In VestaCP, each packages have option to specify how many backups it can take. First you need to click on packages, then change number of backups allowed for each package. If backups allowed is more than 0, set it to 0. Users are created with these Packages. For all existing users, you need to manually […]
If your server support both IPv4 and IPv6 and you need to force download a file using IPv4, you can use
|
1 |
wget -4 URL_HERE |
To force IPv6 connection, use
|
1 |
wget -6 URL_HERE |
Example
|
1 2 3 4 5 6 7 8 9 10 11 12 13 |
[root@li2136-233 ~]# wget -4 https://rpms.remirepo.net/enterprise/remi-release-7.rpm --2020-09-22 04:45:30-- https://rpms.remirepo.net/enterprise/remi-release-7.rpm Resolving rpms.remirepo.net (rpms.remirepo.net)... 195.154.241.117 Connecting to rpms.remirepo.net (rpms.remirepo.net)|195.154.241.117|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 20732 (20K) [application/x-rpm] Saving to: ‘remi-release-7.rpm’ 100%[==================================================================================================================================================================>] 20,732 74.2KB/s in 0.3s 2020-09-22 04:45:32 (74.2 KB/s) - ‘remi-release-7.rpm’ saved [20732/20732] [root@li2136-233 ~]# |
from wget help, here are the options See wget […]
To update interwrox license, run
|
1 |
/usr/local/interworx/cron/license.pex --sync |
Configuration file for interwrox at
|
1 |
/usr/local/interworx/iworx.ini |
[…]
lscpu command shows CPU on your server. […]
dmesg command on linux shows boot message.
|
1 |
dmesg |
To see with human readable time, use
|
1 |
dmesg -T |
[…]
I wanted to find some files inside sub directory of current folder. To do this, find have maxdepth option.
|
1 |
find ./ -maxdepth 2 -name '*.gz' |
This command will limit search depth to current directory and all first level sub folders. See find […]
Method 1
|
1 |
vi /etc/bashrc |
Find
|
1 2 |
export EDITOR="pico" export VISUAL="pico" |
Replace with
|
1 2 |
export EDITOR="vi" export VISUAL="vi" |
Method 2 edit .bash_profile
|
1 |
vi /root/.bash_profile |
Add
|
1 |
export VISUAL=vi |
Once added, .bash_profile will look like
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 |
root@server54 [~]# cat .bash_profile # .bash_profile # Get the aliases and functions if [ -f ~/.bashrc ]; then . ~/.bashrc fi # User specific environment and startup programs PATH=$PATH:$HOME/bin export VISUAL=vi export PATH unset USERNAME uptime root@server54 [~]# |
Method 3 If you need it done one time only, run following commands on command prompt.
|
1 |
VISUAL=vi; export VISUAL |
[…]
xdotool lets you programmatically simulate keyboard input and mouse activity, move and resize windows, etc. To search for an application with title name, run
|
1 |
xdotool search --name TEXT_TO_SERCH_HERE |
This will return ID of the windows. You can use xwininfo command to view information about the application window. Example
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
boby@hon-pc-01:~ $ xdotool search --name RuneScape 77594631 boby@hon-pc-01:~ $ xwininfo -id 77594631 xwininfo: Window id: 0x4a00007 "RuneScape" Absolute upper-left X: 65 Absolute upper-left Y: 24 Relative upper-left X: 0 Relative upper-left Y: 0 Width: 1855 Height: 1056 Depth: 24 Visual: 0x21 Visual Class: TrueColor Border width: 0 Class: InputOutput Colormap: 0x20 (installed) Bit Gravity State: NorthWestGravity Window Gravity State: NorthWestGravity Backing Store State: NotUseful Save Under State: no Map State: IsViewable Override Redirect State: no Corners: +65+24 -0+24 -0-0 +65-0 -geometry 1855x1056-0-0 boby@hon-pc-01:~ $ |
[…]
brctl show
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 |
[root@server70 etc]# brctl show bridge name bridge id STP enabled interfaces br0 8000.002590d08d66 no eth0 vnet0 virbr0 8000.525400f12faf yes virbr0-nic [root@server70 etc]# ifconfig br0 Link encap:Ethernet HWaddr 00:25:90:D0:8D:66 inet addr:192.99.18.195 Bcast:192.99.18.255 Mask:255.255.255.0 inet6 addr: fe80::225:90ff:fed0:8d66/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:8108397 errors:0 dropped:0 overruns:0 frame:0 TX packets:7823258 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1951542690 (1.8 GiB) TX bytes:15136345174 (14.0 GiB) br0:1 Link encap:Ethernet HWaddr 00:25:90:D0:8D:66 inet addr:198.27.105.228 Bcast:198.27.105.228 Mask:255.255.255.255 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 eth0 Link encap:Ethernet HWaddr 00:25:90:D0:8D:66 inet6 addr: fe80::225:90ff:fed0:8d66/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:69612987 errors:6 dropped:0 overruns:0 frame:6 TX packets:114006505 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:7042298846 (6.5 GiB) TX bytes:151793078797 (141.3 GiB) Interrupt:48 Memory:fe9e0000-fea00000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:407995 errors:0 dropped:0 overruns:0 frame:0 TX packets:407995 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1284505268 (1.1 GiB) TX bytes:1284505268 (1.1 GiB) virbr0 Link encap:Ethernet HWaddr 52:54:00:F1:2F:AF inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) vnet0 Link encap:Ethernet HWaddr FE:54:00:F6:41:4B inet6 addr: fe80::fc54:ff:fef6:414b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:44 errors:0 dropped:0 overruns:0 frame:0 TX packets:24993 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:3499 (3.4 KiB) TX bytes:2333834 (2.2 MiB) [root@server70 etc]# |
brctl showmacs br0
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
[root@server70 etc]# brctl showmacs br0 port no mac addr is local? ageing timer 1 00:05:73:a0:00:00 no 11.10 1 00:07:b4:00:00:02 no 2.72 1 00:07:b4:00:01:01 no 4.73 1 00:07:b4:00:01:02 no 6.65 1 00:25:90:7b:a3:8e no 31.80 1 00:25:90:7c:72:34 no 53.08 1 00:25:90:d0:8d:66 yes 0.00 1 00:2a:6a:3d:50:81 no 119.90 1 00:2a:6a:3d:df:bc no 2.33 1 c8:f9:f9:58:3f:c0 no 0.00 1 d8:24:bd:91:c7:00 no 0.00 2 fe:54:00:f6:41:4b yes 0.00 [root@server70 etc]# |
brctl showstp br0
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 |
[root@server70 etc]# brctl showstp br0 br0 bridge id 8000.002590d08d66 designated root 8000.002590d08d66 root port 0 path cost 0 max age 19.99 bridge max age 19.99 hello time 1.99 bridge hello time 1.99 forward delay 14.99 bridge forward delay 14.99 ageing time 299.95 hello timer 0.42 tcn timer 0.00 topology change timer 0.00 gc timer 8.42 hash elasticity 4 hash max 512 mc last member count 2 mc init query count 2 mc router 1 mc snooping 1 mc last member timer 0.99 mc membership timer 259.96 mc querier timer 254.96 mc query interval 124.98 mc response interval 9.99 mc init query interval 31.24 flags eth0 (0) port id 0000 state forwarding designated root 8000.002590d08d66 path cost 4 designated bridge 8000.002590d08d66 message age timer 0.00 designated port 8001 forward delay timer 0.00 designated cost 0 hold timer 0.00 mc router 1 flags vnet0 (0) port id 0000 state forwarding designated root 8000.002590d08d66 path cost 100 designated bridge 8000.002590d08d66 message age timer 0.00 designated port 8002 forward delay timer 0.00 designated cost 0 hold timer 0.00 mc router 1 flags [root@server70 etc]# |
[…]
CSF firewall can block all traffic from a country or list of counrty using GeoIP database. To block a country, edit file
|
1 |
/etc/csf/csf.conf |
Find
|
1 |
CC_DENY="" |
Replace with
|
1 |
CC_DENY="2_LETTER_COUNTRY_CODE" |
Here is an example to block all traffic from China
|
1 |
CC_DENY="CN" |
If you want to block another counrt, you can add it like
|
1 |
CC_DENY="CN,RU" |
Now restart csf […]