Auto backup all your MySQL databases daily, weekly and monthly. To install on Debian/Ubuntu, run
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apt install automysqlbackup -y |
To manually backup, run
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automysqlbackup |
MySQL backups will be stored in folder
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/var/lib/automysqlbackup/ |
See backup […]
When installing software on Ubuntu, i get following error.
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It is likely that 4.5.2-armada375 belongs to a chroot's host Building only for 4.9.58-armada375 Building initial module for 4.9.58-armada375 Error! Bad return status for module build on kernel: 4.9.58-armada375 (armv7l) Consult /var/lib/dkms/spl/0.6.5.6/build/make.log for more information. dpkg: error processing package spl-dkms (--configure): subprocess installed post-installation script returned error exit status 10 Setting up dh-python (2.20151103ubuntu1) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... Errors were encountered while processing: spl-dkms E: Sub-process /usr/bin/dpkg returned an error code (1) |
To fix this, run
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rm /var/lib/dpkg/info/PACKAGE_NAME_HERE.* dpkg --configure -a apt update |
Replace PACKAGE_NAME_HERE with actual package that fail. In this cause spl-dkms.
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root@ns539260:/var/lib/dpkg/info# ls -l | grep spl -rw-r--r-- 1 root root 11811 Nov 22 07:41 spl-dkms.list -rw-r--r-- 1 root root 19548 Apr 7 2016 spl-dkms.md5sums -rwxr-xr-x 1 root root 891 Apr 7 2016 spl-dkms.postinst -rwxr-xr-x 1 root root 312 Apr 7 2016 spl-dkms.prerm root@ns539260:/var/lib/dpkg/info# rm spl-dkms.* |
See apt […]
Set default editor in Ubuntu To change vi editor run
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root@backup:~# update-alternatives --config vi There are 2 choices for the alternative vi (providing /usr/bin/vi). Selection Path Priority Status ------------------------------------------------------------ * 0 /usr/bin/vim.basic 30 auto mode 1 /usr/bin/vim.basic 30 manual mode 2 /usr/bin/vim.tiny 10 manual mode Press <enter> to keep the current choice[*], or type selection number: root@backup:~# |
To display current vi config, run
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root@backup:~# update-alternatives --display vi vi - auto mode link best version is /usr/bin/vim.basic link currently points to /usr/bin/vim.basic link vi is /usr/bin/vi slave vi.1.gz is /usr/share/man/man1/vi.1.gz slave vi.fr.1.gz is /usr/share/man/fr/man1/vi.1.gz slave vi.it.1.gz is /usr/share/man/it/man1/vi.1.gz slave vi.ja.1.gz is /usr/share/man/ja/man1/vi.1.gz slave vi.pl.1.gz is /usr/share/man/pl/man1/vi.1.gz slave vi.ru.1.gz is /usr/share/man/ru/man1/vi.1.gz /usr/bin/vim.basic - priority 30 slave vi.1.gz: /usr/share/man/man1/vim.1.gz slave vi.fr.1.gz: /usr/share/man/fr/man1/vim.1.gz slave vi.it.1.gz: /usr/share/man/it/man1/vim.1.gz slave vi.ja.1.gz: /usr/share/man/ja/man1/vim.1.gz slave vi.pl.1.gz: /usr/share/man/pl/man1/vim.1.gz slave vi.ru.1.gz: /usr/share/man/ru/man1/vim.1.gz /usr/bin/vim.tiny - priority 10 slave vi.1.gz: /usr/share/man/man1/vim.1.gz slave vi.fr.1.gz: /usr/share/man/fr/man1/vim.1.gz slave vi.it.1.gz: /usr/share/man/it/man1/vim.1.gz slave vi.ja.1.gz: /usr/share/man/ja/man1/vim.1.gz slave vi.pl.1.gz: /usr/share/man/pl/man1/vim.1.gz slave vi.ru.1.gz: /usr/share/man/ru/man1/vim.1.gz root@backup:~# |
[…]
After adding facebook hhvm repository on Ubuntu 16.04, i get following error when running “apt update” command.
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root@backup:~# apt-get update Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB] Hit:2 http://us.archive.ubuntu.com/ubuntu xenial InRelease Get:3 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB] Hit:4 http://ftp.osuosl.org/pub/mariadb/repo/10.1/ubuntu xenial InRelease Ign:5 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 InRelease Get:6 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB] Hit:7 http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease Hit:8 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 Release Ign:10 https://pkg.jenkins.io/debian-stable binary/ InRelease Hit:11 https://download.docker.com/linux/ubuntu xenial InRelease Hit:12 https://pkg.jenkins.io/debian-stable binary/ Release Get:13 https://dl.hhvm.com/ubuntu xenial InRelease [2,411 B] Get:15 https://dl.hhvm.com/ubuntu xenial/main amd64 Packages [2,244 B] Fetched 311 kB in 1s (283 kB/s) Reading package lists... Done N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'https://dl.hhvm.com/ubuntu xenial InRelease' doesn't support architecture 'i386' root@backup:~# |
This is fixed by editing
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vi /etc/apt/sources.list |
Find
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deb https://dl.hhvm.com/ubuntu xenial main |
Replace with
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deb [arch=amd64] https://dl.hhvm.com/ubuntu xenial main |
[…]
add-apt-repository command can be used to add repository in ubuntu. To install, run
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apt-get install software-properties-common python-software-properties |
Example
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apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xB4112585D386EB94 add-apt-repository https://dl.hhvm.com/ubuntu |
[…]
List all Dependency for a package.
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apt depends PKG_NAME |
Using apt-get to manage software Uninstalling Software in Debian Server apt policy apt show apt-cache Ubuntu find Dependencies for a package Reinstall a package using apt Ubuntu show package information apt force IPv4 Blocking Package Upgrade on Debian/Ubuntu Download a package using apt on Debian/Ubuntu Auto upgrade software […]
By default, device work in Mass Storage mode
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root@fwhlin:~ # lsusb | grep Huawei Bus 009 Device 007: ID 12d1:1f01 Huawei Technologies Co., Ltd. E353/E3131 (Mass storage mode) root@fwhlin:~ # |
Create file
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vi /etc/usb_modeswitch.d/12d1:1f01 |
With following content
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root@fwhlin:~ # cat /etc/usb_modeswitch.d/12d1:1f01 # Huawei E3531s-2 - switch to modem mode instead of HiLink CDC-Ether mode TargetVendor=0x12d1 TargetProduct=0x1f01 # switch to 12d1:1001 (modem mode, 3 virtual serial ports) #MessageContent="55534243123456780000000000000011062000000100000000000000000000" # switch to 12d1:14dc (default HiLink CDC-Ether mode) MessageContent="55534243123456780000000000000a11062000000000000100000000000000" # switch to 12d1:1442 (debug mode with 2 virtual serial ports) # MessageContent="55534243000000000000000000000011060000000000000000000000000000" root@fwhlin:~ # |
To switch to Modem Mode, run
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usb_modeswitch -I -W -c /etc/usb_modeswitch.d/12d1\:1f01 |
If it worked, device will change to modem mode
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root@fwhlin:~ # lsusb | grep Hu Bus 009 Device 003: ID 12d1:14dc Huawei Technologies Co., Ltd. root@fwhlin:~ # |
Notice it changed name, also device ID changed to 14dc. ifconfig will list a new network interface usb0
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usb0 Link encap:Ethernet HWaddr 9a:82:a1:91:20:32 inet6 addr: fe80::9882:a1ff:fe91:2032/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:236 errors:0 dropped:0 overruns:0 frame:0 TX packets:98 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:111083 (111.0 KB) TX bytes:15412 (15.4 KB) |
[…]
After connecting, i get following in lsusb
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root@fwhlin:~ # lsusb | grep 12d1 Bus 009 Device 004: ID 12d1:1f01 Huawei Technologies Co., Ltd. E353/E3131 (Mass storage mode) root@fwhlin:~ # |
It says “Mass storage mode”. If you check demesg, you will see
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[ 2385.775523] usb 9-2: New USB device found, idVendor=12d1, idProduct=1f01 [ 2385.775527] usb 9-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2385.775529] usb 9-2: Product: HUAWEI Mobile [ 2385.775531] usb 9-2: Manufacturer: HUAWEI [ 2385.775532] usb 9-2: SerialNumber: FFFFFFFFFFFFFFFF [ 2385.837882] usb-storage 9-2:1.0: USB Mass Storage device detected [ 2385.838108] scsi15 : usb-storage 9-2:1.0 [ 2386.858462] scsi 15:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 [ 2386.859826] sr1: scsi-1 drive [ 2386.859946] sr 15:0:0:0: Attached scsi CD-ROM sr1 |
Last line says, device mounted as “/dev/sr1”
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root@fwhlin:~ # df -h | grep sr /dev/sr1 4.3M 4.3M 0 100% /media/boby/MobileWiFi root@fwhlin:~ # |
Changing Device Mode to Modem I found some information about the device in file
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sudo -s cd /usr/share/usb_modeswitch tar zxvf configPack.tar.gz |
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root@fwhlin:~ # cat /usr/share/usb_modeswitch/12d1:1f01 # Huawei E353 (3.se) and others TargetVendor=0x12d1 TargetProductList="14db,14dc" MessageContent="55534243123456780000000000000011062000000101000100000000000000" NoDriverLoading=1 root@fwhlin:~ # |
It says device can operate as products “14db” and “14dc”. […]
Install vino
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sudo apt-get install vino |
Configure Vino Configure vino, run
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vino-preferences |
Start vino on boot XFCE settings > Session and Startup > Add
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Name: vino Description: vino desktop sharing Command: /usr/lib/vino/vino-server |
Now restart the computer. See Ubuntu […]