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(Latest | Earliest) View (newer 50) (older 50) (20 | 50 | 100 | 250 | 500)- 20:10, 22 October 2015 GlusterFS 3.6.1 on CentOS 6.5: geo-replication and sparse files problem (hist) [30,243 bytes] Admin (Talk | contribs) (Created page with 'Initial config: <pre> [root@master-node alexm]# gluster vol geo-replication factory ruser@remote-node1::factory-az1 config special_sync_mode: partial state_socket_unencoded: /va…')
- 16:02, 22 July 2015 Warning: The resulting partition is not properly aligned for best performance. (hist) [3,432 bytes] Admin (Talk | contribs) (Created page with 'I needed to create a missing GPT petition and hit "Warning: The resulting partition is not properly aligned for best performance." coming from <tt>parted</tt>. The first mistake…')
- 18:30, 28 February 2015 Bad defaults for logrotate in PureMessage for UNIX (hist) [856 bytes] Admin (Talk | contribs) (Created page with 'Quarantine configuration is in <tt>/opt/pmx6/etc/pmx.d/quarantine_expire.conf</tt> Original: <pre> # Values for pmx-store-expire <quarantine_expire> archive = 1 expire_t…')
- 18:26, 28 February 2015 Expanding VG on a Linux VM in ESX (hist) [3,818 bytes] Admin (Talk | contribs) (Created page with 'Run out of space on one of SMTP nodes in DZM due to inappropriate logrotate settings in PureMessage for UNIX. <pre> root@dmz-sea-01:~# df -h /opt Filesystem Size …')
- 18:17, 28 February 2015 Finding email's subject and ID when you have non-English characters in subject (hist) [1,138 bytes] Admin (Talk | contribs) (Created page with 'Working for multinational companies bring interesting challenges :-) Once I needed to find out subject and email ID of the deferred emails in our Postfix. First grabbed the defe…')
- 18:03, 28 February 2015 MySQL: How to figure out how many queries do you have that might affect I/O (hist) [409 bytes] Admin (Talk | contribs) (Created page with 'We needed to figure out what are the most common queries are run on our MySQL server throughout the day that may affect I/O <pre> mysqlbinlog /path/to/mysql-bin.000999 | \ grep …')
- 15:36, 28 February 2015 Backup with Amanda: tape, NAS, Amazon S3 (hist) [91,130 bytes] Admin (Talk | contribs) (Created page with '==Amanda== ===Preparing the server=== ====Syslog settings==== We need to configure Syslog to send messages out to Logstash through Redis in RELP format. <pre> root@amdbkp-01:…')
- 20:52, 9 January 2015 Devstack. After bringing laptop back from sleep mode instance is in 'SHUTOFF' status and volume is in 'error deleting' status. (hist) [37,181 bytes] Admin (Talk | contribs) (Created page with 'After putting my laptop to sleep, while VirtualBox was still running, I found instance in 'SHUTOFF' state and volume in 'error_deleting' state. Attempts to bring the instance bac…')
- 14:09, 25 November 2014 Devstack installation with VirtualBox (hist) [18,213 bytes] Admin (Talk | contribs) (Created page with '= VM setup = Get CentOS 6.6 VM setup. Nothing fancy - Basic server, one interface. After OS is installed, do yum upgrade <pre># yum upgrade # yum install git # git clone htt…')
- 13:17, 25 November 2014 OpenStack (hist) [176 bytes] Admin (Talk | contribs) (Created page with '* Devstack installation with VirtualBox')
- 11:24, 7 November 2014 Removing part of JSON from amreport output (hist) [3,231 bytes] Admin (Talk | contribs) (Created page with 'Amreport has a block describing failure of amdump, which is causing grief to Logstash. We believe that the reason is some possibly hard coded limits on string length and the arra…')
- 16:59, 1 November 2014 Converting seconds to hrs:min:seconds (hist) [1,188 bytes] Admin (Talk | contribs) (Created page with 'Learning Python and at the same time messing around with Amanda's <tt>amreport</tt> JSON output, which we are trying to feed into Logstash/Kibana to build some Zabbix alerts out …')
- 16:48, 1 November 2014 Coding (hist) [90 bytes] Admin (Talk | contribs) ("Converting seconds to hrs:min:seconds" added)
- 14:27, 15 October 2014 Wrapper script to report Amanda backup status to Logstash/Kibana (hist) [798 bytes] Admin (Talk | contribs) (Created page with 'Below is the script that engages <tt>amdump</tt> for given configuration and then sends report in JSON format to Redis which is part of our Logstash. <pre> # # Wrapper script to…')
- 14:24, 15 October 2014 Mlogger to replace logger (hist) [520 bytes] Admin (Talk | contribs) (Created page with 'Had a task to send [http://www.amanda.org Amanda] reports into logstash and hit the wall of logger's line limit of 1024 byte. Searching web found the replacement for it - [https:…')
- 11:04, 15 October 2014 Rsyslog and RELP (hist) [1,734 bytes] Admin (Talk | contribs) (Created page with 'We need to configure Syslog to send messages out to Logstash through Redis in RELP format on Ubuntu 12.04 server. <pre> root@server:~# apt-get update root@server:~# apt-get ins…')
- 22:54, 14 October 2014 Monitoring IBM v7000 using Graphite and Grafana (hist) [3,522 bytes] Admin (Talk | contribs) (Created page with 'Cron job <pre> */5 * * * * /home/alex/bin/v7k2graphite.py /home/alex/bin/v7k2graphite.ini </pre> The script <tt>/home/alex/bin/v7k2graphite.py</tt> collects 5 minutes history a…')
- 22:48, 14 October 2014 Monitoring (hist) [53 bytes] Admin (Talk | contribs) (Added "Monitoring IBM v7000 using Graphite and Grafana")
- 00:29, 26 September 2014 IBM Director 6.3.2 on CentOS 6.5 (hist) [2,552 bytes] Admin (Talk | contribs) (Created page with 'Trying to install IBM Director 6.3.2 on CentOS 6.5 <pre> # lvextend -L+5G /dev/sysvg/homelv # resize2fs /dev/sysvg/homelv # lvextend -L+10G /dev/sysvg/optlv # resize2fs /dev/…')
- 22:32, 25 September 2014 Why email was deferred? (hist) [2,297 bytes] Admin (Talk | contribs) (First draft)
- 20:55, 31 August 2014 Restore disconnected node (hist) [8,151 bytes] Admin (Talk | contribs) (Created page with 'We had an outage in the building which led to all sort of strange things (loss of network, sporadic disappearances of servers, etc) One of the issues was outage of on three ESX …')
- 20:32, 31 August 2014 VMWare (hist) [152 bytes] Admin (Talk | contribs) ("Restore disconnected node" added)
- 23:14, 6 July 2014 Install ESX tools without GUI in Ubuntu (hist) [1,756 bytes] Admin (Talk | contribs) (Created page with 'Instructions based in [http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1022525 Installing VMware Tools in an Ubuntu virtual machine …')
- 15:13, 12 June 2014 Resizing disk. ESX, Ubuntu 12.04 server (hist) [8,741 bytes] Admin (Talk | contribs) (Created page with 'We run out of space on one of the VMs we have and space was added in vCenter to the VM by expanding existing vmdk by extra 3G+ Normally, I'd add another vmdk, create PV and expa…')
- 16:03, 20 April 2014 RabbitMQ installation on Ubuntu 12.04 LTS (hist) [12,668 bytes] Admin (Talk | contribs) (Created page with '==Debian== <pre> $ wget http://www.rabbitmq.com/rabbitmq-signing-key-public.asc $ sudo apt-key add rabbitmq-signing-key-public.asc # apt-key add rabbitmq-signing-key-public.…')
- 14:30, 20 April 2014 Mule ESB installation on Debian (hist) [1,883 bytes] Admin (Talk | contribs) (Created page with 'First, download Mule stand-alone for Linux from Mulesoft web site. Copy it to your server and extract somewhere. I'll do into /usr/local <pre> # cd /usr/local # gzip -dc ~amark…')
- 14:20, 20 April 2014 Integration (hist) [182 bytes] Admin (Talk | contribs) (Created page with 'Here I will collect everything related to different integration projects and tasks I came across. *Mule ESB installation on Debian *[[RabbitMQ installation on Ubuntu 12.04 L…')
- 22:34, 17 April 2014 Redirecting all emails from a server to a mail list in Exchange (hist) [746 bytes] Admin (Talk | contribs) (Created page with 'Two test servers 10.0.0.25 and 10.0.0.26 send emails out, which need to be re-directed to a mail distribution list in MS Exchange. Developers are members of the distribution list…')
- 22:23, 17 April 2014 Blackholing emails that shouldn't be sent any further (hist) [1,834 bytes] Admin (Talk | contribs) (Created page with 'Reference: [1] [http://wiki.deimos.fr/Simulate_a_black_hole_for_a_domain_with_Postfix, Simulate a black hole for a domain with Postfix] [2] [http://madphilosopher.ca/2006/09/how…')
- 22:03, 17 April 2014 SMTP (hist) [377 bytes] Admin (Talk | contribs) (Created page with 'Some Postfix issues I fixed and solutions I found. * *Blackholing emails that shouldn't be sent any further')
- 15:27, 16 April 2014 Cleaning Postfix queues (hist) [1,055 bytes] Admin (Talk | contribs) (Created page with 'I found out that PureMessage Postfix qshape is not returning correct numbers or takes long to process queue directory and something low level like this helps to get the correct o…')
- 23:02, 19 November 2013 Exim "T=remote smtp smarthost defer (-53): retry time not reached for any host" (hist) [261 bytes] Admin (Talk | contribs) (Created page with 'After a long period of one of my Debian server being cut off from big wild world exim developed amnesia and started throwing the error on every new email submitted for delivery. …')
- 12:25, 7 November 2013 QNAP, iSCSI and Ubuntu 12.04 server (hist) [1,483 bytes] Admin (Talk | contribs) (First draft of the article.)
- 11:10, 13 June 2013 Zabbix agent start-up problem (hist) [805 bytes] Admin (Talk | contribs) (Created page with 'For some reason after reboot zabbix_agentd didn't start on one of my servers. Turned out to be a missing check in start script of the agent and it was trying to create PID file i…')
- 10:57, 13 June 2013 Cron jobs and root password expiration (hist) [916 bytes] Admin (Talk | contribs) (Created page with 'Recently stepped onto the good old time bomb. When you set password expiration on accounts and never use root, cron jobs scheduled for root will stop working when root's password…')
- 00:13, 19 November 2012 Configuring SVN server in OSX (hist) [2,133 bytes] Admin (Talk | contribs) (Created page with 'I develop a nanoBSD based appliance and needed to access SVN repository hosted on my Mac from a FreeBSD VM running on the same Mac. Asking almighty Google to find me an appropria…')
- 14:17, 4 January 2012 Pf ftp-proxy and TLS (hist) [1,152 bytes] Admin (Talk | contribs) (Created page with 'Just finished fixing my pf rules to allow FTP connection with TLS encryption on. It boiled down to pf's ftp-proxy getting in the way while FTP control channel should be encrypted…')
- 00:30, 23 January 2011 X11 (hist) [64 bytes] Admin (Talk | contribs) (Added link to "Getting X11 forwarding through ssh working after running su")
- 00:28, 23 January 2011 Getting X11 forwarding through ssh working after running su (hist) [1,263 bytes] Admin (Talk | contribs) (Created page with 'I found this gem of information courtesy mike.rose [http://www.linuxquestions.org/questions/linux-newbie-8/xlib-connection-to-0-0-refused-by-server-xlib-no-protocol-specified-152…')
- 11:38, 23 December 2010 Testing nanoBSD image using VMWare (hist) [1,899 bytes] Admin (Talk | contribs) (Created page with 'I needed a way to do basic testing of nanoBSD images I build for embedded devices without the need to burn it to flash and have an ALIX board at hand to test it. Basically, a tim…')
- 14:53, 11 October 2010 NTP. Server dropped: strata too high (hist) [8,475 bytes] Admin (Talk | contribs) (Created page with 'When I was trying to setup an NTP server inside of my infrastructure where all other machine would take correct time from, I was facing the error message from ntpdate utility. M…')
- 22:15, 13 April 2010 Olive (JunOS) and troubles of 'recovery' mode (hist) [2,295 bytes] Admin (Talk | contribs) (Created page with 'I had this strange problem when I couldn't get JunOS password reset. This was a VMWare Olive image with JUNOS 9.6R2.11. When I tried the [http://juniper.cluepon.net/index.php/Pa…')
- 22:01, 13 April 2010 Networking (hist) [157 bytes] Admin (Talk | contribs) (Created page with 'Everything related to networking may be found here. Olive (JunOS) and serial port in VMWare Fusion Olive (JunOS) and troubles of 'recovery' mode')
- 23:06, 12 April 2010 Olive (JunOS) and serial port in VMWare Fusion (hist) [2,462 bytes] Admin (Talk | contribs) (Created page with 'The below is based on [http://communities.vmware.com/message/748577 this] and [http://juniper.cluepon.net/index.php/Olive#Use_serial_port_with_VMWare_Server_2.x_and_.2Anix_hosts …')
- 16:46, 7 April 2010 Xendomains and SELinux (hist) [4,454 bytes] Admin (Talk | contribs) (first rough cut)
- 14:26, 2 April 2010 Software RAID with mdadm (hist) [4,418 bytes] Admin (Talk | contribs) (Created page with 'I had a RedHat server that I managed to screw up, while testing different things, to the extent that an re-built was in order. The machine had no RAID controller and I was using …')
- 16:32, 1 April 2010 Nagios and SELinux (hist) [6,931 bytes] Admin (Talk | contribs) (rough cut. needs editing.)
- 15:32, 2 February 2010 Getting rid of 32 bit packages in RedHat (hist) [492 bytes] Admin (Talk | contribs) (Created page with 'If You want to clean your RedHat (or a derivative) off 32 bit packages, have a look [http://wiki.centos.org/FAQ/General#head-357346ff0bf7c14b0849c3bcce39677aaca528e9 here] In sh…')
- 02:04, 24 December 2009 Teltonika ModemPCI/G10 under FreeBSD (hist) [6,904 bytes] Admin (Talk | contribs) (Created page with 'I needed an SMS modem under FreeBSD, so I looked around and found [http://www.teltonika.lt/en/pages/view/?id=8 Teltonika modems] that come in PCI, USB and serial versions. I saw …')
- 23:37, 22 November 2009 VnStat and shttpd (hist) [4,208 bytes] Admin (Talk | contribs) (Created page with 'Something that you may want to get and place on your router to see the amount of traffic passing through it. [http://humdi.net/vnstat/ vnStat] is tiny network traffic monitor. C…')
