My linux experience

Some linux tips just not to forget.

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screen_9f1481d6e69cb5f42a33e41631214653My Klipper clipboard manager refused to open on keyboard shortcut (I use Ctrl+`) in LXQT. The problem was, that my LXQT local is in Ukrainian, but shortcut is set in English.

The strange behavior was also because in global shortcut manager, when setting a keyboard shortcut was not possibel. The old ones were working.

After several hour of googling and experiments I have found out the global shortcuts must be selected when my LXQT local and current keyboard input language are the same.

So since my local is Ukrainian, I had to switch to Ukrainian input language and then assign shortcuts.

The shortcuts fire needed actions work with any active input language.

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b_300_0_16777215_00_http___static.xscreenshot.com_2017_06_05_17_screen_a4ded3298fe6c189cfc4b5e115ee761.jpeg
Effective UID is not root (euid=1000 egid=100 uid=1000 gid=100) (rc=-10)
Please try reinstalling VirtualBox.
where: SUPR3HardenedMain what: 2 VERR_PERMISSION_DENIED (-10) - Permission denied.

After each OpenSuse update (I have Leap 42.2 by now) I get the same error with VirtualBox.

Just a note for mysefl to fix it

sudo chmod 4711 /usr/lib/virtualbox/VirtualBox

I'm really tired to do it manually myself, but see no other way out by now.

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Hyptiotes cavatus nonvenomous Clear Creek Hocking Co. OH December 12 2015Native slack .rpm package refuses to install at OpenSuSE. It requers appindicator, which in fact is installed. Slack doesn't see it, so installation fails.

The workaround is to extract the slack rpm file somewhere and to run it for your user only, not system-wide.

So, download slack rpm somewhere. I used my local temp directory, which has nothing with any system /tmp. Just a folder where I place some temporary file.

In my case it was /home/user/Desktop/temp/slack-2.6.2-0.1.fc21.x86_64.rpm

I went to /home/user/Desktop/temp/ and run command rpm2cpio < ./slack-2.6.2-0.1.fc21.x86_64.rpm | cpio -idmv

This created a usr folder with all needed slack files. Next I went to /home/user/Desktop/temp/usr/bin and just run slack executable from it.

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SSL spiderI tried to install SSL at my local apache under OpenSuse. Manuals say to run /usr/bin/gensslcert

I got a long output with some errors the fist of which was

creating CA request/certificate ...
problems making Certificate Request
140601438258832:error:0D07A098:asn1 encoding routines:ASN1_mbstring_ncopy:string too short:a_mbstr.c:147:minsize=1
something ugly seems to have happened in line 119...

As it turned out it needed a hostname to be specified and on some reason my configuration somewhere didn't have it specified. So to elimitane the error I had to use -n key and domain name. Since it's for local usage, I just used gruz

/usr/bin/gensslcert -n gruz

 

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OpenSuseAfter OpenSuse update I sometimes cannot load X window. It stalls at some point.

The problem in my case is that Yast installs some kernels from Factory and/or Tumbleweed. So loading with the latest kernel is impossible as the NVidia drivers are incompatible with the latest non-official kernel.

Solution:

Login in Recover mode, go to yast and remove unneded kernels.

Or, as an option, select to boot with the proper kernel version, not with the latest one.

Or lock the kernel version in the Yast install software.

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Look into my eyesI like Kopete, especially because of global short keys working in KDE, but the autoreconnect bug for ICQ have been making me upset for a long time.

Finally I found a way to avoid the bug. I added my ICQ account as a Jabber transport. Here are docs: http://userbase.kde.org/Kopete/Jabber_Transport

Now I'm happy!

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Robot spider for disastersAfter upgrading my OpenSuse to 12.3 I could not start mysql.

# systemctl start mysql.service
Job for mysql.service failed. See 'systemctl status mysql.service' and 'journalctl -n' for details.

journalctl -n gave me among others:

Mar 17 05:55:09 gruz systemd[1]: mysql.service: control process exited, code=exited status=1
Mar 17 05:55:09 gruz systemd[1]: Failed to start LSB: Start the MySQL database server.
Mar 17 05:55:09 gruz systemd[1]: Unit mysql.service entered failed state

Running # mysql_secure_installation asked passwrod but didn't accept any:

Enter current password for root (enter for none): 
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysql/mysql.sock' (2)

Solution:

I had two problems - mysql database folder and files owner and an empty file .run-mysql_upgrade.

So here is how I solved it:

chown -R mysql:mysql /var/lib/mysql; rm /var/lib/.run-mysql_upgrade

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Since the time of writing of this article unison has added a native changes check without inotify. Thought I still use the method explained in the article, you may give a try. Check stackoverflow

spider.24990811 stdGiven

Linux remote server and Linux (OpenSuse) local machine. SSH access to the remote server with sudo (optional) permissions.

Task

I develop a web-site deployed at a remote server. I have a to-do list and as a rule I backup the web-site, place it at my local comp, work, and place it back to the production server when finished. But what if the client wants to work at the web-site at the same time? E.g. to work with the conent? Using FTP at my side is not an option as it takes not only time, but doesn't allow e.g. to search text in many files using e.g. Krusader. Besides, I cannot use my favourite Geany editor when using KDE built-in FTP or SFTP (fish) protocols. I mean I cannot edit a file from Krusader FTP/SFTP connection in Geany, only in KWrite.

So I want to work at the remote web-site as if I work at the local one. As if the remote web-site folder is mounted like a normal hard disk. But all the ftp/ssh mounts I managed to find were slow, incredible slow.

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Spider squirrel

While trying to install phing I've been geting such a result:

# pear install phing/phing
Unknown remote channel: pear.phpunit.de
WARNING: "pear/PEAR_PackageFileManager" is deprecated in favor of "pear/PEAR_PackageFileManager2"
Unknown remote channel: pear.pdepend.org
Unknown remote channel: pear.phpmd.org
Unknown remote channel: pear.phpunit.de
Unknown remote channel: pear.docblox-project.org
Did not download optional dependencies: channel://pear.phpunit.de/PHPUnit, pecl/Xdebug, pear/PEAR_PackageFileManager, channel://pear.pdepend.org/PHP_Depend, channel://pear.phpmd.org/PHP_PMD, channel://pear.phpunit.de/phpcpd, channel://pear.docblox-project.org/DocBlox, use --alldeps to download automatically
phing/phing requires package "phing/phingdocs" (version >= 2.4.8snapshot20111006230626), installed version is 2.4.6snapshot20110704081620
phing/phing can optionally use package "channel://pear.phpunit.de/PHPUnit" (version >= 3.4.0)
phing/phing can optionally use package "pecl/Xdebug" (version >= 2.0.5)
phing/phing can optionally use package "pear/PEAR_PackageFileManager" (version >= 1.5.2)
phing/phing can optionally use package "channel://pear.pdepend.org/PHP_Depend" (version >= 0.10.0)
phing/phing can optionally use package "channel://pear.phpmd.org/PHP_PMD" (version >= 1.1.0)
phing/phing can optionally use package "channel://pear.phpunit.de/phpcpd" (version >= 1.3.2)
phing/phing can optionally use package "channel://pear.docblox-project.org/DocBlox" (version >= 0.14.0)
No valid packages found
install failed

FaLang translation system by Faboba
Електронна бібліотека «Exlibris»: історичні дослідження, мемуаристика, публіцистика, художня література Українська етнографія: книги, курси лекцій, статті й матеріали, мапи, фотоальбоми, веб-ресурси Правителі України: портрети, життєписи, матеріали Твори Адріана Кащенка: романтика козацьких часів Народна війна 1917-1932

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Comments

  • NotificationAry - get emails on Joomla content is submitted, added or changed

    gruz gruz 07.10.2017 03:21
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