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  • Look strange on gvim after applying Source Sans Pro font

    - by abcdabcd987
    I downloaded the Source Sans Pro font and install on my Fedora17(Xfce). I did mkfontscale, mkfontdir, fc-cache -fv, and after fc-list, could see it on the list. Then I changed guifont in gvim to Source\ Sans\ Pro\ 10, but it looks quite strange. And then I changed it to DejaVu\ Sans\ Mono\ 10, it looks nothing strange. So, why would this happend? And how to solve it? Thanks! Source Sans Pro DejaVu Sans Mono

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  • Concerns about Apache per-Vhost logging setup

    - by etienne
    I'm both senior developer and sysadmin in my company, so i'm trying to deal with the needs of both activities. I've set up our apache box, wich deals with 30-50 domains atm (and hopefully will grow larger) and hosts both production and development sites, with this directory structure: domains/ domains/domain.ext/ #FTPS chroot for user domain.ext domains/domain.ext/public #the DocumentRoot of http://domain.ext domains/domain.ext/logs domains/domain.ext/subdomains/sub.domain.ext domains/domain.ext/subdomains/sub.domain.ext/public #DocumentRoot of http://sub.domain.ext Each domain.ext Vhost runs with his dedicated user and group via mpm-itk, umask being 027, and the logs are stored via a piped sudo command, like this: ErrorLog "| /usr/bin/sudo -u nobody -g domain.ext tee -a domains/domain.ext/logs/sub.domain.ext_error.log" CustomLog "| /usr/bin/sudo -u nobody -g domain.ext tee -a domains/domain.ext/logs/sub.domain.ext_access.log" combined Now, i've read a lot about not letting the logs out of a very restricted directory, but the developers often need to give a quick look to a particular subdomain error log, and i don't really want to give them admin rights to look into /var/logs. Having them available into the ftp account is REALLY handy during development stages. Do you think this setup is viable and safe enough? To me it is apparently looking good, but i'm concerned about 3 security issues: -is the sudo pipe enough to deal with symlink exploits? Any catches i'm missing? -log dos: logs are in the same partition of all domains. got hundreds of gigs, but still, if one get disk-space dos'd, everything will break. Any workaround? Will a short timed logrotate suffice? -file descriptors limits: AFAIK the default limit for Apache on Ubuntu Server is currently 8192, which should be plenty enough to handle 2 log files per subdomain. Is it? Am i missing something? I hope to read some thoughts on the matter!

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  • How to convert aspell dictionary to simple list of words?

    - by rafalmag
    I want to get list of all words from aspell dictionary. I downloaded aspell and aspell polish dictionary, then unziped it using: preunzip pl.cwl I got pl.wl: ... hippie hippies hippiesowski/bXxYc hippika/MNn hippis/NOqsT hippisiara/MnN hippiska/mMN hippisowski/bXxYc ... but they appear with sufix like /bXxYc or /MNn. These suffixes are defined in pl_affix.dat, which looks like ... SFX n Y 5 SFX n a 0 [^ij]a SFX n ja yj [^aeijoóuy]ja SFX n a 0 [aeijoóuy]ja SFX n ia ij [^drt]ia SFX n ia yj [drt]ia ... It is connected to the declination and conjugation. How can I add to the first list all forms (with all corresponding suffixes as defined in .dat file ) ? BTW: I need this list to spell-checker jazzy.

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  • Cannot connect to postgres installed on Ubuntu

    - by Assaf
    I installed the Bitnami Django stack which included PostgreSQL 8.4. When I run psql -U postgres I get the following error: psql: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"? PG is definitely running and the pg_hba.conf file looks like this: # TYPE DATABASE USER CIDR-ADDRESS METHOD # "local" is for Unix domain socket connections only local all all md5 # IPv4 local connections: host all all 127.0.0.1/32 md5 # IPv6 local connections: host all all ::1/128 md5 What gives? "Proof" that pg is running: root@assaf-desktop:/home/assaf# ps axf | grep postgres 14338 ? S 0:00 /opt/djangostack-1.3-0/postgresql/bin/postgres -D /opt/djangostack-1.3-0/postgresql/data -p 5432 14347 ? Ss 0:00 \_ postgres: writer process 14348 ? Ss 0:00 \_ postgres: wal writer process 14349 ? Ss 0:00 \_ postgres: autovacuum launcher process 14350 ? Ss 0:00 \_ postgres: stats collector process 15139 pts/1 S+ 0:00 \_ grep --color=auto postgres root@assaf-desktop:/home/assaf# netstat -nltp | grep 5432 tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 14338/postgres tcp6 0 0 ::1:5432 :::* LISTEN 14338/postgres root@assaf-desktop:/home/assaf#

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  • Setup staging with multiple SVN

    - by Kapil Sharma
    We are a startup, setting new environments for product to be released soon. Planned server structure with planned release flow is as shown in below image It ideally have a local server (or Staging server, shown in green) in local office, without public IP address and Production Server (Red) at Amazon EC2. Both local and production server have there own SVN copy. Management here want to update production server with production SVN and without providing its access to developers (including freelancers/contract employees). So for developers, there is a Local SVN on local server. Another purpose of local SVN to keep a copy of code on local server, which is under our direct control. Although there are some technical concerns like how will code at local server will be updated from local SVN and commit on production SVN but bigger question is, is that structure correct? Major requirement remain don't provide production SVN access to developers. What are other possible options to achieve that? Another minor question, if suitable here, if above structure is correct, is it possible for a SVN checkout to get updated from one SVN (Local SVN) but commit to other (Production SVN)? If yes, How? edit An answer has been accepted but for bounty, I'm still looking for answer Is that structure correct? Its pros/Cons? Technical solution is already provided by accepted answer.

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  • How to interrupt stuck bash tab completion?

    - by codeape
    Case: A Windows share mounted using samba over a flaky VPN connection (sometimes very slow, sometimes it drops) When doing tab-completion on filenames, my bash shell can freeze up if the VPN is slow or dropped when I am attempting the tab completion. Example: $ cp myfile.zip /mnt/winbox-c/Progr<tab> key pressed here Is there a bash key I can press to get bash out of its hung state when something like this happens?

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  • How to configure mod_proxy_balancer to gracefully fail under high load

    - by bramp
    We have a system which has one Apache instance in front of multiple tomcats. These tomcats then connect to various databases. We balance the load to the tomcat with mod_proxy_balancer. Currently we are receiving 100 requests a second, the load on the Apache server is quite low, but due to database heavy operations on the tomcats, the load there is roughly 25% (of what I estimate they can handle). In a few weeks there is an event happening and we estimate that our requests will jump significant, maybe by a factor of 10. I'm doing everything I can do reduce the load on our tomcats, but I know we are going to run out of capacity, so I would like to fail gracefully. By this I mean, instead of trying to deal with too many connections which all timeout, I would like Apache to somehow monitor average response time, and as soon as the response time to Tomcat is getting above some threshold, I would like a error page displayed. This means that users who are lucky still get a page rendered quickly, and those who are unlucky get a error page quickly. Instead of everyone waiting far too long for their page, and eventually everyone timing out, and the database being swamped with queries which are never used. Hopefully this makes sense, so I was looking for suggestions on how I could achieve this. thanks

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  • What useful things can one add to one's .bashrc ?

    - by gyaresu
    Is there anything that you can't live without and will make my life SO much easier? Here are some that I use ('diskspace' & 'folders' are particularly handy). # some more ls aliases alias ll='ls -alh' alias la='ls -A' alias l='ls -CFlh' alias woo='fortune' alias lsd="ls -alF | grep /$" # This is GOLD for finding out what is taking so much space on your drives! alias diskspace="du -S | sort -n -r |more" # Command line mplayer movie watching for the win. alias mp="mplayer -fs" # Show me the size (sorted) of only the folders in this directory alias folders="find . -maxdepth 1 -type d -print | xargs du -sk | sort -rn" # This will keep you sane when you're about to smash the keyboard again. alias frak="fortune" # This is where you put your hand rolled scripts (remember to chmod them) PATH="$HOME/bin:$PATH"

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  • FFMPEG: how to add watermark to video?

    - by DocWiki
    My Platform: Ubuntu 10.10 + FFMPEG 0.5.3(I installed ffmpeg from source) I try to add Watermark to a .MOV video with FFMPEG 0.5.3 imlib2.so (Please note FFMPEG 0.6+ dont support imlib2.so, so I use ffmpeg 0.5.3) Here is my code: ffmpeg -sameq -i example.mov -vhook '/usr/local/lib/vhook/imlib2.so -x 0 -y 0 -i /var/www/files/watermark.png' newexample.mov Here is the output: FFmpeg version 0.5.3, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --enable-avfilter --enable-filter=movie --enable-avfilter-lavf libavutil 49.15. 0 / 49.15. 0 libavcodec 52.20. 1 / 52.20. 1 libavformat 52.31. 0 / 52.31. 0 libavdevice 52. 1. 0 / 52. 1. 0 libavfilter 0. 4. 0 / 0. 4. 0 built on Jul 3 2011 12:05:08, gcc: 4.4.5 Seems stream 1 codec frame rate differs from container frame rate: 59.94 (5994/100) - 29.97 (30000/1001) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'example.mov': Duration: 00:03:14.06, start: 0.000000, bitrate: 3350 kb/s Stream #0.0(eng): Audio: aac, 48000 Hz, stereo, s16 Stream #0.1(eng): Video: h264, yuv420p, 1150x647, 29.97 tbr, 29.97 tbn, 59.94 tbc Output #0, mov, to 'newexample.mov': Stream #0.0(eng): Video: mpeg4, yuv420p, 1150x647, q=2-31, 200 kb/s, 90k tbn, 29.97 tbc Stream #0.1(eng): Audio: 0x0000, 48000 Hz, stereo, s16, 64 kb/s Stream mapping: Stream #0.1 - #0.0 Stream #0.0 - #0.1 Unsupported codec for output stream #0.1 What could be the possible problem? Is that AAC or H264 that is not supported? I installed libavcodec-extra-52, linfaac, libfaad and etc. but the error is the same. Do I have to install following this instruction? HOWTO: Install and use the latest FFmpeg and x264 or there is a simpler solution?

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  • How many users are "many users"?

    - by kemp
    I need to find a solution for a website which is struggling under load. The site gets ~500 simultaneous connections during peak time, and counts around 42k hits per day. It's a wordpress based site bridged with a vbulletin forum with a lot of contents and a fairly complex structure which makes intensive use of the database. I already implemented code level full page caching (without this the server just crashes), and configured all other caching directives as well as combining css files and the like to limit http requests as much as possible. I need to understand if there is more that can be done via software or if the load is just too much for the server to handle and it needs to be upgraded, because the server goes down occasionally during peak times. Can't access the server now, but it's a dedicated CentOS machine (I think 4GB ram, can't say what CPU) running apache/mysql. So back to the main question: how can I know when the users are just too many?

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  • How Do I Properly Run OfflineIMAP in a Crontab

    - by alharaka
    Installed Fedora. # cat /etc/redhat_release | awk ' { print F "> " $0; print ""; }' Fedora release 14 (Laughlin) Installed offlineimap from yum, cuz I'm lazy these days. # yum info offlineimap | awk ' { print F "> " $0; print ""; }' Loaded plugins: langpacks, presto, refresh-packagekit Adding en_US to language list Installed Packages Name : offlineimap Arch : noarch Version : 6.2.0 Release : 2.fc14 Size : 611 k Repo : installed From repo : fedora Summary : Powerful IMAP/Maildir synchronization and reader support URL : http://software.complete.org/offlineimap/ License : GPLv2+ Description : OfflineIMAP is a tool to simplify your e-mail reading. With : OfflineIMAP, you can read the same mailbox from multiple : computers. You get a current copy of your messages on each : computer, and changes you make one place will be visible on all : other systems. For instance, you can delete a message on your home : computer, and it will appear deleted on your work computer as : well. OfflineIMAP is also useful if you want to use a mail reader : that does not have IMAP support, has poor IMAP support, or does : not provide disconnected operation. And, lo and behold, every time I run offlineimap and try to redirect output in a crontab, it does not work. Below is my .offlineimaprc. [general] ui = TTY.TTYUI accounts = Personal, Work maxsyncaccounts = 3 [Account Personal] localrepository = Local.Personal remoterepository = Remote.Personal [Account Work] localrepository = Local.Work remoterepository = Remote.Work [Repository Local.Personal] type = Maildir localfolders = ~/mail/gmail [Repository Local.Work] type = Maildir localfolders = ~/mail/companymail [Repository Remote.Personal] type = IMAP remotehost = imap.gmail.com remoteuser = [email protected] remotepass = password ssl = yes maxconnections = 4 # Otherwise "deleting" a message will just remove any labels and # retain the message in the All Mail folder. realdelete = no [Repository Remote.Work] type = IMAP remotehost = server.company.tld remoteuser = username remotepass = password ssl = yes maxconnections = 4 I have tried TTY.TTYUI, NonInteractive.Quiet and NonInteractive.Basic with different variations. With or without redirection, the crontab entries I try cause problems. $ crontab -l | awk ' { print F "> " $0; print ""; }' */5 * * * * offlineimap >> ~/mail/logs/offlineimap.log 2>&1 */5 * * * * offlineimap I always get the same damn error ERROR: No UIs were found usable!. What am I doing wrong!?

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  • gitolite post commit hook to update redmine's repository

    - by eliocs
    Hello, I currently have a ubuntu server machine which has gitolite and redmine installed. Redmine accesses repository copies which are updated using a cron task. Having a cron task to pull the updates seems like an overkill is there anyway a gitolite post-commit script could execute a pull as the redmine user. My current update script looks like this: */15 * * * * redmine cd /home/redmine/repositories/support && git pull The post-commit script I guess should be similar, how can I give the gitolite user the privileges to execute the pull as the redmine user? Thanks in advance. p.s: don't have enough reputation to create de gitolite tag.

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  • Users database empty after Samba3 to Samba4 migration on different servers

    - by ouzmoutous
    I have to migrate a Samba 3 to a new Samba 4 server. My problem is that the database on the samba 3 server seems a bit empty. The secrets.dtb file is only 20K whereas the “pbedit -L |wc -l”command give me 16970 lines. On my Samba3 /var/lib/samba is 1,5M After I had migrate the databse (following instructions on http://dev.tranquil.it/index.php/SAMBA_-_Migration_Samba3_Samba4), “pdbedit -L” command on the new server give me only : SAMBA4$, Administrator, dns-samba4, krbtgt and nobody. So I tried to create a VM with a Samba3. I added some users, done the same things I did for the migration and now I can see the users created on the VM. It’s like users on the Samba 3 server are in a sort of cache. I already migrate the /etc/{passwd,shadow,group} files and I can see users with the “getent passwd” command. Any ideas why my users are present when I use pdbedit but the database is so empty ? The global part of my smb.conf on the Samba 3 server : [global] workgroup = INTERNET netbios name = PDC-SMB3 server string = %h server interfaces = eth0 obey pam restrictions = Yes passdb backend = smbpasswd passwd program = /usr/bin/passwd %u passwd chat = *new* %n\n *Re* %n\n *pa* username map = /etc/samba/smbusers unix password sync = Yes syslog = 0 log file = /var/log/samba/log.%U max log size = 1000 socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 add user script = /usr/sbin/useradd -s /bin/false -m '%u' -g users delete user script = /usr/sbin/userdel -r '%u' add group script = /usr/sbin/groupadd '%g' delete group script = /usr/sbin/groupdel '%g' add user to group script = /usr/sbin/usermod -G '%g' '%u' add machine script = /usr/sbin/useradd -s /bin/false -d /dev/null '%u' -g machines logon script = logon.cmd logon home = \\$L\%U domain logons = Yes os level = 255 preferred master = Yes local master = Yes domain master = Yes dns proxy = No ldap ssl = no panic action = /usr/share/samba/panic-action %d invalid users = root admin users = admin, root, administrateur log level = 2

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  • How can I make the XAnalogTV xscreensaver fill my screen?

    - by Breakthrough
    I recently installed xscreensaver, as well as the additional/extra screensavers. Many of the OpenGL ones function correctly, going fullscreen as expected. However, for some reason, the XAnalogTV screensaver leaves two "blank" spots on the edges of my screen. If I manually launch XAnalogTV, it displays a window, which it fills correctly. When I maximize the window, the same effect occurs: the window maximizes, but the two edges of the screen are literally "transparent". This effect also occurs when the screensaver is set to fullscreen. For these reasons, I believe the problem may be related to the aspect ratio of the screen. The edges of the screen are literally "ignored", with nothing being drawn there. Specifically, note the transition between the maximized and full-screen screenshots (with the un-drawn whitespace shrinking as the vertical height has been increased). For reference, I am running Xubuntu 12.04 on a Dell Vostro 1520 (Intel P8600, Nvidia 9300M) with a 1440 x 900 display (16:10). I have also set the GetViewPortIsFullOfLies preference to true. Is there any way to force XAnalogTV to fill my entire screen? Alternatively, as I believe the problem is aspect-ratio related, is there any way I can get the screensaver to render larger than my display, and simply discard the extra pixels? Relevant screenshots (windowed, maximized, and full-screen, respectively): You can see in the last two that the scrollbar from Firefox is clearly visible, even though this is a full-screen screensaver.

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  • Postfix + procmail - delivery fails because "can't create user output file" - on CentOS 6.2

    - by jshin47
    I verified that my postfix installation / relaying setup worked. Now I am having trouble with procmail. I have it wired to postfix with the following command: mailbox_command = /usr/bin/procmail -f -a "$USER" I have nothing in my procmail config but the following: LOGFILE=/var/procmailrc/log And I send an email to a recipient that previously worked (before I attached procmail). Now it fails with error: Apr 6 14:07:05 localhost postfix/qmgr[15194]: D0C3DFF6E1: from=<[email protected]>, size=938, nrcpt=1 (queue active) Apr 6 14:07:05 localhost postfix/local[1953]: D0C3DFF6E1: to=<[email protected]>, orig_to=<postmaster>, relay=local, delay=0.05, delays=0.02/0.01/0/0.02, dsn=5.2.0, status=bounced (can't create user output file. Command output: procmail: Couldn't create "/var/spool/mail/nobody" procmail: Couldn't read "//root" ) Apr 6 14:07:05 localhost postfix/bounce[1955]: warning: D0C3DFF6E1: undeliverable postmaster notification discarded Apr 6 14:07:05 localhost postfix/qmgr[15194]: D0C3DFF6E1: removed It seems like there is some sort of permissions issue but I do not know what the problem is, nor do I understand how I would go about diagnosing it further. The logfile that I specified is empty, by the way. How can I make procmail+postfix work?

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  • Which mail clients can give reminders about unresponded emails?

    - by ulidtko
    In my daily e-mail often happens the following scenario: I send somebody an email which describes some problem and requests an action from the recipient. Typically, I wish to ensure that this action was taken, or at least somehow resolved; when this happens, the email recipient should notify me with a response email about what was done, and what was not and why. But, sometimes emails don't get read by the recipient, or he forgets to reply to me. At the same time, I cannot constantly keep in memory the list of all emails for which I was waiting an answer and still didn't receive it. So I wonder, is there in any email client such a feature which would allow me to somehow mark specific outgoing emails as "demanding reply"? The mail client could in this case notify me if any "demanding reply" emails still aren't replied for a long time.

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  • Alternative to Windows Home Server (WHS) backups

    - by Adam Tegen
    Since Microsoft announced the end of life for WHS, are there any alternatives? Specifically, I am interested in recovering from a catastrophic disk failure with WHS. For example, this is my ideal scenario when a desktop hard-drive fails (has a bad virus, etc): Install a disk of the same size or greater Boot the desktop with the Recovery Disc Point the recovery application at the WHS Pick the machine, the drive(s) and the date of the backup Have a couple beers Reboot to a working machine as if nothing happened. I would need to slap multiple disks in the machine without raid. It sounds like LVM will work here. It would be nice, but not required to have de-duplication of files when multiple machines are backed up. (Single Instance Storage)

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  • Building a Social Networking website, should I have separate servers for certain parts of the site? [closed]

    - by Dylan Cross
    I have been working on building a social networking website, I'm pretty committed to this and I think I have something that could work out. I hope to be launching it January 1st, and so I have a question for server setup and such. Facebook has separate domain names/servers for their photos (and I don't know what else), so I would assume that by doing this it would help spread the server loads out. So I am wondering if it would make a very big difference in speed if I had my main server for basically everything, but had another server and such that the photos would be stored on and access them the same way that facebook does.

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  • Samba PDC share slow with LDAP backend

    - by hmart
    The scenario I have a SUSE SLES 11.1 SP1 machine as Samba master PDC with LDAP backend. In one share there are Database files for a Client-Server application. I log XP and Windows 7 machines to the local domain (example.local), the login is a little slow but works. In the client computers have an executable which opens, reads and writes the database files from the server share. The Problem When running Samba with LDAP password backend the client application runs VERY SLOW with a maximum transfer rate of 2500 MBit per second. If disable LDAP the client app speed increases 20x, with transfer rate of 50Mbit/sec and running smoothly. I'm doing test with just two users and two machines, so concurrency, or LDAP size shouldn't be the problem here. The suspect LDAP, Smb.conf [global] section configuration. The Question What can I do? I've googled a lot, but still have no answer. Slow smb.conf WITH LDAP [global] workgroup = zmartsoft.local passdb backend = ldapsam:ldap://127.0.0.1 printing = cups printcap name = cups printcap cache time = 750 cups options = raw map to guest = Bad User logon path = \\%L\profiles\.msprofile logon home = \\%L\%U\.9xprofile logon drive = P: usershare allow guests = Yes add machine script = /usr/sbin/useradd -c Machine -d /var/lib/nobody -s /bin/false %m$ domain logons = Yes domain master = Yes local master = Yes netbios name = server os level = 65 preferred master = Yes security = user wins support = Yes idmap backend = ldap:ldap://127.0.0.1 ldap admin dn = cn=Administrator,dc=zmartsoft,dc=local ldap group suffix = ou=Groups ldap idmap suffix = ou=Idmap ldap machine suffix = ou=Machines ldap passwd sync = Yes ldap ssl = Off ldap suffix = dc=zmartsoft,dc=local ldap user suffix = ou=Users

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  • Postfix tutorial inconsistency

    - by Desmond Hume
    I'm following this tutorial to setup a Postfix/Dovecot mail server with Postfix Admin as a web front end. As regards directory structure for virtual mail users, the author of the tutorial writes: Virtual mail users are those that do not exist as Unix system users. They thus don't use the standard Unix methods of authentication or mail delivery and don't have home directories. That is how we are managing things here: mail users are defined in the database created by Postfix Admin rather than existing as system users. Mail will be kept in subfolders per domain and account under /var/vmail - e.g. [email protected] will have a mail directory of /var/vmail/example.com/me. But when he gives instructions about configuring Postfix Admin, he suggests this to be contained by Postfix Admin's config.inc.php: // Mailboxes // If you want to store the mailboxes per domain set this to 'YES'. // Examples: // YES: /usr/local/virtual/domain.tld/[email protected] // NO: /usr/local/virtual/[email protected] $CONF['domain_path'] = 'NO'; Is there an inconsistency?

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  • Multithread http downloader with webui [closed]

    - by kiler129
    I looking for software similar to JDownloader or PyLoad. JD is pretty good but use heavy Java and for now have very weak web interface. PyLoad is awesome, include simple but powerful web-UI but downloading 10 files (10 threads each, so summary it's 100 connections running at around 8MB/s all) consume a lot of cpu - it's whole core for me. Do you know any lightweight alternatives? Aria2c is good for console but I failed to find any good webui, official one is good but after adding more files almost crashes Chrome :)

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