenAuth() failed') libvirtError: unable to connect to '/var/run/libvirt/libvirt-sock', libvirtd may need to be started: Permission denied here is uname output: Linux debian 2.6.32-5-xen-amd64 #1 SMP Tue Mar 8 00:01:30 UTC 2011 x86_64 GNU/Linux and also xend and libvirtd is runnig: root@debian:/home/mazimi# /etc/init.d/libvirt-bin status Checking status of libvirt management daemon: libvirtd running. root@debian:/home/mazimi# /etc/init.d/xend start Starting Xen daemons: xenstored xenconsoled xend. permissions for livbirt-sock: root@debian:/home/mazimi# ls -alih /var/run/libvirt/ total 12K 671017 drwxr-xr-x 3 root root 4.0K Apr 15 13:54 . 654083 drwxr-xr-x 18 root root 4.0K Apr 15 13:54 .. 670901 srwxrwx--- 1 root libvirt 0 Apr 15 13:54 libvirt-sock 670928 srwxrwxrwx 1 root libvirt 0 Apr 15 13:54 libvirt-sock-ro 670870 drwxr-xr-x 2 root root 4.0K Apr 15 02:34 qemu and also we have group named libvirt in /etc/group When running libvirtd with verbose mode it behaves kind of stange: root@debian:/var/log/libvirt# /usr/sbin/libvirtd --verbose 17:26:55.841: warning : qemudStartup:1832 : Unable to create cgroup for driver: No such device or address 17:26:56.128: warning : lxcStartup:1900 : Unable to create cgroup for driver: No such device or address and waits infinitely.

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• How to do 'search for keyword in files' in emacs in Windows without cygwin?

  - by Anthony Kong

  I want to search for keyword, says 'action', in a bunch of files in my Windows PC with Emacs. It is partly because I want to learn more advanced features of emacs. It is also because the Windows PC is locked down by company policy. I cannot install useful applications like cygwin at will. So I tried this command: M-x rgrep It throws the following error message: *- mode: grep; default-directory: "c:/Users/me/Desktop/Project" -*- Grep started at Wed Oct 16 18:37:43 find . -type d "(" -path "*/SCCS" -o -path "*/RCS" -o -path "*/CVS" -o -path "*/MCVS" -o -path "*/.svn" -o -path "*/.git" -o -path "*/.hg" -o -path "*/.bzr" -o -path "*/_MTN" -o -path "*/_darcs" -o -path "*/{arch}" ")" -prune -o "(" -name ".#*" -o -name "*.o" -o -name "*~" -o -name "*.bin" -o -name "*.bak" -o -name "*.obj" -o -name "*.map" -o -name "*.ico" -o -name "*.pif" -o -name "*.lnk" -o -name "*.a" -o -name "*.ln" -o -name "*.blg" -o -name "*.bbl" -o -name "*.dll" -o -name "*.drv" -o -name "*.vxd" -o -name "*.386" -o -name "*.elc" -o -name "*.lof" -o -name "*.glo" -o -name "*.idx" -o -name "*.lot" -o -name "*.fmt" -o -name "*.tfm" -o -name "*.class" -o -name "*.fas" -o -name "*.lib" -o -name "*.mem" -o -name "*.x86f" -o -name "*.sparcf" -o -name "*.dfsl" -o -name "*.pfsl" -o -name "*.d64fsl" -o -name "*.p64fsl" -o -name "*.lx64fsl" -o -name "*.lx32fsl" -o -name "*.dx64fsl" -o -name "*.dx32fsl" -o -name "*.fx64fsl" -o -name "*.fx32fsl" -o -name "*.sx64fsl" -o -name "*.sx32fsl" -o -name "*.wx64fsl" -o -name "*.wx32fsl" -o -name "*.fasl" -o -name "*.ufsl" -o -name "*.fsl" -o -name "*.dxl" -o -name "*.lo" -o -name "*.la" -o -name "*.gmo" -o -name "*.mo" -o -name "*.toc" -o -name "*.aux" -o -name "*.cp" -o -name "*.fn" -o -name "*.ky" -o -name "*.pg" -o -name "*.tp" -o -name "*.vr" -o -name "*.cps" -o -name "*.fns" -o -name "*.kys" -o -name "*.pgs" -o -name "*.tps" -o -name "*.vrs" -o -name "*.pyc" -o -name "*.pyo" ")" -prune -o -type f "(" -iname "*.sh" ")" -exec grep -i -n "action" {} NUL ";" FIND: Parameter format not correct Grep exited abnormally with code 2 at Wed Oct 16 18:37:44 I believe rgrep tried to spwan a process and called 'FIND' with all the parameters. However, since it is a Windows, the default Find executable simply does not know how to handle. What is the better way to search for a keyword in multiple files in Emacs on Windows platform, without any dependency on external programs? Emacs version: 24.2.1

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• User can't SFTP after chroot

  - by Dauntless

  Ubuntu 10.04.4 LTS I'm trying to chroot the user 'sam'. According to all the tutorials out there this should work, but apparently I'm still doing something wrong. The user: sam:x:1005:1006::/home/sam:/bin/false I changed /etc/ssh/sshd_config like this (at the bottom of the file): #Subsystem sftp /usr/lib/openssh/sftp-server # CHROOT JAIL Subsystem sftp internal-sftp Match group users ChrootDirectory %h ForceCommand internal-sftp AllowTcpForwarding no I added sam to the users group: $groups sam sam : sam users I changed the permissions for sam's home folder: $ ls -la /home/sam drwxr-xr-x 11 root root 4096 Sep 23 16:12 . drwxr-xr-x 8 root root 4096 Sep 22 16:29 .. drwxr-xr-x 2 sam users 4096 Sep 23 16:10 awstats drwxr-xr-x 3 sam users 4096 Sep 23 16:10 etc ... drwxr-xr-x 2 sam users 4096 Sep 23 16:10 homes drwxr-x--- 3 sam users 4096 Sep 23 16:10 public_html I restarted ssh and now sam can't log in with SFTP. The session is created, but also closed immediately: Sep 24 12:55:15 ... sshd[9917]: Accepted password for sam from ... Sep 24 12:55:15 ... sshd[9917]: pam_unix(sshd:session): session opened for user sam by (uid=0) Sep 24 12:55:16 ... sshd[9928]: subsystem request for sftp Sep 24 12:55:17 ... sshd[9917]: pam_unix(sshd:session): session closed for user sam Cyberduck says Unexpected end of sftp stream. and other clients give similar errors. What did I forget / what is going wrong? Thanks!

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