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• Managing two domains in one virtual server [on hold]

  - by Buddhika Ariyaratne

  I have a virtual server with Windows Server 2012 on which I need to run two applications for two separate customers. Both applications run on GlassFish in port 8080. The applications run on http://localhost:8080/roseth and http://localhost:8080/ruhunu My virtual server provider has given three IP addresses. How can a I assign one address for each application. For example, if a user type www.ruhunu.org, an arbitrary URL , I want to direct to http://localhost:8080/ruhunu and www.roseth.org to http://localhost:8080/roseth.

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• awstats parse of postfix mail log drops all records

  - by accidental admin

  I'm trying to get awstats to parse the postfix mail log, but it drops allmost all entries with messages like: Corrupted record (date 20091204042837 lower than 20091211065829-20000): 2009-12-04 04:28:37 root root localhost 127.0.0.1 SMTP - 1 17480 Few more are dropped with an invalid LogFormat: Corrupted record line 24 (record format does not match LogFormat parameter): 2009-11-16 04: 28:22 root root localhost 127.0.0.1 SMTP - 14755 My conf LogFormat="%time2 %email %email_r %host %host_r %method %url %code %bytesd" I believe matches the log format (and besides is the log format I've seen everywhere for awstats mail parsing). Besides, is the same entry format as all the other entries in the mail log. Whatever is left is dropped too: Dropped record (host localhost and 127.0.0.1 not qualified by SkipHosts): 2009-12-07 04:28:36 root root localhost 127.0.0.1 SMTP - 1 17152 I added SkipHosts="" to the .conf file but to no avail. I feel like awstats really has some personal quarrel with me today.

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• MySQL is running VERY slow on CentOS 6x (not 5x)

  - by user1032531

  I have two servers: a VPS and a laptop. I recently re-built both of them, and MySQL is running about 20 times slower on the laptop. Both servers used to run CentOS 5.8 and I think MySQL 5.1, and the laptop used to do great so I do not think it is the hardware. For the VPS, my provider installed CentOS 6.4, and then I installed MySQL 5.1.69 using yum with the CentOS repo. For the laptop, I installed CentOS 6.4 basic server and then installed MySQL 5.1.69 using yum with the CentOS repo. my.cnf for both servers are identical, and I have shown below. For both servers, I've also included below the output from SHOW VARIABLES; as well as output from sysbench, file system information, and cpu information. I have tried adding skip-name-resolve, but it didn't help. The matrix below shows the SHOW VARIABLES output from both servers which is different. Again, MySQL was installed the same way, so I do not know why it is different, but it is and I think this might be why the laptop is executing MySQL so slowly. Why is the laptop running MySQL slowly, and how do I fix it? Differences between SHOW VARIABLES on both servers +---------------------------+-----------------------+-------------------------+ | Variable | Value-VPS | Value-Laptop | +---------------------------+-----------------------+-------------------------+ | hostname | vps.site1.com | laptop.site2.com | | max_binlog_cache_size | 4294963200 | 18446744073709500000 | | max_seeks_for_key | 4294967295 | 18446744073709500000 | | max_write_lock_count | 4294967295 | 18446744073709500000 | | myisam_max_sort_file_size | 2146435072 | 9223372036853720000 | | myisam_mmap_size | 4294967295 | 18446744073709500000 | | plugin_dir | /usr/lib/mysql/plugin | /usr/lib64/mysql/plugin | | pseudo_thread_id | 7568 | 2 | | system_time_zone | EST | PDT | | thread_stack | 196608 | 262144 | | timestamp | 1372252112 | 1372252046 | | version_compile_machine | i386 | x86_64 | +---------------------------+-----------------------+-------------------------+ my.cnf for both servers [root@server1 ~]# cat /etc/my.cnf [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid innodb_strict_mode=on sql_mode=TRADITIONAL # sql_mode=STRICT_TRANS_TABLES,NO_ZERO_DATE,NO_ZERO_IN_DATE character-set-server=utf8 collation-server=utf8_general_ci log=/var/log/mysqld_all.log [root@server1 ~]# VPS SHOW VARIABLES Info Same as Laptop shown below but changes per above matrix (removed to allow me to be under the 30000 characters as required by ServerFault) Laptop SHOW VARIABLES Info auto_increment_increment 1 auto_increment_offset 1 autocommit ON automatic_sp_privileges ON back_log 50 basedir /usr/ big_tables OFF binlog_cache_size 32768 binlog_direct_non_transactional_updates OFF binlog_format STATEMENT bulk_insert_buffer_size 8388608 character_set_client utf8 character_set_connection utf8 character_set_database latin1 character_set_filesystem binary character_set_results utf8 character_set_server latin1 character_set_system utf8 character_sets_dir /usr/share/mysql/charsets/ collation_connection utf8_general_ci collation_database latin1_swedish_ci collation_server latin1_swedish_ci completion_type 0 concurrent_insert 1 connect_timeout 10 datadir /var/lib/mysql/ date_format %Y-%m-%d datetime_format %Y-%m-%d %H:%i:%s default_week_format 0 delay_key_write ON delayed_insert_limit 100 delayed_insert_timeout 300 delayed_queue_size 1000 div_precision_increment 4 engine_condition_pushdown ON error_count 0 event_scheduler OFF expire_logs_days 0 flush OFF flush_time 0 foreign_key_checks ON ft_boolean_syntax + -><()~*:""&| ft_max_word_len 84 ft_min_word_len 4 ft_query_expansion_limit 20 ft_stopword_file (built-in) general_log OFF general_log_file /var/run/mysqld/mysqld.log group_concat_max_len 1024 have_community_features YES have_compress YES have_crypt YES have_csv YES have_dynamic_loading YES have_geometry YES have_innodb YES have_ndbcluster NO have_openssl DISABLED have_partitioning YES have_query_cache YES have_rtree_keys YES have_ssl DISABLED have_symlink DISABLED hostname server1.site2.com identity 0 ignore_builtin_innodb OFF init_connect init_file init_slave innodb_adaptive_hash_index ON innodb_additional_mem_pool_size 1048576 innodb_autoextend_increment 8 innodb_autoinc_lock_mode 1 innodb_buffer_pool_size 8388608 innodb_checksums ON innodb_commit_concurrency 0 innodb_concurrency_tickets 500 innodb_data_file_path ibdata1:10M:autoextend innodb_data_home_dir innodb_doublewrite ON innodb_fast_shutdown 1 innodb_file_io_threads 4 innodb_file_per_table OFF innodb_flush_log_at_trx_commit 1 innodb_flush_method innodb_force_recovery 0 innodb_lock_wait_timeout 50 innodb_locks_unsafe_for_binlog OFF innodb_log_buffer_size 1048576 innodb_log_file_size 5242880 innodb_log_files_in_group 2 innodb_log_group_home_dir ./ innodb_max_dirty_pages_pct 90 innodb_max_purge_lag 0 innodb_mirrored_log_groups 1 innodb_open_files 300 innodb_rollback_on_timeout OFF innodb_stats_method nulls_equal innodb_stats_on_metadata ON innodb_support_xa ON innodb_sync_spin_loops 20 innodb_table_locks ON innodb_thread_concurrency 8 innodb_thread_sleep_delay 10000 innodb_use_legacy_cardinality_algorithm ON insert_id 0 interactive_timeout 28800 join_buffer_size 131072 keep_files_on_create OFF key_buffer_size 8384512 key_cache_age_threshold 300 key_cache_block_size 1024 key_cache_division_limit 100 language /usr/share/mysql/english/ large_files_support ON large_page_size 0 large_pages OFF last_insert_id 0 lc_time_names en_US license GPL local_infile ON locked_in_memory OFF log OFF log_bin OFF log_bin_trust_function_creators OFF log_bin_trust_routine_creators OFF log_error /var/log/mysqld.log log_output FILE log_queries_not_using_indexes OFF log_slave_updates OFF log_slow_queries OFF log_warnings 1 long_query_time 10.000000 low_priority_updates OFF lower_case_file_system OFF lower_case_table_names 0 max_allowed_packet 1048576 max_binlog_cache_size 18446744073709547520 max_binlog_size 1073741824 max_connect_errors 10 max_connections 151 max_delayed_threads 20 max_error_count 64 max_heap_table_size 16777216 max_insert_delayed_threads 20 max_join_size 18446744073709551615 max_length_for_sort_data 1024 max_long_data_size 1048576 max_prepared_stmt_count 16382 max_relay_log_size 0 max_seeks_for_key 18446744073709551615 max_sort_length 1024 max_sp_recursion_depth 0 max_tmp_tables 32 max_user_connections 0 max_write_lock_count 18446744073709551615 min_examined_row_limit 0 multi_range_count 256 myisam_data_pointer_size 6 myisam_max_sort_file_size 9223372036853727232 myisam_mmap_size 18446744073709551615 myisam_recover_options OFF myisam_repair_threads 1 myisam_sort_buffer_size 8388608 myisam_stats_method nulls_unequal myisam_use_mmap OFF net_buffer_length 16384 net_read_timeout 30 net_retry_count 10 net_write_timeout 60 new OFF old OFF old_alter_table OFF old_passwords OFF open_files_limit 1024 optimizer_prune_level 1 optimizer_search_depth 62 optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on pid_file /var/run/mysqld/mysqld.pid plugin_dir /usr/lib64/mysql/plugin port 3306 preload_buffer_size 32768 profiling OFF profiling_history_size 15 protocol_version 10 pseudo_thread_id 3 query_alloc_block_size 8192 query_cache_limit 1048576 query_cache_min_res_unit 4096 query_cache_size 0 query_cache_type ON query_cache_wlock_invalidate OFF query_prealloc_size 8192 rand_seed1 rand_seed2 range_alloc_block_size 4096 read_buffer_size 131072 read_only OFF read_rnd_buffer_size 262144 relay_log relay_log_index relay_log_info_file relay-log.info relay_log_purge ON relay_log_space_limit 0 report_host report_password report_port 3306 report_user rpl_recovery_rank 0 secure_auth OFF secure_file_priv server_id 0 skip_external_locking ON skip_name_resolve OFF skip_networking OFF skip_show_database OFF slave_compressed_protocol OFF slave_exec_mode STRICT slave_load_tmpdir /tmp slave_max_allowed_packet 1073741824 slave_net_timeout 3600 slave_skip_errors OFF slave_transaction_retries 10 slow_launch_time 2 slow_query_log OFF slow_query_log_file /var/run/mysqld/mysqld-slow.log socket /var/lib/mysql/mysql.sock sort_buffer_size 2097144 sql_auto_is_null ON sql_big_selects ON sql_big_tables OFF sql_buffer_result OFF sql_log_bin ON sql_log_off OFF sql_log_update ON sql_low_priority_updates OFF sql_max_join_size 18446744073709551615 sql_mode sql_notes ON sql_quote_show_create ON sql_safe_updates OFF sql_select_limit 18446744073709551615 sql_slave_skip_counter sql_warnings OFF ssl_ca ssl_capath ssl_cert ssl_cipher ssl_key storage_engine MyISAM sync_binlog 0 sync_frm ON system_time_zone PDT table_definition_cache 256 table_lock_wait_timeout 50 table_open_cache 64 table_type MyISAM thread_cache_size 0 thread_handling one-thread-per-connection thread_stack 262144 time_format %H:%i:%s time_zone SYSTEM timed_mutexes OFF timestamp 1372254399 tmp_table_size 16777216 tmpdir /tmp transaction_alloc_block_size 8192 transaction_prealloc_size 4096 tx_isolation REPEATABLE-READ unique_checks ON updatable_views_with_limit YES version 5.1.69 version_comment Source distribution version_compile_machine x86_64 version_compile_os redhat-linux-gnu wait_timeout 28800 warning_count 0 VPS Sysbench Info Deleted to stay under 30000 characters. Laptop Sysbench Info [root@server1 ~]# cat sysbench.txt sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 8 Doing OLTP test. Running mixed OLTP test Doing read-only test Using Special distribution (12 iterations, 1 pct of values are returned in 75 pct cases) Using "BEGIN" for starting transactions Using auto_inc on the id column Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. OLTP test statistics: queries performed: read: 634718 write: 0 other: 90674 total: 725392 transactions: 45337 (755.56 per sec.) deadlocks: 0 (0.00 per sec.) read/write requests: 634718 (10577.78 per sec.) other operations: 90674 (1511.11 per sec.) Test execution summary: total time: 60.0048s total number of events: 45337 total time taken by event execution: 479.4912 per-request statistics: min: 2.04ms avg: 10.58ms max: 85.56ms approx. 95 percentile: 19.70ms Threads fairness: events (avg/stddev): 5667.1250/42.18 execution time (avg/stddev): 59.9364/0.00 [root@server1 ~]# VPS File Info [root@vps ~]# df -T Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/simfs simfs 20971520 16187440 4784080 78% / none tmpfs 6224432 4 6224428 1% /dev none tmpfs 6224432 0 6224432 0% /dev/shm [root@vps ~]# Laptop File Info [root@server1 ~]# df -T Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/mapper/vg_server1-lv_root ext4 72383800 4243964 64462860 7% / tmpfs tmpfs 956352 0 956352 0% /dev/shm /dev/sdb1 ext4 495844 60948 409296 13% /boot [root@server1 ~]# VPS CPU Info Removed to stay under the 30000 character limit required by ServerFault Laptop CPU Info [root@server1 ~]# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz stepping : 13 cpu MHz : 800.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida dts tpr_shadow vnmi flexpriority bogomips : 3591.39 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz stepping : 13 cpu MHz : 800.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida dts tpr_shadow vnmi flexpriority bogomips : 3591.39 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: [root@server1 ~]# EDIT New Info requested by shakalandy [root@localhost ~]# cat /proc/meminfo MemTotal: 2044804 kB MemFree: 761464 kB Buffers: 68868 kB Cached: 369708 kB SwapCached: 0 kB Active: 881080 kB Inactive: 246016 kB Active(anon): 688312 kB Inactive(anon): 4416 kB Active(file): 192768 kB Inactive(file): 241600 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 4095992 kB SwapFree: 4095992 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 688428 kB Mapped: 65156 kB Shmem: 4216 kB Slab: 92428 kB SReclaimable: 31260 kB SUnreclaim: 61168 kB KernelStack: 2392 kB PageTables: 28356 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 5118392 kB Committed_AS: 1530212 kB VmallocTotal: 34359738367 kB VmallocUsed: 343604 kB VmallocChunk: 34359372920 kB HardwareCorrupted: 0 kB AnonHugePages: 520192 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 8556 kB DirectMap2M: 2078720 kB [root@localhost ~]# ps aux | grep mysql root 2227 0.0 0.0 108332 1504 ? S 07:36 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/localhost.badobe.com.pid mysql 2319 0.1 24.5 1470068 501360 ? Sl 07:36 0:57 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/lib/mysql/localhost.badobe.com.err --pid-file=/var/lib/mysql/localhost.badobe.com.pid root 3579 0.0 0.1 201840 3028 pts/0 S+ 07:40 0:00 mysql -u root -p root 13887 0.0 0.1 201840 3036 pts/3 S+ 18:08 0:00 mysql -uroot -px xxxxxxxxxx root 14449 0.0 0.0 103248 840 pts/2 S+ 18:16 0:00 grep mysql [root@localhost ~]# ps aux | grep mysql root 2227 0.0 0.0 108332 1504 ? S 07:36 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/localhost.badobe.com.pid mysql 2319 0.1 24.5 1470068 501356 ? Sl 07:36 0:57 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/lib/mysql/localhost.badobe.com.err --pid-file=/var/lib/mysql/localhost.badobe.com.pid root 3579 0.0 0.1 201840 3028 pts/0 S+ 07:40 0:00 mysql -u root -p root 13887 0.0 0.1 201840 3048 pts/3 S+ 18:08 0:00 mysql -uroot -px xxxxxxxxxx root 14470 0.0 0.0 103248 840 pts/2 S+ 18:16 0:00 grep mysql [root@localhost ~]# vmstat 1 procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 0 0 0 742172 76376 371064 0 0 6 6 78 202 2 1 97 1 0 0 0 0 742164 76380 371060 0 0 0 16 191 467 2 1 93 5 0 0 0 0 742164 76380 371064 0 0 0 0 148 388 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 159 418 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 145 380 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 166 429 2 1 97 0 0 1 0 0 742164 76380 371064 0 0 0 0 148 373 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 149 382 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 168 408 2 0 97 0 0 0 0 0 742164 76380 371064 0 0 0 0 165 394 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 159 354 2 1 98 0 0 0 0 0 742164 76388 371060 0 0 0 16 180 447 2 0 91 6 0 0 0 0 742164 76388 371064 0 0 0 0 143 344 2 1 98 0 0 0 1 0 742784 76416 370044 0 0 28 580 360 678 3 1 74 23 0 1 0 0 744768 76496 367772 0 0 40 1036 437 865 3 1 53 43 0 0 1 0 747248 76596 365412 0 0 48 1224 561 923 3 2 53 43 0 0 1 0 749232 76696 363092 0 0 32 1132 512 883 3 2 52 44 0 0 1 0 751340 76772 361020 0 0 32 1008 472 872 2 1 52 45 0 0 1 0 753448 76840 358540 0 0 36 1088 512 860 2 1 51 46 0 0 1 0 755060 76936 357636 0 0 28 1012 481 922 2 2 52 45 0 0 1 0 755060 77064 357988 0 0 12 896 444 902 2 1 53 45 0 0 1 0 754688 77148 358448 0 0 16 1096 506 1007 1 1 56 42 0 0 2 0 754192 77268 358932 0 0 12 1060 481 957 1 2 53 44 0 0 1 0 753696 77380 359392 0 0 12 1052 512 1025 2 1 55 42 0 0 1 0 751028 77480 359828 0 0 8 984 423 909 2 2 52 45 0 0 1 0 750524 77620 360200 0 0 8 788 367 869 1 2 54 44 0 0 1 0 749904 77700 360664 0 0 8 928 439 924 2 2 55 43 0 0 1 0 749408 77796 361084 0 0 12 976 468 967 1 1 56 43 0 0 1 0 748788 77896 361464 0 0 12 992 453 944 1 2 54 43 0 1 1 0 748416 77992 361996 0 0 12 784 392 868 2 1 52 46 0 0 1 0 747920 78092 362336 0 0 4 896 382 874 1 1 52 46 0 0 1 0 745252 78172 362780 0 0 12 1040 444 923 1 1 56 42 0 0 1 0 744764 78288 363220 0 0 8 1024 448 934 2 1 55 43 0 0 1 0 744144 78408 363668 0 0 8 1000 461 982 2 1 53 44 0 0 1 0 743648 78488 364148 0 0 8 872 443 888 2 1 54 43 0 0 1 0 743152 78548 364468 0 0 16 1020 511 995 2 1 55 43 0 0 1 0 742656 78632 365024 0 0 12 928 431 913 1 2 53 44 0 0 1 0 742160 78728 365468 0 0 12 996 470 955 2 2 54 44 0 1 1 0 739492 78840 365896 0 0 8 988 447 939 1 2 52 46 0 0 1 0 738872 78996 366352 0 0 12 972 442 928 1 1 55 44 0 1 1 0 738244 79148 366812 0 0 8 948 549 1126 2 2 54 43 0 0 1 0 737624 79312 367188 0 0 12 996 456 953 2 2 54 43 0 0 1 0 736880 79456 367660 0 0 12 960 444 918 1 1 53 46 0 0 1 0 736260 79584 368124 0 0 8 884 414 921 1 1 54 44 0 0 1 0 735648 79716 368488 0 0 12 976 450 955 2 1 56 41 0 0 1 0 733104 79840 368988 0 0 12 932 453 918 1 2 55 43 0 0 1 0 732608 79996 369356 0 0 16 916 444 889 1 2 54 43 0 1 1 0 731476 80128 369800 0 0 16 852 514 978 2 2 54 43 0 0 1 0 731244 80252 370200 0 0 8 904 398 870 2 1 55 43 0 1 1 0 730624 80384 370612 0 0 12 1032 447 977 1 2 57 41 0 0 1 0 730004 80524 371096 0 0 12 984 469 941 2 2 52 45 0 0 1 0 729508 80636 371544 0 0 12 928 438 922 2 1 52 46 0 0 1 0 728888 80756 371948 0 0 16 972 439 943 2 1 55 43 0 0 1 0 726468 80900 372272 0 0 8 960 545 1024 2 1 54 43 0 1 1 0 726344 81024 372272 0 0 8 464 490 1057 1 2 53 44 0 0 1 0 726096 81148 372276 0 0 4 328 441 1063 2 1 53 45 0 1 1 0 726096 81256 372292 0 0 0 296 387 975 1 1 53 45 0 0 1 0 725848 81380 372284 0 0 4 332 425 1034 2 1 54 44 0 1 1 0 725848 81496 372300 0 0 4 308 386 992 2 1 54 43 0 0 1 0 725600 81616 372296 0 0 4 328 404 1060 1 1 54 44 0 procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 0 1 0 725600 81732 372296 0 0 4 328 439 1011 1 1 53 44 0 0 1 0 725476 81848 372308 0 0 0 316 441 1023 2 2 52 46 0 1 1 0 725352 81972 372300 0 0 4 344 451 1021 1 1 55 43 0 2 1 0 725228 82088 372320 0 0 0 328 427 1058 1 1 54 44 0 1 1 0 724980 82220 372300 0 0 4 336 419 999 2 1 54 44 0 1 1 0 724980 82328 372320 0 0 4 320 430 1019 1 1 54 44 0 1 1 0 724732 82436 372328 0 0 0 388 363 942 2 1 54 44 0 1 1 0 724608 82560 372312 0 0 4 308 419 993 1 2 54 44 0 1 0 0 724360 82684 372320 0 0 0 304 421 1028 2 1 55 42 0 1 0 0 724360 82684 372388 0 0 0 0 158 416 2 1 98 0 0 1 1 0 724236 82720 372360 0 0 0 6464 243 855 3 2 84 12 0 1 0 0 724112 82748 372360 0 0 0 5356 266 895 3 1 84 12 0 2 1 0 724112 82764 372380 0 0 0 3052 221 511 2 2 93 4 0 1 0 0 724112 82796 372372 0 0 0 4548 325 1067 2 2 81 16 0 1 0 0 724112 82816 372368 0 0 0 3240 259 829 3 1 90 6 0 1 0 0 724112 82836 372380 0 0 0 3260 309 822 3 2 88 8 0 1 1 0 724112 82876 372364 0 0 0 4680 326 978 3 1 77 19 0 1 0 0 724112 82884 372380 0 0 0 512 207 508 2 1 95 2 0 1 0 0 724112 82884 372388 0 0 0 0 138 361 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 158 397 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 146 395 2 1 98 0 0 2 0 0 724112 82884 372388 0 0 0 0 160 395 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 163 382 1 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 176 422 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 134 351 2 1 98 0 0 0 0 0 724112 82884 372388 0 0 0 0 190 429 2 1 97 0 0 0 0 0 724104 82884 372392 0 0 0 0 139 358 2 1 98 0 0 0 0 0 724848 82884 372392 0 0 0 4 211 432 2 1 97 0 0 1 0 0 724980 82884 372392 0 0 0 0 166 370 2 1 98 0 0 0 0 0 724980 82884 372392 0 0 0 0 164 397 2 1 98 0 0 ^C [root@localhost ~]# Database size mysql> SELECT table_schema "Data Base Name", sum( data_length + index_length ) / 1024 / 1024 "Data Base Size in MB", sum( data_free )/ 1024 / 1024 "Free Space in MB" FROM information_schema.TABLES GROUP BY table_schema; +--------------------+----------------------+------------------+ | Data Base Name | Data Base Size in MB | Free Space in MB | +--------------------+----------------------+------------------+ | bidjunction | 4.68750000 | 0.00000000 | | information_schema | 0.00976563 | 0.00000000 | | mysql | 0.63899899 | 0.00105286 | +--------------------+----------------------+------------------+ 3 rows in set (0.01 sec) mysql> Before Query mysql> SHOW SESSION STATUS like '%Tmp%'; +-------------------------+-------+ | Variable_name | Value | +-------------------------+-------+ | Created_tmp_disk_tables | 0 | | Created_tmp_files | 6 | | Created_tmp_tables | 0 | +-------------------------+-------+ 3 rows in set (0.00 sec) mysql> After Query mysql> SHOW SESSION STATUS like '%Tmp%'; +-------------------------+-------+ | Variable_name | Value | +-------------------------+-------+ | Created_tmp_disk_tables | 0 | | Created_tmp_files | 6 | | Created_tmp_tables | 2 | +-------------------------+-------+ 3 rows in set (0.00 sec) mysql>

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• Linux (DUP!) ping packages

  - by Darkmage

  i cant seem t figure out what is going on here. The Linux machine I am using is running as a VM on a Win7 machine using Virtual Box running as a service. If i ping the win7 Host i get ok result. root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 192.168.1.100 PING 192.168.1.100 (192.168.1.100) 10(38) bytes of data. 18 bytes from 192.168.1.100: icmp_seq=1 ttl=128 time=1.78 ms 18 bytes from 192.168.1.100: icmp_seq=2 ttl=128 time=1.68 ms if i ping localhost im ok root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 localhost PING localhost (127.0.0.1) 10(38) bytes of data. 18 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.255 ms 18 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.221 ms but if i ping gateway i get DUP packets root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 192.168.1.1 PING 192.168.1.1 (192.168.1.1) 10(38) bytes of data. 18 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=1.27 ms 18 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=1.46 ms (DUP!) 18 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=22.1 ms 18 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=22.4 ms (DUP!) if i ping other machine on same LAN i stil get dups. pinging remote hosts also gives (DUP!) result root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 www.vg.no PING www.vg.no (195.88.55.16) 10(38) bytes of data. 18 bytes from www.vg.no (195.88.55.16): icmp_seq=1 ttl=245 time=10.0 ms 18 bytes from www.vg.no (195.88.55.16): icmp_seq=1 ttl=245 time=10.3 ms (DUP!) 18 bytes from www.vg.no (195.88.55.16): icmp_seq=2 ttl=245 time=10.3 ms 18 bytes from www.vg.no (195.88.55.16): icmp_seq=2 ttl=245 time=10.6 ms (DUP!)

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• Protect apache2 server-status handler by password

  - by Shiplu

  In my apache2 server I access /server-status to check my current status of the web-server. I found that mods-available/status.conf contains the snippets that is responsible for showing status. <Location /server-status> SetHandler server-status Order deny,allow Deny from all Allow from localhost ip6-localhost </Location> My question is how can i make it available not only for localhost but also for remote host with authentication?

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• Postfix Relay to Office365

  - by woodsbw

  I am trying to setup a Postfix server on a Linux box to relay all mail to our Office365 (Exchange, hosted by Microsoft) mail server, but, I keep getting an error regarding the sending address: BB338140DC1: to= relay=pod51010.outlook.com[157.56.234.118]:587, delay=7.6, delays=0.01/0/2.5/5.1, dsn=5.7.1, status=bounced (host pod51010.outlook.com[157.56.234.118] said: 550 5.7.1 Client does not have permissions to send as this sender (in reply to end of DATA command)) Office 365 requires that the sending address in the MAIL FROM and From: header be the same as the address used to authenticate. I have tried everything I can think of in the config to get this working. My postconf -n: append_dot_mydomain = no biff = no config_directory = /etc/postfix debug_peer_list = 127.0.0.1 inet_interfaces = loopback-only inet_protocols = all mailbox_size_limit = 0 mydestination = xxxxx, localhost.localdomain, localhost myhostname = localhost mynetworks = 127.0.0.0/8 recipient_delimiter = + relay_domains = our.doamin relayhost = [pod51010.outlook.com]:587 sender_canonical_classes = envelope_sender sender_canonical_maps = hash:/etc/postfix/sender_canonical smtp_always_send_ehlo = yes smtp_sasl_auth_enable = yes smtp_sasl_mechanism_filter = login smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = smtp_tls_CAfile = /etc/postfix/cacert.pem smtp_tls_loglevel = 1 smtp_tls_security_level = may smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes sender_canonical: www-data [email protected] root [email protected] www-data@localhost [email protected] root@localhost [email protected] Also, sasl_passwd is set to the correct credentials (tested them using swaks multiple times.) Authentication works, and sends the message when the from headers are correct (also tested using swaks....which works) The emails are coming from PHP, so I have also tried altering the sendmail path in php.ini to use pass the correct from address via -f So, for some reason, mail coming from www-data and root are not having the from fields rewritten to Office 365's satisfaction, and it won't send the message. Any postfix gurus out there that can help me setup this relay?

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• OS X Apache giving 503 error for anything in /api directory

  - by WilliamMayor

  I have a locally hosted website that uses Smarty templates, I'm trying to get started on building an API for the site. I've used virtualhost.sh to create a local virtual host for this and other sites. I've discovered that if I put a directory called api at the root of any of these virtual hosts I will get a 503 error when I try to access anything inside. I am using mod-rewrite but so far only to append a .php extension when needed. Here are the error logs for a request: [Thu Feb 09 13:42:37 2012] [error] proxy: HTTP: disabled connection for (localhost) [Thu Feb 09 13:49:06 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to [fe80::1]:8080 (localhost) failed [Thu Feb 09 13:49:06 2012] [error] ap_proxy_connect_backend disabling worker for (localhost) The middle line gave me a clue to look in my hosts file because why would a request go to [fe80::1]:8080? I commented out that line and tried again, this time the error was in connecting to the standard 127.0.0.1 localhost. I have concluded that perhaps there is some config file somewhere picking up the underlying request of localhost/api and pointing it somewhere other than my virtual host. At this point my ability to fix the problem fails me. Can anyone help?

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• cherrypy fails to stop when puppet tries to ensure running and refresh it at the same time

  - by ento

  I am trying to manage a cherrypy service with puppet. However, when the configuration is applied, cherryd ends up with no PID file although the process is up and running. Since the PID file is lost I can no longer stop the process with /etc/init.d/mycherryd stop (unless I modify the handmade init script to lookup the PID with ps or something.) $ /etc/init.d/mycherryd status cherryd dead but subsys locked The problem seems to be that puppet is trying to refresh/restart cherryd (triggered by changes in configuration files) immediately after ensuring it's running (as specified in the manifest), and cherrypy fails to stop and start (restart) itself while still executing its startup process. Is there a clear cut solution to this problem? Is this a bug on the cherrypy side, or can I write a puppet manifest so refresh is called only after the service is up and running? Any suggestion welcome. cherrypy log See how cherrypy catches SIGTERM midway through startup and still starts to listen. :cherrypy.error[18666] 2010-02-12 13:10:23,551 INFO: ENGINE Listening for SIGHUP. :cherrypy.error[18666] 2010-02-12 13:10:23,552 INFO: ENGINE Listening for SIGTERM. :cherrypy.error[18666] 2010-02-12 13:10:23,552 INFO: ENGINE Listening for SIGUSR1. :cherrypy.error[18666] 2010-02-12 13:10:23,552 INFO: ENGINE Bus STARTING :cherrypy.error[18671] 2010-02-12 13:10:23,554 INFO: ENGINE Daemonized to PID: 18671 :cherrypy.error[18671] 2010-02-12 13:10:23,554 INFO: ENGINE PID 18671 written to '/var/mycherryd/cherry.pid'. :cherrypy.error[18671] 2010-02-12 13:10:23,555 INFO: ENGINE Started monitor thread '_TimeoutMonitor'. :cherrypy.error[18670] 2010-02-12 13:10:23,556 INFO: ENGINE Forking twice. :cherrypy.error[18666] 2010-02-12 13:10:23,557 INFO: ENGINE Forking once. :cherrypy.error[18671] 2010-02-12 13:10:23,716 INFO: ENGINE Caught signal SIGTERM. :cherrypy.error[18671] 2010-02-12 13:10:23,716 INFO: ENGINE Bus STOPPING :cherrypy.error[18671] 2010-02-12 13:10:23,716 INFO: ENGINE HTTP Server cherrypy._cpwsgi_server.CPWSGIServer(('0.0.0.0', 12380)) already shut down :cherrypy.error[18671] 2010-02-12 13:10:23,717 INFO: ENGINE Stopped thread '_TimeoutMonitor'. :cherrypy.error[18671] 2010-02-12 13:10:23,717 INFO: ENGINE Bus STOPPED :cherrypy.error[18671] 2010-02-12 13:10:23,732 INFO: ENGINE Bus EXITING :cherrypy.error[18671] 2010-02-12 13:10:23,759 INFO: ENGINE PID file removed: '/var/mycherryd/cherry.pid'. :cherrypy.error[18671] 2010-02-12 13:10:23,782 INFO: ENGINE Bus EXITED :cherrypy.error[18671] 2010-02-12 13:10:23,792 INFO: ENGINE Serving on 0.0.0.0:12380 :cherrypy.error[18671] 2010-02-12 13:10:23,826 INFO: ENGINE Bus STARTED puppet log puppet tries to refresh the service immediately after ensuring it to be 'running'. Feb 12 13:10:22 localhost puppetd[8159]: (//mycherrypy/File[conffiles]) Scheduling refresh of Service[cherryd] Feb 12 13:10:22 localhost last message repeated 12 times Feb 12 13:10:23 localhost puppetd[8159]: (//mycherrypy/Service[mycherryd]/ensure) ensure changed 'stopped' to 'running' Feb 12 13:10:23 localhost puppetd[8159]: (//mycherrypy/Service[mycherryd]) Triggering 'refresh' from 13 dependencies Feb 12 13:11:23 localhost puppetd[8159]: (//mycherrypy/Service[mycherryd]) Failed to call refresh on Service[mycherryd]: Could not stop Service[mycherryd]: Execution of '/sbin/service mycherryd stop' returned 1: at /etc/puppet/manifests/mycherrypy.pp:161 Feb 12 13:11:24 localhost puppetd[8159]: Value of 'preferred_serialization_format' (pson) is invalid for report, using default (marshal) Feb 12 13:11:24 localhost puppetd[8159]: Finished catalog run in 99.25 seconds puppet manifest excerpt class mycherrypy { file { 'rpm': path => "/tmp/${apiserver}.i386.rpm", source => "${fileserver}/${apiserver}.i386.rpm"; 'conffiles': require => Package["${apiserver}"], path => "${service_home}/config/", ensure => present, source => "${fileserver}/config/", notify => Service["mycherryd"]; } package { "$apiserver": provider => 'rpm', source => "/tmp/${apiserver}.i386.rpm", ensure => latest; } service { "mycherryd": require => [File["conffiles"], Package["${apiserver}"]], ensure => running, provider => redhat, hasstatus => true; } }

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• CentOS 6.5 proxy bypass/no_proxy not working

  - by Naruto Uzumaki

  I am running CentOS 6.5 on my desktop. I've set the Network Proxy using the network proxy application provided under Preferences. I've also set the following exceptions: localhost,127.0.0.0/8,172.16.0.0/12,192.168.0.0./16 But whenever I am using wget (I'm testing the proxy settings using using wget) then wget tries to connect to the proxy for private addresses, but wget localhost works fine and doesn't use the proxy. I also removed all the proxy settings and set the proxy in the shell: export http_proxy="<proxy_url>:<port>" export https_proxy="<proxy_url>:<port>" export no_proxy="localhost,127.0.0.0/8,172.16.0.0/12,192.168.0.0./16" It work when I use the command wget <external_url> or wget localhost but fails when I use the command wget <private address from the $no_proxy variable>. I also tried setting the variables in Ubuntu 14.04 also and facing the same issue. Regards,

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• cherrypy fails to stop when puppet tries to ensure running and refresh it at the same time

  - by ento

  I am trying to manage a cherrypy service with puppet. However, when the configuration is applied, cherryd ends up with no PID file although the process is up and running. Since the PID file is lost I can no longer stop the process with /etc/init.d/mycherryd stop (unless I modify the handmade init script to lookup the PID with ps or something.) $ /etc/init.d/mycherryd status cherryd dead but subsys locked The problem seems to be that puppet is trying to refresh/restart cherryd (triggered by changes in configuration files) immediately after ensuring it's running (as specified in the manifest), and cherrypy fails to stop and start (restart) itself while still executing its startup process. Is there a clear cut solution to this problem? Is this a bug on the cherrypy side, or can I write a puppet manifest so refresh is called only after the service is up and running? Any suggestion welcome. cherrypy log See how cherrypy catches SIGTERM midway through startup and still starts to listen. :cherrypy.error[18666] 2010-02-12 13:10:23,551 INFO: ENGINE Listening for SIGHUP. :cherrypy.error[18666] 2010-02-12 13:10:23,552 INFO: ENGINE Listening for SIGTERM. :cherrypy.error[18666] 2010-02-12 13:10:23,552 INFO: ENGINE Listening for SIGUSR1. :cherrypy.error[18666] 2010-02-12 13:10:23,552 INFO: ENGINE Bus STARTING :cherrypy.error[18671] 2010-02-12 13:10:23,554 INFO: ENGINE Daemonized to PID: 18671 :cherrypy.error[18671] 2010-02-12 13:10:23,554 INFO: ENGINE PID 18671 written to '/var/mycherryd/cherry.pid'. :cherrypy.error[18671] 2010-02-12 13:10:23,555 INFO: ENGINE Started monitor thread '_TimeoutMonitor'. :cherrypy.error[18670] 2010-02-12 13:10:23,556 INFO: ENGINE Forking twice. :cherrypy.error[18666] 2010-02-12 13:10:23,557 INFO: ENGINE Forking once. :cherrypy.error[18671] 2010-02-12 13:10:23,716 INFO: ENGINE Caught signal SIGTERM. :cherrypy.error[18671] 2010-02-12 13:10:23,716 INFO: ENGINE Bus STOPPING :cherrypy.error[18671] 2010-02-12 13:10:23,716 INFO: ENGINE HTTP Server cherrypy._cpwsgi_server.CPWSGIServer(('0.0.0.0', 12380)) already shut down :cherrypy.error[18671] 2010-02-12 13:10:23,717 INFO: ENGINE Stopped thread '_TimeoutMonitor'. :cherrypy.error[18671] 2010-02-12 13:10:23,717 INFO: ENGINE Bus STOPPED :cherrypy.error[18671] 2010-02-12 13:10:23,732 INFO: ENGINE Bus EXITING :cherrypy.error[18671] 2010-02-12 13:10:23,759 INFO: ENGINE PID file removed: '/var/mycherryd/cherry.pid'. :cherrypy.error[18671] 2010-02-12 13:10:23,782 INFO: ENGINE Bus EXITED :cherrypy.error[18671] 2010-02-12 13:10:23,792 INFO: ENGINE Serving on 0.0.0.0:12380 :cherrypy.error[18671] 2010-02-12 13:10:23,826 INFO: ENGINE Bus STARTED puppet log puppet tries to refresh the service immediately after ensuring it to be 'running'. Feb 12 13:10:22 localhost puppetd[8159]: (//mycherrypy/File[conffiles]) Scheduling refresh of Service[cherryd] Feb 12 13:10:22 localhost last message repeated 12 times Feb 12 13:10:23 localhost puppetd[8159]: (//mycherrypy/Service[mycherryd]/ensure) ensure changed 'stopped' to 'running' Feb 12 13:10:23 localhost puppetd[8159]: (//mycherrypy/Service[mycherryd]) Triggering 'refresh' from 13 dependencies Feb 12 13:11:23 localhost puppetd[8159]: (//mycherrypy/Service[mycherryd]) Failed to call refresh on Service[mycherryd]: Could not stop Service[mycherryd]: Execution of '/sbin/service mycherryd stop' returned 1: at /etc/puppet/manifests/mycherrypy.pp:161 Feb 12 13:11:24 localhost puppetd[8159]: Value of 'preferred_serialization_format' (pson) is invalid for report, using default (marshal) Feb 12 13:11:24 localhost puppetd[8159]: Finished catalog run in 99.25 seconds puppet manifest excerpt class mycherrypy { file { 'rpm': path => "/tmp/${apiserver}.i386.rpm", source => "${fileserver}/${apiserver}.i386.rpm"; 'conffiles': require => Package["${apiserver}"], path => "${service_home}/config/", ensure => present, source => "${fileserver}/config/", notify => Service["mycherryd"]; } package { "$apiserver": provider => 'rpm', source => "/tmp/${apiserver}.i386.rpm", ensure => latest; } service { "mycherryd": require => [File["conffiles"], Package["${apiserver}"]], ensure => running, provider => redhat, hasstatus => true; } }

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• Dovecot, Postfix, Postfixadmin - can't send/receive mail

  - by Jack

  I am setting up a mail server: Dovecot and Postfix with MySQL support and Postfixadmin. Spend literally all day trying to figure it out, but I'm still unable to neither send nor receive any emails. To my knowledge, I have configured everything correctly, so either there is another problem, or my knowledge isn't good enough. Here is what I get when I use "echo test | mail [email protected]:" Jul 11 00:41:07 server postfix/pickup[17999]: 5B0D32AE1B: uid=0 from= Jul 11 00:41:07 server postfix/cleanup[19444]: 5B0D32AE1B: message-id=<[email protected] Jul 11 00:41:07 server postfix/qmgr[18513]: 5B0D32AE1B: from=, size=329, nrcpt=1 (queue active) Jul 11 00:41:12 server postfix/smtp[19448]: 5B0D32AE1B: to=, relay=none, delay=5.3, delays=0.1/0.01/5.2/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=dsa.com type=MX: Host not found, try again) *@mail.asd.com is changed for privacy reasons, same goes for [email protected]. *The bold text is where it, for some reason, prints out dsa.com - even though I haven't found it anywhere in the files which I've edited during the installation, nor my DNS is .com in the first place. Here is what I get when I try to send out an email from Postfix Admin interface: Jul 11 00:49:08 server postfix/smtpd[19479]: connect from localhost[127.0.0.1] Jul 11 00:49:08 server postfix/trivial-rewrite[19484]: warning: do not list domain asd.com in BOTH mydestination and virtual_mailbox_domains Jul 11 00:49:08 server postfix/smtpd[19479]: 4F7892AE1E: client=localhost[127.0.0.1] Jul 11 00:49:08 server postfix/cleanup[19487]: 4F7892AE1E: message-id=<[email protected] Jul 11 00:49:08 server postfix/qmgr[18513]: 4F7892AE1E: from=, size=317, nrcpt=1 (queue active) Jul 11 00:49:08 server postfix/smtpd[19479]: disconnect from localhost[127.0.0.1] Jul 11 00:49:10 server postfix/smtpd[19492]: connect from localhost[127.0.0.1] Jul 11 00:49:10 server postfix/trivial-rewrite[19484]: warning: do not list domain asd.com in BOTH mydestination and virtual_mailbox_domains Jul 11 00:49:10 server postfix/smtpd[19492]: 743AE2AE1F: client=localhost[127.0.0.1] Jul 11 00:49:10 server postfix/cleanup[19487]: 743AE2AE1F: message-id=<[email protected] Jul 11 00:49:10 server postfix/qmgr[18513]: 743AE2AE1F: from=, size=772, nrcpt=1 (queue active) Jul 11 00:49:10 server postfix/smtpd[19492]: disconnect from localhost[127.0.0.1] Jul 11 00:49:10 server amavis[13437]: (13437-11) Passed CLEAN, LOCAL [127.0.0.1] - , Message-ID: <[email protected], mail_id: 86+KQY93ANel, Hits: -0.002, size: 317, queued_as: 743AE2AE1F, 2145 ms Jul 11 00:49:10 server postfix/smtp[19489]: 4F7892AE1E: to=, relay=127.0.0.1[127.0.0.1]:10024, delay=2.3, delays=0.17/0.01/0/2.1, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 743AE2AE1F) Jul 11 00:49:10 server postfix/qmgr[18513]: 4F7892AE1E: removed I really don't know what might be the problem... If you need to know something, feel free to ask and I'll clarify something.

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• Total newb having SSH and remote MySQL access problems

  - by kscott

  I don't often work with linux or need to SSH into remote MySQL databases, so pardon my ignorance. For months I had been using the HeidiSQL client application to remotely access a MySQL database. Today two things happened: the DB moved to a new server and I updated HeidiSQL, now I cannot log in to the MySQL server, when attempting I get this message from Heidi: SQL Error (2003) in statement #0: Can't connect to MySQL server on 'localhost' (10061) If I use Putty, I can connect to the server and get MySQL access through command line, including fetching data from the DB. I assume this means my credentials and address are correct, but do not understand why putting those same details into HeidiSQL's SSH tunnel info won't work. I also downloaded the MySQL Workbench and attempted to set up a connection through that client and got this message: Cannot Connect to Database Server Your connection attempt failed for user 'myusername' from your host to server at localhost:3306: Lost connection to MySQL server at 'reading initial communication packet', system error: 0 Please: 1 Check that mysql is running on server localhost 2 Check that mysql is running on port 3306 (note: 3306 is the default, but this can be changed) 3 Check the myusername has rights to connect to localhost from your address (mysql rights define what clients can connect to the server and from which machines) 4 Make sure you are both providing a password if needed and using the correct password for localhost connecting from the host address you're connecting from From Googling around I see that it could be related to the MySQL bind-address, but I am a third party sub-contractor with no access to the MySQL settings of this box and the system admin is assuring me that I'm an idiot and need to figure it out on my end. This is completely possible but I don't know what else to try. Edit 1 - The client settings I am using In Heidi and MySQL Workbench I am using the following: SSH host + port: theHostnameOfTheRemoteServer.com:22 {this is the same host I can Putty to} SSH Username: mySSHusername {the same user name I use for my Putty connection} SSH Password: mySSHpassword {the same password for the Putty connection} Local port: 3307 MySQL host: theHostnameOfTheRemoteServer.com MySQL User: mySQLusername {which I can connect with once in with Putty} MySQL Password: mySQLpassword {which works once in with Putty} Port: 3306

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• PowerDNS CNAME with multiple A records produces unexpected results

  - by bwight

  This problem from what i can tell is isolated to PowerDNS. The servers are running two packages pdns-static-3.0.1-1.i386.rpm and pdns-recursor-3.3-1.i386.rpm on the most recent version of Amazon Linux. The amazon ec2 loadbalancers are assigned a CNAME with multiple hosts. Below is an example of the actual behavior. Notice how the hosts are always in the same order. [root@localhost ~]# host cache.domain.com cache.domain.com is an alias for xxxxx.us-east-1.elb.amazonaws.com. xxxxx.us-east-1.elb.amazonaws.com has address aaa.aaa.aaa.aaa xxxxx.us-east-1.elb.amazonaws.com has address bbb.bbb.bbb.bbb [root@localhost ~]# host cache.domain.com cache.domain.com is an alias for xxxxx.us-east-1.elb.amazonaws.com. xxxxx.us-east-1.elb.amazonaws.com has address aaa.aaa.aaa.aaa xxxxx.us-east-1.elb.amazonaws.com has address bbb.bbb.bbb.bbb [root@localhost ~]# host cache.domain.com cache.domain.com is an alias for xxxxx.us-east-1.elb.amazonaws.com. xxxxx.us-east-1.elb.amazonaws.com has address aaa.aaa.aaa.aaa xxxxx.us-east-1.elb.amazonaws.com has address bbb.bbb.bbb.bbb Expected behavior is round robin for the hosts [root@localhost ~]# host cache.domain.com cache.domain.com is an alias for xxxxx.us-east-1.elb.amazonaws.com. xxxxx.us-east-1.elb.amazonaws.com has address aaa.aaa.aaa.aaa xxxxx.us-east-1.elb.amazonaws.com has address bbb.bbb.bbb.bbb [root@localhost ~]# host cache.domain.com cache.domain.com is an alias for xxxxx.us-east-1.elb.amazonaws.com. xxxxx.us-east-1.elb.amazonaws.com has address bbb.bbb.bbb.bbb xxxxx.us-east-1.elb.amazonaws.com has address aaa.aaa.aaa.aaa [root@localhost ~]# host cache.domain.com cache.domain.com is an alias for xxxxx.us-east-1.elb.amazonaws.com. xxxxx.us-east-1.elb.amazonaws.com has address aaa.aaa.aaa.aaa xxxxx.us-east-1.elb.amazonaws.com has address bbb.bbb.bbb.bbb The addresses eventually do swap but it seems to be on a 30 minute cache timer changing the TTL of the record doesn't appear to affect anything. It appears as though the resolver has a cache of the response. This adversely affects my application because all of the load is only being sent to one of the loadbalancers (Availability Zones) so if I have servers in two zones then only one zone is under load at a time. Do you know how I can fix this so that each time the host is resolved the order of the addresses is alternating.

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• postfix (for sending mail only) multiple domain setup

  - by seanl

  I have the following problem, I have a Centos 5.4 VPS hosting a few nginx sites (some static, some cakephp), I would like to be able to send email from each sites contact page through postfix to my google apps hosted email (different accounts for each site) so that apps can then send out an auto email to the person filling in the contact form etc I have a bare-bones postfix installation with the following added into the main.cf config file. from using this guide virtual_alias_domains = hash:/etc/postfix/virtual_alias_domains virtual_alias_maps = hash:/etc/postfix/virtual_alias_maps (both of these files have been converted into db files using postmap) I have configured DNS correctly for each site and setup SPF records. (I'm aware R-DNS will still reference my actual hostname not the domain name and cause a possible spam issue but one thing at a time) I can telnet localhost and the helo localhost so that I can send a command line email from an address in the virtual_alias_domains to an email in the virtual_alias_maps file which seems sends without giving an error but it is sending to my local linux account not the email address specified. my question is am i approching this the wrong way in terms of the virtual alias mapping or is this even possible to do in the manner im trying. Any help is greatly appreciated thanks. my postconf -n outlook looks like this alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 html_directory = no inet_interfaces = localhost mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost myhostname = myactual hostname mynetworks = 127.0.0.0/8 myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop unknown_local_recipient_reject_code = 550 virtual_alias_domains = hash:/etc/postfix/virtual_alias_domains virtual_alias_maps = hash:/etc/postfix/virtual_alias_maps

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• Ports do not open after rules appended in iptables

  - by user2699451

  I have a server that I am trying to setup for OpenVPN. I have followed all the steps, but I see that when I try to connect to it in Windows, it doesn't allow me, it just hangs on connecting, so I did a nmap scan and I see that port 1194 is not open so naturally I append the rule to open 1194 with: iptables -A INPUT -i eth0 -p tcp --dport 1194 -j ACCEPT followed by service iptables save and service iptables restart which all executed successfully. Then I try again, but it doesn't work and another nmap scan says that port 1194 is closed. Here is the iptables configuration: # Generated by iptables-save v1.4.7 on Thu Oct 31 09:47:38 2013 *nat :PREROUTING ACCEPT [27410:3091993] :POSTROUTING ACCEPT [0:0] :OUTPUT ACCEPT [5042:376160] -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -j SNAT --to-source 41.185.26.238 -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE COMMIT # Completed on Thu Oct 31 09:47:38 2013 # Generated by iptables-save v1.4.7 on Thu Oct 31 09:47:38 2013 *filter :INPUT ACCEPT [23571:2869068] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [27558:3656524] :vl - [0:0] -A INPUT -p tcp -m tcp --dport 5252 -m comment --comment "SSH Secure" -j ACCEPT -A INPUT -p icmp -m icmp --icmp-type 8 -m state --state NEW,RELATED,ESTABLISHED -$ -A INPUT -i lo -j ACCEPT -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 22 -m comment --comment "SSH" -j ACCEPT -A INPUT -p tcp -m tcp --dport 80 -m comment --comment "HTTP" -j ACCEPT -A INPUT -p tcp -m tcp --dport 8080 -m comment --comment "HTTPS" -j ACCEPT -A INPUT -p tcp -m tcp --dport 443 -m comment --comment "HTTP Encrypted" -j ACCEP$ -A INPUT -i eth0 -p tcp -m tcp --dport 1723 -j ACCEPT -A INPUT -i eth0 -p gre -j ACCEPT -A INPUT -p udp -m udp --dport 1194 -j ACCEPT -A FORWARD -i ppp+ -o eth0 -j ACCEPT -A FORWARD -i eth0 -o ppp+ -j ACCEPT -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT -A FORWARD -s 10.8.0.0/24 -j ACCEPT -A FORWARD -j REJECT --reject-with icmp-port-unreachable -A OUTPUT -p icmp -m icmp --icmp-type 0 -m state --state RELATED,ESTABLISHED -j A$ COMMIT # Completed on Thu Oct 31 09:47:38 2013 and my nmap scan from: localhost: nmap localhost Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-31 09:53 SAST Nmap scan report for localhost (127.0.0.1) Host is up (0.000011s latency). Other addresses for localhost (not scanned): 127.0.0.1 Not shown: 996 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 443/tcp open https 1723/tcp open pptp Nmap done: 1 IP address (1 host up) scanned in 0.06 seconds remote pc: nmap [server ip] Starting Nmap 6.00 ( http://nmap.org ) at 2013-10-31 09:53 SAST Nmap scan report for rla04-nix1.wadns.net (41.185.26.238) Host is up (0.025s latency). Not shown: 858 filtered ports, 139 closed ports PORT STATE SERVICE 22/tcp open ssh 443/tcp open https 8008/tcp open http Nmap done: 1 IP address (1 host up) scanned in 15.70 seconds So, I do not know what is causing this, any assistance will be appreciated! UPDATE AFTER FIRST ANSWER::: [root@RLA04-NIX1 ~]# iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT [root@RLA04-NIX1 ~]# iptables -A FORWARD -s 10.8.0.0/24 -j ACCEPT [root@RLA04-NIX1 ~]# iptables -A FORWARD -j REJECT [root@RLA04-NIX1 ~]# iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE [root@RLA04-NIX1 ~]# service iptables save iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ] [root@RLA04-NIX1 ~]# service iptables restart iptables: Flushing firewall rules: [ OK ] iptables: Setting chains to policy ACCEPT: filter nat [ OK ] iptables: Unloading modules: [ OK ] iptables: Applying firewall rules: [ OK ] [root@RLA04-NIX1 ~]# lsof -i :1194 -bash: lsof: command not found iptables -L -n Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:5252 /* SSH Secure */ ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8 state NEW,RELATED,ESTABLISHED ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 /* SSH */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 /* HTTP */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:8080 /* HTTPS */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:443 /* HTTP Encrypted */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:1723 ACCEPT 47 -- 0.0.0.0/0 0.0.0.0/0 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:1194 Chain FORWARD (policy ACCEPT) target prot opt source destination ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT all -- 10.8.0.0/24 0.0.0.0/0 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT all -- 10.8.0.0/24 0.0.0.0/0 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable Chain OUTPUT (policy ACCEPT) target prot opt source destination ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 0 state RELATED,ESTABLISHED Chain vl (0 references) target prot opt source destination [root@RLA04-NIX1 ~]# nmap localhostt Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-31 11:13 SAST remote pc nmap [server ip] Starting Nmap 6.00 ( http://nmap.org ) at 2013-10-31 11:11 SAST Nmap scan report for rla04-nix1.wadns.net (41.185.26.238) Host is up (0.020s latency). Not shown: 858 filtered ports, 139 closed ports PORT STATE SERVICE 22/tcp open ssh 443/tcp open https 8008/tcp open http Nmap done: 1 IP address (1 host up) scanned in 4.18 seconds localhost nmap localhost Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-31 11:13 SAST Nmap scan report for localhost (127.0.0.1) Host is up (0.000011s latency). Other addresses for localhost (not scanned): 127.0.0.1 Not shown: 996 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 443/tcp open https 1723/tcp open pptp Nmap done: 1 IP address (1 host up) scanned in 0.06 seconds UPDATE AFTER SCANNING UDP PORTS Sorry, I am noob, I am still learning, but here is the output for: nmap -sU [server ip] Starting Nmap 6.00 ( http://nmap.org ) at 2013-10-31 11:33 SAST Nmap scan report for [server address] ([server ip]) Host is up (0.021s latency). Not shown: 997 open|filtered ports PORT STATE SERVICE 53/udp closed domain 123/udp closed ntp 33459/udp closed unknown Nmap done: 1 IP address (1 host up) scanned in 8.57 seconds btw, no changes have been made since post started (except for iptables changes)

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• How to make PuTTY X11 forwarding work in a screen session?

  - by Alex Howell

  I'm using PuTTY with X11 forwarding enabled, using Xming as my X server on Windows 7. When I SSH to a Linux host, X11 forwarding works fine. If I start a "screen" screen manager session, it still works fine. If I disconnect from the screen session, then later resume in a different PuTTY window using "screen -rd", X11 forwarding doesn't work any more - I get an error: xterm X connection to localhost:11.0 broken (explicit kill or server shutdown). This seems to be because $DISPLAY is different in each PuTTY SSH session (localhost:11.0 in the first session, then localhost:12.0 in the next, and so on). If I manually set $DISPLAY to localhost:12.0 in the screen session, X11 forwarding works again. Is there a way to automatically set $DISPLAY in the screen session, each time it's resumed, so that it always matches the parent PuTTY session's?

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• eXist-db: can't start webstart client on a closed port, reverse proxied via apache

  - by rvdb

  I am configuring an Apache HTTP server so it reverse proxies requests starting with /app/ to an eXist-db instance running in a Tomcat server, on port 8082. This port has been closed in the firewall and is inaccessible to the outer world. Following the eXist documentation, I have following rules in place in my httpd.conf file: ProxyPass /apps/ http://localhost:8082/ ProxyPassReverse /apps/ http://localhost:8082/ ProxyPassReverseCookiePath /apps/ / All goes well for requests to e.g. 'http://mydomain/apps/exist/index.xml'. Yet, the webstart client (accessible at 'http://localhost:8082/exist/webstart/exist.jnlp' on the web server) doesn't work behind the proxy. While 'http://mydomain/apps/exist/webstart/exist.jnlp' does generate a valid exist.jnlp file, that file can't be executed. The reason seems quite obvious: apparently, the eXist-db instance generating the exist.jnlp file only sees the proxied request as: 'http://localhost:8082/exist/webstart/exist.jnlp'. Yet, since the exist.jnlp file is executed on the client, that reference is meaningless (unless the client computer happens to have an eXist-db instance running on that port). Executing the exist.jnlp file hence fails with a 'connection refused' error. Yet, there's no problem at all connecting a local eXist-db Java client to the proxied eXist instance with the URL xmldb:exist://mydomain/apps/exist/xmlrpc. The problem lies in generating the webstart exist.jnlp file, which seems to need access to a publicly accessible URL. However, opening port 8082 and replacing the Proxy references to 'http://localhost:8082' with 'http://mydomain:8082' IMO rather destroys the point of reverse proxying. Do others have had success reverse proxying eXist-db on a closed port behind Apache? Are there perhaps some Proxy configuration settings I have overlooked (I'm no expert at all) that can make eXist see the original request instead of the proxied one? Kind regards, Ron

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• solr reverse proxy Apache2

  - by Steven

  I am trying to setup Apache2 as Reverse Proxy for solr. Apache and Solr are on the same machine. Apache is serving other stuff as regular web server,too. solsearch config file in /etc/apache2/config.d/ # Proxy specific settings ProxyRequests Off ProxyPreserveHost Off <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> ProxyPass /solrsearch http://localhost:8983/solr/collection1/browse ProxyPassReverse /solrsearch http://localhost:8983/solr/collection1/browse Now trying [http://localhost/solsearch] gives me the first page of [http://localhost:8983/solr/collection1/browse], but with broken layout (like css missing). Result: error.log of apache: File does not exist: /var/www/solr, referer: [http://192.168.1.150/solrsearch]

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• windows http tunnel trough 2 linux hosts?

  - by Darkmage

  the localhost only have connection to host1, Host1 have connetion to Host2 and localhost, how can i setup this to use host2 as a proxy for web trafic from localhost. i have seen similar topics but cant get it to work. how do i set it up on the XP client?

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• HTTP Content-type header for cached files

  - by Brian

  Hello, Using Apache with mod_rewrite, when I load a .css or .js file and view the HTTP headers, the Content-type is only set correctly the first time I load it - subsequent refreshes are missing Content-type altogether and it's creating some problems for me. Specifically, gzip is not compressing these files. I can get around this by appending a random query string value to the end of each filename, eg. http://www.site.com/script.js?12345 However, I don't want to have to do that, since caching is good and all I want is for the Content-type to be present. I've tried using a RewriteRule to force the type but still didn't solve the problem. Any ideas? Thanks, Brian More Details: HTTP headers WITHOUT random query string value: http://localhost/script.js GET /script.js HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 Accept: */* Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 115 Connection: keep-alive Referer: http://localhost/ Cookie: PHPSESSID=ke3p35v5qbus24che765p9jni5; If-Modified-Since: Thu, 29 Apr 2010 15:49:56 GMT If-None-Match: "3440e9-119ed-485621404f100" Cache-Control: max-age=0 HTTP/1.1 304 Not Modified Date: Thu, 29 Apr 2010 20:19:44 GMT Server: Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8l DAV/2 PHP/5.3.1 Connection: Keep-Alive Keep-Alive: timeout=5, max=100 Etag: "3440e9-119ed-485621404f100" Vary: Accept-Encoding X-Pad: avoid browser bug HTTP headers WITH random query string value: http://localhost/script.js?c947344de8278053f6edbb4365550b25 GET /script.js?c947344de8278053f6edbb4365550b25 HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 Accept: */* Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 115 Connection: keep-alive Referer: http://localhost/ Cookie: PHPSESSID=ke3p35v5qbus24che765p9jni5; HTTP/1.1 200 OK Date: Thu, 29 Apr 2010 20:14:40 GMT Server: Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8l DAV/2 PHP/5.3.1 Last-Modified: Thu, 29 Apr 2010 15:49:56 GMT Etag: "3440e9-119ed-485621404f100" Accept-Ranges: bytes Vary: Accept-Encoding Content-Encoding: gzip Content-Length: 24605 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: application/javascript

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• Connection Timed Out - Simple outbound Postfix for PHP Contact form

  - by BLaZuRE

  Alright, so I only got Postfix for a PHP contact form that will send email to a single . I only want it to send out mail to a single external address ([email protected]). I have domain sub1.sub2.domain.com. I installed Postfix out of the Ubuntu repo, with minimal config changes. I cannot get Postfix to send mail externally (though it succeeds for internal accounts, which is unnecessary). The email simply defers if I generate an email using PHP mail(). If I try to form my own in telnet, right after rcpt to: [email][email protected][/email], I get a postfix/smtpd[31606]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 550 5.1.1 <[email protected]>: Recipient address rejected: example.com; from=<root@localhost> to=<[email protected]> proto=ESMTP helo=<localhost> when commenting out default_transport = error and relay_transport = error lines, I get the following: Jun 26 14:33:00 sub1 postfix/smtp[12191]: 2DA06F88206A: to=<[email protected]>, relay=none, delay=514, delays=409/0.01/105/0, dsn=4.4.1, status=deferred (connect to aspmx3.googlemail.com[74.125.127.27]:25: Connection timed out) Jun 26 14:36:36 sub1 postfix/smtp[12225]: connect to mta7.am0.yahoodns.net[98.139.175.224]:25: Connection timed out Jun 26 14:38:00 sub1 postfix/smtp[12225]: 22952F88208E: to=<[email protected]>, relay=none, delay=655, delays=550/0.01/105/0, dsn=4.4.1, status=deferred (connect to mta5.am0.yahoodns.net[67.195.168.230]:25: Connection timed out) My main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. myhostname = sub1.sub2.domain.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = sub1.sub2.domain.com, localhost relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all default_transport = error relay_transport = error Also, a dig sub1.sub2.domain.com MX returns: ; <<>> DiG 9.7.0-P1 <<>> sub1.sub2.domain.com MX ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4853 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;sub1.sub2.domain.com. IN MX ;; AUTHORITY SECTION: sub2.domain.com. 600 IN SOA sub2.domain.com. sub5.domain.com. 2012062915 7200 600 1209600 600 ;; Query time: 0 msec ;; SERVER: x.x.x.x#53(x.x.x.x) ;; WHEN: Fri Jun 29 16:35:00 2012 ;; MSG SIZE rcvd: 84 lsof -i returns empty netstat -t -a | grep LISTEN returns tcp 0 0 localhost:mysql *:* LISTEN tcp 0 0 *:ftp *:* LISTEN tcp 0 0 *:ssh *:* LISTEN tcp 0 0 localhost:ipp *:* LISTEN tcp 0 0 *:smtp *:* LISTEN tcp6 0 0 [::]:netbios-ssn [::]:* LISTEN tcp6 0 0 [::]:www [::]:* LISTEN tcp6 0 0 [::]:ssh [::]:* LISTEN tcp6 0 0 localhost:ipp [::]:* LISTEN tcp6 0 0 [::]:microsoft-ds [::]:* LISTEN

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• Enabling CURL on Ubuntu 11.10

  - by Afsheen Khosravian

  I have installed curl: sudo apt-get install curl libcurl3 libcurl3-dev php5-curl and I have updated my php.ini file to include(I also tried .so): extension=php_curl.dll To test if curl is working I created a file called testCurl.php which contains the following: <?php echo ‘<pre>’; var_dump(curl_version()); echo ‘</pre>’; ?> When I navigate to localhost/testCurl.php I get an error: HTTP Error 500 Heres a snippet from the error log: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/php_curl.dll' - /usr/lib/php5/20090626+lfs/php_curl.dll: cannot op$ PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626+lfs/sqlite.so' - /usr/lib/php5/20090626+lfs/sqlite.so: cannot open sha$ [Sun Dec 25 12:10:17 2011] [notice] Apache/2.2.20 (Ubuntu) PHP/5.3.6-13ubuntu3.3 with Suhosin-Patch configured -- resuming normal operations [Sun Dec 25 12:13:46 2011] [error] [client 127.0.0.1] File does not exist: /var/www/css, referer: http://localhost/ [Sun Dec 25 12:13:46 2011] [error] [client 127.0.0.1] File does not exist: /var/www/css, referer: http://localhost/ [Sun Dec 25 12:13:46 2011] [error] [client 127.0.0.1] File does not exist: /var/www/css, referer: http://localhost/ [Sun Dec 25 12:13:46 2011] [error] [client 127.0.0.1] File does not exist: /var/www/css, referer: http://localhost/` Can anyone help me to get curl working? The problem was with the original test code. I used a new test file containing this and curl is now working: <?php ## Test if cURL is working ## ## SCRIPT BY WWW.WEBUNE.COM (please do not remove)## echo '<pre>'; var_dump(curl_version()); echo '</pre>'; ?>

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• Windows HTTP tunnel through 2 Linux hosts?

  - by Darkmage

  The localhost only has connection to Host1. Host1 has connection to Host2 and localhost. How can I setup this to use Host2 as a proxy for web trafic from localhost? I have seen similar topics but can't get it to work. How do I set it up on the Windows XP client?

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• Enable Server Status using Plesk 11

  - by Lars Ebert

  I am trying to get apaches server status to work with Plesk 11. But running sudo /usr/sbin/apache2ctl fullstatus results in: Forbidden You don't have permission to access /server-status on this server. __________________________________________________________________ Apache Server at localhost Port 80 'www-browser -dump http://localhost:80/server-status' failed. Maybe you need to install a package providing www-browser or you need to adjust the APACHE_LYNX variable in /etc/apache2/envvars How can I enable server status? So far I have tried to insert <Location /server-status> SetHandler server-status Order Deny,Allow Deny from all Allow from localhost </Location> into the httpd.conf, but I am not sure if it is active. I also tried adding it to /var/www/vhosts/somedomain/conf/vhost.conf but I do not know which domain I have to add this to, as fullstatus seems to query localhost directly. I guess I am a little confused by the use of vhost configuration in Plesk.

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• SVN : how to change hostname?

  - by elon

  I'd like to sep up SVN repo on local machine. But we already have apache running under localhost. When I use instalator form subversion site with apache option it installs another apache and when I type "localhost" in browser I see this new apache (not the old one). Question is how to run this new apache under other host name. When installing it asks about it, so I set different name, but it still works under localhost (nothing happens). I'd like to have access to svn via URL e.g. "svnrepo" not "localhost". What can I do about it? Which lines of config should be changed (and/or what's more should be changed?) Another way I'm thinking of to solve this problem is to integrate this svn-apache module with mine apache. But still I don't really know how to do it (my apache is 2.2.6)

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